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1. The Development of DNA Markers to Resolve Uncertainties of Seabird Bycatch Identification From Longline Fisheries in Australian Waters.

Author

Polanowski, Andrea M., MacDonald, Anna J., Double, Mike C., Barrington, Jonathon H. S., Burg, Theresa M., Wienecke, Barbara, and McInnes, Julie C.

Subjects
BYCATCHES, CYTOCHROME b, LONGLINE fishing, ELECTRONIC surveillance, GENETIC markers
Abstract

Incidental mortality in fisheries is a major driver of population declines for albatrosses and petrels globally. However, accurate identification of species can be difficult due to the poor condition of bycaught birds and/or visual similarities between closely related species. We assessed three genetic markers for their ability to distinguish the 36 albatross and petrel species listed in Annex 1 to the Agreement on the Conservation of Albatrosses and Petrels (ACAP) and in Australia's Threat Abatement Plan (TAP) for the bycatch of seabirds during oceanic longline fishing operations. We generated 275 new sequences, from 29 species, to improve the coverage of reference databases for these listed species. The combined use of the selected Cytochrome b and Control Region markers enabled the identification of 31 of 36 listed seabirds to species level and four to sister species. One petrel species could not be evaluated as no reference sequences were available. We tested these markers on 59 feathers from bycaught seabirds and compared these to onboard visual identification. We successfully assigned all procellariiforms to species (n = 58), whereas only two seabirds were correctly identified to species visually onboard, highlighting the difficulty of visual species assignment and the need for alternative methods. We assessed the utility of our two chosen markers for the assignment of all procellariiform species, with 74% of species with reference sequences identified to species or sister species level. However, a precautionary approach is needed for application beyond our listed species due to unvalidated reference sequences. The approach described here provides a streamlined framework for the molecular identification of seabird bycatch. This approach is recommended for use in fisheries within and outside Australian waters to improve the resolution of bycatch reporting and to corroborate logbook entries, observer reports and audits of images captured by electronic monitoring systems as well as help inform conservation efforts. [ABSTRACT FROM AUTHOR]

Published
2024
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3. Traversing the land‐sea interface: A climate change risk assessment of terrestrially breeding marine predators.

Author

Sojitra, Milan, Corney, Stuart, Hemer, Mark, Hamilton, Sheryl, McInnes, Julie, Thalmann, Sam, and Lea, Mary‐Anne

Subjects
CLIMATE change adaptation, RISK assessment of climate change, PREDATORY aquatic animals, COLONIES (Biology), EXTREME weather
Abstract

Terrestrially breeding marine predators have experienced shifts in species distribution, prey availability, breeding phenology, and population dynamics due to climate change worldwide. These central‐place foragers are restricted within proximity of their breeding colonies during the breeding season, making them highly susceptible to any changes in both marine and terrestrial environments. While ecologists have developed risk assessments to evaluate climate risk in various contexts, these often overlook critical breeding biology data. To address this knowledge gap, we developed a trait‐based risk assessment framework, focusing on the breeding season and applying it to marine predators breeding in parts of Australian territory and Antarctica. Our objectives were to quantify climate change risk, identify specific threats, and establish an adaptable assessment framework. The assessment considered 25 criteria related to three risk components: vulnerability, exposure, and hazard, while accounting for uncertainty. We employed a scoring system that integrated a systematic literature review and expert elicitation for the hazard criteria. Monte Carlo sensitivity analysis was conducted to identify key factors contributing to overall risk. We identified shy albatross (Thalassarche cauta), southern rockhopper penguins (Eudyptes chrysocome), Australian fur seals (Arctocephalus pusillus doriferus), and Australian sea lions (Neophoca cinerea) with high climate urgency. Species breeding in lower latitudes, as well as certain eared seal, albatross, and penguin species, were particularly at risk. Hazard and exposure explained the most variation in relative risk, outweighing vulnerability. Key climate hazards affecting most species include extreme weather events, changes in habitat suitability, and prey availability. We emphasise the need for further research, focusing on at‐risk species, and filling knowledge gaps (less‐studied hazards, and/or species) to provide a more accurate and robust climate change risk assessment. Our findings offer valuable insights for conservation efforts, given that monitoring and implementing climate adaptation strategies for land‐dependent marine predators is more feasible during their breeding season. [ABSTRACT FROM AUTHOR]

Published
2024
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7. Outdoor Rig, Ramingining (Arnhem Land, Australia)

Author

Blake, Teresa, Burton, Stephen, Cavanagh, Tanya, Coldwell, Tim, Davey, Anni, Duffy, Carmel, Dyball, Natalie, Frith, Melinda, Grayland, Scott, Hooper, Guy, Hughes, Mathew, McInnes, Julie, Mickleborough, Linda, Murphy, Peter, Murray, David, Provan, Susan, Richardson, Steven, Vickers, Bill, Circus Oz, Blake, Teresa, Burton, Stephen, Cavanagh, Tanya, Coldwell, Tim, Davey, Anni, Duffy, Carmel, Dyball, Natalie, Frith, Melinda, Grayland, Scott, Hooper, Guy, Hughes, Mathew, McInnes, Julie, Mickleborough, Linda, Murphy, Peter, Murray, David, Provan, Susan, Richardson, Steven, Vickers, Bill, and Circus Oz

Abstract

Digital migration of VHS. Video type: performance. Venue type: outdoor. Date: July 1988. Circus Oz archive notes: trapeze rig, with triple trapeze, with two poles guyed off., Circus Oz video recording July 1988 - Ramingining, Arnhem Land, Outdoor Rig., 0:00:10-0:03:10 Pole --- 0:03:10-0:10:40 Interval --- 0:10:40-0:15:45 Flaming Hoop--- 0:15:45-0:19:34 Safety Inspector --- 0:19:34-0:20:38 Audience --- 0:20:38-0:26:34 Cloud Swing --- 0:26:34-0:32:54 Untitled--- 0:32:54-0:35:47 Untitled--- 0:35:47-0:36:52 Untitled--- 0:36:52-0:45:05 Hoop Diving --- 0:45:05-0:46:20 Group Bike --- 0:46:20-0:47:35 Drums --- 0:47:35-0:48:25 Untitled--- 0:48:25-0:50:46 Audience Post Show

Published
2022

8. Outdoor Rig, Galiwinku (Arnhem Land, Australia)

Author

Batton, Debra, Broadway, Sue, Casella, Antonella, Dalling, Kate, Frith, Melinda, Gallagher, Clare, John, Daryll, Lewis, Chris, Ling, Michael, Rong, Lu Guang, McCusker, Jenee, McInnes, Julie, Mickleborough, Linda, Polke, Carl, Provan, Susan, Scally, John, Shelper, Anna, Small, Lisa, Thompson, Stuart, Wilks, Nicci, Wyatt, Michael, Circus Oz, Batton, Debra, Broadway, Sue, Casella, Antonella, Dalling, Kate, Frith, Melinda, Gallagher, Clare, John, Daryll, Lewis, Chris, Ling, Michael, Rong, Lu Guang, McCusker, Jenee, McInnes, Julie, Mickleborough, Linda, Polke, Carl, Provan, Susan, Scally, John, Shelper, Anna, Small, Lisa, Thompson, Stuart, Wilks, Nicci, Wyatt, Michael, and Circus Oz

Abstract

Digital migration of VHS. Video type: performance. Venue type: outdoor. Date: July 1988., Circus Oz video recording July 1988 - Galiwinku, Arnhem Land, Outdoor Rig.

Published
2022

9. Outdoor Rig, Yirrkala (Arnhem Land, Australia)

Author

Batton, Debra, Broadway, Sue, Casella, Antonella, Dalling, Kate, Frith, Melinda, Gallagher, Clare, John, Daryll, Lewis, Chris, Ling, Michael, Rong, Lu Guang, McCusker, Jenee, McInnes, Julie, Mickleborough, Linda, Polke, Carl, Provan, Susan, Scally, John, Shelper, Anna, Small, Lisa, Thompson, Stuart, Wilks, Nicci, Wyatt, Michael, Circus Oz, Batton, Debra, Broadway, Sue, Casella, Antonella, Dalling, Kate, Frith, Melinda, Gallagher, Clare, John, Daryll, Lewis, Chris, Ling, Michael, Rong, Lu Guang, McCusker, Jenee, McInnes, Julie, Mickleborough, Linda, Polke, Carl, Provan, Susan, Scally, John, Shelper, Anna, Small, Lisa, Thompson, Stuart, Wilks, Nicci, Wyatt, Michael, and Circus Oz

Abstract

Digital migration of VHS. Video type: performance. Venue type: outdoor. Date: 8 October 1993., Circus Oz video recording 8 October 1993 - Yirrikala, Arnhem Land, Outdoor Rig.

Published
2022

10. Outdoor Rig, Maningrida (Arnhem Land, Australia)

Author

Batton, Debra, Broadway, Sue, Casella, Antonella, Dalling, Kate, Frith, Melinda, Gallagher, Clare, John, Daryll, Lewis, Chris, Ling, Michael, Rong, Lu Guang, McCusker, Jenee, McInnes, Julie, Mickleborough, Linda, Polke, Carl, Provan, Susan, Scally, John, Shelper, Anna, Small, Lisa, Thompson, Stuart, Wilks, Nicci, Wyatt, Michael, Circus Oz, Batton, Debra, Broadway, Sue, Casella, Antonella, Dalling, Kate, Frith, Melinda, Gallagher, Clare, John, Daryll, Lewis, Chris, Ling, Michael, Rong, Lu Guang, McCusker, Jenee, McInnes, Julie, Mickleborough, Linda, Polke, Carl, Provan, Susan, Scally, John, Shelper, Anna, Small, Lisa, Thompson, Stuart, Wilks, Nicci, Wyatt, Michael, and Circus Oz

Abstract

Digital migration of VHS. Video type: performance. Venue type: outdoor. Date: 5 October 1993., Circus Oz video recording 5 October 1993 - Maningrida, Arnhem Land, Outdoor Rig., 0:07:48-0:15:08 Magic --- 0:15:11-0:17:36 Pole --- 0:17:36-0:20:50 Balances/Human Hoop Dive --- 0:20:50-0:23:45 Bike --- 0:23:45-0:28:27 Web --- 0:28:27-0:32:38 Egg Balance --- 0:32:38-0:36:49 Game of Life/ Acrobalance --- 0:36:49-0:40:08 Game of Life/Dance --- 0:40:08-0:45:26 Game of Life/ Strong Bit --- 0:45:26-0:50:07 Trapeze --- 0:50:07-0:57:20 Rola Bola --- 0:57:20-1:03:58 Hooping Diving --- 1:03:58-1:07:26 Group Balance --- 1:07:26-1:37:31 Untitled --- 1:37:31-1:39:48 Pole --- 1:39:47-1:42:48 Group Balance/Tumbling --- 1:42:48-1:45:24 Bike --- 1:45:24-1:49:42 Web --- 1:49:42-1:55:31 Egg Balance --- 1:55:31-2:00:42 Game of Life/Acrobalace --- 2:00:42-2:03:53 Game of Life/Dance --- 2:03:53-2:08:36 Game of Life/Strong Bit --- 2:08:36-2:09:38 Rigger --- 2:09:38-2:14:20 Trapeze --- 2:14:20-2:22:05 Rola Bola --- 2:22:05-2:26:36 Hoop Diving

Published
2022

13. current trajectory of king penguin (Aptenodytes patagonicus) chick numbers on Macquarie Island in relation to environmental conditions.

Author

Pascoe, Penelope, Raymond, Ben, Carmichael, Noel, and McInnes, Julie

Abstract

Macquarie Island's king penguin (Aptenodytes patagonicus) population has changed dramatically over recent centuries. Following near decimation from commercial exploitation during the 19th and early 20th centuries, chick numbers increased rapidly from 1930–1980. Since then, the population's trajectory has remained unreported, and environmental factors potentially influencing the population are poorly understood. From 2007–2020, king penguin chicks were censused annually. Chick numbers fluctuated between years, ranging from 33,513–78,714. Overall, the numbers decreased at 1.06 ± 0.03% per annum. While further studies are required to infer causality, annual chick numbers were negatively correlated with environmental conditions on land and at sea. Heavy rainfall, total rainfall, and maximum east coast wave height during incubation correlated with fewer chicks that year. Warmer sea surface temperatures in the foraging region of adult king penguins during incubation and early chick-rearing also correlated with lower chick numbers. While interannual variability and the long generation time of king penguins makes it unclear if the decrease in chick numbers represent a decrease in the breeding population, it is clear the late 20th century rapid increase in Macquarie Island's breeding population has ceased. Ongoing monitoring will establish if this is indicative of the population stabilising or an ongoing population decline. [ABSTRACT FROM AUTHOR]

Published
2022
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14. Outdoor Rig (Maningrida, Australia) [Performance Video Recording]

Author

Duffy, Carmel, Vickers, Bill, Cavanagh, Tanya, Dyball, Natalie, Richardson, Steven, Murphy, Pete, Grayland, Scott, Hughes, Matt, Blake, Teresa, McInnes, Julie, Davey, Anni, Hooper, Guy, Frith, Melinda, Coldwell, Tim, Burton, Stephen, Circus Oz, Duffy, Carmel, Vickers, Bill, Cavanagh, Tanya, Dyball, Natalie, Richardson, Steven, Murphy, Pete, Grayland, Scott, Hughes, Matt, Blake, Teresa, McInnes, Julie, Davey, Anni, Hooper, Guy, Frith, Melinda, Coldwell, Tim, Burton, Stephen, and Circus Oz

Abstract

Digital migration of VHS. Video type: performance. Date: 1988. Venue type: Outdoor Rig. Venue name: outdoor. Shot by: Maningrida Media., Circus OZ video recording 1988 - Maningrida, Australia, Outdoor Rig - 14 July, 0:00:20-0:00:27 title --- 0:00:27-0:04:50 intro/opera --- 0:03:54-0:05:10 musical overture --- 0:05:10-0:07:20 Microphone routine (Melinda Frith, Tim Coldwell) --- 0:07:20-0:15:42 The fabulous Flying Burtons --- 0:15:43-0:26:13 bowling act --- 0:26:13-0:31:00 Bicentennial Rap (Stephen Burton, Guy Hooper) --- 0:31:00-0:38:58 Pole (Guy Hooper, Matt Hughes, Melinda Frith, Anni Davey, Tim Coldwell, Teresa Blake) --- 0:38:58-0:39:40 interval announcement --- 0:39:39-0:51:12 trampoline --- 0:51:12-0:56:35 cloudswing (Teresa Blake) --- 0:56:35-1:02:10 spectacular acrobatics --- 1:02:10-1:06:53 double cello --- 1:06:53-1:15:40 Hoops (Stephen Burton, Melinda Frith, Teresa Blake, Matt Hughes, Scott Grayland) --- 1:15:40-1:17:45 group bike (Stephen Burton, Tim Coldwell, Melinda Frith, Guy Hooper, Anni Davey, Julie McInnes, Teresa Blake, Matt Hughes, Scott Grayland, Pete Murphy, Steven Richardson, Natalie Dyball, Tanya Cavanagh, Bill Vickers, Carmel Duffy) --- 1:17:45-1:19:00 Drum Solo (Tanya Cavanagh) --- 1:19:00-1:20:54 final music (Stephen Burton, Tim Coldwell, Melinda Frith, Guy Hooper, Anni Davey, Julie McInnes, Teresa Blake, Matt Hughes, Scott Grayland, Pete Murphy, Steven Richardson, Natalie Dyball, Tanya Cavanagh, Bill Vickers, Carmel Duffy)

Published
2021

15. Outdoor Rig (Karratha, Australia) [Performance Video Recording]

Author

Ling, Michael, Polke, Carl, Miah Fregon, Kevin, Gascoigne, Gina, Stevens, Michelle, Ives, Derek, Clements, Zanette, Smith, Toni, Dickins, Sebastian, Wilks, Nicci, Yates, Matt, Lewis, Chris, Morris, Genevieve, McInnes, Julie, Coldwell, Tim, Circus Oz, Ling, Michael, Polke, Carl, Miah Fregon, Kevin, Gascoigne, Gina, Stevens, Michelle, Ives, Derek, Clements, Zanette, Smith, Toni, Dickins, Sebastian, Wilks, Nicci, Yates, Matt, Lewis, Chris, Morris, Genevieve, McInnes, Julie, Coldwell, Tim, and Circus Oz

Abstract

Digital migration of VHS. Video type: performance. Venue type: outdoors. Venue name: outdoors. Producer: Circus Oz, The Walkington Theatre. Date: 25/07/1997. Circus Oz company notes: Karratha, WA., Circus OZ video recording 1997 - Karratha, Australia, Outdoor Rig - 25 July, 0:01:50-0:03:57 Preshow (Carl Polke, Michael Ling, Chris Lewis, Genevieve Morris, Julie McInnes, Tim Coldwell) --- 0:01:50-0:04:03 Preshow --- 0:03:57-0:10:15 Pole --- 0:10:15-0:11:10 Set change --- 0:11:10-0:21:10 Fartimart (Matt Yates, Genevieve Morris) --- 0:21:10-0:32:10 Tightwire (Tim Coldwell, Michael Ling) --- 0:32:01-0:38:06 Double Trapeze (Sebastian Dickins, Nicci Wilks) --- 0:38:06-0:44:20 The Acting Act (Nicci Wilks, Tim Coldwell, Genevieve Morris) --- 0:44:20-0:44:40 Interval --- 0:44:40-0:55:10 Orchestra (Carl Polke, Michael Ling, Tim Coldwell, Julie McInnes, Genevieve Morris, Chris Lewis, Matt Yates, Nicci Wilks, Sebastian Dickins) --- 0:55:10-0:58:02 Honkerman (Nicci Wilks, Chris Lewis) --- 0:58:02-0:58:45 Adagio moment (Zanette Clements, Matt Yates) --- 0:58:45-1:03:25 Cloudswing (Toni Smith) --- 1:03:15-1:14:02 Untitled --- 1:03:25-1:10:52 Adagio (Zanette Clements, Matt Yates) --- 1:10:52-1:15:00 The Soap Opera (Nicci Wilks, Tim Coldwell, Genevieve Morris) --- 1:15:00-1:16:25 The One Finger Hand stand (Matt Yates) --- 1:16:25-1:18:22 Derek's Animals (Derek Ives) --- 1:18:22-1:24:00 Fountains (Carl Polke, Julie McInnes, Derek Ives, Michael Ling, Tim Coldwell, Genevieve Morris, Chris Lewis, Matt Yates, Nicci Wilks, Sebastian Dickins, Toni Smith, Zanette Clements) --- 1:24:00-1:27:25 Credits (Kevin Miah Fregon, Gina Gascoigne, Michelle Stevens, Carl Polke, Michael Ling, Tim Coldwell, Julie McInnes, Genevieve Morris, Chris Lewis, Matt Yates, Nicci Wilks, Sebastian Dickins, Toni Smith, Zanette Clements, Derek Ives) --- 1:25:55-1:36:42 Encore percussion --- 1:27:40-1:30:15 Preshow --- 1:30:15-1:41:02 Pole (Michael Ling) --- 1:30:15-1:41:02 Pole (Michael Ling, Tim Coldwell, Matt Yates, Nicci Wilks, Sebastian Dickins, Toni Smith, Zanette Clements, Derek Ives)

Published
2021

16. Esplanade Park (Darwin, Australia) [Performance Video Recording]

Author

Burton, Robina, Burton, Stephen, Carlin, David, Clements, Zanette, Coldwell, Tim, Dickins, Sebastian, Dyball, Natalie, Fletcher, Madge, Miah Fregon, Kevin, Gascoigne, Gina, Hughes, Mathew, Ives, Derek, Lewis, Chris, Ling, Michael, Lycos, Tom, McInnes, Julie, Mickleborough, Linda, Morris, Genevieve, Polke, Carl, Smith, Toni, Steffen, Darren, Stevens, Michelle, Wells-Duerr, Karla, Wilks, Nicci, Yates, Mathew, Circus Oz, Burton, Robina, Burton, Stephen, Carlin, David, Clements, Zanette, Coldwell, Tim, Dickins, Sebastian, Dyball, Natalie, Fletcher, Madge, Miah Fregon, Kevin, Gascoigne, Gina, Hughes, Mathew, Ives, Derek, Lewis, Chris, Ling, Michael, Lycos, Tom, McInnes, Julie, Mickleborough, Linda, Morris, Genevieve, Polke, Carl, Smith, Toni, Steffen, Darren, Stevens, Michelle, Wells-Duerr, Karla, Wilks, Nicci, Yates, Mathew, and Circus Oz

Abstract

Digital migration of VHS. Video type: performance. Date: August 1997. Venue type: Outdoor Rig. Venue name: Esplanade Park. Producer: Circus Oz, Festival of Darwin. Camera angle: Variable. Camera position: Variable., Circus OZ video recording 1997 - Darwin, Australia - Outdoor Rig, Esplanade Park - August, 0:00:00-0:00:47 Preshow --- 0:00:52-0:06:43 Chinese Pole (Tim Coldwell, Michael Ling) --- 0:06:40-0:14:19 Untitled (Mathew Yates) --- 0:14:13-0:25:20 Tightrope - Bull Fighter (Michael Ling) --- 0:25:20-0:29:35 Swinging Trapeze (Sebastian Dickins) --- 0:29:35-0:35:26 Acting (Genevieve Morris) --- 0:35:23-0:37:24 Animals of Circus Oz --- 0:37:25-0:43:21 Fountain Balance --- 0:43:21-0:55:36 Orchestra / Honkerman (Tim Coldwell, Chris Lewis) --- 0:55:36-1:00:13 Cloudswing --- 1:00:13-1:06:55 Adagio --- 1:06:55-1:12:55 Double Trapeze --- 1:12:55-1:17:30 Comedy Skit (Genevieve Morris, Tim Coldwell) --- 1:17:30-1:18:45 One Fingered Handstand --- 1:18:45-1:23:03 Bells (Tim Coldwell, Chris Lewis)--- 1:23:03-1:29:40 Hoop Diving --- 1:29:40-1:32:09 Credits --- 1:32:14-1:34:13 Site Set Up --- 1:34:16-1:34:53 Introduction --- 1:34:51-1:40:26 Chinese Pole --- 1:40:26-1:46:33 Hand Balancing --- 1:46:33-1:52:42 Adagio --- 1:52:42-1:57:27 Honkerman (Chris Lewis) --- 1:57:27-1:59:27 Acting (Genevieve Morris) --- 1:59:27-2:00:53 Animals of Circus Oz (Derek Ives) --- 2:00:53-2:06:34 Fountain Balance --- 2:06:34-2:11:23 Credits --- 2:11:20-2:11:23 Untitled

Published
2021

17. Promotional Video [Promotional Video]

Author

Tucker, Eleanor, McInnes, Julie, Ling, Michael, Dyball, Natalie, Grayland, Scott, Coldwell, Tim, Hooper, Guy, Frith, Melinda, Cavanagh, Tanya, Davey, Anni, Hughes, Matthew, Burton, Stephen, Blake, Theresa, Circus Oz, Tucker, Eleanor, McInnes, Julie, Ling, Michael, Dyball, Natalie, Grayland, Scott, Coldwell, Tim, Hooper, Guy, Frith, Melinda, Cavanagh, Tanya, Davey, Anni, Hughes, Matthew, Burton, Stephen, Blake, Theresa, and Circus Oz

Abstract

Digital migration of VHS. Video type: promo. Date: 1988. Archive notes: Footage begins at 00:00:18. Circus Oz company notes: Promo 1988 (by Doug Ashton)., Circus OZ video recording 1988 - Promotional Video, 0:00:18-0:06:28 Circus Oz promo

Published
2021

18. Promotional Video

Author

Dyball, Natalie, Billing, Shirley, Posa, Justin, Permezel, Marianne, Burton, Stephen, Gladwin, Neill, Sleight, Chris, Toll, Geoff, Casella, Antonella, Yates, Simon, Ling, Michael, Small, Lisa, Eastcott, Robert, McInnes, Julie, Circus Oz, Dyball, Natalie, Billing, Shirley, Posa, Justin, Permezel, Marianne, Burton, Stephen, Gladwin, Neill, Sleight, Chris, Toll, Geoff, Casella, Antonella, Yates, Simon, Ling, Michael, Small, Lisa, Eastcott, Robert, McInnes, Julie, and Circus Oz

Abstract

Digital migration of VHS. Video type: promo. Date: 21 October 1992. Circus Oz company notes: Footage begins at 00:00:20. Circus Oz archive notes: Promo 92 Sunday Show., Circus Oz video recording 1992 - Promotional Video., 0:00:20-0:20:42 Untitled

Published
2021

19. Theatre Royal (Hobart, Australia) [Performance Video Recording]

Author

McInnes, Julie, Polke, Carl, Lu, Guang Rong, Lewis, Chris, Wilks, Nicci, Brennan, Patrick, Ling, Michael, Batton, Debra, Small, Lisa, Westman, Per, Shelper, Anna, John, Daryll, Gallagher, Clare, Smith, Toni, Cordell, Darryl, Circus Oz, McInnes, Julie, Polke, Carl, Lu, Guang Rong, Lewis, Chris, Wilks, Nicci, Brennan, Patrick, Ling, Michael, Batton, Debra, Small, Lisa, Westman, Per, Shelper, Anna, John, Daryll, Gallagher, Clare, Smith, Toni, Cordell, Darryl, and Circus Oz

Abstract

Digital migration of VHS. Video type: performance. Venue type: Theatre. Venue name: Theatre Royal. Date: 12 February 1994. Circus Oz archive notes: Hobart, Theatre Royal., Circus Oz video recording 1994 - Hobart, Australia, Theatre Royal - 12 February., 0:01:30-0:04:15 intros (Michael Ling, Debra Batton, Lisa Small, Per Westman, Anna Shelper, Daryll John, Patrick Brennan, Nicci Wilks, Chris Lewis, Guang Rong Lu, Carl Polke, Julie McInnes, Toni Smith) --- 0:04:13-0:09:58 Balances (Nicci Wilks, Patrick Brennan, Anna Shelper, Per Westman, Debra Batton, Lisa Small, Daryll John, Michael Ling) --- 0:09:58-0:14:30 Trapeze (Anna Shelper) --- 0:14:30-0:26:30 Handstands (Julie McInnes, Carl Polke, Per Westman, Guang Rong Lu, Daryll John, Chris Lewis) --- 0:26:30-0:27:05 transition --- 0:27:07-0:32:53 Shopping Trolleys (Lisa Small, Nicci Wilks) --- 0:32:53-0:43:03 cleaners (Daryll John, Guang Rong Lu) --- 0:43:03-0:48:00 bells (Carl Polke, Nicci Wilks, Daryll John, Anna Shelper, Per Westman, Lisa Small, Debra Batton, Michael Ling, Patrick Brennan, Guang Rong Lu) --- 0:48:00-0:55:49 Bikes (Daryll John, Anna Shelper, Per Westman, Lisa Small, Debra Batton, Michael Ling, Patrick Brennan, Nicci Wilks, Guang Rong Lu, Carl Polke) --- 0:56:03-0:56:55 Intro act 2 (Daryll John, Anna Shelper, Per Westman, Lisa Small, Debra Batton, Michael Ling, Patrick Brennan, Nicci Wilks, Chris Lewis, Guang Rong Lu, Carl Polke, Julie McInnes, Clare Gallagher, Toni Smith) --- 0:56:56-1:08:59 Plates (Clare Gallagher, Daryll John, Anna Shelper, Per Westman, Lisa Small, Debra Batton, Michael Ling, Patrick Brennan, Nicci Wilks, Chris Lewis, Guang Rong Lu, Carl Polke, Julie McInnes) --- 1:08:59-1:12:42 Trapeze head balance (Guang Rong Lu) --- 1:12:43-1:22:15 Shopping Trolleys (Debra Batton, Nicci Wilks, Lisa Small) --- 1:16:22-1:16:22 Untitled --- 1:22:15-1:27:25 Fire (Daryll John, Anna Shelper, Per Westman, Debra Batton, Michael Ling, Patrick Brennan, Chris Lewis, Guang Rong Lu, Carl Polke, Julie McInnes) --- 1:27:25-1:28:26 Russian Ring (Debra Batton, Michael Ling) --- 1:28:26-1:35:53 Untitled --- 1:28:53-1:37:37 Cowgirls (Nicci Wilks, Lisa Small) --- 1:37:37-1:37:53 cowgirls --- 1:37:38-1:43:20 Untitled --- 1:37:45-1:39:20 Intro (Daryll John) --- 1:43:20

Published
2021

20. Melbourne Town Hall (Melbourne, Australia) [Performance Video Recording]

Author

Yates, Simon, Sleight, Chris, Grayland, Scott, Small, Lisa, Perkins, Darren, Dee, Susie, Ives, Derek, Coldwell, Tim, Servais, Isabelle, Billing, Shirley, Murphy, Peter, McInnes, Julie, Casella, Antonella, Dyball, Natalie, Ling, Michael, Murphy, Pete, Vickers, Bill, Wilks, Nicci, Duffy, Carmel, Gallagher, Clare, Circus Oz, Yates, Simon, Sleight, Chris, Grayland, Scott, Small, Lisa, Perkins, Darren, Dee, Susie, Ives, Derek, Coldwell, Tim, Servais, Isabelle, Billing, Shirley, Murphy, Peter, McInnes, Julie, Casella, Antonella, Dyball, Natalie, Ling, Michael, Murphy, Pete, Vickers, Bill, Wilks, Nicci, Duffy, Carmel, Gallagher, Clare, and Circus Oz

Abstract

Digital migration of VHS. Video type: performance. Venue name: Melbourne Town Hall. Date: 14 September 1991. Circus Oz archive notes: Town Hall, Melbourne, 8:00 PM., Circus Oz video recording 1991 - Melbourne, Australia, Melbourne Town Hall - 14 September., 0:00:00-0:06:16 audience warmup (Susie Dee, Derek Ives, Tim Coldwell) --- 0:06:16-0:08:18 Character intros (Tim Coldwell, Derek Ives, Susie Dee, Darren Perkins) --- 0:08:18-0:16:20 Pole (Simon Yates, Chris Sleight, Lisa Small, Tim Coldwell, Antonella Casella, Michael Ling) --- 0:16:20-0:25:42 Chairs (Julie McInnes, Tim Coldwell, Susie Dee) --- 0:25:42-0:29:02 adagio (Antonella Casella, Chris Sleight) --- 0:29:02-0:34:28 Group juggle (Michael Ling, Lisa Small, Peter Murphy, Derek Ives) --- 0:34:28-0:37:09 Duelling Accordions (Isabelle Servais, Shirley Billing) --- 0:37:09-0:40:09 Double Cello (Tim Coldwell, Isabelle Servais, Shirley Billing, Susie Dee, Julie McInnes) --- 0:40:09-0:43:06 Wheelbarrow (Michael Ling, Derek Ives) --- 0:43:06-0:49:46 Flying Burtons (Tim Coldwell, Julie McInnes, Simon Yates, Michael Ling, Isabelle Servais, Susie Dee, Lisa Small) --- 0:49:46-0:51:00 bells walk through (Susie Dee, Tim Coldwell, Derek Ives, Julie McInnes) --- 0:51:00-0:58:00 web (Antonella Casella, Chris Sleight) --- 0:58:00-1:00:56 bells (Shirley Billing, Susie Dee, Julie McInnes, Tim Coldwell) --- 1:00:56-1:07:18 Picnic (Tim Coldwell, Susie Dee, Simon Yates) --- 1:07:18-1:10:56 Cloudswing (Isabelle Servais) --- 1:10:56-1:16:15 Long legs/long arms (Antonella Casella, Chris Sleight, Darren Perkins, Shirley Billing) --- 1:16:15-1:19:20 upside down drumming (Tim Coldwell, Shirley Billing, Isabelle Servais, Simon Yates, Michael Ling, Susie Dee) --- 1:19:20-1:26:59 roofwalk (Tim Coldwell, Julie McInnes, Pete Murphy, Michael Ling) --- 1:26:59-1:29:00 Kissing Booths (Susie Dee, Simon Yates) --- 1:29:00-1:34:30 hoops (Michael Ling, Simon Yates, Lisa Small, Antonella Casella, Chris Sleight) --- 1:34:30-1:40:07 credits (Bill Vickers, Nicci Wilks, Carmel Duffy, Clare Gallagher, Tim Coldwell, Derek Ives, Susie Dee, Darren Perkins, Lisa Small, Scott Grayland, Chris Sleight, Simon Yates, Michael Ling, Natalie Dyball, Antonella Casella, Julie McInnes, Peter Murphy, Shirley Billing, Isabelle

Published
2021

21. Promotional Video

Author

Westman, Per, Smith, Toni, Shelper, Anna, Polke, Carl, McInnes, Julie, Rong, Lu Guang, Lewis, Chris, John, Daryll, Batton, Debra, Wilks, Nicci, Small, Lisa, Ling, Michael, Circus Oz, Westman, Per, Smith, Toni, Shelper, Anna, Polke, Carl, McInnes, Julie, Rong, Lu Guang, Lewis, Chris, John, Daryll, Batton, Debra, Wilks, Nicci, Small, Lisa, Ling, Michael, and Circus Oz

Abstract

Digital migration of VHS. Video type: promo. Date: 1994. Circus Oz company notes: Footage Begins at 00:00:20. Circus Oz archive notes: Promo 1994 (9.45 )., Circus Oz video recording 1994 - Promotional Video., 0:00:20-10:40:00 Untitled

Published
2021

22. Flying Fruit Fly Circus Big Top, Moore Park (Sydney, Australia) [Performance Video Recording]

Author

Ling, Michael, Wilks, Nicci, Shelper, Anna, Westman, Per, Lester, Tanya, Brennan, Patrick, Coldwell, Tim, McInnes, Julie, Grayland, Scott, John, Daryll, Batton, Debra, Smith, Toni, Polke, Carl, Circus Oz, Ling, Michael, Wilks, Nicci, Shelper, Anna, Westman, Per, Lester, Tanya, Brennan, Patrick, Coldwell, Tim, McInnes, Julie, Grayland, Scott, John, Daryll, Batton, Debra, Smith, Toni, Polke, Carl, and Circus Oz

Abstract

Digital migration of VHS. Video type: performance. Venue type: BigTop. Venue name: Flying Fruit Fly Circus Big Top, Moore Park. Date: 21 January 1995. Circus Oz archive notes: Sydney, Moore Park, tent, 8.00pm., Circus Oz video recording 1995 - Sydney, Australia - Flying Fruit Fly Circus Big Top, Moore Park., 0:00:16-0:10:45 Untitled (Michael Ling, Nicci Wilks, Anna Shelper, Per Westman, Tanya Lester, Patrick Brennan, Tim Coldwell, Julie McInnes, Scott Grayland, Daryll John) --- 0:11:30-0:17:01 Swinging Trapeze (Anna Shelper) --- 0:17:03-0:20:00 Welcome announcement (Daryll John, Per Westman) --- 0:20:00-0:31:10 Chair Act (Daryll John, Patrick Brennan, Debra Batton, Per Westman, Michael Ling) --- 0:31:10-0:41:03 Shopping Trolley taming (Toni Smith, Patrick Brennan) --- 0:41:03-0:47:44 Web (Per Westman, Tanya Lester) --- 0:47:44-0:50:57 handstand puppet (Daryll John, Patrick Brennan) --- 0:51:00-0:59:00 Bike Act (Tanya Lester, Carl Polke, Michael Ling, Patrick Brennan, Debra Batton, Daryll John, Per Westman, Anna Shelper) --- 0:59:00-1:14:10 Plates (Tanya Lester, Debra Batton, Per Westman, Anna Shelper) --- 1:15:02-1:17:44 Untitled (Daryll John) --- 1:17:44-1:18:58 Phone call from mum (Toni Smith) --- 1:17:44-1:18:58 Untitled --- 1:18:59-1:28:25 Fire act (Patrick Brennan, Daryll John, Per Westman, Michael Ling) --- 1:28:25-1:36:12 Swinging German Wheel

Published
2021

23. Flying Fruit Fly Circus Tent, City Square (Melbourne, Australia) [Performance Video Recording]

Author

Lancaster, Jo, Mitchell, Simon, Yates, Simon, Lu, Guang Rong, Shelper, Anna, Wilks, Nicci, Toll, Geoff, McInnes, Julie, John, Daryll, Batton, Debra, Casella, Antonella, Ling, Michael, Polke, Carl, McCusker, Jenee, Provan, Susan, Mickleborough, Linda, Broadway, Sue, Circus Oz, Lancaster, Jo, Mitchell, Simon, Yates, Simon, Lu, Guang Rong, Shelper, Anna, Wilks, Nicci, Toll, Geoff, McInnes, Julie, John, Daryll, Batton, Debra, Casella, Antonella, Ling, Michael, Polke, Carl, McCusker, Jenee, Provan, Susan, Mickleborough, Linda, Broadway, Sue, and Circus Oz

Abstract

Digital migration of VHS. Video type: performance. Venue type: Tent. Venue name: FFFC Tent, City Square. Date: 1 May 1993. Circus Oz archive notes: City Square, Melbourne,tent, 8pm., Circus Oz video recording 1993 - Melbourne, Australia, Flying Fruit Fly Circus Tent, City Square - 1 May., 0:00:00-0:17:36 Preshow --- 0:21:12-0:28:44 Gladiators (Jo Lancaster, Antonella Casella, Debra Batton, Daryll John, Julie McInnes, Geoff Toll, Nicci Wilks, Simon Mitchell, Simon Yates, Guang Rong Lu, Anna Shelper) --- 0:32:15-0:33:03 Intro Act (Nicci Wilks, Geoff Toll, Julie McInnes, Daryll John, Debra Batton, Antonella Casella) --- 0:33:03-0:42:44 Trapeze (Anna Shelper) --- 0:42:44-0:54:39 Acro Parade (Debra Batton, Geoff Toll, Daryll John, Guang Rong Lu, Antonella Casella) --- 0:46:07-0:46:07 Trapeze --- 0:54:39-1:00:16 Aerial Ring (Debra Batton, Michael Ling) --- 1:00:16-1:08:05 Hoop Diving (Guang Rong Lu, Debra Batton, Antonella Casella, Simon Yates, Daryll John, Anna Shelper, Michael Ling) --- 1:08:05-1:15:08 Slackwire (Simon Mitchell, Simon Yates) --- 1:15:11-1:24:09 Sampoo Intro (Geoff Toll, Guang Rong Lu, Daryll John, Michael Ling, Jo Lancaster, Debra Batton, Antonella Casella) --- 1:24:09-1:30:04 Sampoo Tower of glasses and boards (Guang Rong Lu, Anna Shelper, Daryll John, Michael Ling, Jo Lancaster, Debra Batton, Antonella Casella) --- 1:30:04-1:41:40 Here Come the Troopers, Geoff's Velcro Splatt (Anna Shelper, Daryll John, Michael Ling, Jo Lancaster, Debra Batton, Antonella Casella, Geoff Toll, Guang Rong Lu, Simon Yates) --- 1:41:40-1:46:45 Balance Bike (Anna Shelper, Daryll John, Michael Ling) --- 1:46:00-1:53:32 Untitled --- 1:46:38-1:54:03 Web (Antonella Casella, Debra Batton, Anna Shelper) --- 1:54:03-1:56:20 Untitled --- 1:56:20-1:59:58 Credits (Michael Ling, Antonella Casella, Debra Batton, Daryll John, Julie McInnes, Geoff Toll, Nicci Wilks, Anna Shelper, Guang Rong Lu, Simon Yates, Simon Mitchell, Jo Lancaster)

Published
2021

24. Melbourne Town Hall (Melbourne, Australia) [Performance Video Recording]

Author

McInnes, Julie, Clements, Zanette, Coldwell, Tim, Westman, Per, Wilks, Nicci, Ling, Michael, Morris, Genevieve, Lewis, Chris, Polke, Carl, Yates, Mathew, Ives, Derek, Stevens, Michelle, Bright, Andrew, Dickins, Sebastian, Circus Oz, McInnes, Julie, Clements, Zanette, Coldwell, Tim, Westman, Per, Wilks, Nicci, Ling, Michael, Morris, Genevieve, Lewis, Chris, Polke, Carl, Yates, Mathew, Ives, Derek, Stevens, Michelle, Bright, Andrew, Dickins, Sebastian, and Circus Oz

Abstract

Digital migration of VHS. Video type: performance. Venue name: Melbourne Town Hall. Camera position: Side of ring. Date: 1997. Digitisation notes: copy of SH97.15 (bad sound). Circus Oz archive notes: Melbourne, No.5., Circus Oz video recording 1997 - Melbourne, Australia - Melbourne Town Hall IV., 0:00:00-0:01:13 Cello (Julie McInnes) --- 0:01:12-0:05:52 Pole (Zanette Clements, Tim Coldwell, Per Westman, Nicci Wilks, Michael Ling, Andrew Bright) --- 0:05:52-0:13:18 Hand Balance (Mathew Yates, Genevieve Morris, Zanette Clements, Michael Ling) --- 0:13:18-0:19:11 Double Trapeze (Nicci Wilks, Andrew Bright) --- 0:19:10-0:24:27 Lucky Seat Draw (Genevieve Morris, Tim Coldwell, Mathew Yates, Nicci Wilks) --- 0:24:27-0:33:50 Bullfight (Michael Ling, Tim Coldwell, Julie McInnes) --- 0:33:50-0:34:33 Tightwire Strike (Chris Lewis, Carl Polke, Julie McInnes) --- 0:34:33-0:37:42 Per's Getting Dressed Juggle (Per Westman) --- 0:37:19-0:42:56 The Acting Act (Nicci Wilks, Tim Coldwell, Genevieve Morris) --- 0:42:55-0:45:13 Derek's Animals (Derek Ives) --- 0:45:13-0:45:22 One Finger Handstand Announcement #1 (Genevieve Morris) --- 0:45:23-0:51:16 Fountains (Michelle Stevens, Mathew Yates, Michael Ling, Nicci Wilks, Tim Coldwell, Zanette Clements, Derek Ives, Per Westman, Genevieve Morris, Andrew Bright) --- 0:51:17-0:58:03 Orchestra (Mathew Yates, Carl Polke, Chris Lewis, Genevieve Morris, Michael Ling, Nicci Wilks, Per Westman, Tim Coldwell, Zanette Clements, Julie McInnes, Derek Ives, Michelle Stevens, Andrew Bright) --- 0:57:38-1:00:53 Honkerman (Chris Lewis) --- 1:00:53-1:01:03 One Finger Handstand Announcement #2 (Genevieve Morris) --- 1:01:03-1:07:26 Adagio (Zanette Clements, Mathew Yates) --- 1:07:26-1:07:32 One Finger Handstand Announcement #3 (Genevieve Morris) --- 1:07:32-1:12:06 Soap Opera (Nicci Wilks, Tim Coldwell, Genevieve Morris) --- 1:12:05-1:13:27 One Finger Handstand (Mathew Yates) --- 1:13:28-1:19:34 Roofwalk (Tim Coldwell) --- 1:19:34-1:24:42 Hoops (Andrew Bright, Michael Ling, Nicci Wilks, Per Westman, Zanette Clements) --- 1:24:42-1:27:32 Credits (Mathew Yates, Sebastian Dickins, Carl Polke, Chris Lewis, Genevieve Morris, Michael Ling, Nicci Wilks, Per Westman, Tim Coldwell, Zanette Clements, Julie McInnes, Derek Ives, Michelle Stevens, Andrew Bright)

Published
2021

25. Promotional Video [Promotional Video]

Author

Clarke, Alan, Ives, Derek, Joseph, David, Dee, Susie, Stevens, Elaine, Small, Lisa, Hughes, Matthew, McInnes, Julie, Dyball, Natalie, Davey, Anni, Grayland, Scott, Coldwell, Tim, Circus Oz, Clarke, Alan, Ives, Derek, Joseph, David, Dee, Susie, Stevens, Elaine, Small, Lisa, Hughes, Matthew, McInnes, Julie, Dyball, Natalie, Davey, Anni, Grayland, Scott, Coldwell, Tim, and Circus Oz

Abstract

Digital migration of VHS. Video type: promo. Date: 1990. Circus Oz archive notes: Promo 1990., Circus Oz video recording 1990 - Promotional Video. Video only until 0.01.27.

Published
2021

26. Big Top, Moore Park (Sydney, Australia) [Performance Video Recording]

Author

Westman, Per, Polke, Carl, Coldwell, Tim, Wilks, Nicci, Lewis, Chris, Ives, Derek, Rosa, Tora La, Billing, Shirley, Fletcher, Madge, McInnes, Julie, Burton, Stephen, Laurie, Robin, Steffen, Darren, Gascoigne, Gina, Smith, Clytie, Dunstan, Geoffrey, Bauer, Ruth, Circus Oz, Westman, Per, Polke, Carl, Coldwell, Tim, Wilks, Nicci, Lewis, Chris, Ives, Derek, Rosa, Tora La, Billing, Shirley, Fletcher, Madge, McInnes, Julie, Burton, Stephen, Laurie, Robin, Steffen, Darren, Gascoigne, Gina, Smith, Clytie, Dunstan, Geoffrey, Bauer, Ruth, and Circus Oz

Abstract

Digital migration of VHS. Video type: performance. Venue type: Tent. Venue name: FFFC Tent, Moore Park. Producer: Circus Oz. Date: 23 January 1997. Digitisation notes: Poor quality visuals. Circus Oz archive notes: Moore Park,tent, 8pm., Circus Oz video recording 1997 - Sydney, Australia - Big Top, Moore Park - 23 January., 0:00:14-0:00:49 Warm-up (Per Westman) --- 0:00:55-0:07:12 Welcome Aboard Circus Oz Flight 26 --- 0:07:13-0:14:53 Untitled --- 0:14:55-0:19:00 Double Web --- 0:19:00-0:31:04 The Incredible Handstand (Tim Coldwell, Nicci Wilks) --- 0:31:05-0:37:45 Untitled --- 0:37:35-0:43:28 Bells (Nicci Wilks, Tim Coldwell) --- 0:43:29-0:49:19 Pole --- 0:49:20-0:49:56 Interval --- 0:49:57-0:57:26 Bar on High Wire (Tim Coldwell) --- 0:57:28-0:58:32 Untitled --- 0:58:35-1:04:08 Untitled --- 1:04:10-1:11:00 Golf Game --- 1:11:01-1:24:35 Untitled (Nicci Wilks, Tim Coldwell) --- 1:24:36-1:29:35 Horn Strip (Chris Lewis) --- 1:29:37-1:37:22 Final Leg of Journey --- 1:37:23-1:43:52 Untitled (Derek Ives, Tora La Rosa, Shirley Billing, Madge Fletcher, Julie McInnes, Tim Coldwell, Chris Lewis, Stephen Burton, Robin Laurie, Darren Steffen, Gina Gascoigne, Clytie Smith)

Published
2021

27. Theatre Royal (Hobart, Australia) [Performance Video Recording]

Author

Lycos, Tom, Reeves, Melissa, Richardson, Steven, Small, Lisa, Kirby, Margaret, Dyball, Natalie, Coldwell, Tim, Hughes, Matt, Grayland, Scott, Cavanagh, Tanya, McInnes, Julie, Burton, Stephen, Davey, Anni, Circus Oz, Lycos, Tom, Reeves, Melissa, Richardson, Steven, Small, Lisa, Kirby, Margaret, Dyball, Natalie, Coldwell, Tim, Hughes, Matt, Grayland, Scott, Cavanagh, Tanya, McInnes, Julie, Burton, Stephen, Davey, Anni, and Circus Oz

Abstract

Digital migration of VHS. Video type: performance. Venue type: Theatre. Venue name: Theatre Royal. Producer: Circus Oz, Theatre Royal. Date: 4 November 1989. Digitisation notes: 999 errors. Quality reasonable. Circus Oz archive notes: Hobart, Tasmania., Circus Oz video recording 1989 - Hobart, Australia, Theatre Royal - 4 November., 0:01:12-0:01:41 Audience Warmup --- 0:01:41-0:03:39 Intro (Tim Coldwell, Natalie Dyball, Margaret Kirby, Lisa Small, Steven Richardson, Melissa Reeves, Tom Lycos, Julie McInnes, Tanya Cavanagh, Scott Grayland, Matt Hughes) --- 0:03:39-0:04:54 Microphone Routine (Natalie Dyball, Melissa Reeves) --- 0:04:54-0:11:35 Pole (Anni Davey, Tim Coldwell, Natalie Dyball, Margaret Kirby, Lisa Small, Melissa Reeves) --- 0:11:35-0:16:27 Musical Chairs (Tom Lycos, Melissa Reeves) --- 0:16:17-0:17:29 Upside Down Drumming (Tim Coldwell, Tanya Cavanagh) --- 0:17:23-0:22:23 Roofwalk (Natalie Dyball) --- 0:22:17-0:23:10 Handstand Announcement (Scott Grayland) --- 0:23:15-0:26:16 Adagio (Lisa Small, Anni Davey) --- 0:26:21-0:33:00 Flying Trapeze (Steven Richardson, Scott Grayland, Natalie Dyball, Lisa Small, Anni Davey) --- 0:33:24-0:35:18 Musical intro to second half (Stephen Burton, Tim Coldwell, Natalie Dyball, Margaret Kirby, Lisa Small, Steven Richardson, Melissa Reeves, Tom Lycos, Julie McInnes, Tanya Cavanagh, Scott Grayland, Matt Hughes, Anni Davey) --- 0:35:18-0:44:16 Bowling (Scott Grayland, Matt Hughes, Tim Coldwell, Natalie Dyball, Margaret Kirby, Lisa Small, Steven Richardson, Melissa Reeves, Tom Lycos, Julie McInnes, Anni Davey) --- 0:44:15-0:44:50 Thongaphone (Tim Coldwell) --- 0:44:50-0:48:00 Tramp Set (Anni Davey) --- 0:48:00-0:55:51 Trampoline (Natalie Dyball, Tim Coldwell, Matt Hughes, Melissa Reeves, Anni Davey) --- 0:55:51-1:00:58 Cloudswing (Julie McInnes, Scott Grayland) --- 1:00:57-1:05:28 Double Cello (Tom Lycos, Anni Davey, Julie McInnes) --- 1:05:28-1:10:57 Hoop Diving (Natalie Dyball, Margaret Kirby, Lisa Small, Scott Grayland, Matt Hughes) --- 1:10:57-1:15:09 Credits (Tim Coldwell, Natalie Dyball, Margaret Kirby, Lisa Small, Steven Richardson, Melissa Reeves, Tom Lycos, Julie McInnes, Tanya Cavanagh, Scott Grayland, Matt Hughes, Anni Davey, Stephen Burton) --- 1:15:09-1:16:45 Outro (Tim Coldwell)

Published
2021

28. Melbourne Town Hall (Melbourne, Australia) [Performance Video Recording]

Author

Burton, Stephen, Grayland, Scott, Hughes, Mathew, Davey, Anni, McInnes, Julie, Dyball, Natalie, Reeves, Melissa, Small, Lisa, Hughes, Matt, McDonald, Ian, Coldwell, Tim, Duffy, Carmel, Vickers, Bill, Murphy, Peter, Richardson, Steven, Circus Oz, Burton, Stephen, Grayland, Scott, Hughes, Mathew, Davey, Anni, McInnes, Julie, Dyball, Natalie, Reeves, Melissa, Small, Lisa, Hughes, Matt, McDonald, Ian, Coldwell, Tim, Duffy, Carmel, Vickers, Bill, Murphy, Peter, Richardson, Steven, and Circus Oz

Abstract

Digital migration of VHS. Video type: performance. Venue type: Hall. Venue name: Melbourne Town Hall. Producer: Circus Oz. Date: 1 September 1989. Circus Oz archive notes: Town Hall, Melbourne., Circus Oz video recording 1989 - Melbourne, Australia, Melbourne Town Hall - 1 September., 0:00:59-0:11:07 Preshow with auction (Anni Davey, Mathew Hughes, Scott Grayland, Stephen Burton) --- 0:11:07-0:14:59 Musical intro (Anni Davey, Mathew Hughes, Scott Grayland, Stephen Burton) --- 0:11:07-0:14:50 intro's (Carmel Duffy, Bill Vickers, Peter Murphy, Steven Richardson, Melissa Reeves, Natalie Dyball, Julie McInnes, Anni Davey, Mathew Hughes, Scott Grayland, Stephen Burton, Lisa Small, Matt Hughes, Tim Coldwell, Ian McDonald) --- 0:14:59-0:16:15 Microphone routine --- 0:16:21-0:23:50 Pole (Anni Davey, Mathew Hughes, Scott Grayland, Stephen Burton, Melissa Reeves, Natalie Dyball, Julie McInnes) --- 0:24:05-0:28:27 Duet (Stephen Burton, Melissa Reeves) --- 0:28:22-0:30:33 Upside-down drumkit --- 0:30:39-0:37:14 Roofwalk --- 0:37:14-0:38:03 Hand stand Intro (Stephen Burton) --- 0:38:03-0:43:06 Club Juggle (Lisa Small, Stephen Burton) --- 0:43:06-0:44:47 Tom Lycos's Archery --- 0:44:43-0:47:41 adagio (Lisa Small, Anni Davey) --- 0:47:41-0:54:29 Flying Trapeze (Matt Hughes, Lisa Small, Natalie Dyball, Anni Davey) --- 0:54:35-0:55:18 Ian Playing the organ, Toccatta (Ian McDonald) --- 0:55:23-0:57:11 Intro --- 0:57:11-1:06:57 Bowls --- 1:06:57-1:09:12 Tom Lycos doing archery --- 1:09:12-1:12:00 Trampoline set up --- 1:12:00-1:19:41 Trampoline (Matt Hughes, Anni Davey) --- 1:19:41-1:25:00 Cloudswing --- 1:25:00-1:30:32 Double Cello --- 1:30:35-1:31:54 Tom Lycos Archery --- 1:31:54-1:37:32 Chinese Hoop diving --- 1:37:32-1:42:06 credits (Tim Coldwell)

Published
2021

29. Flying Fruit Fly Circus Big Top, Swan Street (Richmond, Australia) [Performance Video Recording]

Author

Murphy, Peter, Hughes, Matthew, Ives, Derek, Stevens, Elaine, Dyball, Natalie, Coldwell, Tim, Small, Lisa, Davey, Anni, Dee, Susie, Clarke, Alan, Joseph, David, Grayland, Scott, Richardson, Steven, McInnes, Julie, Circus Oz, Murphy, Peter, Hughes, Matthew, Ives, Derek, Stevens, Elaine, Dyball, Natalie, Coldwell, Tim, Small, Lisa, Davey, Anni, Dee, Susie, Clarke, Alan, Joseph, David, Grayland, Scott, Richardson, Steven, McInnes, Julie, and Circus Oz

Abstract

Digital migration of VHS. Video type: performance. Venue type: Big Top. Venue name: Flying Fruit Fly Circus Big Top, Swan Street, Richmond. Producer: Circus Oz. Date: 11 November 1990. Circus Oz archive notes: Tent season in Punt Rd and Shaw Street, 3pm., Circus Oz video recording 1990 - Richmond, Australia - Flying Fruit Fly Circus Big Top, Swan Street - 11 November., 0:00:08-0:04:00 Intro, Audience warmup --- 0:04:00-0:07:10 Kissing Booths 1 (Susie Dee, Alan Clarke) --- 0:07:10-0:17:00 Pole (Matthew Hughes, Derek Ives, Elaine Stevens, Natalie Dyball, Tim Coldwell, Alan Clarke, Lisa Small, Anni Davey) --- 0:17:00-0:19:03 Wheelbarrow (Peter Murphy, Natalie Dyball, Derek Ives) --- 0:19:03-0:23:30 Adagio (Lisa Small, Anni Davey) --- 0:23:30-0:23:55 Matt's hero 1 (Steven Richardson, Matthew Hughes) --- 0:23:55-0:28:35 Slackwire (David Joseph, Scott Grayland, Derek Ives) --- 0:28:35-0:30:20 Tightwire (Elaine Stevens, David Joseph) --- 0:30:20-0:31:49 Hero number 2 (Matthew Hughes, Susie Dee) --- 0:31:49-0:34:10 Blender (Derek Ives) --- 0:34:10-0:38:34 Hoops (Elaine Stevens, Scott Grayland, Matthew Hughes, Natalie Dyball, Alan Clarke, Lisa Small) --- 0:38:34-0:41:45 Teddy Bear Hoops (Matthew Hughes, Susie Dee) --- 0:41:45-0:45:23 Roofwalk (Tim Coldwell, Julie McInnes, David Joseph, Natalie Dyball) --- 0:45:05-0:49:15 Double Trapeze (Lisa Small, Anni Davey, Natalie Dyball, Steven Richardson) --- 0:49:15-0:51:00 Musical Transition --- 0:51:00-0:56:05 Trampoline (Matthew Hughes) --- 0:56:05-0:56:57 Umbrella Transition --- 0:56:56-1:02:23 Cloud Swing --- 1:02:23-1:08:24 Teddy Bear & Cannon (Alan Clarke) --- 1:08:24-1:09:50 Acrobatics --- 1:09:50-1:14:26 Wheelbarrow Rola Bola --- 1:14:26-1:18:35 Untitled --- 1:18:35-1:27:27 Trapeze --- 1:27:27-1:29:03 Kissing Booth 3 --- 1:29:03-1:34:24 Curtain Call --- 49:20:00-0:51:00 bells (Tim Coldwell, David Joseph, Derek Ives, Julie McInnes)

Published
2021

30. New Victory Theatre (New York, USA) [Performance Video Recording]

Author

Clements, Zanette, Morris, Genevieve, Ling, Michael, Coldwell, Tim, Yates, Matt, Stevens, Michelle, Wilks, Nicci, Bright, Andrew, Westman, Per, Smith, Toni, McInnes, Julie, Dickins, Sebastian, Polke, Carl, Gascoigne, Gina, Lewis, Chris, Fregon, Kevin Miah, Carlin, David, Steffen, Darren, John, Daryll, Fletcher, Madge, Circus Oz, Clements, Zanette, Morris, Genevieve, Ling, Michael, Coldwell, Tim, Yates, Matt, Stevens, Michelle, Wilks, Nicci, Bright, Andrew, Westman, Per, Smith, Toni, McInnes, Julie, Dickins, Sebastian, Polke, Carl, Gascoigne, Gina, Lewis, Chris, Fregon, Kevin Miah, Carlin, David, Steffen, Darren, John, Daryll, Fletcher, Madge, and Circus Oz

Abstract

Digital migration of VHS. Video type: performance. Venue type: Theatre. Venue name: New Victory Theater. Producer: The New 42nd Street Inc. Date: 1998. Circus Oz archive notes: New York., Circus Oz video recording 1998 - New York, USA, New Victory Theatre., 0:00:00-0:02:00 Preshow (Matt Yates) --- 0:02:00-0:07:30 intro (Zanette Clements, Genevieve Morris, Michael Ling, Matt Yates, Tim Coldwell, Sebastian Dickins) --- 0:07:30-0:13:35 Pole (Andrew Bright, Per Westman, Zanette Clements, Toni Smith, Sebastian Dickins, Michael Ling, Tim Coldwell, Julie McInnes) --- 0:13:35-0:14:05 transition (Sebastian Dickins, Nicci Wilks) --- 0:14:05-0:23:00 Fart-i-mart (Zanette Clements, Michael Ling, Per Westman, Michelle Stevens, Matt Yates, Genevieve Morris) --- 0:23:00-0:26:12 swinging trapeze (Sebastian Dickins) --- 0:26:12-0:36:40 tight wire (Tim Coldwell, Michael Ling) --- 0:36:40-0:39:52 Per getting dressed (Per Westman) --- 0:39:52-0:45:19 ACTING! (Tim Coldwell, Per Westman, Genevieve Morris, Nicci Wilks) --- 0:45:19-0:45:29 one finger handstand announcement --- 0:45:29-0:52:40 fountains (Matt Yates, Michael Ling, Zanette Clements, Toni Smith, Andrew Bright, Nicci Wilks, Michelle Stevens, Sebastian Dickins, Genevieve Morris, Tim Coldwell, Per Westman) --- 0:52:40-0:53:03 interval --- 0:53:03-1:00:05 orchestra --- 1:00:05-1:01:35 Honkerman (Chris Lewis) --- 1:01:35-1:06:27 Cloudswing (Toni Smith) --- 1:06:27-1:13:06 Ninja Juggle (Matt Yates, Per Westman) --- 1:13:06-1:18:40 Double Trapeze (Sebastian Dickins, Nicci Wilks) --- 1:18:30-1:25:07 Untitled --- 1:18:40-1:21:58 Kangaroos (Per Westman, Genevieve Morris) --- 1:21:58-1:27:55 Adagio (Zanette Clements, Matt Yates) --- 1:27:55-1:29:55 Upside Down Drumming (Genevieve Morris, Sebastian Dickins, Michael Ling, Chris Lewis) --- 1:29:55-1:36:07 Roofwalk (Chris Lewis, Julie McInnes, Per Westman, Tim Coldwell) --- 1:36:07-1:37:34 One Finger Handstand (Matt Yates) --- 1:37:34-1:42:55 Hoops (Genevieve Morris, Sebastian Dickins, Toni Smith, Per Westman, Andrew Bright, Nicci Wilks, Michael Ling, Zanette Clements) --- 1:42:55-1:45:54 Credits (Darren Steffen, Daryll John, Madge Fletcher, Carl Polke, Sebastian Dickins, Julie McInnes, Toni Smith, Per Westman, Andrew Bright, Nicci Wilks, Michel

Published
2021

31. Promotional Video

Author

Wilks, Nicci, Westman, Per, Polke, Carl, McInnes, Julie, Ling, Michael, Lewis, Chris, Dickins, Sebastian, Coldwell, Tim, Bauer, Ruth, Circus Oz, Wilks, Nicci, Westman, Per, Polke, Carl, McInnes, Julie, Ling, Michael, Lewis, Chris, Dickins, Sebastian, Coldwell, Tim, Bauer, Ruth, and Circus Oz

Abstract

Digital migration of VHS. Video type: promo. Date: 1996. Circus Oz company notes: Footage begins at 00:00:16 . Circus Oz archive notes: Promo 1996 (7 ) Corporate., Circus Oz video recording 1996 - Promotional Video., 0:00:16-0:08:44 Untitled

Published
2021

32. Using DNA metabarcoding to detect burrowing seabirds in a remote landscape

Author

McInnes, Julie C., Bird, Jeremy P., Deagle, Bruce E., Polanowski, Andrea M., Shaw, Justine D., McInnes, Julie C., Bird, Jeremy P., Deagle, Bruce E., Polanowski, Andrea M., and Shaw, Justine D.

Abstract

Species inventories and biodiversity assessments are critical to conservation. Yet cryptic species or recolonizing species can be challenging to detect. DNA metabarcoding provides an alternative tool to identify species that can be difficult to observe during field surveys. We test the efficacy of DNA analysis to identify burrowing petrel species in a rapidly changing landscape, on a remote sub-Antarctic island following pest eradication. Discarded feathers and scats provided high quality DNA for species identification, assisting in detection of new species arrivals and new breeding sites across Macquarie Island. We highlight how DNA metabarcoding informs species inventories and is a valuable tool to complement seabird field surveys.

Published
2021

40. Molecular analysis of predator scats reveals role of salps in temperate inshore food webs

Author

Cavallo, Catherine, Chiaradia, André, Deagle, Bruce E, McInnes, Julie C, Sánchez, Sonia, Hays, Graeme C, Reina, Richard D, Cavallo, Catherine, Chiaradia, André, Deagle, Bruce E, McInnes, Julie C, Sánchez, Sonia, Hays, Graeme C, and Reina, Richard D

Abstract

High precision, high coverage DNA-based diet analysis tools allow great insight into the food web interactions of cryptic taxa. We used DNA fecal-metabarcoding to look for unrecorded taxa within the diet of a generalist central-placed predator, the little penguin Eudyptula minor. We examined 208 scats from 106 breeding pairs throughout August-February in a large colony at Phillip Island, Australia. While we confirmed a largely piscivorous diet, we also recovered DNA sequences from gelatinous and crustaceous plankton groups that have not previously been detected in the little penguin diet using other diet analysis methods. Gelatinous plankton, including salps, appendicularians, scyphozoans, and hydrozoans were present in 76% of samples and represented 25% of all sequences. DNA recovered from minute copepods and appendicularians may indicate links between trophic levels through secondary predation. Percentage frequency of occurrence (%FOO) demonstrated that little penguin diet composition changed over months and stages (incubation, guard, and post-guard) of the breeding season (month: χ2 = 201.91, df = NA, p < 0.01; stage: χ2 = 33.221, df = NA, p = 0.015). Relative read abundance (RRA) uncovered variations in the relative abundance of taxa in the diet over months and stages (month: F = 53.18, df = 59, p < 0.001; stage: F = 66.56, df = 29, p < 0.001). The diet became progressively fish-focused over months of the season and stages, while salps were only present in 4 out of 6 months, with a peak in September. Based on their prevalence in this dataset, in this year of very high breeding success (2.15 chicks per pair), salps may constitute a food source for this largely piscivorous generalist. Our work highlights how DNA metabarcoding can improve our understanding of the trophic role of gelatinous plankton and other cryptic taxa.

Published
2018

41. DNA Metabarcoding as a Marine Conservation and Management Tool: A Circumpolar Examination of Fishery Discards in the Diet of Threatened Albatrosses

Author

McInnes, Julie C., primary, Jarman, Simon N., additional, Lea, Mary-Anne, additional, Raymond, Ben, additional, Deagle, Bruce E., additional, Phillips, Richard A., additional, Catry, Paulo, additional, Stanworth, Andrew, additional, Weimerskirch, Henri, additional, Kusch, Alejandro, additional, Gras, Michaël, additional, Cherel, Yves, additional, Maschette, Dale, additional, and Alderman, Rachael, additional

Published
2017
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42. High occurrence of jellyfish predation by black‐browed and Campbell albatross identified by DNA metabarcoding

Author

McInnes, Julie C., primary, Alderman, Rachael, additional, Lea, Mary‐Anne, additional, Raymond, Ben, additional, Deagle, Bruce E., additional, Phillips, Richard A., additional, Stanworth, Andrew, additional, Thompson, David R., additional, Catry, Paulo, additional, Weimerskirch, Henri, additional, Suazo, Cristián G., additional, Gras, Michaël, additional, and Jarman, Simon N., additional

Published
2017
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43. Why do marine endotherms eat gelatinous prey?

Author

Thiebot, Jean-Baptiste and McInnes, Julie C

Subjects
*WARM-blooded animals, *SEA birds, *PREY availability, *MARINE mammals, *DNA analysis, *ENERGY consumption
Abstract

There is growing evidence that gelatinous zooplanktonic organisms ("gelata") are regular prey for marine endotherms. Yet the consumption of gelata is intriguing in terms of the energy reward, because endotherms have a high energy demand and the consumption of gelata provides little energy return. In this paper, we take advantage of recent advances in diet analysis methods, notably animal-borne video loggers and DNA analysis in seabirds, to examine our current understanding of this interaction. We suggest that several hypotheses commonly raised to explain predation on gelata (including increased biomass, reduced prey availability, and secondary ingestion) have already been tested and many lack strong support. We emphasize that gelata are widely consumed by endotherms (121 cases reported across 82 species of seabirds, marine mammals, and endothermic fishes) from the Arctic to the Antarctic but noticeably less in the tropics. We propose that in line with research from terrestrial ecosystems atypical food items might be beneficial to the consumers in a non-energetic context, encompassing self-medication, and responding to homeostatic challenges. Changing the "last resort" context for a "functional response" framework may improve our understanding of widespread predation on gelata. Further biochemical analyses are needed to formally examine this perspective. [ABSTRACT FROM AUTHOR]

Published
2020
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44. High occurrence of jellyfish predation by black-browed and Campbell albatross identified by DNA metabarcoding

Author

McInnes, Julie C., Alderman, Rachael, Lea, Mary-Anne, Raymond, Ben, Deagle, Bruce E., Phillips, Richard A., Stanworth, Andrew, Thompson, David R., Catry, Paulo, Weimerskirch, Henri, Suazo, Cristián G., Gras, Michaël, Jarman, Simon N., McInnes, Julie C., Alderman, Rachael, Lea, Mary-Anne, Raymond, Ben, Deagle, Bruce E., Phillips, Richard A., Stanworth, Andrew, Thompson, David R., Catry, Paulo, Weimerskirch, Henri, Suazo, Cristián G., Gras, Michaël, and Jarman, Simon N.

Abstract

Gelatinous zooplankton are a large component of the animal biomass in all marine environments, but are considered to be uncommon in the diet of most marine top predators. However, the diets of key predator groups like seabirds have conventionally been assessed from stomach content analyses, which cannot detect most gelatinous prey. As marine top predators are used to identify changes in the overall species composition of marine ecosystems, such biases in dietary assessment may impact our detection of important ecosystem regime shifts. We investigated albatross diet using DNA metabarcoding of scats to assess the prevalence of gelatinous zooplankton consumption by two albatross species, one of which is used as an indicator species for ecosystem monitoring. Black-browed and Campbell albatross scats were collected from eight breeding colonies covering the circumpolar range of these birds over two consecutive breeding seasons. Fish was the main dietary item at most sites, however cnidarian DNA, primarily from scyphozoan jellyfish was present in 42% of samples overall and up to 80% of samples at some sites. Jellyfish was detected during all breeding stages and consumed by adults and chicks. Trawl fishery catches of jellyfish near the Falkland Islands indicate a similar frequency of jellyfish occurrence in albatross diets in years of high and low jellyfish availability, suggesting jellyfish consumption may be selective rather than opportunistic. Warmer oceans and overfishing of finfish are predicted to favour jellyfish population increases and we demonstrate here that dietary DNA metabarcoding enables measurements of the contribution of gelatinous zooplankton to the diet of marine predators.

Published
2017

45. DNA metabarcoding as a marine conservation and management tool: A circumpolar examination of fishery discards in the diet of threatened albatrosses

Author

McInnes, Julie C., Jarman, Simon N., Lea, Mary-Anne, Raymond, Ben, Deagle, Bruce E., Phillips, Richard A., Catry, Paulo, Stanworth, Andrew, Weimerskirch, Henri, Kusch, Alejandro, Gras, Michael, Cherel, Yves, Maschette, Dale, Alderman, Rachael, McInnes, Julie C., Jarman, Simon N., Lea, Mary-Anne, Raymond, Ben, Deagle, Bruce E., Phillips, Richard A., Catry, Paulo, Stanworth, Andrew, Weimerskirch, Henri, Kusch, Alejandro, Gras, Michael, Cherel, Yves, Maschette, Dale, and Alderman, Rachael

Abstract

Almost all of the world's fisheries overlap spatially and temporally with foraging seabirds, with impacts that range from food supplementation (through scavenging behind vessels), to resource competition and incidental mortality. The nature and extent of interactions between seabirds and fisheries vary, as does the level and efficacy of management and mitigation. Seabird dietary studies provide information on prey diversity and often identify species that are also caught in fisheries, providing evidence of linkages which can be used to improve ecosystem based management of fisheries. However, species identification of fish can be difficult with conventional dietary techniques. The black-browed albatross (Thalassarche melanophris) has a circumpolar distribution and has suffered major population declines due primarily to incidental mortality in fisheries. We use DNA metabarcoding of black-browed albatross scats to investigate their fish prey during the breeding season at six sites across their range, over two seasons. We identify the spatial and temporal diversity of fish in their diets and overlaps with fisheries operating in adjacent waters. Across all sites, 51 fish species from 33 families were identified, with 23 species contributing >10% of the proportion of samples or sequences at any site. There was extensive geographic variation but little inter-annual variability in fish species consumed. Several fish species that are not easily accessible to albatross, but are commercially harvested or by-caught, were detected in the albatross diet during the breeding season. This was particularly evident at the Falkland Islands and Iles Kerguelen where higher fishery catch amounts (or discard amounts where known) corresponded to higher occurrence of these species in diet samples. This study indicates ongoing interactions with fisheries through consumption of fishery discards, increasing the risk of seabird mortality. Breeding success was higher at sites where fisheries dis

Published
2017

47. A review of methods used to analyse albatross diets—assessing priorities across their range

Author

McInnes, Julie C., Raymond, Ben, Phillips, Richard A., Jarman, Simon N., Lea, Mary-Anne, Alderman, Rachael, McInnes, Julie C., Raymond, Ben, Phillips, Richard A., Jarman, Simon N., Lea, Mary-Anne, and Alderman, Rachael

Abstract

Many seabird populations are threatened by interactions with commercial fisheries, and climate change. Understanding their prey requirements and dietary flexibility in this context is important for effective conservation and management. However, changes in the methods used to assess diet, as well as the spatial and temporal coverage of monitoring schemes, may reduce our ability to detect and monitor these marine threats. To help assess conservation priorities linked to diet, we performed a systematic review of 109 albatross diet papers published between 1950 and 2016, which corresponded to 296 studies when stratified by sampling year, breeding site, and breeding species. We assessed the methods used, changes over time, and spatial and temporal sampling coverage by species and island group. Most albatross studies have focused on chick-rearing, and diet during other breeding phases is comparatively poorly known. Furthermore, chicks are more commonly sampled than adults and very rarely immature birds, all of which may differ in diet composition. There was a pronounced shift over time in the preferred method of characterising diet, from the morphological examination of prey remains to stable isotope analysis of tissue. This shift has reduced the volume of detailed taxonomic information available from morphological studies. This difference in resolution hinders the ability to detect changes in prey species, with implications for management of threatened albatrosses and for monitoring broader changes in marine ecosystems. In a knowledge gap analysis for important breeding colonies (with >5% of global population), we identified key sites where existing monitoring has provided a foundation for robust longitudinal diet studies. Maintaining and augmenting these long-term research programmes will enable analyses of the impacts of changing climate and fishing practices on seabird populations and facilitate the timely identification and implementation of management options.

Published
2016

50. Counting with DNA in metabarcoding studies: How should we convert sequence reads to dietary data?

Author

Deagle, Bruce E., Thomas, Austen C., McInnes, Julie C., Clarke, Laurence J., Vesterinen, Eero J., Clare, Elizabeth L., Kartzinel, Tyler R., and Eveson, J. Paige

Subjects
DIET, GENETIC barcoding, NUCLEOTIDE sequencing, FOOD consumption, FOOD contamination
Abstract

Advances in DNA sequencing technology have revolutionized the field of molecular analysis of trophic interactions, and it is now possible to recover counts of food DNA sequences from a wide range of dietary samples. But what do these counts mean? To obtain an accurate estimate of a consumer's diet should we work strictly with data sets summarizing frequency of occurrence of different food taxa, or is it possible to use relative number of sequences? Both approaches are applied to obtain semi‐quantitative diet summaries, but occurrence data are often promoted as a more conservative and reliable option due to taxa‐specific biases in recovery of sequences. We explore representative dietary metabarcoding data sets and point out that diet summaries based on occurrence data often overestimate the importance of food consumed in small quantities (potentially including low‐level contaminants) and are sensitive to the count threshold used to define an occurrence. Our simulations indicate that using relative read abundance (RRA) information often provides a more accurate view of population‐level diet even with moderate recovery biases incorporated; however, RRA summaries are sensitive to recovery biases impacting common diet taxa. Both approaches are more accurate when the mean number of food taxa in samples is small. The ideas presented here highlight the need to consider all sources of bias and to justify the methods used to interpret count data in dietary metabarcoding studies. We encourage researchers to continue addressing methodological challenges and acknowledge unanswered questions to help spur future investigations in this rapidly developing area of research. [ABSTRACT FROM AUTHOR]

Published
2019
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