Search

Your search keyword '"Loewenthal, Graham"' showing total 7 results
Start Over Author "Loewenthal, Graham"
7 results on '"Loewenthal, Graham"'

2. Exposure of marine megafauna to cumulative anthropogenic threats in north-west Australia

Author

Ferreira, Luciana C., primary, Thums, Michele, additional, Whiting, Scott, additional, Meekan, Mark, additional, Andrews-Goff, Virginia, additional, Attard, Catherine R. M., additional, Bilgmann, Kerstin, additional, Davenport, Andrew, additional, Double, Mike, additional, Falchi, Fabio, additional, Guinea, Michael, additional, Hickey, Sharyn M., additional, Jenner, Curt, additional, Jenner, Micheline, additional, Loewenthal, Graham, additional, McFarlane, Glenn, additional, Möller, Luciana M., additional, Norman, Brad, additional, Peel, Lauren, additional, Pendoley, Kellie, additional, Radford, Ben, additional, Reynolds, Samantha, additional, Rossendell, Jason, additional, Tucker, Anton, additional, Waayers, David, additional, Whittock, Paul, additional, Wilson, Phillipa, additional, and Fossette, Sabrina, additional

Published
2023
Full Text
View/download PDF

3. Exposure of marine megafauna to cumulative anthropogenic threats in north-west Australia.

Author

Ferreira, Luciana C., Thums, Michele, Whiting, Scott, Meekan, Mark, Andrews-Goff, Virginia, Attard, Catherine R. M., Bilgmann, Kerstin, Davenport, Andrew, Double, Mike, Falchi, Fabio, Guinea, Michael, Hickey, Sharyn M., Jenner, Curt, Jenner, Micheline, Loewenthal, Graham, McFarlane, Glenn, Möller, Luciana M., Norman, Brad, Peel, Lauren, and Pendoley, Kellie

Subjects
HUMPBACK whale, MEGAFAUNA, BYCATCHES, TURTLE conservation, ANIMAL behavior, MIGRATORY animals, MARINE biology, AUSTRALIAN animals
Abstract

As the use of coastal and offshore environments expands, there is a need to better understand the exposure of marine megafauna to anthropogenic activities that potentially threaten their populations. Individual satellite telemetry studies are often hampered by small sample sizes, providing limited information on spatiotemporal distributions of migratory animals and their relationships to anthropogenic threats. We addressed this issue by synthesising satellite tracking data from 484 individuals of three taxonomic groups and six species; three marine turtle, two whale and one shark. The spatial overlap between taxa distributions and multiple anthropogenic activities was assessed as a proxy for the cumulative exposure of these taxa to anthropogenic threats (coastal modification, vessel strike, underwater noise, oil spill, bycatch, entanglement, and artificial light) across an area totalling 2,205,740 km2 off north-western Australia. Core exposure areas (top 50% of the distribution) encompassed ecologically important sites for all taxa, such as the Ningaloo and Pilbara regions, migratory routes for whales and sharks in offshore waters beyond Ningaloo Reef, and marine turtle nesting beaches at Barrow Island and Cape Lambert. Although areas of high exposure represented <14% of taxa distributions, we showed that no taxa occurred in the absence of threats and that even areas with existing spatial protections are experiencing high levels of exposure. Importantly, we developed a robust approach for documenting the potential exposure of marine species to a range of human activities at appropriate spatial scales to inform conservation management. [ABSTRACT FROM AUTHOR]

Published
2024
Full Text
View/download PDF

4. Regional Ranking of Marine Turtle Nesting in Remote Western Australia by Integrating Traditional Ecological Knowledge and Remote Sensing

Author

Tucker, Anton, primary, Pendoley, Kellie, additional, Murray, Kathy, additional, Loewenthal, Graham, additional, Barber, Chris, additional, Denda, Jai, additional, Lincoln, Gina, additional, Mathews, Dean, additional, Oades, Daniel, additional, Whiting, Scott, additional, Rangers, Miriuwung, additional, Rangers, Balanggarra, additional, Rangers, Wunambal, additional, Rangers, Dambimangari, additional, Rangers, Mayala, additional, Rangers, Bardi, additional, Rangers, Nyul, additional, Rangers, Yawuru, additional, Rangers, Karajarri, additional, Rangers, Nyangumarta, additional, and Rangers, Ngarla, additional

Published
2021
Full Text
View/download PDF

6. Multiple satellite tracking datasets inform green turtle conservation at a regional scale

Author

Ferreira, Luciana C., primary, Thums, Michele, additional, Fossette, Sabrina, additional, Wilson, Phillipa, additional, Shimada, Takahiro, additional, Tucker, Anton D., additional, Pendoley, Kellie, additional, Waayers, Dave, additional, Guinea, Michael L., additional, Loewenthal, Graham, additional, King, Joanne, additional, Speirs, Marissa, additional, Rob, Dani, additional, and Whiting, Scott D., additional

Published
2020
Full Text
View/download PDF

Catalog

Books, media, physical & digital resources
See catalog results