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14 results on '"Suazo, Alexis A."'

3. Indicators of Climate Change in Idaho : An Assessment Framework for Coupling Biophysical Change and Social Perception

Author

Klos, P. Zion, Abatzoglou, John T., Bean, Alycia, Blades, Jarod, Clark, Melissa A., Dodd, Megan, Hall, Troy E., Haruch, Amanda, Higuera, Philip E., Holbrook, Joseph D., Jansen, Vincent S., Kemp, Kerry, Lankford, Amber, Link, Timothy E., Magney, Troy, Meddens, Arjan J. H., Mitchell, Liza, Moore, Brandon, Morgan, Penelope, Newingham, Beth A., Niemeyer, Ryan J., Soderquist, Ben, Suazo, Alexis A., Vierling, Kerri T., Walden, Von, and Walsh, Chelsea

Published
2015

7. Effects of burial depth and substrate on the emergence of Bromus rubens and Brassica tournefortii

Author

Abella, Scott R., Lee, Amber C., and Suazo, Alexis A.

Subjects
Cruciferae -- Environmental aspects, Bromegrasses -- Environmental aspects, Germination -- Research, Science and technology
Abstract

Abstract.--The germination of seed is critical in deserts where annual plants are abundant and rely on seed buried in the soil for sustaining populations. The exotic annuals Bromus rubens and [...]

Published
2011

8. Responses of old-field mice (Peromyscus polionotus) to consecutive days of live trapping

Author

Suazo, Alexis A. and Delong, Angelique T.

Subjects
Veterinary physiology -- Research, Biological sciences, Earth sciences, Physiological aspects, Research, Behavior
Abstract

We investigated causes of body mass loss associated with consecutive days of live trapping of old-field mice (Peromyscus polionotus) on four small mammal trapping grids in central Florida USA from Mar. 2003 to Dec. 2004. Body mass of P. polionotus declined when live trapped for two consecutive days. Mean mass losses were recorded in all seasons and were significantly different in spring and summer. Temperatures inside live traps were higher than ambient temperatures. Mean number of sunflower seeds ingested was not different between day one and day two of capture, and the total number of sunflower seeds consumed explained a small amount of the variation in body mass loss. Our results suggest that sunflower seeds are not a good source of water necessary to maintain a constant body mass in P. polionotus live trapped on consecutive days, and mass loss is influenced by a combination of seasonal temperature fluctuations and physiological condition of trapped individuals., INTRODUCTION Live trapping of small mammals is fundamental to many aspects of ecological, physiological and evolutionary research. Some research questions require several consecutive days of live trapping. For example, ≥ [...]

Published
2007

9. Repeated capture of beach mice (Peromyscus polionotus phasma and P. p. niveiventris) reduces body mass

Author

Suazo, Alexis A., Delong, Angelique T., Bard, Alice A., and Oddy, Donna M.

Subjects
Body weight -- Research, Trapping -- Research, Trapping -- Physiological aspects, Mice -- Research, Mice -- Physiological aspects, Zoology and wildlife conservation
Abstract

Body mass is commonly used as an indicator of habitat quality and body condition in small-mammal populations. We examined the effects of consecutive days of livetrapping on body mass of 2 federally listed subspecies of beach mice on the eastern coast of Florida: the Anastasia Island beach mouse (Peromyscus polionotus phasma) and the southeastern beach mouse (P. p. niveiventris). Mean mass loss (approximately 0.5 g/recaptured day) was additive and occurred for Anastasia Island beach mice over 2 consecutive days and for southeastern beach mice over 3 consecutive days. Researchers should exercise caution when their trapping protocols call for consecutive nights of trapping. Key words: Anastasia Island beach mouse, mass loss. Peromyscus polionotus niveiventris, Peromyscus polionotus phasma, repeated capture, southeastern beach mouse

Published
2005

14. Responses Of Small Rodents To Restoration And Management Techniques Of Florida Scrub At Cape Canaveral Air Force Station, Florid

Author

Suazo, Alexis

Subjects
Land management, Small mammals, Habitat restoration, Adaptive management, Biology
Abstract

Proper habitat management is essential for the survival and reproduction of species, especially those listed under state or federal laws as endangered, threatened or of special concern, and those with small local populations. Land managers use a combination of mechanical cutting and prescribed burning to manage and restore degraded scrub habitat in east central Florida. This approach improves habitat for the endangered Florida scrub-jay (Aphelocoma coerulescens), but little is known about its effects on other taxa, especially the threatened southeastern beach mouse (Peromyscus polionotus niveiventris). This single species approach may not be beneficial to other taxa, and mechanical cutting and prescribed burning may have detrimental effects on P. p. niveiventris. To evaluate the effects of land management techniques on P. p. niveiventris, I live trapped populations at Cape Canaveral Air Force Station near Titusville, Florida during 2004-2005. I evaluated the relative abundance and related demographic parameters of small mammal populations trapped in compartments under different land management treatments, and investigated the relationship between Florida scrub-jay breeding groups using these compartments and abundance of southeastern beach mice. My results suggest that P. p. niveiventris responded positively to prescribed burning, while the cotton mouse (P. gossypinus) responded positively to the mechanical cutting. Reproduction and body mass of southeastern beach mice were similar across land management compartments. Abundance of Florida scrub-jay breeding groups and southeastern beach mice were positively correlated suggesting that both listed species benefited from the same land management activities. A mosaic of burned and cut patches should be maintained to support small mammal diversity. In addition, adaptive management should be used at CCAFS to understand how small mammals, particularly the southeastern beach mouse, respond to land management activities.

Published
2007

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