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Your search keyword '"Hickman, Caleb R."' showing total 17 results
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17 results on '"Hickman, Caleb R."'

1. Social and Cultural Dynamics of Non-native Invasive Species

Author

Schelhas, John, Alexander, Janice, Brunson, Mark, Cabe, Tommy, Crall, Alycia, Dockry, Michael J., Emery, Marla R., Frankel, Susan J., Hapner, Nina, Hickman, Caleb R., Jordan, Rebecca, LaVoie, Michael J., Ma, Zhao, Starinchak, Joe, Vukomanovic, Jelena, Poland, Therese M., editor, Patel-Weynand, Toral, editor, Finch, Deborah M., editor, Miniat, Chelcy Ford, editor, Hayes, Deborah C., editor, and Lopez, Vanessa M., editor

Published
2021
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2. A landmark environmental law looks ahead

Author

Fischman, Robert L., Ruhl, J. B., Forester, Brenna R., Lama, Tanya M., Kardos, Marty, Rojas, Grethel Aguilar, Robinson, Nicholas A., Shirey, Patrick D., Lamberti, Gary A., Ando, Amy W., Palumbi, Stephen, Wara, Michael, Schwartz, Mark W., Williamson, Matthew A., Berger-Wolf, Tanya, Beery, Sara, Rolnick, David, Kitzes, Justin, Thau, David, Tuia, Devis, Rubenstein, Daniel, Hickman, Caleb R., Thorstenson, Julie, Kaebnick, Gregory E., Collins, James P., Jayaram, Athmeya, Deleuil, Thomas, Zhao, Ying, Fischman, Robert L., Ruhl, J. B., Forester, Brenna R., Lama, Tanya M., Kardos, Marty, Rojas, Grethel Aguilar, Robinson, Nicholas A., Shirey, Patrick D., Lamberti, Gary A., Ando, Amy W., Palumbi, Stephen, Wara, Michael, Schwartz, Mark W., Williamson, Matthew A., Berger-Wolf, Tanya, Beery, Sara, Rolnick, David, Kitzes, Justin, Thau, David, Tuia, Devis, Rubenstein, Daniel, Hickman, Caleb R., Thorstenson, Julie, Kaebnick, Gregory E., Collins, James P., Jayaram, Athmeya, Deleuil, Thomas, and Zhao, Ying

Abstract

In late December 1973, the United States enacted what some would come to call “the pitbull of environmental laws.” In the 50 years since, the formidable regulatory teeth of the Endangered Species Act (ESA) have been credited with considerable successes, obliging agencies to draw upon the best available science to protect species and habitats. Yet human pressures continue to push the planet toward extinctions on a massive scale. With that prospect looming, and with scientific understanding ever changing, Science invited experts to discuss how the ESA has evolved and what its future might hold.

Published
2024
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4. A landmark environmental law looks ahead

Author

Fischman, Robert L., primary, Ruhl, J. B., additional, Forester, Brenna R., additional, Lama, Tanya M., additional, Kardos, Marty, additional, Rojas, Grethel Aguilar, additional, Robinson, Nicholas A., additional, Shirey, Patrick D., additional, Lamberti, Gary A., additional, Ando, Amy W., additional, Palumbi, Stephen, additional, Wara, Michael, additional, Schwartz, Mark W., additional, Williamson, Matthew A., additional, Berger-Wolf, Tanya, additional, Beery, Sara, additional, Rolnick, David, additional, Kitzes, Justin, additional, Thau, David, additional, Tuia, Devis, additional, Rubenstein, Daniel, additional, Hickman, Caleb R., additional, Thorstenson, Julie, additional, Kaebnick, Gregory E., additional, Collins, James P., additional, Jayaram, Athmeya, additional, Deleuil, Thomas, additional, and Zhao, Ying, additional

Published
2023
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17. Testing the Threat-Sensitive Hypothesis with Predator Familiarity and Dietary Specificity.

Author

Crawford, Brian A., Hickman, Caleb R., and Luhring, Thomas M.

Subjects
*PREDATION, *STATISTICAL hypothesis testing, *AQUATIC animals, *FORAGING behavior, *FAMILIARITY (Psychology), *ANIMAL social behavior
Abstract

In a system with multiple predators, the threat-sensitive predator avoidance hypothesis predicts that prey respond differently to predators relative to the risks each poses (e.g., degree of dietary specialization). Aquatic animals often rely heavily on detecting predators via chemical cues (kairomones) and respond with a suite of behaviors including detection and avoidance. However, little is known about how animals respond to kairomones of specialist versus generalist predators. In laboratory experiments, we compared behavioral responses of a poorly studied aquatic salamander, the greater siren ( Siren lacertina), to cues from specialist and generalist predator snakes to evaluate threat-sensitive responses. Sirens exhibited a novel behavior (gill-flushing) most often in the presence of specialist predator cues. Avoidance behavior (reversing direction following cue detection) was higher in response to specialist predator and novel animal control cues and lowest in response to generalist predator cues. An intermediate response to the animal control, an unfamiliar amphibian predator, indicated that sirens respond cautiously to a novel cue. The gradient of observed responses to different snake cues indicates that sirens may be evaluating predation potential of animals based on their foraging specificity and familiarity. [ABSTRACT FROM AUTHOR]

Published
2012
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