globalchange  > 影响、适应和脆弱性
DOI: 10.1111/gcb.13476
论文题名:
Lizards fail to plastically adjust nesting behavior or thermal tolerance as needed to buffer populations from climate warming
作者: Telemeco R.S.; Fletcher B.; Levy O.; Riley A.; Rodriguez-Sanchez Y.; Smith C.; Teague C.; Waters A.; Angilletta M.J.; Jr.; Buckley L.B.
刊名: Global Change Biology
ISSN: 13541013
出版年: 2017
卷: 23, 期:3
起始页码: 1075
结束页码: 1084
语种: 英语
英文关键词: incubation ; mechanistic model ; phenotypic plasticity ; Sceloporus tristichus ; Sceloporus undulatus
Scopus关键词: Sceloporus undulatus ; Sceloporus undulatus tristichus ; Squamata
英文摘要: Although observations suggest the potential for phenotypic plasticity to allow adaptive responses to climate change, few experiments have assessed that potential. Modeling suggests that Sceloporus tristichus lizards will need increased nest depth, shade cover, or embryonic thermal tolerance to avoid reproductive failure resulting from climate change. To test for such plasticity, we experimentally examined how maternal temperatures affect nesting behavior and embryonic thermal sensitivity. The temperature regime that females experienced while gravid did not affect nesting behavior, but warmer temperatures at the time of nesting reduced nest depth. Additionally, embryos from heat-stressed mothers displayed increased sensitivity to high-temperature exposure. Simulations suggest that critically low temperatures, rather than high temperatures, historically limit development of our study population. Thus, the plasticity needed to buffer this population has not been under selection. Plasticity will likely fail to compensate for ongoing climate change when such change results in novel stressors. © 2016 John Wiley & Sons Ltd
资助项目: We thank R. Lopez and K. Suson for access to Arizona State University Surplus for our nesting arenas. For constructive comments, we thank A. Camacho, R. Huey, M. McElroy, and N. Bouzid. For assistance in the field and laboratory, we thank K. Arshid, K. Bliven, K. Brown, J. Buness, R. Howard, R. Jayyusi, K. Jones, G. Ray, C. Rotteger, J. Ruff, A. Savala, L. Semanik, and O. Van Vianen. Procedures were approved by the Animal Care and Use Committee of Arizona State University (15-1432). Lizards were collected with permission from the State of Arizona Game and Fish Department (SP724806). This study was supported by National Science Foundation grant EF-1065638 to L.B.B.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/61017
Appears in Collections:影响、适应和脆弱性

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作者单位: Department of Biology, University of Washington, Seattle, WA, United States; School of Life Sciences, Arizona State University, Tempe, AZ, United States

Recommended Citation:
Telemeco R.S.,Fletcher B.,Levy O.,et al. Lizards fail to plastically adjust nesting behavior or thermal tolerance as needed to buffer populations from climate warming[J]. Global Change Biology,2017-01-01,23(3)
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