期刊
ECOLOGY LETTERS
卷 21, 期 1, 页码 104-116出版社
WILEY
DOI: 10.1111/ele.12877
关键词
Climate change; distribution; embryo; growth; ontogeny; sublethal; survival; temperature
类别
资金
- National Science Foundation Graduate Research Fellowship Program [1246875]
- Rothschild Postdoctoral Fellowship
- Frederick and Helen Gaige Award from the American Society of Ichthyologists and Herpetologists
- Clemson University Graduate Student Government
- Biological Sciences Graduate Student Association
The capacity to tolerate climate change often varies across ontogeny in organisms with complex life cycles. Recently developed species distribution models incorporate traits across life stages; however, these life-cycle models primarily evaluate effects of lethal change. Here, we examine impacts of recurrent sublethal warming on development and survival in ecological projections of climate change. We reared lizard embryos in the laboratory under temperature cycles that simulated contemporary conditions and warming scenarios. We also artificially warmed natural nests to mimic laboratory treatments. In both cases, recurrent sublethal warming decreased embryonic survival and hatchling sizes. Incorporating survivorship results into a mechanistic species distribution model reduced annual survival by up to 24% compared to models that did not incorporate sublethal warming. Contrary to models without sublethal effects, our model suggests that modest increases in developmental temperatures influence species ranges due to effects on survivorship.
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