气候变化和沙漠蜥蜴的生存压力

IF 44.7 1区 综合性期刊 Q1 MULTIDISCIPLINARY SCIENCES Science Pub Date : 2025-01-16 DOI:10.1126/science.adq4372
Kristoffer H. Wild, Raymond B. Huey, Eric R. Pianka, Susana Clusella-Trullas, Anthony L. Gilbert, Donald B. Miles, Michael R. Kearney
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引用次数: 0

摘要

气候变暖可能导致变温动物的生活成本“挤压”,因为它增加了能量消耗,同时减少了觅食收益。我们使用生物物理模型(经过2685次实地观察验证)对非洲和澳大利亚沙漠中的10种生态多样性蜥蜴进行了验证。历史上的变暖(1950-2020年)在非洲比在澳大利亚更强烈,转化为对非洲昼夜活动物种的能量挤压。虽然没有观察到对澳大利亚昼夜活动物种的净影响,但变暖对夜间活动物种产生了能量“缓解”(通过增加觅食时间)。未来变暖对非洲的影响将比澳大利亚更严重,需要增加食物摄取率(白天活动的物种每小时增加10%)。因此,气候变暖对沙漠蜥蜴能量收支的影响将是特定物种的,但可能是可预测的。
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Climate change and the cost-of-living squeeze in desert lizards
Climate warming can induce a cost-of-living “squeeze” in ectotherms by increasing energetic expenditures while reducing foraging gains. We used biophysical models (validated by 2685 field observations) to test this hypothesis for 10 ecologically diverse lizards in African and Australian deserts. Historical warming (1950–2020) has been more intense in Africa than in Australia, translating to an energetic squeeze for African diurnal species. Although no net impact on Australian diurnal species was observed, warming generated an energetic “relief” (by increasing foraging time) for nocturnal species. Future warming impacts will be more severe in Africa than in Australia, requiring increased rates of food intake (+10% per hour active for diurnal species). The effects of climate warming on desert lizard energy budgets will thus be species-specific but potentially predictable.
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来源期刊
Science
Science 综合性期刊-综合性期刊
CiteScore
61.10
自引率
0.90%
发文量
0
审稿时长
2.1 months
期刊介绍: Science is a leading outlet for scientific news, commentary, and cutting-edge research. Through its print and online incarnations, Science reaches an estimated worldwide readership of more than one million. Science’s authorship is global too, and its articles consistently rank among the world's most cited research. Science serves as a forum for discussion of important issues related to the advancement of science by publishing material on which a consensus has been reached as well as including the presentation of minority or conflicting points of view. Accordingly, all articles published in Science—including editorials, news and comment, and book reviews—are signed and reflect the individual views of the authors and not official points of view adopted by AAAS or the institutions with which the authors are affiliated. Science seeks to publish those papers that are most influential in their fields or across fields and that will significantly advance scientific understanding. Selected papers should present novel and broadly important data, syntheses, or concepts. They should merit recognition by the wider scientific community and general public provided by publication in Science, beyond that provided by specialty journals. Science welcomes submissions from all fields of science and from any source. The editors are committed to the prompt evaluation and publication of submitted papers while upholding high standards that support reproducibility of published research. Science is published weekly; selected papers are published online ahead of print.
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