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DOI10.1073/pnas.1922859118
Mammal species occupy different climates following the expansion of human impacts
Pineda-Munoz S.; Wang Y.; Kathleen Lyons S.; Tóth A.B.; McGuire J.L.
发表日期2021
ISSN00278424
卷号118期号:2
英文摘要Cities and agricultural fields encroach on the most fertile, habitable terrestrial landscapes, fundamentally altering global ecosystems. Today, 75% of terrestrial ecosystems are considerably altered by human activities, and landscape transformation continues to accelerate. Human impacts are one of the major drivers of the current biodiversity crisis, and they have had unprecedented consequences on ecosystem function and rates of species extinctions for thousands of years. Here we use the fossil record to investigate whether changes in geographic range that could result from human impacts have altered the climatic niches of 46 species covering six mammal orders within the contiguous United States. Sixty-seven percent of the studied mammals have significantly different climatic niches today than they did before the onset of the Industrial Revolution. Niches changed the most in the portions of the range that overlap with human-impacted landscapes. Whether by forcible elimination/introduction or more indirect means, large-bodied dietary specialists have been extirpated from climatic envelopes that characterize human-impacted areas, whereas smaller, generalist mammals have been facilitated, colonizing these same areas of the climatic space. Importantly, the climates where we find mammals today do not necessarily represent their past habitats. Without mitigation, as we move further into the Anthropocene, we can anticipate a low standing biodiversity dominated by small, generalist mammals. © 2021 National Academy of Sciences. All rights reserved.
英文关键词Biogeography; Climatic niche; Mammals; Paleoecology; Realized niche
语种英语
scopus关键词article; biodiversity; biogeography; climate; diet; fossil; habitat; human; human impact (environment); mammal; nonhuman; paleoecology; United States
来源期刊Proceedings of the National Academy of Sciences of the United States of America
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/181072
作者单位Department of Earth and Environmental Sciences, Indiana University, Bloomington, IN 47401, United States; School of Earth and Atmospheric Sciences, Georgia Institute of Technology, Atlanta, GA 30332, United States; School of Biological Sciences, Georgia Institute of Technology, Atlanta, GA 30332, United States; School of Biological Sciences, University of Nebraska-Lincoln, Lincoln, NE 68588, United States; Centre for Ecosystem Science, School of Biological, Earth, and Environmental Sciences, University of New South Wales, Sydney, NSW 2052, Australia; Interdisciplinary Graduate Program in Quantitative Biosciences, Georgia Institute of Technology, Atlanta, GA 30332, United States
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Pineda-Munoz S.,Wang Y.,Kathleen Lyons S.,et al. Mammal species occupy different climates following the expansion of human impacts[J],2021,118(2).
APA Pineda-Munoz S.,Wang Y.,Kathleen Lyons S.,Tóth A.B.,&McGuire J.L..(2021).Mammal species occupy different climates following the expansion of human impacts.Proceedings of the National Academy of Sciences of the United States of America,118(2).
MLA Pineda-Munoz S.,et al."Mammal species occupy different climates following the expansion of human impacts".Proceedings of the National Academy of Sciences of the United States of America 118.2(2021).
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