气候变化领域集成服务门户(CCPortal): Ecology of the Anthropocene signals hope for consciously managing the planetary ecosystem

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DOI	10.1073/PNAS.2024150118
	Ecology of the Anthropocene signals hope for consciously managing the planetary ecosystem
	Lehman C.; Loberg S.; Wilson M.; Gorham E.
发表日期	2021
ISSN	0027-8424
卷号	118 期号:28
英文摘要	Human populations have grown to such an extent that our species has become a dominant force on the planet, prompting geologists to begin applying the term Anthropocene to recognize the present moment. Many approaches seek to explain the past and future of human population growth, in the form of narratives and models. Some of the most influential models have parameters that cannot be precisely known but are estimated by expert opinion. Here we apply a unified model of ecology to provide a macroscale summary of the net effects of many microscale processes, using a minimal set of parameters that can be known. Our models match estimates of historic and prehistoric global human population numbers and provide predictions that correspond to some of the more complicated current models. In addition to fitting the data well they reveal that, amidst enormous complexity in our human and prehuman past, three key ecological discontinuities have occurred in turn: 1) becoming dominant competitors of large predators rather than their prey, 2) becoming mutualists with food species rather than acting as predators upon them, and 3) changing from a regime of uncontrolled population growth to one of controlled fertility instead. All three processes have been interlinked with cultural evolution and all three ushered in developments of the Anthropocene. Understanding the trajectories that have delivered us to this stage can help guide prudent paths into the future. © 2021 National Academy of Sciences. All rights reserved.
英文关键词	Anthropology; Demographic transition; Logistic and orthologistic growth; Possibilist agenda; Sustainability
语种	英语
scopus关键词	article; controlled study; cultural anthropology; demography; ecology; ecosystem; fertility; food organism; human; nonhuman; population growth; predator; prediction
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/238867
作者单位	College of Biological Sciences, University of Minnesota, Saint Paul, MN 55108, United States; Department of Ecology, Evolution, and Behavior, University of Minnesota, Saint Paul, MN 55108, United States; Institute on the Environment, University of Minnesota, Saint Paul, MN 55108, United States; Division of Science and Mathematics, University of Minnesota, Morris, MN 56267, United States; Department of Anthropology, University of Minnesota, Minneapolis, MN 55455, United States
推荐引用方式 GB/T 7714	Lehman C.,Loberg S.,Wilson M.,et al. Ecology of the Anthropocene signals hope for consciously managing the planetary ecosystem[J],2021,118(28).
APA	Lehman C.,Loberg S.,Wilson M.,&Gorham E..(2021).Ecology of the Anthropocene signals hope for consciously managing the planetary ecosystem.Proceedings of the National Academy of Sciences of the United States of America,118(28).
MLA	Lehman C.,et al."Ecology of the Anthropocene signals hope for consciously managing the planetary ecosystem".Proceedings of the National Academy of Sciences of the United States of America 118.28(2021).