ArticleNature communications2022
Late quaternary biotic homogenization of North American mammalian faunas.
Article in Nature communications, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Millennia of Metacommunity Diversification and Homogenization Captured by Sedimentary Ancient DNA.Ecology letters · 2025Article
- Effects of phylogenetic distance, niche overlap and habitat alteration on spatial co-occurrence patterns in Neotropical bats and birds.Proceedings. Biological sciences · 2025Article
- Two major ecological shifts shaped 60 million years of ungulate faunal evolution.Nature communications · 2025Article
- Trait-mediated speciation and human-driven extinctions in proboscideans revealed by unsupervised Bayesian neural networks.Science advances · 2024Article
- Floristic homogenization of South Pacific islands commenced with human arrival.Nature ecology & evolution · 2024Article
- Functional stasis and changing habitat preferences among mammalian communities from the PETM of the Bighorn Basin, Wyoming.Cambridge prisms. Extinction · 2024Article
- Situating defaunation in an operational framework to advance biodiversity conservation.Bioscience · 2023Article
- After the mammoths: The ecological legacy of late Pleistocene megafauna extinctions.Cambridge prisms. Extinction · 2023Review
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Authors and funding
21 authors.
Funding
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Abstract
Biotic homogenization-increasing similarity of species composition among ecological communities-has been linked to anthropogenic processes operating over the last century. Fossil evidence, however, suggests that humans have had impacts on ecosystems for millennia. We quantify biotic homogenization of North American mammalian assemblages during the late Pleistocene through Holocene (~30,000 ybp to recent), a timespan encompassing increased evidence of humans on the landscape (~20,000-14,000 ybp). From ~10,000 ybp to recent, assemblages became significantly more homogenous (>100% increase in Jaccard similarity), a pattern that cannot be explained by changes in fossil record sampling. Homogenization was most pronounced among mammals larger than 1 kg and occurred in two phases. The first followed the megafaunal extinction at ~10,000 ybp. The second, more rapid phase began during human population growth and early agricultural intensification (~2,000-1,000 ybp). We show that North American ecosystems were homogenizing for millennia, extending human impacts back ~10,000 years.
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