ArticleProceedings of the National Academy of Sciences of the United States of America2023
Fossil leaves reveal drivers of herbivore functional diversity during the Cenozoic.
Article in Proceedings of the National Academy of Sciences of the United States of America, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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4 citing papers in PubMed.
- Constant herbivory rates and plant-herbivore interactions along a resource availability gradient in South African fynbos.Oecologia · 2025Article
- The modern pattern of insect herbivory predates the advent of angiosperms by 60 My.Proceedings of the National Academy of Sciences of the United States of America · 2025Article
- Drivers of herbivore diversity decoupled by leveraging the fossil record.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
- Fossil leaves reveal drivers of herbivore functional diversity during the Cenozoic.Proceedings of the National Academy of Sciences of the United States of America · 2023Article
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4 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Herbivorous arthropods are the most diverse group of multicellular organisms on Earth. The most discussed drivers of their inordinate taxonomic and functional diversity are high niche availability associated with the diversity of host plants and dense niche packing due to host partitioning among herbivores. However, the relative contributions of these two factors to dynamics in the diversity of herbivores throughout Earth's history remain unresolved. Using fossil data on herbivore-induced leaf damage from across the Cenozoic, we infer quantitative bipartite interaction networks between plants and functional feeding types of herbivores. We fit a general model of diversity to these interaction networks and discover that host partitioning among functional groups of herbivores contributed twice as much to herbivore functional diversity as host diversity. These findings indicate that niche packing primarily shaped the dynamics in the functional diversity of herbivores during the past 66 my. Our study highlights how the fossil record can be used to test fundamental theories of biodiversity and represents a benchmark for assessing the drivers of herbivore functional diversity in modern ecosystems.
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