ArticleProceedings. Biological sciences2022
Biodiversity cradles and museums segregating within hotspots of endemism.
Article in Proceedings. Biological sciences, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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Who cites it
11 citing papers in PubMed.
- Latitudinal Clines in Gene Flow and Demographic Stability Reveal Drivers of Microendemism in a Radiation of Alpine Grasshoppers.Molecular ecology · 2026Article
- Pollination ecology in the tropical Andes: moving towards a cross-scale approach.Biological reviews of the Cambridge Philosophical Society · 2025Review
- Geographic range shapes influence species richness in global hotspots.Science advances · 2025Article
- Tracking Small Animals in Complex Landscapes: A Comparison of Localisation Workflows for Automated Radio Telemetry Systems.Ecology and evolution · 2024Article
- Challenges in estimating species' age from phylogenetic trees.Global ecology and biogeography : a journal of macroecology · 2024Article
- Idiosyncratic patterns of local species richness and turnover define global biodiversity hotspots.Proceedings of the National Academy of Sciences of the United States of America · 2024Article
- Climate Change Habitat Model Forecasts for Eight Owl Species in the Southwestern US.Animals : an open access journal from MDPI · 2023Article
- Unveiling evolutionary cradles and museums of flowering plants in a neotropical biodiversity hotspot.Royal Society open science · 2023Article
- Article
- OnZooKeys · 2023Article
- Biodiversity cradles and museums segregating within hotspots of endemism.Proceedings. Biological sciences · 2022Article
Corrections and comments
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The immense concentrations of vertebrate species in tropical mountains remain a prominent but unexplained pattern in biogeography. A long-standing hypothesis suggests that montane biodiversity hotspots result from endemic species aggregating within ecologically stable localities. Here, the persistence of ancient lineages coincides with frequent speciation events, making such areas both 'cradles' (where new species arise) and 'museums' (where old species survive). Although this hypothesis refers to processes operating at the scale of valleys, it remains supported primarily by patterns generated from coarse-scale distribution data. Using high-resolution occurrence and phylogenetic data on Andean hummingbirds, we find that old and young endemic species are not spatially aggregated. The young endemic species tend to have non-overlapping distributions scattered along the Andean treeline, a long and narrow habitat where populations easily become fragmented. By contrast, the old endemic species have more aggregated distributions, but mainly within pockets of cloud forests at lower elevations than the young endemic species. These findings contradict the premise that biogeographical cradles and museums should overlap in valley systems where pockets of stable climate persist through periods of climate change. Instead, Andean biodiversity hotspots may derive from large-scale fluctuating climate complexity in conjunction with local-scale variability in available area and habitat connectivity.
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