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<p>Scientific collections are essential for documenting biodiversity and have long supported studies of taxonomy, pathobiology, biogeography, ecology, evolution, zoonotic disease dispersion, conservation biology, contaminant biology, and climate change. These collections record historical spatiotemporal patterns and provide both geographic and taxonomic representation of mammal diversity. The aim of this study is to analyze North American collections to evaluate their holdings and assess shifts in priorities over time, region, and mammalian taxa. This study performed an extensive search of North American mammal records in the VertNet database (<a href="http://vertnet.org/">http://vertnet.org/</a>) and evaluated the temporal, geographic, and taxonomic representation over 218 years (1800 to 2018). The study area encompassed the entire North American subcontinent, including Canada, the United States, and Mexico. Our findings indicate non-random, heterogeneous temporal variation related to historical events, including socioeconomic and political changes such as wars, expeditions, and the establishment of universities, which is concentrated in certain taxonomic groups, geographic and political regions, and relatively limited time periods.</p>

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Historical trends and biases in North American mammal scientific collections (1800–2018)

  • 期刊论文

  • 发表日期：

    2026年2月21日

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  • Leticia Cab-Sulub,
  • Alina Gabriela Monroy-Gamboa,
  • Sergio Ticul Álvarez-Castañeda

摘要

Scientific collections are essential for documenting biodiversity and have long supported studies of taxonomy, pathobiology, biogeography, ecology, evolution, zoonotic disease dispersion, conservation biology, contaminant biology, and climate change. These collections record historical spatiotemporal patterns and provide both geographic and taxonomic representation of mammal diversity. The aim of this study is to analyze North American collections to evaluate their holdings and assess shifts in priorities over time, region, and mammalian taxa. This study performed an extensive search of North American mammal records in the VertNet database (http://vertnet.org/) and evaluated the temporal, geographic, and taxonomic representation over 218 years (1800 to 2018). The study area encompassed the entire North American subcontinent, including Canada, the United States, and Mexico. Our findings indicate non-random, heterogeneous temporal variation related to historical events, including socioeconomic and political changes such as wars, expeditions, and the establishment of universities, which is concentrated in certain taxonomic groups, geographic and political regions, and relatively limited time periods.