التفاصيل البيبلوغرافية
| العنوان: |
Bee and butterfly records indicate diversity losses in western and southern North America, but extensive knowledge gaps remain. |
| المؤلفون: |
Souther, Sara K., Sandor, Manette E., Sample, Martha, Gabrielson, Sara, Aslan, Clare E. |
| المصدر: |
PLoS ONE; 5/15/2024, Vol. 19 Issue 5, p1-23, 23p |
| مصطلحات موضوعية: |
POLLINATORS, BIOTIC communities, BEES, WILDLIFE conservation, GENE flow, ECOLOGICAL impact, TRADITIONAL ecological knowledge |
| مصطلحات جغرافية: |
NORTH America, ATLANTIC Coast (U.S.) |
| مستخلص: |
Pollinator losses threaten ecosystems and food security, diminishing gene flow and reproductive output for ecological communities and impacting ecosystem services broadly. For four focal families of bees and butterflies, we constructed over 1400 ensemble species distribution models over two time periods for North America. Models indicated disproportionally increased richness in eastern North America over time, with decreases in richness over time in the western US and southern Mexico. To further pinpoint geographic areas of vulnerability, we mapped records of potential pollinator species of conservation concern and found high concentrations of detections in the Great Lakes region, US East Coast, and southern Canada. Finally, we estimated asymptotic diversity indices for genera known to include species that visit flowers and may carry pollen for ecoregions across two time periods. Patterns of generic diversity through time mirrored those of species-level analyses, again indicating a decline in pollinators in the western U.S. Increases in generic diversity were observed in cooler and wetter ecoregions. Overall, changes in pollinator diversity appear to reflect changes in climate, though other factors such as land use change may also explain regional shifts. While statistical methods were employed to account for unequal sampling effort across regions and time, improved monitoring efforts with rigorous sampling designs would provide a deeper understanding of pollinator communities and their responses to ongoing environmental change. [ABSTRACT FROM AUTHOR] |
|
Copyright of PLoS ONE is the property of Public Library of Science and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) |
| قاعدة البيانات: |
Complementary Index |
Full Text Finder