Data from: Spatio-temporal responses of predators to hyperabundant geese affect risk of predation for sympatric-nesting species ...
The Arctic is undergoing rapid changes, with anthropogenic shifts in climate having important and well-documented impacts on habitat. Populations of predators and their prey are affected by changing climate and other anthropogenic factors, and these changing trophic interactions could have profound...
| Main Authors: | , , , , , |
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| Format: | Dataset |
| Language: | English |
| Published: |
Dryad
2019
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| Subjects: | |
| Online Access: | https://dx.doi.org/10.5061/dryad.2t64448 https://datadryad.org/stash/dataset/doi:10.5061/dryad.2t64448 |
| Summary: | The Arctic is undergoing rapid changes, with anthropogenic shifts in climate having important and well-documented impacts on habitat. Populations of predators and their prey are affected by changing climate and other anthropogenic factors, and these changing trophic interactions could have profound effects on breeding populations of Arctic birds. Variable abundance of lemmings (a primary prey of generalist Arctic predators) and increasing abundance of light geese (Lesser Snow and Ross’ Geese; a secondary prey) could have negative consequences for numerous sympatric shorebirds (an incidental prey). Using 16 years of predator-prey observations and 13-years of shorebird nest survival data at a site near a goose colony we identify relationships among geese, lemmings, and their shared predators and then relate predator indices to shorebird risk of nest predation. During two years, we also placed time-lapse cameras and artificial shorebird nests at increasing distances from a goose colony to document spatial ... : artificial nest survival dataArtificial nest survival data for 2015 and 2016 at East Bay Mainland and Coats Island.artificial nest survival.xlsCamera predator observationsPredator observations on trail cameras at East Bay Mainland and Coats Island in 2015 and 2016.Camera indices.xlsYearly observation indicesObservations of lemmings, predators, and geese per 8-hour observer day at East Bay Mainland. ... |
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