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Exploring spatiotemporal variation in migration phenology


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View the full blog post on eBird

Allen Hurlbert and Zhongfei Liang recently used eBird data to publish a paper entitled "Spatiotemporal Variation in Avian Migration Phenology: Citizen Science Reveals Effects of Climate Change", which appears in the journal PLoS One. Allen wanted to thank the eBird community, and provided the following overview of the article: "Your eBird observations continue to help shed light on fundamental questions regarding avian ecology and distribution. You've already seen the amazing animated occurrence maps that the Cornell Lab of Ornithology has developed. With former UNC undergrad Zhongfei Liang, I recently used eBird data for a slightly different purpose: we examined the extent to which birds have been shifting the timing of spring migration in response to year-to-year variation in spring temperature over the past 10 years and at sites throughout eastern North America. We found what many of you have undoubtedly observed yourselves--that many species, like the Red-eyed Vireo and Scarlet Tanager, are arriving earlier in warm years and later in cold years. Other species, however, such as the Barn Swallow and Eastern Wood-Pewee, do not seem to be as able to adapt to this variation in climate, and their populations may be suffering as a result."

The blog post describes research published in:

Hurlbert AH, Liang Z (2012) Spatiotemporal Variation in Avian Migration Phenology: Citizen Science Reveals Effects of Climate Change. PLoS ONE 7(2): e31662. doi:10.1371/journal.pone.0031662
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