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Papers

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Estimating species distributions from spatially biased citizen science data

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Published: 2020

Birdwatchers travel further to sites with rarer species, creating spatial bias. For 138 bird species we ran occupancy models for spatially biased and unbiased data. On average, occupancy estimates from spatially biased and unbiased data were aligned. We added weights to occupancy models, describing the probability of sampling. In areas with low sampling density, weights improved accuracy, but not precision.

05.03.20

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