What determines spatial bias in citizen science ? Exploring four recording schemes with different proficiency requirements
نویسندگان
چکیده
Center for Macroecology, Evolution and Climate, Natural History Museum of Denmark, University of Copenhagen, Universitetsparken 15, 2100 Copenhagen E, Denmark, Department of Bioscience, Aarhus University, Grenaavej 14, 8410 Roende, Denmark, Dansk Ornitologisk Forening BirdLife Denmark, Vesterbrogade 140, 1620 Copenhagen V, Denmark, Laboratory for Applied Statistics, Department of Mathematical Sciences, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen E, Denmark, Natural History Museum Aarhus, Wilhelm Meyers All e 210, 8000 Aarhus C, Denmark, Imperial College London, Silwood Park, Buckhurst Road, Ascot, Berkshire, SL5 7PY, UK
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