Data of 'Declines in insectivorous birds are associated with high neonicotinoid concentrations'
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In our paper ‘Declines in insectivorous birds are associated with high neonicotinoid concentrations’ (Nature 511:341-343, July 2014) we analyze the spatial distribution of population trends (over the period 2003-2010) of 15 insectivorous bird species that occur in agricultural areas in the Netherlands. We related the trends of 1459 populations with interpolated concentrations of the pesticide imidacloprid in surface waters (with a maximum distance of 5 km between the location of the bird population trend and the nearest location of an imidacloprid concentration measurement), and found a strongly negative correlation. In this repository we provide a detailed R-script (‘analyses.R’) with these statistical analyses. We also archive the bird population trend data underlying the analyses in the paper. The data can be found in three different files: - ‘Lamdas2003_2010.csv’ contains the data for the main analyses in which the bird population trends are related to imidacloprid concentrations and to other changes in the agricultural landscape; - ‘Lamdas2003_2010_distance.csv’ contains a larger set of bird population trends over the same time period and includes …
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