Extracting robust trends in species’ distributions from unstructured opportunistic data: a comparison of methods
Nick J.B. Isaac, Arco J. van Strien, Tom A. August, Marnix P. de Zeeuw, David B. Roy
This paper compares methods for estimating biodiversity trends from opportunistic data, finding that simple methods are biased and only sophisticated methods can reliably detect trends.
bioRxiv · Jul 10, 2014 · PreprintEcology