Spanish species per genus from Historical collections as a tool for assessing the global pollination crisis I. Bartomeus J. R. Stavert D. Ward O. Aguado 10.6084/m9.figshare.7171892.v1 https://rs.figshare.com/articles/dataset/Spanish_species_per_genus_from_Historical_collections_as_a_tool_for_assessing_the_global_pollination_crisis/7171892 Number of species per genus sampled at the historical surveys of the 1980's compared with the number of species per genus found in recent resurveys (2016). Note some genus have lost more species than others. 2018-10-05 08:46:59 museums biodiversity global change bees syrphid flies butterflies