Journal Article climate change GBIF Research Support, Non-U.S. Gov't agricultural intensification arthropod biodiversity biodiversity change bioindicadores bioindicators butterflies cambio climático cross-taxon declinaciones de insectos floristic turnover generalism global change habitat loss heterogeneous data insect declines intensificación agrícola lepidoptera long term macroecology metacommunity monitoring occupancy model occurrence records population trends reporting bias