Journal Article Research Support, Non-U.S. Gov't Research Support, U.S. Gov't, Non-P.H.S. California agriculture N‐mixture model N‐混合模型 Research Support, American Recovery and Reinvestment Act agricultura de California agro-ecology agroecology agroecología behavioral variation bird cambio de uso de suelo climate change diversified farming system ecología tropical environmental gradient fisiología del paisaje homogenization landscape physiology land‐use change modelo N‐mixture multiple stressors protected area respuesta al estrés sistema de cultivo diversificado stress response tropical tropical ecology