Journal Article Research Support, Non-U.S. Gov't Cambio ambiental Pieris napi análisis de viabilidad poblacional aquatic biodiversity biodiversity index biodiversity measure black‐swan events comparación de métodos conservación ex situ disease ecology ecología de las enfermedades economic valuation ecosystem functioning environmental change ex situ conservation extinction risk extirpation extreme climatic events food webs geometric mean hot drought indicator insect declines management matrix population model media geométrica medida de la biodiversidad