American pika 3 Journal Article 3 Ochotona princeps climate change 2 National Parks 1 Random Forest 1 Research Support, Non-U.S. Gov't 1 mehr ... Research Support, U.S. Gov't, Non-P.H.S. 1 abundance 1 activity 1 biophysical model 1 escalator-to-extinction 1 functional connectivity 1 genetic neighborhood 1 mechanistic model 1 occupancy 1 physiology 1 range retraction 1 realized niche 1 species distribution model 1 species distribution modeling 1 temperature 1 weniger ...