Climate change, Environmental aspects, Climatic changes, Research, global climate change, Animal populations, Rodents, Mammals, El Niño, Population biology, Small mammals, Field study, Chile, population fluctuations, semiarid small mammals, El Niño Southern Oscillation (ENSO)
Climate change, Global warming, Precipitation variability, Ecology, Conservation biology, Ecosystems, Analysis, Universities and colleges, Rain and rainfall, Wildlife conservation, Animal populations, Rodents, Southern oscillation, Reservoirs, Agricultural pests, Rodentia - physiology, Rainfall measurement