Fig. 7From: BMC Ecology Image Competition 2015: the winning imagesWinner: Landscape Ecology and Ecosystems. “Deserts are alive. The scene pictured captures a time of year when the Sonoran desert in North America becomes an oasis: the winter growing season. Here in Organ Pipe Cactus National Monument in southern Arizona, winter rains, relatively cool temperatures, and overcast skies allow annual plant species to germinate and perennial species to flourish, creating suitable habitat and food for migratory species and year-round inhabitants.” Attribution: David Winkler.Back to article page