A nurse tree cohort of Saguaro cacti in the Sonoran Desert, AZ
Detailed Description
Similar aged saguaros can often be found in groups where nurse trees once stood. Nurse debris remains in place for years after the nurse died. Photo courtesy of Daniel Winkler, USGS SBSC.
Sources/Usage
Public Domain.
Related
The iconic giant saguaro cactus in the Sonoran Desert
The saguaro cactus ( Carnegiea gigantea) is a keystone species that grows only in the Sonoran Desert of northern Mexico and the southwestern United States. The USGS’ Southwest Biological Science Center is working to better understand the species’ biological features, its role as a keystone species that supports greater than 100 other plant and animal species, and its responses to extreme drought...
Related
The iconic giant saguaro cactus in the Sonoran Desert
The saguaro cactus ( Carnegiea gigantea) is a keystone species that grows only in the Sonoran Desert of northern Mexico and the southwestern United States. The USGS’ Southwest Biological Science Center is working to better understand the species’ biological features, its role as a keystone species that supports greater than 100 other plant and animal species, and its responses to extreme drought...