19 febrero 2015
Simply removing cattle may be all that is required to restore many degraded riverside areas in the American West, although this can vary and is dependent on local conditions, researchers have found after comparing repeat photographs to assess rehabilitation of Oregon wildlife refuge. The team analyzed photographs to gauge how the removal of grazing cattle more than two decades ago from Hart Mountain National Antelope Refuge in eastern Oregon has helped to rehabilitate the natural environment.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/2RBQGIWEIR8/150219101459.htm
