One of the consequences of a warmer climate can be that lowland and southern plants migrate higher up in the mountains. Ecologists now show that reindeer, voles and hare can prevent these invasions.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/O...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/O...