Water Wonderland: Importance of the cottonwoods - Sierra Vista Herald

http://www.woodpeckersofeurope.info/?q=great_spotted_woodpecker

Water Wonderland: Importance of the cottonwoods Sierra Vista Herald Evaporation: The trees provide a food source and building material for Beavers, which build dams on the river. These dams back up the water and allow it to seep back into the ground and recharge our aquifer rather than flow downstream only to ... and more »