717 followers
Research finds that barriers just 2m high restricted #fish #migration, and 4m high causes upstream extirpation #dams http://t.co/FH18NWyGzy
Research finds that barriers just 2m high restricted #fish #migration, and 4m high causes upstream extirpation #dams http://t.co/FH18NWyGzy
Research finds that barriers just 2m high restricted #fish #migration, and 4m high causes upstream extirpation #dams http://t.co/FH18NWyGzy
#biology #environment Even small dams impede #fish movements, data show. Heads up, resource managers. http://t.co/Htue9PUGOq