A National Marine Fisheries Service scientist says attempts at ecosystem
management will have to stretch beyond freshwater environs and into the
ocean if attempts to buoy dwindling salmon populations are to succeed.
Ed Casillas was asked by the Northwest Power Planning Council to present
an update on what is known about the effect of ocean conditions on salmon
survival. He is program manager for estuary and ocean ecology at NMFS’
Northwest Fisheries Science Center in …