It grew worse as Pacific salmon stocks began to decline due to a variety of causes including overfishing, habitat destruction and changing ocean conditions.
(It; grew; worse; T:as Pacific salmon stocks began to decline due to a variety of causes including overfishing, habitat destruction and changing ocean conditions) (Pacific salmon stocks; began; ) (Pacific salmon stocks; to decline; due to a variety of causes including overfishing, habitat destruction and changing ocean conditions)
It Pacific salmon stocks Pacific salmon stocks
grew began to decline
worse T:as Pacific salmon stocks began to decline due to a variety of causes including overfishing, habitat destruction and changing ocean conditions
due to a variety of causes including overfishing, habitat destruction and changing ocean conditions