Over-fishing, poor water quality, and inaccessibility to spawning grounds led to the extinction of at least one species of indigenous trout.
(Over-fishing, poor water quality, and inaccessibility to spawning grounds; led; to the extinction of at least one species of indigenous trout)
Over-fishing, poor water quality, and inaccessibility to spawning grounds
led
to the extinction of at least one species of indigenous trout