Corpus ID: 15262499

Do Hatchery Salmon Affect the North Pacific Ocean Ecosystem ?

  title={Do Hatchery Salmon Affect the North Pacific Ocean Ecosystem ?},
  author={W. Heard},
  • W. Heard
  • Published 1998
  • Releases of hatchery-reared anadromous salmon into the North Pacific Ocean are currently estimated between 5 and 6 billion juveniles per year. Wild spawning salmon may produce an additional 4 to 5 times this number of juveniles. With as many as 25 billion juvenile Pacific salmon annually entering the ocean and currently producing over 1. 0 million mt of returning adults, salmon survival and production in the North Pacific Ocean is currently at historically high levels in spite of depressed runs… CONTINUE READING
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