The National Geographic Magazine, Volume 204National Geographic Society., 2003 - Geography |
From inside the book
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Page 105
... wild salmon that migrate up the country's 650 salmon rivers to spawn . Now there is growing evidence that pen - raised Atlantic salmon are threatening their wild breth- ren . If so , aquaculture would be the latest in a long line of ...
... wild salmon that migrate up the country's 650 salmon rivers to spawn . Now there is growing evidence that pen - raised Atlantic salmon are threatening their wild breth- ren . If so , aquaculture would be the latest in a long line of ...
Page 110
... wild popula- tions - until the farms be- gan threatening wild fish . The tightly packed pens prove an ideal breeding ground for sea lice ( above , trailing egg strings ) , natu- rally occurring parasites that have devastated some salmon ...
... wild popula- tions - until the farms be- gan threatening wild fish . The tightly packed pens prove an ideal breeding ground for sea lice ( above , trailing egg strings ) , natu- rally occurring parasites that have devastated some salmon ...
Page 118
... wild and farmed fish interbreed . The concern is that a hybrid fish , poorly adapted to life in the wild , will one day spread across the Atlantic . Studies have also found that farmed salmon do not reproduce in the wild nearly as well ...
... wild and farmed fish interbreed . The concern is that a hybrid fish , poorly adapted to life in the wild , will one day spread across the Atlantic . Studies have also found that farmed salmon do not reproduce in the wild nearly as well ...
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