Kniha Dynamic Changes in Marine Ecosystems Division on Earth and Life Studies

Dynamic Changes in Marine Ecosystems

Fishing, Food Webs, and Future Options

Jazyk: Angličtina
Väzba: Brožovaná
Dostupnosť: 50 % šanca
Prehľadáme celý svet
58.04
Recent scientific literature has raised many concerns about whether fisheries have caused more exten...

Informácie o knihe

Jazyk
Angličtina
Väzba
Kniha - Brožovaná
Vydalo
2006
Stránok
154
EAN
9780309100502
ISBN
030910050X
Enbook ID
04578376
Hmotnosť
294
Rozmery
152 x 229

Kompletný popis

Recent scientific literature has raised many concerns about whether fisheries have caused more extensive changes to marine populations and ecosystems than previously realized or predicted. In many cases, stocks have been exploited far beyond management targets, and new analyses indicate that fishing has harmed other species - including marine mammals, seabirds, sea turtles, and sea grasses - either directly through catch or habitat damage, or indirectly through changes in food-web interactions. At the request of the National Oceanic and Atmospheric Administration, the National Research Council conducted an independent study to weigh the collective evidence for fishery-induced changes to marine ecosystems and the implications of the findings for U.S. fisheries management. "Dynamic Changes in Marine Ecosystems" provides comprehensive information in regard to these findings.

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