Imperiled Waters, Impoverished Future: The Decline of Freshwater Ecosystems (Worldwatch Paper, 128)
Autor:
Verlag:
Worldwatch Inst
Jahr:
1996
Seitenzahl:
80
ISBN:
9781878071309
Medium:
Taschenbuch
Sprache:
Englisch
Zustandsbeschreibung
Papier nachgedunkelt, Ecken leicht angestoßen
Artikelbeschreibung
Rivers, lakes, and wetlands are our richest ecosystems. Forty-one percent of all fish species live in th 1% of the earth's surface that is fresh water. These ecosystems are also the most imperiled - with at least 20% of all freshwater fish species extinct, or at risk - a cataclysm for biological diversity and for humankind.
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Schlagworte
k.A.