Endangered Humpback Chub Population in Grand Canyon Stabilizing: "Recently collected data for endangered humpback chub (Gila cypha) in Grand Canyon suggest that the population of adult fish (age 4+) may be stabilizing after more than a decade of decline, according to biologists with the U.S. Geological Survey´s (USGS) Southwest Biological Science Center."
Thursday, August 03, 2006
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