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Science 15 December 2000:
Vol. 290. no. 5499, pp. 2045 - 2046
DOI: 10.1126/science.290.5499.2045a
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News of the Week

ECOLOGY/PALEONTOLOGY:
Colorado River Clams Provide Benchmark

Mark Muro

Conservationists have long contended, largely in impressionistic terms, that 70 years of American dam building and water diversion have destroyed the biological richness of the Colorado River delta, a key nursery of marine life at the end of the Southwest's great watercourse. Now researchers have confirmed those suspicions, using an important ecological player--clams--as a quantitative marker.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)