 UC Santa Cruz | California's sea otter numbers holding steady UC Santa Cruz Since the 1980s, U.S. Geological Survey scientists have calculated a population index each year for the southern sea otter (Enhydra lutris nereis), a species federally listed as threatened. For 2014, USGS reports the population index as 2,944 ... |
from ocean health index - Google News http://news.google.com/news/url?sa=t&fd=R&ct2=us&usg=AFQjCNG3y5ZOx7NlgNJvm98CBghLr10_4g&clid=c3a7d30bb8a4878e06b80cf16b898331&ei=VGMgVOiSJpDXmAKlyIDgAw&url=http://news.ucsc.edu/2014/09/sea-otter-population.html
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