Poor fish harvests more frequent now off California coast

26 septiembre 2014

In the past 600 years off the California coast, occasional episodes of diminished ocean upwelling that cause fish populations to crash have occurred naturally. The poor yearly fish harvests seen in the last 60 years aren’t any worse in severity than earlier, but are happening more frequently.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/lAEhG3qaSIM/140926141016.htm

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