Home > General > Sharp Drop In Sardines Threatens California Ecosystem

Sharp Drop In Sardines Threatens California Ecosystem

January 12, 2014 Leave a comment Go to comments

Ann Novek( Luure)--With the Sky as the Ceiling and the Heart Outdoors

There has been a noticeable drop in Pacific sardine numbers off the coast of California in recent years.   The number of sardines has also dropped dramatically off the coast of Mexico as well.  Many fishermen have been returning with empty boats after going out to fish for the entire day.  Sardine numbers frequently rise and fall, sometimes sharply, but this decline appears to be worse than usual.  It appears that the population of sardines has dropped 72% from assessed 2006 levels.

The cause of the decline is not exactly known, but climate change seems to be a primary factor.  Natural cold-water oscillations circulate cold water back and forth along the California coast.  These oscillations often bring in more species such as squid and anchovies, but rebuff small fish species like sardines.  The boom in squid has resulted in higher numbers of marine mammals, such as whales and orcas and birds…

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