Sunday, 12 January 2014

Tourists Chipping Away at Sea Shells

Tim Wall, Discovery News | January 09, 2014 04:02pm ET

While tourists trod the beaches in southern Spain from July to August, seashell abundance declined by 70 percent, according to a study published Wednesday in PLOS ONE. Even in the off-season, shell numbers on Llarga Beach declined by 60 percent. These seasonal declines formed part of a 30-year drop in shell abundance.

“It’s too early to tell whether this depletion is substantial enough to trigger major environmental changes,” said lead author Michal Kowalewski, of the Florida Museum. “However, our results suggest that we should not ignore this issue.”

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