The Ecology and Distribution of Rock-Boring Pelecypods off Del Monte Beach, Monterey, California.
NAVAL POSTGRADUATE SCHOOL MONTEREY CALIF
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Divers using SCUBA gear gathered and identified rock-boring pelecypods found in the subtidal outcrops of Monterey silicious shale off Del Monte Beach, Monterey, California. Underwater photographs were taken of all the recognizable species present. A species distribution and mapping survey was made along two transects, one of which would be subjected to radical ecological change after isolation from the open sea by a proposed breakwater project. Most species found are common to both transects. Their distribution is variable and depends to a great extent on the character of the substrate, which varies from soft, carbonate-rich mudstone to chert. However, within this framework of distribution dependent on substrate, there are inconsistencies which remain unresolved. Author