Study of shore crab response to intertidal stimuli
INTRODUCTION-
Since its itroduction to the New Jersey shore in 1988, the western Pacific shore
crab Hemigrapsus sanguineus has spread to inhabit rocky intertidal locations along the
Atlantic coast from Massachusetts to North Carolina (McDermott 1998). Many reasons
have been proposed to explain the rapid spread of this non-indiginous species. For
example, it has been shown that H. sanguineus has longer spawning periods along the
mid-Atlantic coast than it does in its natural habitat in the western …
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…Atlantic coast of the United States.
The survival rate of those species should then be plotted against the survival rate of H.
sanguineus to determine if any have a selective advantage over one another, in terms of
durability to extreme conditions. This experiment could present more evidence to further
prove that tolerance to temperature and salinity variations is an important factor in the
spread of H. sanguineus along the Atlantic Coast of the United States.
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