Ecology Lab report
10 October 2018
Title: The Impact of the Asian shore crab is having on the population of Green crab, Blue mussels and periwinkle within the intertidal zoneIntroduction.
The report is on the impacts the Asian crab, Hemigrapus sanguine is having on the intertidal ecosystem. This crab has been found from Maine to North Carolina (Delaney et al 2008). It is originally from North -West Pacific, that is an area stretching from Russia to Taiwan (McDermott 1998). Because of enormous commerce activity that goes on by the sea, it is believed that it arrived continental US by shipping routes and by private yachts.
The average size is about 2 inches in width with an alternating black and yellow ban markings in the body to differentiate it from the Green crab. It belongs to the phylum Arthropoda.
This invasive species is an omnivore that feed on everything including Mollusca and native Green crabs. Adapts to various ranges of salinities and temperatures. Its rate of reproduction, the female can produce up to 50,000 eggs at ago help increase the population where ever it lands. The larva can be transported to very long distance during its maturation to adult because they are
This report is meant to addresses the concerns that because of rapid Asian crab population growth and its voracious appetite are out competing the local species, and this led to decline in the population of Green Crab, periwinkle, barnacles and Mollusca