Green crab (Carcinus maenas) density at rocky intertidal sites determined at 8 sites in the Gulf of Maine from April 2019 to December 2021

This dataset describes green crab (Carcinus maenas) density at rocky intertidal sites in the northern (4 sites) and southern (4 sites) Gulf of Maine.本数据集记录了缅因湾北部（4个采样位点）与南部（4个采样位点）的岩质潮间带生境中绿蟹（Carcinus maenas）的种群密度。