Quadrat method is used to investigate the invertebrate communities of rocky intertidal zone. Quadrat size is set at 40 cm × 40 cm.
采用样方调查法对芝罘岛、养马岛和龙须岛岩岸潮间带的无脊椎动物群落进行了系统的生态学研究,样方面积为40cm×40cm。
Each small quadrat must be more homogenerous than the sociation as a whole.
每个小样方必须比整个基群丛更为统一.
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