Water striders are insects living on the water surface, over which they can move very quickly and rarely get wetted. We ......

利用多维排序尺度（ MDS）、典范对应分析（ CCA ）、以及Shannon-Wiener多样性指数（ H′）、Pielou均匀度指数（ J）、Margalef种类丰度指数（ d）等......