Depth related changes in the composition of marine soft sediment infaunal invertebrate communities - faunal composition data - Casey 2006/07.

Depth related changes in the composition of infaunal invertebrate communities were investigated at two sites in the Windmill Islands around Casey station, East Antarctica, during the 2006/07 summer. Sediment cores (10cm deep x 10cm diameter) were collected from 4 depths (7m, 11m, 17, and 22m) from each of three transects at two sites (McGrady Cove and O'Brien Bay 1). Cores were sieved through a 500 micron mesh and extracted fauna were preserved in 8% formalin and were later counted and identified to species or to morphospecies established through previous infaunal research at Casey. This work was conducted as part of ASAC 2201 (ASAC_2201).

2006/2007年夏季，研究人员于东南极洲凯西站周边的风车群岛两处调查点位，针对底栖无脊椎动物（infaunal invertebrate）群落组成随水深的变化规律展开调查。研究在两处点位（麦克格雷迪湾与奥布莱恩湾1号）各布设三条样带，分别于7m、11m、17m与22m四个水深梯度采集了尺寸为10cm深×10cm直径的沉积物岩芯。将采集的岩芯经500微米孔径筛网冲洗筛分，收集得到的动物标本保存于8%福尔马林溶液中，后续对标本进行计数，并依据凯西站既往底栖动物研究中确立的物种或形态种（morphospecies）完成分类鉴定。本研究作为ASAC 2201（ASAC_2201）项目的一部分实施完成。