摘要
1985年5—6月对黄河口及其邻近海域的27个站进行了大型底栖动物的首航次定量调查。分别对18种环境因子和68个优势种和习见种所做的聚类分析显示了黄河口水下三角洲与邻近海域的某些差异,并联系沉积环境将所研究海域划分为四个区:黄河口水下三角洲、莱州湾、渤海中部和渤海湾东部。对大型底栖动物与沉积速率的关系也做了初步探讨。
The bcnthic macrofauna were quantitatively investigated in the first cruise in the submarine delta of the Huanghe River estuary and its adjacent waters at 27 stations during the dry season, May-June, 1985. The cluster analysis of 18 environmental factors and 68 dominant and common species showed the distinct difference between the submarine delta and adjacent waters. Together with the sedimentary environment, four fauna areas could be identified in the investigation area: 1) The area of submarine delta; 2) The area of Laizhou Bay; 3) The area of central Bohai Sea; and 4) The area of eastern Bohai Bay The relationship between the macrofauna and the sedimentary rate was discussed.
关键词
底栖
动物
沉积环境
聚类分析
Huanghe estuary
macrofauna
cluster analysis
sedimentary environment
