AN IMPROVED SUPRABENTHIC AND EPIBENTHIC SLEDGE FOR CATCHING PERACARIDA (CRUSTACEA, MALACOSTRACA)

被引：123

作者：

BRANDT, A ^{[1
]}

BARTHEL, D ^{[1
]}

机构：

[1] CHRISTIAN ALBRECHTS UNIV KIEL,INST MARINE BIOL,D-24105 KIEL,GERMANY

来源：

OPHELIA | 1995年 / 43卷 / 01期

关键词：

NEW SLEDGE; EPIBENTHOS; SUPRABENTHOS; CRUSTACEA; PERACARIDA;

D O I：

10.1080/00785326.1995.10430574

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

A new type of epibenthic sledge is presented, which possesses an additional supranet above the epinet. Both nets are closed by an opening/closing device in the water column. The new construction allows a selective catch of higher suprafauna, which swims 1-1.33 m above the seafloor, and a good discrimination between real suprafauna and epifauna. In total, 79581 Peracarida were sampled at 8 stations at about 75 degrees N and 12 degrees W, off Greenland. Of these, Isopoda were usually the most abundant group in the epinet, Amphipoda in the supranet. At the stations where supra fauna was abundant, the numbers of Mysidacea were usually higher in the epinet than in the supranet, probably due to differences in food supply, i.e. the enrichment of food in the benthic boundary layer.

引用

页码：15 / 23

页数：9

共 30 条

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