A DEPTH-RELATED DISTRIBUTION OF THE RED CRAB, GERYON-TRISPINOSUS (HERBST) [= GERYON-TRIDENS KROYER] - INDICATIONS OF VERTICAL MIGRATION

被引：27

作者：

ATTRILL, MJ ^{[1
]}

HARTNOLL, RG ^{[1
]}

RICE, AL ^{[1
]}

THURSTON, MH ^{[1
]}

机构：

[1] INST OCEANOG SCI,DEACON LAB,GODALMING GU8 5UB,SURREY,ENGLAND

来源：

PROGRESS IN OCEANOGRAPHY | 1990年 / 24卷 / 1-4期

关键词：

D O I：

10.1016/0079-6611(90)90030-6

中图分类号：

P7 [海洋学];

学科分类号：

0707 ;

摘要：

A study of the red crab, Geryon tripinosus, in the Porcupine Seabight has revealed a striking depth related distribution, with a decrease in crab size with increasing depth. The data suggest that the species' breeding population is restricted to the upper levels of its total bathymetric range. Successful settlement of the post-larval stages appears to be concentrated at depths of 1000m or deeper, with a consequent up-slope ontogenetic migration of some tens of kilometres. Possible advantages of such as migration and the use of environmental cues for its orientation are discussed. © 1990.

引用

页码：197 / 206

页数：10

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