EFFECTIVENESS OF THE CAUDAL SPINE AS A DEFENSE-MECHANISM IN KERATELLA-COCHLEARIS

被引：23

作者：

CONDEPORCUNA, JM ^{[1
]}

MORALESBAQUERO, R ^{[1
]}

CRUZPIZARRO, L ^{[1
]}

机构：

[1] UNIV GRANADA,INST AGUA,E-18071 GRANADA,SPAIN

来源：

HYDROBIOLOGIA | 1993年 / 255卷

关键词：

PREDATION; DEFENSE MECHANISM; ROTIFERA; ZOOPLANKTON;

D O I：

10.1007/BF00025850

中图分类号：

Q17 [水生生物学];

学科分类号：

071004 ;

摘要：

The temporal distribution of spined and unspined forms of Keratella cochlearis in Cubillas reservoir during an annual cycle, and the stomach contents of Asplanchna girodi, were studied. The results suggest that the length of the caudal spine plays a critical role in the defense against predation by Asplanchna girodi. Short-spined forms showed a higher susceptibility to predation than unspined forms, which may have important consequencies for spine length variation in Keratella cochlearis populations.

引用

页码：283 / 287

页数：5

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