DIEL FEEDING-BEHAVIOR IN THE MARINE COPEPOD ACARTIA-TONSA IN RELATION TO FOOD AVAILABILITY

被引:93
作者
DURBIN, AG [1 ]
DURBIN, EG [1 ]
WLODARCZYK, E [1 ]
机构
[1] UNIV TEXAS, HLTH SCI CTR, DEPT PATHOL, HOUSTON, TX 77225 USA
关键词
D O I
10.3354/meps068023
中图分类号
Q14 [生态学(生物生态学)];
学科分类号
071012 ; 0713 ;
摘要
Diel feeding pattern was remarkably stable under the different food conditions and temperatures, maintaining about a 3-fold amplitude in gut contents and feeding rate over the diel period. The diel rhythm was retained even when the copepods were food limited and lost c20% body carbon during the course of the 24 h experiment. The persistence of the diel feeding rhythm in A. tonsa under starvation implies a strong selective pressure, possibly related to predator avoidance. -from Authors
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页码:23 / 45
页数:23
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