THE CONTRIBUTION OF ATMOSPHERIC WATER-VAPOR TO THE FORMATION AND EFFICIENCY OF A SPIDERS CAPTURE WEB

被引：80
|
作者：
EDMONDS, DT [1 ]
VOLLRATH, F [1 ]
机构：
[1] DEPT ZOOL, OXFORD OX1 3PS, ENGLAND
来源：
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES | 1992年 / 248卷 / 1322期
关键词：
D O I：
10.1098/rspb.1992.0055
中图分类号：
Q [生物科学];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
The dynamics of the formation of the glue droplets on the spiral capture threads of orb spiders is studied theoretically, and the predictions confirmed experimentally. They are dominated by a dynamic equilibrium between water in the glue and the water vapour in the air. Much of the water in the glue is extracted from the air, and the ingestion of the web forms a significant contribution to the daily water intake by the spider. The adhesive properties of the capture thread are much enhanced by droplet formation.
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页码：145 / 148
页数：4
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