Behavior of Colonial Orb‐weaving Spiders during a Solar Eclipse

Behavior of Colonial Orb‐weaving Spiders during a Solar Eclipse
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日食期间殖民地圆织蜘蛛的行为

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发表时间：
2010
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影响因子：
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通讯作者：
Alison M. Mostrom
Alison M. Mostrom
中科院分区：
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文献类型：
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作者：
G. Uetz;C. Hieber;E. Jakob;R. Wilcox;David E Kroeger;A. McCrate;Alison M. Mostrom

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1991 年 7 月 11 日日全食期间，研究人员对墨西哥热带韦拉克鲁斯州的群居圆网蜘蛛 (Metepeira incrassata) 的行为进行了研究。在日全食发生之前，蜘蛛的行为方式与日常活动类似，许多蜘蛛开始解网。太阳再现后，大多数已经开始织网的蜘蛛会重新织网。在不同群体大小的总体期间，蜘蛛的总体活动模式没有显着差异。在全食期间对部分群体的实验照明改变了网的拆除行为。当完全黑暗中的蜘蛛开始解网时，那些被人工照明的蜘蛛却没有。这些观察结果表明，负责该物种结网行为日常节奏的主要环境线索是光照水平。
The behavior of colonial orb-weaving spiders (Metepeira incrassata) in tropical Veracruz, Mexico was studied during the total solar eclipse on July 11, 1991. Spiders behaved in a manner typical of daily activity until totality, when many began taking down webs. After solar reappearance, most spiders that had begun taking down webs rebuilt them. There was no significant difference in the overall activity patterns of spiders during totality across a range of colony sizes. Experimental illumination of part of a colony during totality altered web takedown behavior. While spiders in the darkness of totality began to take down webs, those spiders which were artificially illuminated did not. These observations suggest that the primary environmental cue responsible for the daily rhythm of web building behavior in this species is light level.