Increased bacterial load can reduce or negate the effects of keystone individuals on group collective behaviour

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• 作者：Carl N. Keiser ; ^{cnk21@pitt.edu" class="auth_mail" title="E-mail the corresponding author} ; Colin M. Wright ; Jonathan N. Pruitt
• 关键词：Araneae ; bacterial load ; collective behaviour ; keystone individual ; personality ; social spider
• 刊名：Animal Behaviour
• 出版年：2016
• 出版时间：April 2016
• 年：2016
• 卷：114
• 期：Complete
• 页码：211-218
• 全文大小：433 K

文摘

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d="p0010">Keystone individuals exert strong effects over their group's collective behaviours.

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d="p0015">A keystone's influence may be altered as a product of its condition or experiences.

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d="p0020">We tested how exposure to bacteria alters a keystone's influence in a social spider.

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d="p0025">Colonies with exposed keystones had 50% less group-wide participation in foraging.

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d="p0030">Colonies with exposed keystones had an initial reduction in web-building behaviour.

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