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DOI: 10.1371/journal.pone.0138321
论文题名:
The Role of Non-Foraging Nests in Polydomous Wood Ant Colonies
作者: Samuel Ellis; Elva J. H. Robinson
刊名: PLOS ONE
ISSN: 1932-6203
出版年: 2015
发表日期: 2015-10-14
卷: 10, 期:10
语种: 英语
英文关键词: Foraging ; Ants ; Trees ; Wood ; Predation ; Hunting behavior ; Invasive species ; Seasons
英文摘要: A colony of red wood ants can inhabit more than one spatially separated nest, in a strategy called polydomy. Some nests within these polydomous colonies have no foraging trails to aphid colonies in the canopy. In this study we identify and investigate the possible roles of non-foraging nests in polydomous colonies of the wood ant Formica lugubris. To investigate the role of non-foraging nests we: (i) monitored colonies for three years; (ii) observed the resources being transported between non-foraging nests and the rest of the colony; (iii) measured the amount of extra-nest activity around non-foraging and foraging nests. We used these datasets to investigate the extent to which non-foraging nests within polydomous colonies are acting as: part of the colony expansion process; hunting and scavenging specialists; brood-development specialists; seasonal foragers; or a selfish strategy exploiting the foraging effort of the rest of the colony. We found that, rather than having a specialised role, non-foraging nests are part of the process of colony expansion. Polydomous colonies expand by founding new nests in the area surrounding the existing nests. Nests founded near food begin foraging and become part of the colony; other nests are not founded near food sources and do not initially forage. Some of these non-foraging nests eventually begin foraging; others do not and are abandoned. This is a method of colony growth not available to colonies inhabiting a single nest, and may be an important advantage of the polydomous nesting strategy, allowing the colony to expand into profitable areas.
URL: http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0138321&type=printable
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/22613
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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作者单位: Department of Biology, University of York, York, YO10 5DD, United Kingdom;York Centre for Complex Systems Analysis, University of York, York, YO10 5DD, United Kingdom;Department of Biology, University of York, York, YO10 5DD, United Kingdom;York Centre for Complex Systems Analysis, University of York, York, YO10 5DD, United Kingdom

Recommended Citation:
Samuel Ellis,Elva J. H. Robinson. The Role of Non-Foraging Nests in Polydomous Wood Ant Colonies[J]. PLOS ONE,2015-01-01,10(10)
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