A trophic cascade induced by predatory ants in a fig-fig wasp mutualism
文献类型：期刊论文
| 作者 | Wang B1,2; Geng XZ1,3; Ma LB4; Cook JM5,6; Wang RW[*]1 |
| 刊名 | JOURNAL OF ANIMAL ECOLOGY
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| 出版日期 | 2014 |
| 卷号 | 83期号:5页码:1149-1157 |
| 关键词 | competitive release fig wasp mutualism predation predator-exclusion experiment trophic cascade |
| 通讯作者 | ruiwukiz@hotmail.com |
| 合作状况 | 其它 |
| 英文摘要 | 1. A trophic cascade occurs when predators directly decrease the densities, or change the behaviour, of herbivores and thus indirectly increase plant productivity. The predator-herbivore-plant context is well known, but some predators attack species beneficial to plants (e. g. pollinators) and/or enemies of herbivores (e.g. parasites), and their role in the dynamics of mutualisms remains largely unexplored. 2. We surveyed the predatory ant species and studied predation by the dominant ant species, the weaver ant Oecophylla smaragdina, associated with the fig tree Ficus racemosa in southwest China. We then tested the effects of weaver ants on the oviposition behaviour of pollinating and non-pollinating fig wasps in an ant-exclusion experiment. The effects of weaver ants on fig wasp community structure and fig seed production were then compared between trees with and without O. smaragdina. 3. Oecophylla smaragdina captured more non-pollinating wasps (Platyneura mayri) than pollinators as the insects arrived to lay eggs. When ants were excluded, more non-pollinators laid eggs into figs and fewer pollinators entered figs. Furthermore, trees with O. smaragdina produced more pollinator offspring and fewer non-pollinator offspring, shifting the community structure significantly. In addition, F. racemosa produced significantly more seeds on trees inhabited by weaver ants. 4. Oecophylla smaragdina predation reverses the dominance of the two commonest wasp species at the egg-laying stage and favours the pollinators. This behavioural pattern is mirrored by wasp offspring production, with pollinators' offspring dominating figs produced by trees inhabited by weaver ants, and offspring of the non-pollinator P. mayri most abundant in figs on trees inhabited by other ants. 5. Overall, our results suggest that predation by weaver ants limits the success of the non-pollinating P. mayri and therefore indirectly benefits the mutualism by increasing the reproductive success of both the pollinators and the plant. Predation is thus a key functional factor that can shape the community structure of a pollinator-plant mutualistic system. |
| 资助信息 | This research was supported by the National Natural Science Foundation of China (31300318, 31170408, 31270433), China Postdoctoral Science Foundation (2013M531993), the National Science Fund for Distinguished Young Scholars (31325005), NSFC-Yunnan United fund (U1302267), the West Light Foundation of the Chinese Academy of Sciences and the Special Fund for the Excellent Youth of the Chinese Academy of Sciences (KSCX2-EW-Q-9). |
| 语种 | 英语 |
| WOS记录号 | WOS:000340877700015 |
| 公开日期 | 2014-10-10 |
| 源URL | [http://159.226.149.42:8088/handle/152453/8019]  |
| 专题 | 昆明动物研究所_实验与理论生态学 昆明动物研究所_遗传资源与进化国家重点实验室 |
| 作者单位 | 1.State Key Laboratory of Genetic Resources and Evolution, Kunming Institute of Zoology, Chinese Academy of Science, Kunming, Yunnan 650223, China 2.Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Menglun 666303, China 3.School of Environmental & Biological Engineering, Nanjing University of Science and Technology, Jiangsu 210094, China 4.School of Life Sciences, Northeast Normal University, Changchun 130024, China 5.Hawkesbury Institute for the Environment, University of Western Sydney, Hawkesbury Campus, Locked Bag 1797, Penrith 2751, NSW, Australia; 6.School of Biological Sciences, University of Reading, Whiteknights, Reading RG6 6AS, UK |
| 推荐引用方式 GB/T 7714 | Wang B,Geng XZ,Ma LB,et al. A trophic cascade induced by predatory ants in a fig-fig wasp mutualism[J]. JOURNAL OF ANIMAL ECOLOGY,2014,83(5):1149-1157. |
| APA | Wang B,Geng XZ,Ma LB,Cook JM,&Wang RW[*].(2014).A trophic cascade induced by predatory ants in a fig-fig wasp mutualism.JOURNAL OF ANIMAL ECOLOGY,83(5),1149-1157. |
| MLA | Wang B,et al."A trophic cascade induced by predatory ants in a fig-fig wasp mutualism".JOURNAL OF ANIMAL ECOLOGY 83.5(2014):1149-1157. |
入库方式： OAI收割
来源：昆明动物研究所
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