Arid
DOI10.1017/S0266467406003622
Worker size and seed size selection in ’seed’-collecting ant ensembles (Hymenoptera : Formicidae) in primary rain forests on Borneo
Pfeiffer, Martin; Nais, Jamili; Linsenmair, K. Eduard
通讯作者Pfeiffer, Martin
来源期刊JOURNAL OF TROPICAL ECOLOGY
ISSN0266-4674
EISSN1469-7831
出版年2006
卷号22页码:685-693
英文摘要

’size matching’ of forager size and prey size is an ecological mechanism that should partition diets both within ant colonies and ensembles. We studied the relationship between ant body size and food size in tropical leaf-litter ant ensembles at different levels. In three plots of primary rain forest in Sabah, Malaysia, we observed altogether 50 species of 18 genera of ants (e.g. Pheidole, Recurvidris, Lophomyrmex, Paratrechina, Odontoponera) that harvested seed particles from baits of milled rice of various particle size. At colony level ’size matching’ of individual foragers with their load was found only in one of 12 tested species, viz. Pheidole lucioccipitalis. However, ant species differed considerably with respect to ’seed’ size used: on average, foragers of larger species transported significantly larger ’seed’ fragments. This was highly significant in a subset of ant species with at least 12 records of size choice per species. But when we investigated resource partitioning within each of the three ant ensembles with a null model, analysis proved that there was a significant overlap in seed size selection of species at two of the sites, thus indicating that food size choice of foragers had little influence on niche patterns and community structure of ants. Ant species with workers that were not matched with their seed resources (viz. Oligomyrmex or Pheidologeton) engaged in cooperative ’seed’ transport, mass recruitment to and in situ mastication of rice fragments. Mean ’seed’ transport distance was 38.4 cm.


英文关键词ant-seed interaction community ecology dispersal null model Pheidole predation resource partioning size matching South East Asia tropical forest
类型Article
语种英语
国家Germany ; Malaysia
收录类别SCI-E
WOS记录号WOS:000242132900008
WOS关键词COMMUNITY ORGANIZATION ; SPECIES RICHNESS ; HARVESTING ANTS ; REMOVAL ; DISPERSAL ; DISTANCE ; DESERT ; IMPACT ; SABAH
WOS类目Ecology
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/152400
作者单位(1)Univ Ulm, Dept Expt Ecol, D-89069 Ulm, Germany;(2)Sabah Parks, Kota Kinabalu 88806, Sabah, Malaysia;(3)Univ Wurzburg, Dept Anim Ecol & Trop Biol, D-97074 Wurzburg, Germany
推荐引用方式
GB/T 7714
Pfeiffer, Martin,Nais, Jamili,Linsenmair, K. Eduard. Worker size and seed size selection in ’seed’-collecting ant ensembles (Hymenoptera : Formicidae) in primary rain forests on Borneo[J],2006,22:685-693.
APA Pfeiffer, Martin,Nais, Jamili,&Linsenmair, K. Eduard.(2006).Worker size and seed size selection in ’seed’-collecting ant ensembles (Hymenoptera : Formicidae) in primary rain forests on Borneo.JOURNAL OF TROPICAL ECOLOGY,22,685-693.
MLA Pfeiffer, Martin,et al."Worker size and seed size selection in ’seed’-collecting ant ensembles (Hymenoptera : Formicidae) in primary rain forests on Borneo".JOURNAL OF TROPICAL ECOLOGY 22(2006):685-693.
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