Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1093/beheco/arp041 |
How site fidelity leads to individual differences in the foraging activity of harvester ants | |
Beverly, Blair D.2; McLendon, H.2; Nacu, S.1; Holmes, S.1; Gordon, D. M.2 | |
通讯作者 | Gordon, D. M. |
来源期刊 | BEHAVIORAL ECOLOGY |
ISSN | 1045-2249 |
EISSN | 1465-7279 |
出版年 | 2009 |
卷号 | 20期号:3页码:633-638 |
英文摘要 | We examined how differences in activity among individual foragers of the red harvester ant, Pogonomyrmex barbatus, could arise from site fidelity. Using observations of individually marked foragers, we found that each day most foragers made a few foraging trips, whereas only a few foragers made many trips. To determine whether only particular individuals are capable of high foraging activity, we removed the foragers that made the most foraging trips on 1 day and examined the frequency distribution of foraging the subsequent day. The most active foragers were replaced by other individuals. We then examined site fidelity of foragers. Though foraging trails extend up to 20 m from the nest, observations of marked individuals showed that on successive trips, a forager returns to sites within about 0.5 m. Foraging trip duration depended on search time and not on the distance from the nest of the final destination. Thus, the more food available, the shorter the search time and the shorter the trip. Because foragers return to the same site over and over within a day, a forager making many short trips to a high-quality patch can make more foraging trips per day. Thus, variation in patch quality, rather than individual variation in foraging ability, could produce the observed distribution of trip number. These results show that regulation of foraging in harvester ants does not require any individuals to show others a particular location with abundant food. Instead, a decentralized system of interactions tunes the numbers foraging to current food availability. |
英文关键词 | individual foraging behavior patch quality Pogonomyrmex barbatus search time site fidelity |
类型 | Article |
语种 | 英语 |
国家 | USA |
收录类别 | SCI-E |
WOS记录号 | WOS:000265950200023 |
WOS关键词 | HOME RANGE ORIENTATION ; POGONOMYRMEX ; COLONIES ; HYMENOPTERA ; BEHAVIOR ; FORMICIDAE ; COLLECTION ; PATTERNS ; DESERT |
WOS类目 | Behavioral Sciences ; Biology ; Ecology ; Zoology |
WOS研究方向 | Behavioral Sciences ; Life Sciences & Biomedicine - Other Topics ; Environmental Sciences & Ecology ; Zoology |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/159950 |
作者单位 | 1.Stanford Univ, Dept Stat, Stanford, CA 94305 USA; 2.Stanford Univ, Dept Biol Sci, Stanford, CA 91305 USA |
推荐引用方式 GB/T 7714 | Beverly, Blair D.,McLendon, H.,Nacu, S.,et al. How site fidelity leads to individual differences in the foraging activity of harvester ants[J],2009,20(3):633-638. |
APA | Beverly, Blair D.,McLendon, H.,Nacu, S.,Holmes, S.,&Gordon, D. M..(2009).How site fidelity leads to individual differences in the foraging activity of harvester ants.BEHAVIORAL ECOLOGY,20(3),633-638. |
MLA | Beverly, Blair D.,et al."How site fidelity leads to individual differences in the foraging activity of harvester ants".BEHAVIORAL ECOLOGY 20.3(2009):633-638. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。