Knowledge Resource Center for Ecological Environment in Arid Area
Visual navigation in desert ants Cataglyphis fortis: are snapshots coupled to a celestial system of reference? | |
Akesson, S; Wehner, R | |
通讯作者 | Wehner, R |
来源期刊 | JOURNAL OF EXPERIMENTAL BIOLOGY
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ISSN | 0022-0949 |
出版年 | 2002 |
卷号 | 205期号:14页码:1971-1978 |
英文摘要 | Central-place foraging insects such as desert ants of the genus Cataglyphis use both path integration and landmarks to navigate during foraging excursions. The use of landmark information and a celestial system of reference for nest location was investigated by training desert ants returning from an artificial feeder to find the nest at one of four alternative positions located asymmetrically inside a four-cylinder landmark array. The cylindrical landmarks were all of the same size and arranged in a square, with the nest located in the southeast corner. When released from the compass direction experienced during training (southeast), the ants searched most intensely at the fictive nest position. When instead released from any of the three alternative directions of approach (southwest, northwest or northeast), the same individuals instead searched at two of the four alternative positions by initiating their search at the position closest to the direction of approach when entering the landmark square and then returning to the position at which snapshot, current landmark image and celestial reference information were in register. The results show that, in the ants’ visual snapshot memory, a memorized landmark scene can temporarily be decoupled from a memorized celestial system of reference. |
英文关键词 | navigation visual navigation landmark guidance celestial reference system learning insect ant Cataglyphis fortis |
类型 | Article |
语种 | 英语 |
国家 | Switzerland |
收录类别 | SCI-E |
WOS记录号 | WOS:000177259600001 |
WOS关键词 | INSECT NAVIGATION ; LANDMARK ; BEES ; HONEYBEES ; GUIDANCE ; CUES ; MAPS ; GOAL |
WOS类目 | Biology |
WOS研究方向 | Life Sciences & Biomedicine - Other Topics |
资源类型 | 期刊论文 |
条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/143101 |
作者单位 | (1)Univ Zurich, Dept Zool, CH-8057 Zurich, Switzerland |
推荐引用方式 GB/T 7714 | Akesson, S,Wehner, R. Visual navigation in desert ants Cataglyphis fortis: are snapshots coupled to a celestial system of reference?[J],2002,205(14):1971-1978. |
APA | Akesson, S,&Wehner, R.(2002).Visual navigation in desert ants Cataglyphis fortis: are snapshots coupled to a celestial system of reference?.JOURNAL OF EXPERIMENTAL BIOLOGY,205(14),1971-1978. |
MLA | Akesson, S,et al."Visual navigation in desert ants Cataglyphis fortis: are snapshots coupled to a celestial system of reference?".JOURNAL OF EXPERIMENTAL BIOLOGY 205.14(2002):1971-1978. |
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