Arid
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
ISSN0022-0949
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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