Locomotor activity rhythm and sun compass orientation in the sandhopper Talitrus saltator are related

被引：0
|
作者：
Alberto Ugolini
Silvia Somigli
Vittorio Pasquali
Paolo Renzi
机构：
[1] Università di Firenze,Dipartimento di Biologia Animale e Genetica
[2] Università di Roma “La Sapienza”,Dipartimento di Psicologia, Sezione di Neuroscienze
来源：
Journal of Comparative Physiology A | 2007年 / 193卷
关键词：
Activity rhythm; Orientation; Sun compass; Chronometric mechanism;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The sandhopper Talitrus saltator has an endogenous activity rhythm with a circadian periodicity. It is well known for its ability to compensate for the apparent movement of the sun during its migrations along the sea–land axis of the beach. Both chronometric mechanisms are entrained by the natural LD photoperiod. Using actographic recordings and tests of solar orientation of individuals kept under an LD 12:12 clock-shifted cycle, after 1–13 days of treatment, we demonstrate that the timing mechanism of activity rhythm and the chronometric mechanism underlying the sun compass are the same.
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页码：1259 / 1263
页数：4
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