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Environmental correlates of the annual fattening cycle of Spotted munia,Lonchura punctulata(Aves, Estrildidae)

 

作者: Asha Chandola,   Sushama Pavgi,   Vishnukant Pathak,  

 

期刊: Journal of Interdisciplinary Cycle Research  （Taylor Available online 1980）
卷期: Volume 11, issue 2  

页码: 125-133

 

ISSN:0022-1945

 

年代: 1980

 

DOI:10.1080/09291018009359695

 

出版商: Taylor & Francis Group

 

关键词: body weight;circannual rhythms;Estrildidae;feeding activity;Lonchura punctulata

 

数据来源: Taylor

 

摘要:

Spotted munia exhibits a distinct annual periodicity in body weight, which does not coincide with the annual temperature and photoperiodic changes. A seasonal variation in daily feeding pattern could be associated with the cycle. An endogenous circannual oscillator with a periodicity of about 10 months may also be involved. This bird, therefore, may prove to be a suitable model for the studies of interaction of daily and annual events with respect to circannual rhythms.

 

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