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Issue:ISSN 1000-7083
          CN 51-1193/Q
Director:Sichuan Association for Science and Technology
Sponsored by:Sichuan Society of Zoologists; Chengdu Giant Panda Breeding Research Foundation; Sichuan Association of Wildlife Conservation; Sichuan University
Address:College of Life Sciences, Sichuan University, No.29, Wangjiang Road, Chengdu, Sichuan Province, 610064, China
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Your Position :Home->Past Journals Catalog->2010 Vol.29 No.6

Observation on Daily Rhythms and Behavior of Red-bellied Squirrels Living in Planted Forests in Spring and Summer
Author of the article:REN Juan1, CAO Xiao-li2, SONG Peng-fei1, QI Ming-da3, KONG Ling-xue1, JIA Gang4, GUO Cong1?
Author's Workplace:(1. College of Life Sciences, Sichuan University, Chengdu 610064, China; 2. The Forest Bureau of Hongya County, Hongya, Sichuan Province 620360, China; 3. The Forest Farm of Hongya County, Hongya, Sichuan Province 620364, China; 4. Meishan Middle School, Meishan, Sichuan Province 620020, China)
Key Words: Callosciurus erythraeus; daily activity rhythm; behavior
Abstract: The daily activity rhythms of twelve red-bellied squirrels with radio-collars were observed in planted forests of Hongya county of Sichuan province from March to August in 2009. Our data indicated that red-bellied squirrels displayed a bimodal pattern both in spring and summer. The total daily activity time of males in spring was 5.00 h±1.39 h, which accounted for 39.62% of day length. The total daily activity time of males and females in summer were 7.54 h±1.20 h and 6.48 h±0.98 h, respectively, which represented 55.12% and 46.82% of the day length. The activity intensity of males was 37.38%±8.75% in spring. The activity intensity of males and females in summer were 53.85%±8.60% and 46.30%±7.04% respectively.The differences in total daily activity time and activity intensity between spring and summer and between sexes were significant. The time of both nest departure and nest arrival was positively correlated with the time of sunrise and sunset. Red-bellied squirrels spent most of their time foraging, which accounted for 86.23% and 79.54% (males and females) in spring and summer. The daily activity rhythm of red-bellied squirrels was affected by weather and duration of sunlight.
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