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人工林赤腹松鼠春夏季活动节律与行为特征观察
Observation on Daily Rhythms and Behavior of Red-bellied Squirrels Living in Planted Forests in Spring and Summer
任娟1,曹晓莉2,宋鹏飞 1,祁明大3,孔令雪1,贾岗4 ,郭聪1*
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作者单位:(1. 四川大学生命科学学院,成都 610064;2. 四川洪雅县林业局,四川洪雅 620360; 3. 四川洪雅县林场,四川洪雅 620364;4. 眉山中学校,四川眉山 620020)
中文关键字:赤腹松鼠; 活动节律; 行为特征
英文关键字: Callosciurus erythraeus; daily activity rhythm; behavior
中文摘要:200938月,通过观察和运用无线电遥测对四川洪雅县人工林赤腹松鼠活动节律和行为特征进行了研究。结果显示,赤腹松鼠为昼行型动物,其春夏活动节律呈晨昏双高峰型。春夏季雄性赤腹松鼠日活动时间分别为5.00 h/d±1.39 h/d(占日长的39.62%)7.54 h/d±1.20 h/d(占日长的55.12%),雌性夏季日活动时间为6.48 h/d±0.98 h/d,占日长的46.82%。雄性赤腹松鼠春季活动强度为37.38%±8.75%,夏季雌雄性活动强度分别为46.30%±7.04%53.85%±8.60%。雄性赤腹松鼠春夏季之间以及夏季雌雄之间的日活动时间和活动强度均存在显著差异。赤腹松鼠清晨出巢及傍晚回巢时间与日出日落显著正相关。春夏季赤腹松鼠的行为以取食为主,占日活动行为时间分配的比例分别为86.23%79.54%。赤腹松鼠的活动节律和活动时间亦受天气状况、日照时间等因素的影响。
英文摘要: 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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国内统一连续出版物号:51-1193/Q |国际标准出版物号:1000-7083
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