夏季雌性藏羚昼间行为时间分配及活动节律  被引量:35

Diurnal behavioral time budgets and activity rhythm of the female Tibetan antelope (Pantholops hodgsoni) in summer

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作  者:连新明[1] 张同作[1] 曹伊凡[1] 蔡振媛[1] 苏建平[1] 

机构地区:[1]中国科学院西北高原生物研究所

出  处:《兽类学报》2007年第1期53-57,共5页Acta Theriologica Sinica

基  金:青海省重大科技攻关项目(2002-N-105);中国科学院知识创新工程领域前沿项目(CXLY-2002-3)

摘  要:2003至2005年的6~9,采用目标动物观察法在可可西里观察夏季雌性藏羚的昼间行为。将雌性藏羚的行为分为觅食、警戒、卧息、移动和“其他”5种类型,各类行为所占时间比例分别为59.1%、7.3%、19.4%、13.0%和1.3%。觅食消耗的时间最多,是藏羚的常见行为,卧息、移动和警戒次之,而“其他”行为消耗时间最短。觅食、警戒、卧息和移动的累计时间在不同时段之间均存在显著(P〈0.05)或极显著(P〈0.01)差异。觅食行为存在3个高峰,分别在10:00~11:00,13:00—14:00和18:00~19.00;警戒的高峰期出现在早上08:00~09:00,在15:00~16:00以及17:00~18:00也分别出现小的高峰,但不明显;卧息行为表现为双峰形,分别为11:00~12:00和16:00~17:00。移动行为也表现为双峰,出现在08:00~09:00和15:00~16:00;“其他”行为在各时段间没有明显的,变化趋势.During June to September in 2003, 2004 and 2005, the ethogram ( including foraging, vigilance, resting, moving and others) of the Tibetan antelope (Pantholops hodgsoni) in summer was formulated and then the diurnal activity budget and rhythm were studied by the focal-animal sampling in Hoh Xil region. During the day, the Tibetan antelopes spent 59. 1% of time on foraging, 7.3% on vigilance, 19.4% on resting, 13.0% on moving and 1.3% on others. Kruskal-Wallis H tests indicated that difference in the accumulated times of foraging, vigilance, resting or moving among the periods of diurnal time were significant ( P 〈0. 05 ) or extremely significant ( P 〈0. 01 ). The peaks of foraging were recorded at 10:00 - 11:00, 13:00 - 14:00 and 18:00 - 19:00 and those of vigilance were at 08:00 -09: 00, 15:00 - 16:00 and 17:00 - 18: 00. The rhythm trends of resting and moving were typically bimodal.

关 键 词:藏羚 可可西里 夏季 行为时间分配 活动节律 

分 类 号:Q958.1[生物学—动物学]

 

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