Volume 24 Issue 6
Dec.  2007
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KUANG Fen-liang, LIU Ning, CANGJUE Zhuoma, LI Jian-chuan, YANG Le, LI Fu-xiu. Diurnal time-activity budgets of Grus nigricollis for the pre-laying phase in northern Tibet[J]. Journal of Zhejiang A&F University, 2007, 24(6): 686-691.
Citation: KUANG Fen-liang, LIU Ning, CANGJUE Zhuoma, LI Jian-chuan, YANG Le, LI Fu-xiu. Diurnal time-activity budgets of Grus nigricollis for the pre-laying phase in northern Tibet[J]. Journal of Zhejiang A&F University, 2007, 24(6): 686-691.

Diurnal time-activity budgets of Grus nigricollis for the pre-laying phase in northern Tibet

  • Received Date: 2007-01-30
  • Rev Recd Date: 2007-04-18
通讯作者: 陈斌, bchen63@163.com
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Diurnal time-activity budgets of Grus nigricollis for the pre-laying phase in northern Tibet

Abstract: The diurnal activity budgets of Grus nigricollis (wild black-necked crane) were observed in northern Tibet from April to June 2006 using focal animal sampling and all occurrences recording. Results showed that (1) for the diurnal time-activity budgets, activities during the pre-laying phase and their percentage time included five major behaviors:foraging, 43.69%; vigilance, 21.78%; maintenance, 21.69%; locomotion, 7.57%; and breeding, 2.09%; and a miscellaneous group, 3.18%. Additionally, (2) time budgets of vigilance for males was significantly greater (P< 0.01) than females, while there were no significant differences for locomotion. However, the time budgets of three other behaviors and miscellaneous group for females were higher than males. Also, (3) the four behaviors and miscellaneous group were relatively stable before 11:00 am., and then three foraging peaks and one maintenance peak appeared. There were no major peaks for the other behaviors which had a descending trend. Finally, (4) the foraging, vigilance, and maintenance behaviors between males and females were asynchronous from 11:00 to 14:00 and synchronous during other times. With foraging, a peak for males appeared between 12:00-14:00; whereas, for females there were three peaks, namely at 8:00, 12:00-14:00, and 17:00.Behavioral differences of this species, due to gender and location, as well as differences from other cranes were discussed.

KUANG Fen-liang, LIU Ning, CANGJUE Zhuoma, LI Jian-chuan, YANG Le, LI Fu-xiu. Diurnal time-activity budgets of Grus nigricollis for the pre-laying phase in northern Tibet[J]. Journal of Zhejiang A&F University, 2007, 24(6): 686-691.
Citation: KUANG Fen-liang, LIU Ning, CANGJUE Zhuoma, LI Jian-chuan, YANG Le, LI Fu-xiu. Diurnal time-activity budgets of Grus nigricollis for the pre-laying phase in northern Tibet[J]. Journal of Zhejiang A&F University, 2007, 24(6): 686-691.
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