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生态学杂志 ›› 1993, Vol. ›› Issue (5): 13-16.

• 研究报告 • 上一篇    下一篇

天祝高山草原15种饲用灌木的热值及季节动态

龙瑞军, 徐长林, 胡自治, 丁文广, 张映生, 康天福   

  1. 甘肃农业大学草业学院, 兰州730070
  • 收稿日期:1992-07-08 出版日期:1993-10-10
  • 基金资助:
    甘肃省自然科学基金

Calorific Value and Its Seasonal Dynamics of Fodder Shrub Species on Tianzhu Alpine Grasslands

LongRuijun, Xi Changlin, Hu Zizhi, Ding Wenguang, Zhang Yinsheng, Kang Tianfu   

  1. Gansu Agricultiiral Universily, Lanzhou 730070
  • Received:1992-07-08 Online:1993-10-10

关键词: 基于个体模型, 物理模型, 鲐鱼, 早期生活史, 仔幼鱼, 输运, 联通性

Abstract: Shrubs tested have a higher calorific value in their dormant period than in growing stages,and Salix hasthe highest one, The calorific value of herbs is significantly lower than shrubs,.There are three monthlydynamic types of calorific value for shrubs:smooth(7 species), increasing(5 species ) and“V”(3 species)types. Same farnily or genus belongs to either same or different type,but different families or genera al-ways belong to the same type, The calorific value of shrubs is controled by their heredity and also influ-enced deeply by ecological environmental conditions under which they live.

Key words: individual-based model, physical model, chub mackerel (Scomber japonicas), early life history, eggs and larvae, transport, connectivity.