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生态学杂志 ›› 1992, Vol. ›› Issue (2): 61-63,74.

• 研究报告 • 上一篇    下一篇

阔叶树的叶形曲线方程——适于叶面积计算的数学模型

田兴军   

  1. 东北林业大学, 哈尔滨 150040
  • 收稿日期:1990-12-06 修回日期:1991-04-09 出版日期:1992-04-10

Leaf Shape Curve Equations of Broad-Leaved Trees——Mathematical Models Suitable for Leaf Area Calculation

Tian Xingjun   

  1. Northeast Forestry University, Harbin 150040
  • Received:1990-12-06 Revised:1991-04-09 Online:1992-04-10

关键词: 季节性冻融, 土壤氮素矿化, 高山森林, 气候变暖

Abstract: Based on observation and study, 3 curve equations for various leaf shapes,ellipse, oval and spindl, are advanced. These models provides scientific basis and available methods for calculating leaf areas of broadleaved trees.

Key words: seasonal freeze-thaw, soil nitrogen mineralization, alpine forest, climate warming