羊草草原弃耕地恢复性演替过程的数学模型和计算机模拟

doi:10.11707/j.1001-7488.20020312

Scientia Silvae Sinicae ›› 2002, Vol. 38 ›› Issue (3): 63-66.doi: 10.11707/j.1001-7488.20020312

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A MATHEMATICAL MODEL AND A COMPUTER SIMULATION OF SUCCESSION PROCESS OF LEYMUS CHINENSIS MICROCOMMUNITIES IN ABANDONED FIELD

Liu Jiagang,Zhang Xuepei,Liu Ning,Zhang Li,Wang Bennan

Beijing Forestry University Beijing100083;Research Center for Eco environment Sciences, Chinese Academy of Sciences Beijing100085

Received:2001-02-28 Revised:1900-01-01 Online:2002-05-25 Published:2002-05-25

Abstract

Abstract:

A mathematical model and a computer simulation of succession process of Leymus chinensis microcommunities in abandoned field were presented. The results accord with data very well. The mathematical model isY(t)=1-e -πV 2N3t 3 Where Y(t) is area occupied by microcommunities of Leymus chinensis, V the expansion speed of Leymus chinensis microcommunities, N the number of seed which invade the abandoned field in unit time and unit area.

Key words: Leymus chinisis, Microcommunity, Restorationsuccession, Mathematical model, Prevent desertization

Liu Jiagang;Zhang Xuepei;Liu Ning;Zhang Li;Wang Bennan. A MATHEMATICAL MODEL AND A COMPUTER SIMULATION OF SUCCESSION PROCESS OF LEYMUS CHINENSIS MICROCOMMUNITIES IN ABANDONED FIELD[J]. Scientia Silvae Sinicae, 2002, 38(3): 63-66.

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A MATHEMATICAL MODEL AND A COMPUTER SIMULATION OF SUCCESSION PROCESS OF LEYMUS CHINENSIS MICROCOMMUNITIES IN ABANDONED FIELD

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