乌兰布和沙区紫花苜蓿生长发育模拟研究

应用生态学报 ›› 2002, Vol. ›› Issue (12): 1605-1609.

乌兰布和沙区紫花苜蓿生长发育模拟研究

白文明¹, 包雪梅²

1. 中国科学院植物研究所植被数量生态学开放研究实验室, 北京, 100093;
2. 中国农业大学植物营养系, 北京, 100094

收稿日期:2001-03-06 修回日期:2001-05-21
通讯作者: 白文明,男,1969年生,博士,助理研究员,主要从事草地生态、土壤水资源管理研究,发表论文6篇.Tel:62591431-6282,E-mail:bwming@ns.ibcas.ac.cn.
基金资助:
国家重点基础研究发展规划项目(G2000018607);中国科学院知识创新工程重大资助项目(KSCX1-08)

Simulation alfalfa growth in Wulanbuhe sandy region

BAI Wenming¹, BAO Xuemei²

1. Laboratory of Quantitative Vegetation Ecology, Institute of Botany, Chinese Academy of Sciences, Beijing 100093;
2. Department of Plant Nutrition, China Agricultural University, Beijing 100094

Received:2001-03-06 Revised:2001-05-21

摘要/Abstract

摘要： 借鉴积温学的原理,结合紫花苜蓿(Medicago sativa)生理生态学特性,建立了水分限制条件下干旱沙区紫花苜蓿生长发育模拟模型.该模型主要由生长发育阶段子模型、叶面积动态子模型、干物质积累子模型和干物质分配子模型组成.模拟计算结果表明,该模型能较好地预测沙地紫花苜蓿生长发育进程、叶面积变化动态及牧草产量变化动态,具有一定的实际应用价值.

关键词: 乌兰布和沙区, 紫花苜蓿, 生长, 模拟, 森林景观, 空间点格局, 关联动态性, 空间格局动态

Abstract: Based on the theories of accumulated temperature and on the physio-ecological characteristics of Medicago sativa, a simulation model for its growth under soil water stress in arid sandy region was developed. The model was mainly composed of four modules: the stage module of growth, the dynamic module of leaf area index, the accumulated module of dry matter, and the distributive module of dry matter. After simulating and calculating, the model could be used to predict the growing progress and dynamic changes of leaf area and yield for herbage in sandy region. The result shows that the application of the model to production is usually effective.

Key words: Wulanbuhe sandy region, Alfalfa, Growth, Simulation, association dynamic, forest landscape, spatial pattern dynamic, spatial point pattern

中图分类号:

Q94.32

白文明, 包雪梅. 乌兰布和沙区紫花苜蓿生长发育模拟研究[J]. 应用生态学报, 2002, (12): 1605-1609.

BAI Wenming, BAO Xuemei. Simulation alfalfa growth in Wulanbuhe sandy region[J]. Chinese Journal of Applied Ecology, 2002, (12): 1605-1609.

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