关于生态场的几点评述

应用生态学报 ›› 2000, Vol. ›› Issue (3): 472-476.

关于生态场的几点评述

王德利

东北师范大学草地研究所和国家草地生态工程实验室, 长春130024

收稿日期:1999-06-25 修回日期:2000-01-10 出版日期:2000-05-25
基金资助:
国家自然科学基金资助项目(39100023)

Some comments on ecological field

WANG Deli

Institute of Grassland Science, National Laboratory of Grassland Ecological Engineering, Northeast Normal University, Changchun 130024

Received:1999-06-25 Revised:2000-01-10 Online:2000-05-25

摘要/Abstract

摘要： 依据植物生态场的系统研究资料,对生态场的概念、场的特征函数、生态场的图形以及生态场对植物相互作用的解释进行了评述.阐明了生态场的最基本属性是物质性,目前的研究水平尚不能确定生态场是否是有别于一般物理场的特殊形式的场.对生态场的基本特征函数-生态势模型给予了形式与模型参数估测方面的评述,表明两种生态势模型各有一定的特点与优越性.作者强调,生态场更具生态学的方法论意义,应用生态场对植物相互作用形式与过程的分析描述,具有定量化、综合性与直观化特点.生态场的绘图为生态学研究开辟了新的途径,特别是应用生态场理论分析群体植物的动态变化过程(由互利共存到干涉竞争)会有合理的定量解释.

关键词: 生态场, 生态势, 生态场强度, 生态场图形

Abstract: Based on the data of plant ecological field studies,this paper reviewed the conception of ecological field, field eigenfunctions, graphs of ecological field and its application of ecological field theory in explaining plant interactions.It is suggested that the basic character of ecological field is material, and based on the current research level, it is not sure whether ecological field is a kind of specific field different from general physical field.The author gave some comments on the formula and estimation of parameters of basic field function-ecological potential model on ecological field. Both models have their own characteristics and advantages in specific conditions. The author emphasized that ecological field had even more meaning of ecological methodology, and applying ecological field theory in describing the types and processes of plant interactions had three characteristics: quantitative, synthetic and intuitionistic. Field graphing might provide a new way to ecological studies, especially applying the ecological field theory might give an appropriate quantitative explanation for the dynamic process of plant populations (coexistence and interference competition).

Key words: Ecological field, Ecological potential, Ecological field intensity, Graph of ecological field

王德利. 关于生态场的几点评述[J]. 应用生态学报, 2000, (3): 472-476.

WANG Deli. Some comments on ecological field[J]. Chinese Journal of Applied Ecology, 2000, (3): 472-476.

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