湿地生态系统健康的时空尺度特征

摘要/Abstract

摘要： 湿地生态系统健康是目前湿地研究领域的新概念、新问题.本文从时空尺度的基本概念和特征出发,探讨了湿地生态系统健康的各种表述和确定指标.较详细地阐述了湿地生态系统健康的时间尺度特征、空间尺度特征以及时空尺度的统一性和差异性.特别强调了尺度在研究湿地生态系统健康中的重要性.

关键词: 湿地生态系统健康, 时空尺度, 健康指标, 渗漏淋失, 控释尿素, 氮肥利用效率, 双季稻, 产量

Abstract: Wetland ecosystem health (WEH) is a new concept in wetland researches.Beginning with basic concepts and characters of temporal-spatial scale, all kinds of characteristics of WEH under temporal scale, spatial scale and temporal-spatial scale were discussed in this paper, and the significance of temporal-spatial scale in the researches of WEH was emphasized.

Key words: Wetland ecosystem health, Temporal-spatial scale, Health indicator, yield, controlled release urea, N use efficiency, double-cropping rice, N leaching loss

中图分类号:

Q148
S718.55

崔保山, 杨志峰. 湿地生态系统健康的时空尺度特征[J]. 应用生态学报, 2003, (1): 121-125.

CUI Baoshan, YANG Zhifeng. Temporal-spatial scale characteristic of wetland ecosystem health[J]. Chinese Journal of Applied Ecology, 2003, (1): 121-125.

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