程海水生植被现状及其演变趋势

doi:10.3724/SP.J.1143.2011.11027

Plant Diversity ›› 2011, Vol. 33 ›› Issue (4): 451-457.DOI: 10.3724/SP.J.1143.2011.11027

程海水生植被现状及其演变趋势

董云仙, 谭志卫, 王俊松

云南省环境科学研究院，云南昆明650034

收稿日期:2011-02-16 出版日期:2011-08-25 发布日期:2011-06-30
基金资助:
云南省科技厅社会事业发展专项（2009CA002）

Current Status and Evolution Trend of Aquatic Vegetation in Chenghai Lake

DONG Yun-Xian, TAN Zhi-Wei, WANG Jun-Song

Yunnan Institute of Environmental Science, Kunming 650034, China

Received:2011-02-16 Online:2011-08-25 Published:2011-06-30

摘要/Abstract

摘要：

近20年来，程海水生植物种类和群落类型进一步趋于简单化，水生植被覆盖度由24%~75%变为0.2%~85%，分布最大水深虽由4.5m延伸至5.5m，分布面积却由527.8hm2缩减为73.05hm2，资源蕴藏量由4766吨降低至314.53吨。分析认为：程海南部大面积适生生境破坏、水质污染、水体富营养化、不合理放养草鱼是加剧其水生植被衰退的主要原因。提出了恢复南部湿地、削减入湖污染物、禁止投放草鱼、控制水质污染和水体富营养化等保护对策。

关键词: 水生植被, 现状, 演变趋势, 程海

Abstract:

Aquatic species and population in Chenghai Lake had been dramatically changed in recent two decades. Coverage percentage of aquatic vegetation had varied from a range of 24%-75% to that of 0.2%-85%; and its maximum distribution depth had increased from 4.5m to 5.5m; but the corresponding coverage area had been shrunk from 527.8hm2 to 73.05hm2; the resource storage had reduced from 4766 tons to 314.53 tons. Analysis indicates that destruction of suitable habitat in southern part of the lake, pollution, eutrophication and unreasonable stocking grass carp were the main reasons causing the remarkable decay of aquatic vegetation. Protective measures had been proposed based on wetland restoration in southern part, pollutant reduction, prohibition of stocking grass carp, and control over pollution and eutrophication.

Key words: Aquatic vegetation, Status, Evolution trend, Chenghai lake

中图分类号:

Q 948.8

董云仙, 谭志卫, 王俊松. 程海水生植被现状及其演变趋势[J]. Plant Diversity, 2011, 33(4): 451-457.

DONG Yun-Xian, TAN Zhi-Wei, WANG Jun-Song. Current Status and Evolution Trend of Aquatic Vegetation in Chenghai Lake[J]. Plant Diversity, 2011, 33(4): 451-457.

参考文献

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程海水生植被现状及其演变趋势

Current Status and Evolution Trend of Aquatic Vegetation in Chenghai Lake

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