云南省高原典型森林植被涵养水源功能研究

doi:10.11870/cjlyzyyhj201508015

长江流域资源与环境 >> 2015, Vol. 24 >> Issue (08): 1366-1372.doi: 10.11870/cjlyzyyhj201508015

云南省高原典型森林植被涵养水源功能研究

石小亮^1,2, 张颖¹, 单永娟¹, 段维娜³

1. 北京林业大学经济管理学院, 北京 100083;
2. 沈阳农业大学经济管理学院, 辽宁沈阳 110866;
3. 天津市国土资源和房屋管理局, 天津 300042

收稿日期:2014-08-26 修回日期:2014-10-10 出版日期:2015-08-20
作者简介:石小亮(1984~),男,博士研究生,主要从事森林资源与环境经济方面研究.E-mail:sxl422127@163.com
基金资助:
国家社科基金重点项目"我国西部林业生态建设政策评价与体系完善研究"(11&ZD042);内蒙古扎兰屯市"森林资源综合效益评估及环境资产负债表编制研究"(2014HXZXJGXY025)

STUDY ON WATER CONSERVATION FUNCTION OF TYPICAL FOREST VEGETATION IN YUNNAN PLATEAU

SHI Xiao^1,2, ZHANG Ying¹, SHAN Yong¹, DUAN Wei³

1. School of Economics and Management, Beijing Forestry University, Beijing 100083, China;
2. College of Economics and Management, Shenyang Agricultural University, Shenyang 110866, China;
3. Tianjin Land Resources and Housing Administrative Bureau, Tianjin 300042, China

Received:2014-08-26 Revised:2014-10-10 Online:2015-08-20
Contact: 张颖 E-mail:zhangyin@bjfu.edu.cn E-mail:zhangyin@bjfu.edu.cn

摘要/Abstract

摘要： 利用水量平衡原理对云南省高原3种典型森林植被的林冠截留、枯落物持水和土壤蓄水能力进行比较研究。结果表明:土壤蓄水是森林发挥涵养水源功能的最主要途径;从林冠截留量和截留率两个指标来看,林冠截水能力排序为高山松林(209.87 t/hm²、28.87%)>白桦林(194.17 t/hm²、19.82%)>川滇高山栎灌丛(111.78 t/hm²、16.32%);对于枯落物持水能力:最大持水量排序为高山松林(35.79 t/hm²)>白桦林(24.52 t/hm²)>川滇高山栎灌丛(18.49 t/hm²);最大持水率排序为川滇高山栎灌丛(177.42%)>白桦林(152.08%)>高山松林(138.48%);土壤蓄水能力排序为川滇高山栎灌丛(673.19 t/(hm²·a))>高山松林(610 t/(hm²·a))>白桦林(549.84 t/(hm²·a));在同一森林单位面积上,涵养水源能力排序为高山松林(855.66 t/hm²)>川滇高山栎灌丛(803.46 t/hm²)>白桦林(768.53 t/hm²)。研究可为森林生态效益核算和管理奠定基础,且对制定适应气候变化的策略有着科学指导意义。

关键词: 云南高原, 森林植被, 涵养水源, 森林类型

Abstract: Forest vegetation has various service functions, such as climate regulation, soil conservation, and nutrients accumulation, species conservation and water conservation. One of the most intuitive functions of forest vegetation was water conservation. Studies showed that various types of forest vegetation differed in their ability of water conservation. It has been receiving more attention due to the worsening global water environment and increasing human demand on water. Remote sensing images and meteorological data make it possible to accurately measure annual precipitation and evaporation of forest ecological system with the rapid development of geographic information system technology. All of these make the water balance method with a higher credibility than other methods to estimate physical quantity of forest water conservation. Three kinds of typical forest vegetation in Yunnan Plateau were selected as the research objects. By using the principle of water balance to study canopy interception, litter and soil water storage capacity of three kinds of forest vegetation. The results showed that the soil water storage was the main way of forest water conservation functions. According to the canopy intercept quantity and capture rate metrics about various of vegetation, the order of canopy intercepting water capacity is as follows: Pinus densata(209.87 t/hm², 28.87%)>Betula platyphylla Suk.(194.17 t/hm², 19.82%)>Quercus aquifolioides(111.78 t/hm², 16.32%)Litter water-holding capacity included two aspects: maximizing water holding capacity and the water holdup. The order of maximum water holding capacity on litter is as follows: Pinus densata(35.79 t/hm²)>Betula platyphylla Suk.(24.52 t/hm²)>Quercus aquifolioides(18.49 t/hm²).The order of water holdup on litter was Quercus aquifolioides(177.42%)>Betula platyphylla Suk.(152.08%)>Pinus densata(138.48%).The order of soil water storage capacity was Quercus aquifolioides(673.19 t/hm²/a)>Pinus densata(610 t/hm²/a)>Betula platyphylla Suk.(549.84 t/hm²/a).The order of water conservation capacity is as follows: Pinus densata(855.66 t/hm²)>Quercus aquifolioides(803.46 t/hm²)>Betula platyphylla Suk.(768.53 t/hm²)in the same forest per unit area. The study on water conservation functions of typical forest vegetation in Yunnan plateau not only provides the guidance basis for the local forest management and production, but also ensure the water security of nature reserve and even in Yunnan Province. It is of very important significance under the background of climate change. Study forms the foundation to benefit accounting and management of forest ecological in the future. In addition, the research has scientific guiding significance for strategy adapt to climate change.

Key words: Yunnan plateau, forest vegetation, water conservation, forest types

中图分类号:

S715

石小亮, 张颖, 单永娟, 段维娜. 云南省高原典型森林植被涵养水源功能研究[J]. 长江流域资源与环境, 2015, 24(08): 1366-1372.

SHI Xiao, ZHANG Ying, SHAN Yong, DUAN Wei. STUDY ON WATER CONSERVATION FUNCTION OF TYPICAL FOREST VEGETATION IN YUNNAN PLATEAU[J]. RESOURCES AND ENVIRONMENT IN THE YANGTZE BASIN, 2015, 24(08): 1366-1372.

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