干旱区生态环境知识资源中心(Arid): 云南省建水县石漠化修复模式评价

Arid

	云南省建水县石漠化修复模式评价
其他题名	Evaluation of Rock Desertification Restoration Model in Jianshui County,Yunnan Province
	肖林颖; 吴秀芹
来源期刊	北京大学学报. 自然科学版
ISSN	0479-8023
出版年	2020
卷号	56 期号:6
中文摘要	基于19922017年Landsat TM数据、建水县森林资源二类调查数据及云南省石漠化监测数据,借助Mann-Kendall突变分析和趋势分析等方法,探讨近25年云南省建水县植被的时空变化特征及不同石漠化修复模式下的植被恢复情况。结果表明:1)25年间,建水县植被覆盖整体上呈上升趋势,平均增速为0.065%/10a,以20 08年为界,增速由之前的0.077%/10a增加到0.475%/10a;2)25年间,建水县植被覆盖呈增加趋势的区域、无显著变化区域及呈减少趋势的区域面积占比分别为55.32%,34.44%和10.24%;3)对于不同修复模式,在10年的修复时间范围内,纯生态林模式与混交生态林模式下植被恢复效果差别不大,而在25年的修复时间范围内,混交生态林模式下植被修复速率明显优于纯生态林修复模式,优势主要展现在修复后期。短期内,纯生态林模式中阔叶树和桤木的植被修复效果较好;从长期看,云南松和车桑子是较好的修复树种。混交生态林模式中,针叶混交林修复速率在10年和25年修复时间范围内均表现最优,是较好的混交模式。研究结果揭示了不同治理模式对植被恢复的效果,可为优化石漠化区域生态修复方法提供理论依据。
英文摘要	Based on Landsat TM data from 1992 to 2017,the second-class survey data of Jianshui County forest resources and the monitoring data of rocky desertification in Yunnan Province,with Mann-Kendall mutation analysis and trend analysis,the temporal and spatial variation characteristics of vegetation and the restoration of vegetation in different rocky desertification restoration models in Jianshui County of Yunnan Province in the past 25 years were discussed.The study found that during the 25 years,the vegetation cover of Jianshui County showed an overall upward trend with an average growth rate of 0.065%/10a.Since 2008,the growth rate increased from 0.077%/10a to 0.475%/10a.The area of vegetation cover in Jianshui County showed an increasing trend,no significant change,and the proportion of reduction trend was 55.32%,34.44% and 10.24% respectively.For different restoration models,within the restoration time range of ten years,there was not much difference in the effect of vegetation restoration under the pure ecological forest mode and the mixed ecological forest mode.Within the restoration time range of 25 years,the mixed ecological forest mode vegetation restoration rate was obviously better than pure ecological forest restoration mode,and the advantages were mainly displayed in the later stage of restoration.In terms of species selection of pure ecological forest model,broad-leaved forests and alders had better restoration effects in the short term;in the long run,Yunnan pine and Che sang-tzu were better restoration species.In the mixed ecological forest model,the coniferous mixed forest restoration rate was the best both in the range of ten and twenty-five years,indicating mixed ecological forest model is a better mixed model.The study revealed the effects of different governance models on vegetation restoration,and provided a theoretical basis for optimizing ecological restoration methods in rocky desertification areas.
中文关键词	植被修复 ; 石漠化治理模式 ; 喀斯特 ; 归一化植被指数(NDVI) ; 树种
英文关键词	vegetation restoration stone desertification control model Karst NDVI tree species
类型	Article
语种	中文
收录类别	CSCD
WOS类目	Environmental Sciences & Ecology
CSCD记录号	CSCD:6862195
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/353317
作者单位	肖林颖, 北京林业大学水土保持学院;;北京林业大学;;北京林业大学, ;;水土保持国家林业局重点实验室;;云南建水荒漠生态系统国家定位研究站, ;;;;建水, 北京;;北京;; 100083;;100083;;654399, 中国. 吴秀芹, 北京林业大学水土保持学院;;北京林业大学;;北京林业大学, ;;水土保持国家林业局重点实验室;;云南建水荒漠生态系统国家定位研究站, ;;;;建水, 北京;;北京;; 100083;;100083;;654399, 中国.
推荐引用方式 GB/T 7714	肖林颖,吴秀芹. 云南省建水县石漠化修复模式评价[J],2020,56(6).
APA	肖林颖,&吴秀芹.(2020).云南省建水县石漠化修复模式评价.北京大学学报. 自然科学版,56(6).
MLA	肖林颖,et al."云南省建水县石漠化修复模式评价".北京大学学报. 自然科学版 56.6(2020).