Results 151 to 160 of about 107,048 (195)
Some of the next articles are maybe not open access.
Estimate ecological indicators of karst rocky desertification by spectral unmixing algorithm
SPIE Proceedings, 2013Coverage rates of vegetation and exposed bedrock are two key indicators of karst rocky desertification (KRD) environments. Based on spectral unmixing algorithm, abundance of vegetation and exposed rock were retrieved from the hyperspectral Hyperion image.
Xia Zhang +3 more
openaire +1 more source
Journal of Environmental Management
Vegetation restoration measures have been increasingly employed to alleviate rocky desertification in karst ecosystems. However, the comprehensive effects of these interventions on soil properties and soil organic carbon (SOC) remain poorly understood ...
Wei Zheng +7 more
semanticscholar +1 more source
Vegetation restoration measures have been increasingly employed to alleviate rocky desertification in karst ecosystems. However, the comprehensive effects of these interventions on soil properties and soil organic carbon (SOC) remain poorly understood ...
Wei Zheng +7 more
semanticscholar +1 more source
Science of The Total Environment, 2021
Vegetation recovery and poverty alleviation are critical problems in the karst national designed poor counties (NPDC) in southwest China. However, little information is available about the relationship between poverty and vegetation dynamics in these areas. In this study, we used remote sensing and statistical datasets from 2000 to 2015 to identify the
Sen Zhao +3 more
openaire +2 more sources
Vegetation recovery and poverty alleviation are critical problems in the karst national designed poor counties (NPDC) in southwest China. However, little information is available about the relationship between poverty and vegetation dynamics in these areas. In this study, we used remote sensing and statistical datasets from 2000 to 2015 to identify the
Sen Zhao +3 more
openaire +2 more sources
Journal of Environmental Management
Under the dual pressures of global climate change and human activities, the carbon sink function of terrestrial ecosystems and ecological vulnerability exhibit a dynamic game relationship.
Huanhuan Zhao +6 more
semanticscholar +1 more source
Under the dual pressures of global climate change and human activities, the carbon sink function of terrestrial ecosystems and ecological vulnerability exhibit a dynamic game relationship.
Huanhuan Zhao +6 more
semanticscholar +1 more source
Pattern simulation of karst rocky desertification based on cellular automata
Acta Ecologica Sinica, 2012Desertification in the karst mountain regions of southwest China is one of the most challenging environmental issues in western China because of its severe negative effects on the local community.Based on natural and cultural factors that cause rocky desertification occurrence and development,a simple,effective simulation and prediction model for karst
王晓学 WANG Xiaoxue +2 more
openaire +1 more source
Causes and Prevention Measures of Rocky Desertification in Bijie, China
Vegetos- An International Journal of Plant Research, 2014Bijie is located in the northwest of Guizhou Province in western China. Biejie Experimental Area was founded by Hu Jintao, the former secretary of Guizhou provincial Party committee in as a prelude to Western Development. Bijie city has a large population but is backward in economy, which mainly caused by serious rocky desertification.
openaire +1 more source
Spectral indices for estimating ecological indicators of karst rocky desertification
International Journal of Remote Sensing, 2010Karst rocky desertification is a process of land desertification associated with human disturbance of the fragile eco-geological setting of karst ecosystems. The fractional cover of photosynthetic vegetation (PV), non-photosynthetic vegetation (NPV), bare soil and exposed bedrock are key ecological indicators of the extent and degree of land ...
Yuemin Yue +7 more
openaire +1 more source
Mapping karst rocky desertification using Landsat 8 images
Remote Sensing Letters, 2015Karst rocky desertification (KRD) is a serious ecological problem in southwest China. Various remote sensing techniques are available for investigating KRD. Landsat 8 Operational Land Imager (OLI) data, acquired in September (summer) 2013 and January (winter) 2014, were used to analyse the role of vegetation fraction, bedrock exposure, and slope on KRD
Shuang Li, Honggan Wu
openaire +1 more source
[Theoretical model for rocky desertification control in karst area].
Ying yong sheng tai xue bao = The journal of applied ecology, 2008Based on the basic principles of restoration ecology, the trigger-action model for rocky desertification control was proposed, i. e. , the ability that an ecosystem enables itself to develop was called dominant force, and the interfering factor resulting in the deviation of the climax of ecological succession from its preconcerted status was called ...
Liang, Liang +4 more
openaire +1 more source
Land Degradation & Development
Soil microbial nutrient limitation plays a crucial role in nutrient cycling and soil organic carbon (SOC) accumulation, especially in degraded ecosystems.
Qilin Yang +3 more
semanticscholar +1 more source
Soil microbial nutrient limitation plays a crucial role in nutrient cycling and soil organic carbon (SOC) accumulation, especially in degraded ecosystems.
Qilin Yang +3 more
semanticscholar +1 more source