以CNKI中文核心期刊数据库和Web of Science数据库中1999—2020年期刊论文作为数据源,运用CiteSpace可视化文献分析工具,对退耕还林生态补偿发文基本情况、关键词、研究热点和前沿分析。研究表明:①退耕还林生态补偿受到中外学者的关注...以CNKI中文核心期刊数据库和Web of Science数据库中1999—2020年期刊论文作为数据源,运用CiteSpace可视化文献分析工具,对退耕还林生态补偿发文基本情况、关键词、研究热点和前沿分析。研究表明:①退耕还林生态补偿受到中外学者的关注,文献数量不断增加,研究内容有着明显的政策导向,内容不断深化和完善;②中外合作作者和机构之间呈现小集群大分散的特征,且研究团体数量少且之间合作力度不大;③“退耕还林(草)工程”“黄土高原地区”“农户”“可持续发展”“payment ecosystem service”和land use change是中外文献研究的核心关键词。退耕还林(草)生态补偿依然是研究的前沿课题,研究内容更加注重退耕农户的可持续生计和福祉以及退耕地域空间动态变化特征。因此,提出了在中国扶贫战略转型与森林生态补偿制度创新需要的指引下,退耕还林生态补偿研究要注重理论内容的纵向研究,加强作者机构之间的合作,注重多学科之间的交叉研究。展开更多
Evaluation of the ecological effects of eco-compensation policies helps analyze policy rationality and feasibility and provides scientific and practical bases for perfecting eco-compensation systems. Taking the key ec...Evaluation of the ecological effects of eco-compensation policies helps analyze policy rationality and feasibility and provides scientific and practical bases for perfecting eco-compensation systems. Taking the key ecological function area of the Loess Plateau, China as a case study, we have evaluated ecosystem responses to the Grain-for-Green Project that commenced in 1999. Six indicators were selected to assess changes in ecosystem structure, quality and function. The results showed that implementation of the Grain-for-Green Project has reduced sloping cropland by 1571 km2 and increased ecological land by 1337 km2. The increase in ecological land alters ecosystem structures across the study area and the decline in sloping cropland reduces farming activity interference; both of these are conducive to the restoration of natural vegetation. From 2000 to 2010, the vegetation cover of grassland, desert and forest ecosystems increased 10.89%, 8.34% and 4.24% respectively and average NPP rose 51%, with an average annual growth rate of around 5%. This indicates that eco-compensation has promoted the improvement of ecosystem quality. Total biomass of ecosystems increased two times on average from 2000 to 2010, meaning that the carbon sequestration capacity of ecosystems also increased. The reduction in the area of water loss and soil erosion and the increase in retained runoff by forests indicate an improvement in ecosystem function and services on the Loess Plateau.展开更多
文摘以CNKI中文核心期刊数据库和Web of Science数据库中1999—2020年期刊论文作为数据源,运用CiteSpace可视化文献分析工具,对退耕还林生态补偿发文基本情况、关键词、研究热点和前沿分析。研究表明:①退耕还林生态补偿受到中外学者的关注,文献数量不断增加,研究内容有着明显的政策导向,内容不断深化和完善;②中外合作作者和机构之间呈现小集群大分散的特征,且研究团体数量少且之间合作力度不大;③“退耕还林(草)工程”“黄土高原地区”“农户”“可持续发展”“payment ecosystem service”和land use change是中外文献研究的核心关键词。退耕还林(草)生态补偿依然是研究的前沿课题,研究内容更加注重退耕农户的可持续生计和福祉以及退耕地域空间动态变化特征。因此,提出了在中国扶贫战略转型与森林生态补偿制度创新需要的指引下,退耕还林生态补偿研究要注重理论内容的纵向研究,加强作者机构之间的合作,注重多学科之间的交叉研究。
基金the National Science and Technology Support Program(2013BAC03B05)National Natural Science Foundation of China(41371486)
文摘Evaluation of the ecological effects of eco-compensation policies helps analyze policy rationality and feasibility and provides scientific and practical bases for perfecting eco-compensation systems. Taking the key ecological function area of the Loess Plateau, China as a case study, we have evaluated ecosystem responses to the Grain-for-Green Project that commenced in 1999. Six indicators were selected to assess changes in ecosystem structure, quality and function. The results showed that implementation of the Grain-for-Green Project has reduced sloping cropland by 1571 km2 and increased ecological land by 1337 km2. The increase in ecological land alters ecosystem structures across the study area and the decline in sloping cropland reduces farming activity interference; both of these are conducive to the restoration of natural vegetation. From 2000 to 2010, the vegetation cover of grassland, desert and forest ecosystems increased 10.89%, 8.34% and 4.24% respectively and average NPP rose 51%, with an average annual growth rate of around 5%. This indicates that eco-compensation has promoted the improvement of ecosystem quality. Total biomass of ecosystems increased two times on average from 2000 to 2010, meaning that the carbon sequestration capacity of ecosystems also increased. The reduction in the area of water loss and soil erosion and the increase in retained runoff by forests indicate an improvement in ecosystem function and services on the Loess Plateau.
