[Background]Soil erosion,the process by which soil is eroded,transported,and deposited by external forces like wind and water,is a widespread global phenomenon with significant env ironmental and economic impacts.Over...[Background]Soil erosion,the process by which soil is eroded,transported,and deposited by external forces like wind and water,is a widespread global phenomenon with significant env ironmental and economic impacts.Over the past two decades,China's soil erosion research has made significant strides,reaching a world-class level in both quality and quantity.However,there has been a lack of comprehensive studies summarizing the overall situation and development trends in this field.This study aims to fill that gap by providing an overview of the current status and trends in China's soil erosion research.[Methods]This study employed bibliometric methods to analyze 6588 journal articles on soil erosion in China,collected from the Scopus database.The analysis focused on several key aspects,including the number of publications,subject areas,leading research institutes,funding organizations,key research themes,and patterns of international collaboration.Additionally,network maps were generated using VOSviewer to visualize the intellectual structure and connections within the research field,offering insights into how different research topics and institutes are interconnected.[Results]The findings reveal a significant increase in the number of publications since the 1980s,rising from just 4 articles in 1981 to 699 articles in 2023.While soil erosion research is multidisciplinary in nature,the most popular subject areas were“Environmental Science”“Agriculture and Biological Sciences”and“Earth and Planetary Sciences”.The Chinese Academy of Sciences is the most productive institute,with several universities and government research institutes also making substantial contributions.The primary funding source was government organizations,with the National Natural Science Foundation of China being the largest funder.Journals focusing on water and soil,ecology,and environmental sciences were the primary platforms for publishing soil erosion research in China.Catena,Science of the Total Environment,Transactions of CSAM,and Acta Ecologica Sinica were the most productive journals.Six international collaboration networks were identified in this field.There are collaboration networks in this field.The large cluster is centered on China,connecting some European Union countries.This is followed by a small cluster of commonwealth countries headed by the United Kingdom.The rest are bilateral collaborations between two countries that do not form networks.The major research themes identified were“soil erosion and land degradation”“erosion dynamics and drivers”“soil erosion process and mechanism”and“erosion monitoring technology”.Earlier research was heavily focused on topics such as“GIS”“remote sensing”“Cs-137”“landscape pattern”“vegetation restoration”“simulated rainfall”“loess plateau”and“black soil.”In contrast,recent studies have shifted towards“climate change”“ecosystem services”“soil erodibility”“gully erosion”and“RUSLE”.[Conclusions]This study offers a comprehensive overview of China's soil erosion research,serving as a valuable resource for researchers and policy-makers interested in understanding the knowledge structure and development trends in this field.Additionally,the study highlights emerging research topics and potential areas for future exploration,thereby guiding the direction of subsequent studies in soil erosion.展开更多
为研究露天矿排土场不同复垦模式下多种土壤酶与土壤肥力因子的相关程度,采集阜新市海州露天矿排土场3种复垦模式(刺槐林地、白榆林地、草地)和荒裸地的0~5,5~10,10~20和20~30 cm 4个土层的土壤,利用单因素方差分析和典型相关分析(canon...为研究露天矿排土场不同复垦模式下多种土壤酶与土壤肥力因子的相关程度,采集阜新市海州露天矿排土场3种复垦模式(刺槐林地、白榆林地、草地)和荒裸地的0~5,5~10,10~20和20~30 cm 4个土层的土壤,利用单因素方差分析和典型相关分析(canonical correlation analysis)法分析排土场3种复垦模式下土壤酶活性和土壤肥力的相关性。3种复垦模式与荒裸地比较,土壤酶活性及土壤肥力显著提高(P<0.05)。相同深度白榆林地土壤酶活性显著高于其他复垦模式,且土壤肥力较高;同一样地随着土层深度的增加,土壤酶活性和土壤肥力呈现出逐渐降低的趋势。第1对典型变量相关系数0.998,表明综合土壤酶活性因子与综合土壤肥力因子具有显著的相关性。采用种植白榆的复垦模式对露天矿排土场土壤改良效果较好。不同复垦模式下土壤酶中蔗糖酶、蛋白酶和脲酶与土壤肥力相关性显著。典型相关变量组可以作为海州矿排土场土壤酶和土壤肥力指示因子。展开更多
基金National Science and Technology Council(112-2625-M-034-002-,113-2625-M-034-002-)。
文摘[Background]Soil erosion,the process by which soil is eroded,transported,and deposited by external forces like wind and water,is a widespread global phenomenon with significant env ironmental and economic impacts.Over the past two decades,China's soil erosion research has made significant strides,reaching a world-class level in both quality and quantity.However,there has been a lack of comprehensive studies summarizing the overall situation and development trends in this field.This study aims to fill that gap by providing an overview of the current status and trends in China's soil erosion research.[Methods]This study employed bibliometric methods to analyze 6588 journal articles on soil erosion in China,collected from the Scopus database.The analysis focused on several key aspects,including the number of publications,subject areas,leading research institutes,funding organizations,key research themes,and patterns of international collaboration.Additionally,network maps were generated using VOSviewer to visualize the intellectual structure and connections within the research field,offering insights into how different research topics and institutes are interconnected.[Results]The findings reveal a significant increase in the number of publications since the 1980s,rising from just 4 articles in 1981 to 699 articles in 2023.While soil erosion research is multidisciplinary in nature,the most popular subject areas were“Environmental Science”“Agriculture and Biological Sciences”and“Earth and Planetary Sciences”.The Chinese Academy of Sciences is the most productive institute,with several universities and government research institutes also making substantial contributions.The primary funding source was government organizations,with the National Natural Science Foundation of China being the largest funder.Journals focusing on water and soil,ecology,and environmental sciences were the primary platforms for publishing soil erosion research in China.Catena,Science of the Total Environment,Transactions of CSAM,and Acta Ecologica Sinica were the most productive journals.Six international collaboration networks were identified in this field.There are collaboration networks in this field.The large cluster is centered on China,connecting some European Union countries.This is followed by a small cluster of commonwealth countries headed by the United Kingdom.The rest are bilateral collaborations between two countries that do not form networks.The major research themes identified were“soil erosion and land degradation”“erosion dynamics and drivers”“soil erosion process and mechanism”and“erosion monitoring technology”.Earlier research was heavily focused on topics such as“GIS”“remote sensing”“Cs-137”“landscape pattern”“vegetation restoration”“simulated rainfall”“loess plateau”and“black soil.”In contrast,recent studies have shifted towards“climate change”“ecosystem services”“soil erodibility”“gully erosion”and“RUSLE”.[Conclusions]This study offers a comprehensive overview of China's soil erosion research,serving as a valuable resource for researchers and policy-makers interested in understanding the knowledge structure and development trends in this field.Additionally,the study highlights emerging research topics and potential areas for future exploration,thereby guiding the direction of subsequent studies in soil erosion.
文摘为研究露天矿排土场不同复垦模式下多种土壤酶与土壤肥力因子的相关程度,采集阜新市海州露天矿排土场3种复垦模式(刺槐林地、白榆林地、草地)和荒裸地的0~5,5~10,10~20和20~30 cm 4个土层的土壤,利用单因素方差分析和典型相关分析(canonical correlation analysis)法分析排土场3种复垦模式下土壤酶活性和土壤肥力的相关性。3种复垦模式与荒裸地比较,土壤酶活性及土壤肥力显著提高(P<0.05)。相同深度白榆林地土壤酶活性显著高于其他复垦模式,且土壤肥力较高;同一样地随着土层深度的增加,土壤酶活性和土壤肥力呈现出逐渐降低的趋势。第1对典型变量相关系数0.998,表明综合土壤酶活性因子与综合土壤肥力因子具有显著的相关性。采用种植白榆的复垦模式对露天矿排土场土壤改良效果较好。不同复垦模式下土壤酶中蔗糖酶、蛋白酶和脲酶与土壤肥力相关性显著。典型相关变量组可以作为海州矿排土场土壤酶和土壤肥力指示因子。
