Article(id=1149670643609809634, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1149670639897854094, articleNumber=1671-1807(2025)10-0134-07, orderNo=null, doi=, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1730822400000, receivedDateStr=2024-11-06, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1752032441284, onlineDateStr=2025-07-09, pubDate=1748102400000, pubDateStr=2025-05-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1752032441284, onlineIssueDateStr=2025-07-09, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1752032441284, creator=13701087609, updateTime=1757563424372, updator=13701087609, issue=Issue{id=1149670639897854094, tenantId=1146029695717560320, journalId=1146123222451335185, year='2025', volume='25', issue='10', pageStart='1', pageEnd='377', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1752032440399, creator=13701087609, updateTime=1756780756355, updator=15831073675, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1169586520596947842, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1149670639897854094, language=EN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1169586520596947843, tenantId=1146029695717560320, journalId=1146123222451335185, issueId=1149670639897854094, language=CN, specialIssueTitle=, coverIllustrator=, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=134, endPage=140, ext={EN=ArticleExt(id=1151877659413278752, articleId=1149670643609809634, tenantId=1146029695717560320, journalId=1146123222451335185, language=EN, title=Temporal and Spatial Variation Characteristics of Agricultural Non Point Source Pollution in Yuanjiang River Basin of Hunan Province, columnId=1151877659354558495, journalTitle=Science Technology and Industry, columnName=Regional Practice, runingTitle=null, highlight=null, articleAbstract=
The migration trajectory of agricultural surface source pollution in watersheds and the factors influencing it are of great theoretical and practical significance. Further study of these factors would be beneficial in the prevention and control of surface source pollution in watersheds. An analysis of panel data on agricultural surface source pollution loads within the Yuanjiang River Basin in Hunan Province from 2013 to 2022 was analyzed to investigate the spatial and temporal characteristics of this phenomenon. The results demonstrate that the total nitrogen and total phosphorus pollutant loads in the Yuanjiang River Basin of Hunan Province from 2013 to 2022 exhibit a general decreasing trend, with a spatial pattern of “more in the east and less in the west”. Additionally, the intensity of pollutant loads demonstrates a decreasing trend, with a spatial decrease from a northeast-southwest line to both sides. The intensity of pollution loads is also observed to be decreasing, exhibiting a pattern of decline from the northeast to the southwest. Additionally, the migration trajectory of the center of gravity of the pollution loads is identified to be generally V-shaped, with an eastward migration.
, correspAuthors=null, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, authorCompany=null, fund=null, authors=null, authorsList=Peng DING, Xinghao LÜ, Jianwei LI, Dajuan WAN, Tengyue YUAN, Shu YU), CN=ArticleExt(id=1151877688567886794, articleId=1149670643609809634, tenantId=1146029695717560320, journalId=1146123222451335185, language=CN, title=湖南省沅江流域农业面源污染时空变化特征研究, columnId=1151877659916595238, journalTitle=科技和产业, columnName=区域实践, runingTitle=null, highlight=null, articleAbstract=研究流域农业面源污染的迁移轨迹,探讨其影响因素,对于推动流域面源污染防控具有重要的理论和现实意义。分析了2013—2022年湖南省沅江流域内农业面源污染负荷的面板数据,探究其时空变化特征。结果显示:2013—2022年湖南省沅江流域内总氮、总磷污染物负荷量总体呈现下降趋势,在空间上呈现“东多西少”的格局;污染负荷强度呈递减趋势,空间上表现由东北-西南一线向两边递减的格局;污染负荷强度重心迁移轨迹总体呈V形并向东迁移。, correspAuthors=null, authorNote=null, correspAuthorsNote=
万大娟(1975—),女,湖南安乡人,博士,教授,研究方向为生态环境评价与规划、生态经济与可持续发展
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丁鹏(1997—),男,江苏南京人,硕士研究生,研究方向为农业水污染研究与治理;
吕星浩(1981—),男,吉林伊通人,高级工程师,研究方向为生态环境调查与评价;
李剑炜(1974—),男,湖南怀化人,高级工程师,研究方向为生态环境监测与综合评价;
袁腾跃(1982—),男,湖南娄底人,博士研究生,研究方向为生态环境评价与规划;
于澍(1998—),男,山东枣庄人,硕士研究生,研究方向为区域环境与生态修复。
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1, address=1. School of Geographical Sciences, Hunan Normal University, Changsha 410000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1173173746736186158, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670643609809634, authorId=1173173746593579819, language=CN, stringName=丁鹏, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
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丁鹏(1997—),男,江苏南京人,硕士研究生,研究方向为农业水污染研究与治理;
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丁鹏(1997—),男,江苏南京人,硕士研究生,研究方向为农业水污染研究与治理;
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2, address=2. Xiangxi Tujia and Miao Autonomous Prefecture Environmental Assessment Service Center, Xiangxi 416000, Hunan, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1173173746933318451, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670643609809634, authorId=1173173746786517808, language=CN, stringName=吕星浩, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
2, address=2. 湘西州环境评估服务中心, 湖南 湘西 416000, bio={"content":"
吕星浩(1981—),男,吉林伊通人,高级工程师,研究方向为生态环境调查与评价;
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吕星浩(1981—),男,吉林伊通人,高级工程师,研究方向为生态环境调查与评价;
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3, address=3. Hunan Province Huaihua Ecological Environment Monitoring Center, Huaihua 418000, Hunan, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1173173747117867832, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670643609809634, authorId=1173173747004621621, language=CN, stringName=李剑炜, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
3, address=3. 湖南省怀化生态环境监测中心, 湖南 怀化 418000, bio={"content":"
李剑炜(1974—),男,湖南怀化人,高级工程师,研究方向为生态环境监测与综合评价;
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李剑炜(1974—),男,湖南怀化人,高级工程师,研究方向为生态环境监测与综合评价;
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1, address=1. 湖南师范大学地理科学学院, 长沙 410000, bio={"content":"
袁腾跃(1982—),男,湖南娄底人,博士研究生,研究方向为生态环境评价与规划;
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袁腾跃(1982—),男,湖南娄底人,博士研究生,研究方向为生态环境评价与规划;
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1, address=1. School of Geographical Sciences, Hunan Normal University, Changsha 410000, China, bio=null, bioImg=null, bioContent=null, aboutCorrespAuthor=null), CN=AuthorExt(id=1173173747721847623, tenantId=1146029695717560320, journalId=1146123222451335185, articleId=1149670643609809634, authorId=1173173747587629892, language=CN, stringName=于澍, firstName=null, middleName=null, lastName=null, prefix=null, suffix=null, authorComment=null, nameInitials=null, affiliation=null, department=null, xref=
1, address=1. 湖南师范大学地理科学学院, 长沙 410000, bio={"content":"
于澍(1998—),男,山东枣庄人,硕士研究生,研究方向为区域环境与生态修复。
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于澍(1998—),男,山东枣庄人,硕士研究生,研究方向为区域环境与生态修复。
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湖南省沅江流域地形 基于审图号为GS(2024)0650号标准地图制作,底图无修改
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湖南省沅江流域农业面源污染负荷量分布 基于审图号为GS(2024)0650号标准地图制作,底图无修改
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| 年份 | 乡村人口/ 万人 | 猪存栏/ 万头 | 家禽存笼/ 万羽 | 牛存栏/ 万头 | 水产养殖/ 万t | 农作物播种面积/ 千hm2 | 人均农业产值/ (元·人-1) |
| 2013 | 694.45 | 482.34 | 3 888.34 | 114.48 | 12.82 | 1 281.92 | 3 184.61 |
| 2014 | 686.37 | 478.51 | 4 066.55 | 120.68 | 14.09 | 1 299.54 | 3 337.26 |
| 2015 | 677.85 | 463.23 | 4 297.81 | 125.03 | 14.93 | 1 311.44 | 3 598.56 |
| 2016 | 664.81 | 448.34 | 4 193.59 | 112.62 | 15.38 | 1 311.08 | 4 128.23 |
| 2017 | 656.96 | 437.00 | 3 978.01 | 89.85 | 15.28 | 1 237.62 | 4 288.97 |
| 2018 | 650.33 | 402.58 | 3 997.45 | 91.28 | 15.01 | 1 102.15 | 4 111.74 |
| 2019 | 539.52 | 423.31 | 4 350.17 | 96.57 | 14.21 | 1 136.62 | 4 583.07 |
| 2020 | 437.88 | 458.50 | 4 653.43 | 96.33 | 12.84 | 1 137.58 | 6 711.48 |
| 2021 | 428.24 | 507.91 | 4 611.98 | 96.35 | 12.98 | 1 152.36 | 5 753.26 |
| 2022 | 421.90 | 498.05 | 4 524.64 | 96.35 | 13.26 | 1 161.95 | 6 189.53 |
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湖南省沅江流域相关数据统计
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| 年份 | 乡村人口/ 万人 | 猪存栏/ 万头 | 家禽存笼/ 万羽 | 牛存栏/ 万头 | 水产养殖/ 万t | 农作物播种面积/ 千hm2 | 人均农业产值/ (元·人-1) |
| 2013 | 694.45 | 482.34 | 3 888.34 | 114.48 | 12.82 | 1 281.92 | 3 184.61 |
| 2014 | 686.37 | 478.51 | 4 066.55 | 120.68 | 14.09 | 1 299.54 | 3 337.26 |
| 2015 | 677.85 | 463.23 | 4 297.81 | 125.03 | 14.93 | 1 311.44 | 3 598.56 |
| 2016 | 664.81 | 448.34 | 4 193.59 | 112.62 | 15.38 | 1 311.08 | 4 128.23 |
| 2017 | 656.96 | 437.00 | 3 978.01 | 89.85 | 15.28 | 1 237.62 | 4 288.97 |
| 2018 | 650.33 | 402.58 | 3 997.45 | 91.28 | 15.01 | 1 102.15 | 4 111.74 |
| 2019 | 539.52 | 423.31 | 4 350.17 | 96.57 | 14.21 | 1 136.62 | 4 583.07 |
| 2020 | 437.88 | 458.50 | 4 653.43 | 96.33 | 12.84 | 1 137.58 | 6 711.48 |
| 2021 | 428.24 | 507.91 | 4 611.98 | 96.35 | 12.98 | 1 152.36 | 5 753.26 |
| 2022 | 421.90 | 498.05 | 4 524.64 | 96.35 | 13.26 | 1 161.95 | 6 189.53 |
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| 种类 | TN | TP |
| 农业种植/(kg·hm-2·a-1) | 8.28 | 1.09 |
| 水产/(kg·t-1·a-1) | 2.13 | 0.18 |
| 禽畜/(kg·头羽-1·a-1) | 牛 | 5.33 | 1.12 |
| 猪 | 0.63 | 0.15 |
| 家禽 | 0.41×10-1 | 0.73×10-2 |
| 人口(kg·人-1·a-1) | 2.10 | 0.15 |
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各污染物输出系数取值
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| 种类 | TN | TP |
| 农业种植/(kg·hm-2·a-1) | 8.28 | 1.09 |
| 水产/(kg·t-1·a-1) | 2.13 | 0.18 |
| 禽畜/(kg·头羽-1·a-1) | 牛 | 5.33 | 1.12 |
| 猪 | 0.63 | 0.15 |
| 家禽 | 0.41×10-1 | 0.73×10-2 |
| 人口(kg·人-1·a-1) | 2.10 | 0.15 |
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