Article(id=1276203028587877228, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1276202956391313894, articleNumber=null, orderNo=null, doi=10.3981/j.issn.1000-7857.2026.04.00039, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1775059200000, receivedDateStr=2026-04-02, revisedDate=1778342400000, revisedDateStr=2026-05-10, acceptedDate=null, acceptedDateStr=null, onlineDate=1782200112721, onlineDateStr=2026-06-23, pubDate=1781280000000, pubDateStr=2026-06-13, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1782200112721, onlineIssueDateStr=2026-06-23, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1782200112720, creator=13701087609, updateTime=1782200112720, updator=13701087609, issue=Issue{id=1276202956391313894, tenantId=1146029695717560320, journalId=1146031591421210625, year='2026', volume='44', issue='11', pageStart='1', pageEnd='136', issueExtLink='null', onlineDate='null', pubDate='null', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1782200095507, creator=13701087609, updateTime=1782200147766, updator=13701087609, preIssue=null, nextIssue=null, ext={EN=IssueExt(id=1276203176344810276, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1276202956391313894, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1276203176344810277, tenantId=1146029695717560320, journalId=1146031591421210625, issueId=1276202956391313894, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null}, startPage=96, endPage=109, ext={EN=ArticleExt(id=1276203029032473454, articleId=1276203028587877228, tenantId=1146029695717560320, journalId=1146031591421210625, language=EN, title=Spatial patterns and coupling of mitigation potential and costs in China's agricultural system: A multi−scenario spatial autocorrelation analysis, columnId=1150494644690366681, journalTitle=Science & Technology Review, columnName=Papers, runingTitle=null, highlight=null, articleAbstract=
Under carbon neutrality targets, understanding the spatial heterogeneity of agricultural carbon mitigation and its linkage with resource endowments and economic constraints is of critical importance. This study constructs baseline and mitigation scenarios and applies global and local spatial autocorrelation methods, including Moran's I, Local Indicators of Spatial Association (LISA), and spatial difference Moran's I, to investigate the spatial patterns and dynamic evolution of cropland distribution, mitigation cost, and emission reduction potential in China's agricultural system. The results show that: (1) Key variables exhibit significant spatial clustering, with global Moran's I ranging from 0.218 to 0.363, indicating a stable positive spatial dependence overall. This positive spatial correlation implies that high−value regions tend to be adjacent to other high−value regions, reflecting the spatial aggregation of areas with similar resource endowments; (2) Local spatial patterns show pronounced regional heterogeneity, with high–high clusters of cropland decreasing from about 8.8% to 2.9%, while low−cost clusters shrink from approximately 14.7% under the baseline scenario to about 5.9% under the mitigation scenario, indicating an overall optimization of the spatial structure; (3) Significant spatial coupling exists between variables, as the bivariate Moran's I between cropland and net cost decreases from approximately 0.431 to 0.192, suggesting that policy interventions weaken the spatial association between resource endowment and cost; (4) Spatial difference analysis indicates that the spatial dependence of cropland change becomes insignificant (from 0.385), whereas that of net cost change remains significantly positive. Overall, the mitigation scenario improves the spatial configuration of the agricultural system to some extent, although regional disparities and structural imbalances persist.
, correspAuthors=Rong WANG, authorNote=null, correspAuthorsNote=null, copyrightStatement=
All rights reserved. Unauthorized reproduction is prohibited., 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=Xingqi XIA, Xiaofan XING, Rong WANG), CN=ArticleExt(id=1276203030307541880, articleId=1276203028587877228, tenantId=1146029695717560320, journalId=1146031591421210625, language=CN, title=中国农业系统减排潜力与成本的空间格局及其耦合关系——基于空间自相关分析的情景比较, columnId=1146540929516700224, journalTitle=科技导报, columnName=研究论文, runingTitle=null, highlight=null, articleAbstract=
在碳中和目标背景下,农业系统碳减排的空间差异及其资源与经济约束关系成为关键科学问题。本研究构建基准与减排情景,运用莫兰指数(Moran's I)、局部空间自相关指数(local indicators of spatial association,LISA)集聚图及差分空间自相关方法,分析中国农业系统耕地资源、成本与减排潜力的空间格局及演化特征。结果表明:(1) 农业系统关键变量普遍存在显著空间集聚特征,全局Moran's I介于0.218~0.363,表明整体呈稳定正相关结构,正空间相关特征意味着高值地区倾向于与高值区域相邻,其反映出具有相似资源条件的地区在空间上存在聚集;(2) 局部空间结构呈现明显区域差异性,其中耕地面积高值集聚区由约8.8%降低至2.9%,而净成本低值区在从基准情景下的约14.7%收缩至减排情景下的约5.9%,空间结构趋于优化;(3) 变量之间存在显著空间耦合关系,耕地面积与净成本的双变量Moran's I由约0.431下降至0.192,表明政策干预削弱了资源与成本的强空间相关性;(4) 差分分析显示,耕地变化的空间相关性由0.385降至不显著,而净成本变化仍保持显著集聚。研究表明,减排情景在一定程度上优化了农业系统的空间结构,但区域差异与结构性不均衡仍然存在。
, correspAuthors=王戎, authorNote=null, correspAuthorsNote=
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版权所有,未经授权,不得转载。, copyrightOwner=《科技导报》编辑部, extLink=null, articleAbsUrl=null, sourceXml=iWFZ15OTP72jd3hP0ckA1Q==, magXml=8u0Y4hct3Wz3aF3RN2XmXw==, pdfUrl=null, pdf=mqilMLrvrUkIklg85wNe9Q==, pdfFileSize=3720656, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=t8ilqtuCrl//4rR3cRDChQ==, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=XtPAl4gmSLotZ+SzqJlcxA==, mapNumber=null, authorCompany=null, fund=null, authors=
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1Department of Environmental Science and Engineering, Fudan University, Shanghai 200438, China
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1复旦大学环境科学与工程系,上海 200438
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36(12): 102-108., articleTitle=区域差异视角下中国农业碳排放的时空特征与影响因素研究, refAbstract=null), Reference(id=1276203041468584918, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1276203028587877228, doi=null, pmid=null, pmcid=null, year=2024, volume=57, issue=22, pageStart=4507, pageEnd=4521, url=null, language=null, rfNumber=[47], rfOrder=46, authorNames=田云, 王骁睿, 尹忞昊, journalName=中国农业科学, refType=null, unstructuredReference=田云, 王骁睿, 尹忞昊,
等 . 中国农业净碳汇再测算: 现状特征、时空格局及其影响因素[J].
中国农业科学,
2024,
57(22): 4507-4521., articleTitle=中国农业净碳汇再测算: 现状特征、时空格局及其影响因素, refAbstract=null)], funds=[Fund(id=1276203037538522021, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1276203028587877228, awardId=SRICSPYF−ZY2025151, language=CN, fundingSource=中央高校青年教师科研创新能力支持项目(SRICSPYF−ZY2025151), fundOrder=null, country=null), Fund(id=1276203037605630886, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1276203028587877228, awardId=2022YFF0802504, language=CN, fundingSource=国家重点研发计划项目(2022YFF0802504), fundOrder=null, country=null), Fund(id=1276203037672739751, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1276203028587877228, awardId=22TQ005, language=CN, fundingSource=上海市科委基础研究特区计划项目(22TQ005), fundOrder=null, country=null)], companyList=[AuthorCompany(id=1276203030613726074, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1276203028587877228, xref=1, ext=[AuthorCompanyExt(id=1276203030622114683, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1276203028587877228, companyId=1276203030613726074, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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| 变量 | 情景 | Moran's I | P值 | Z得分 |
|---|
| 耕地面积 | 2020年 | 0.364 | 0.003 | 3.52 |
| 基准情景 | 0.331 | 0.006 | 3.27 |
| 减排情景 | 0.323 | 0.005 | 3.12 |
| 总成本 | 2020年 | 0.294 | 0.012 | 2.86 |
| 基准情景 | 0.297 | 0.011 | 2.90 |
| 减排情景 | 0.231 | 0.016 | 2.42 |
| 净成本 | 2020年 | 0.349 | 0.003 | 3.55 |
| 基准情景 | 0.336 | 0.003 | 3.45 |
| 减排情景 | 0.218 | 0.009 | 2.92 |
| 减排潜力 | 减排情景 | 0.306 | 0.010 | 2.86 |
), ArticleFig(id=1276203037400109988, tenantId=1146029695717560320, journalId=1146031591421210625, articleId=1276203028587877228, language=CN, label=表1, caption=
中国农业系统关键变量的全局空间自相关指数(Moran's I)
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| 变量 | 情景 | Moran's I | P值 | Z得分 |
|---|
| 耕地面积 | 2020年 | 0.364 | 0.003 | 3.52 |
| 基准情景 | 0.331 | 0.006 | 3.27 |
| 减排情景 | 0.323 | 0.005 | 3.12 |
| 总成本 | 2020年 | 0.294 | 0.012 | 2.86 |
| 基准情景 | 0.297 | 0.011 | 2.90 |
| 减排情景 | 0.231 | 0.016 | 2.42 |
| 净成本 | 2020年 | 0.349 | 0.003 | 3.55 |
| 基准情景 | 0.336 | 0.003 | 3.45 |
| 减排情景 | 0.218 | 0.009 | 2.92 |
| 减排潜力 | 减排情景 | 0.306 | 0.010 | 2.86 |
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