Article(id=1312009795717128390, tenantId=1146029695717560320, journalId=1311385839672066169, issueId=1312009474789958403, articleNumber=null, orderNo=null, doi=10.13870/j.cnki.stbcxb.2026.04.029, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1769184000000, receivedDateStr=2026-01-24, revisedDate=1774281600000, revisedDateStr=2026-03-24, acceptedDate=1775577600000, acceptedDateStr=2026-04-08, onlineDate=1790737111261, onlineDateStr=2026-09-30, pubDate=1787846400000, pubDateStr=2026-08-28, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1790737111261, onlineIssueDateStr=2026-09-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1790737111261, creator=13701087609, updateTime=1790737111261, updator=13701087609, issue=Issue{id=1312009474789958403, tenantId=1146029695717560320, journalId=1311385839672066169, year='2026', volume='40', issue='4', pageStart='1', pageEnd='488', issueExtLink='null', onlineDate='null', pubDate='1787846400000', pubDateStr='2026-08-28', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=1, specialIssue=null, createTime=1790737034746, creator='13701087609', updateTime=1790739471092, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1312019693662204413, tenantId=1146029695717560320, journalId=1311385839672066169, issueId=1312009474789958403, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1312019693662204414, tenantId=1146029695717560320, journalId=1311385839672066169, issueId=1312009474789958403, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=227, endPage=236, ext={EN=ArticleExt(id=1312009795943620807, articleId=1312009795717128390, tenantId=1146029695717560320, journalId=1311385839672066169, language=EN, title=Morphological Changes and Influencing Factors of Headcut Scour Holes at Ephemeral Gullies within Herbaceous Communities in Loess Hilly-Gully Region, columnId=1312009477243626245, journalTitle=Journal of Soil and Water Conservation, columnName=Basic Research, runingTitle=null, highlight=null, articleAbstract=
Objective This study aims to investigate the morphological change process of scour holes at the headcut of ephemeral gullies on slopes with typical herbaceous communities and their main controlling factors. Methods Field runoff scouring experiments were conducted on slopes covered by three typical herbaceous communities in the loess hilly-gully region (Stipa bungeana, Lespedeza davurica, and Artemisia gmelinii). Close-range photogrammetry was applied to monitor morphological change processes of scour holes. Results 1) Significant differences in root mass density and soil properties were observed among different herbaceous communities. In the topsoil layer (0~0.2 m), the Artemisia gmelinii community exhibited significantly higher root mass density, root length density, total porosity, saturated water content, and aggregate mean weight diameter than the other two communities, while soil bulk density, cohesion, and penetration resistance showed the opposite pattern. 2) Herbaceous communities significantly affected the morphological characteristics of scour holes and their change processes. Morphological parameters, including width, height, depth, area, volume, shape factor, and depth-to-diameter ratio, showed fluctuating variations with scouring duration, following an increase-decrease-increase trend. Significant differences in morphological development of headcut scour holes at gullies were observed among different herbaceous communities, with the slowest development in the Artemisia gmelinii community, followed by Lespedeza davurica and Stipa bungeana. 3) Pearson correlation and partial least squares (PLS) analyses showed that root mass density, root length density, total porosity, saturated water content, and aggregate mean weight diameter significantly affected scour hole depth. PLS structural equation modeling (PLS-SEM) indicated that vegetation root traits and aggregate mean weight diameter were key factors affecting scour hole depth development, with total effects of -0.65 and -0.53, respectively. Vegetation roots significantly increased soil aggregate stability, thereby inhibiting scour hole development. Conclusion The findings provide important theoretical support for understanding mechanisms by which vegetation restoration influences headward erosion in ephemeral gullies.
, authors=Yu Wang
1, 2, Yatong Zhang
1, 2, Guanghui Zhang
1, 2, authorsList=Yu Wang, Yatong Zhang, Guanghui Zhang, authorCompany=null, correspAuthors=Guanghui Zhang, 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, fund=null), CN=ArticleExt(id=1312009799332618458, articleId=1312009795717128390, tenantId=1146029695717560320, journalId=1311385839672066169, language=CN, title=黄土丘陵沟壑区草本群落切沟沟头内凹洞形态变化及影响因素, columnId=1312009477407204103, journalTitle=水土保持学报, columnName=基础研究, runingTitle=null, highlight=null, articleAbstract=
目的 为探究典型草本群落坡面切沟沟头内凹洞形态变化过程及其主控因素。 方法 以黄土丘陵沟壑区典型草本群落(长芒草、胡枝子、铁杆蒿等)为研究对象,开展野外放水冲刷试验,利用近景摄影测量法监测内凹洞形态特征变化过程。 结果 1)不同草本群落根重密度和土壤性质差异显著,土壤表层(0~0.2 m)铁杆蒿群落根重密度、根长密度、总孔隙度、饱和含水量、团聚体平均重量直径显著大于其他草本群落,而土壤体积质量、黏结力和贯入阻力相反;2)草本群落显著影响内凹洞形态特征及其变化过程。内凹洞宽度、高度、深度、面积、体积、形状系数和深度直径比等形态特征均随冲刷时间呈增大-减小-增大波动性变化趋势。不同草本群落条件下沟头内凹洞的形态发育存在显著差异,铁杆蒿群落发育最慢,其次为胡枝子和长芒草群落;3)Pearson相关分析和PLS分析结果显示根重密度、根长密度、总孔隙度、饱和含水量、团聚体平均重量直径等显著影响内凹洞深度。偏最小二乘结构方程模型表明,植被根系特征与土壤团聚体稳定性是影响内凹洞深度发育的关键因子,总效应分别为-0.65和-0.53,植被根系显著提高土壤团聚体稳定性,进而阻控内凹洞发育。 结论 为解析植被恢复影响切沟溯源侵蚀机制提供重要的理论依据。
, authors=王宇
1, 2, 张雅童
1, 2, 张光辉
1, 2, authorsList=王宇, 张雅童, 张光辉, authorCompany=null, correspAuthors=张光辉, authorNote=
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王宇(2002—),男,硕士研究生,主要从事土壤侵蚀与水土保持研究。E-mail:wangyu2025@mail.bnu.edu.cn
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王宇(2002—),男,硕士研究生,主要从事土壤侵蚀与水土保持研究。E-mail:wangyu2025@mail.bnu.edu.cn
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1.北京师范大学地理科学学部,北京 100875)]), AuthorCompany(id=1312009799676551390, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, xref=2., ext=[AuthorCompanyExt(id=1312009799684939999, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, companyId=1312009799676551390, language=EN, country=null, province=null, city=null, postcode=null, companyName=null, departmentName=null, remark=
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2.北京师范大学地表过程与;水土风沙灾害风险防控全国重点实验室,北京 100875)])], figs=[ArticleFig(id=1312009801165529341, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=EN, label=Fig.1, caption=
Location of Zhifanggou watershed and distribution of sampling plots, figureFileSmall=iJIyjeVjZ1QW14Eiq1g7mQ==, figureFileBig=eKXFDsdqBE1j+zqAuN71tg==, tableContent=null), ArticleFig(id=1312009801232638206, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=CN, label=图1, caption=
纸坊沟流域地理位置及样地分布, figureFileSmall=iJIyjeVjZ1QW14Eiq1g7mQ==, figureFileBig=eKXFDsdqBE1j+zqAuN71tg==, tableContent=null), ArticleFig(id=1312009801425576191, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=EN, label=Fig.2, caption=
Photographs at initial and final experimental stages and digital elevation models (DEMs) of headcut walls in different herbaceous communities, figureFileSmall=kt1jk0054rTsQx8SuGJE7A==, figureFileBig=WY+kcTjVDxHX0T6pKoC3tg==, tableContent=null), ArticleFig(id=1312009801492685056, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=CN, label=图2, caption=
各草本群落试验初始、试验结束时照片及沟头壁面DEM, figureFileSmall=kt1jk0054rTsQx8SuGJE7A==, figureFileBig=WY+kcTjVDxHX0T6pKoC3tg==, tableContent=null), ArticleFig(id=1312009801555599617, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=EN, label=Fig.3, caption=
Coordinate system of runoff scouring plot, figureFileSmall=cBdMC0+3riYUhVCzYxExQg==, figureFileBig=UsOSrZl31THXquTvCBtcBA==, tableContent=null), ArticleFig(id=1312009801626902786, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=CN, label=图3, caption=
径流冲刷小区坐标系, figureFileSmall=cBdMC0+3riYUhVCzYxExQg==, figureFileBig=UsOSrZl31THXquTvCBtcBA==, tableContent=null), ArticleFig(id=1312009801698205955, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=EN, label=Fig.4, caption=
Differences in soil properties among different herbaceous communities, figureFileSmall=T2Bxksr7Z0seiFzuPQsH1w==, figureFileBig=j3hQ4nkJ8AD4hwDBA5M50w==, tableContent=null), ArticleFig(id=1312009801769509124, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=CN, label=图4, caption=
不同草本群落土壤性质差异注:箱体下边界对应第一四分位数,上边界对应第三四分位数,箱体内部的横线为中位数,白色圆形为平均数,黑色菱形为异常值。
, figureFileSmall=T2Bxksr7Z0seiFzuPQsH1w==, figureFileBig=j3hQ4nkJ8AD4hwDBA5M50w==, tableContent=null), ArticleFig(id=1312009801840812293, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=EN, label=Fig.5, caption=
Variations of root characteristics with sampling depth under different herbaceous communities, figureFileSmall=pH53FTud4whfV/2yrKHjDw==, figureFileBig=f6taFx40Tb+LSRqU0RtcMw==, tableContent=null), ArticleFig(id=1312009801907921158, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=CN, label=图5, caption=
不同草本群落根系特性随采样深度的变化, figureFileSmall=pH53FTud4whfV/2yrKHjDw==, figureFileBig=f6taFx40Tb+LSRqU0RtcMw==, tableContent=null), ArticleFig(id=1312009803535311111, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=EN, label=Fig.6, caption=
Variations in morphological characteristics of headcut scour holes with scouring duration under different herbaceous communities, figureFileSmall=5a403KhpvnrQKgrHjishcg==, figureFileBig=JxCQfnx2Gcp4+nvgGjWXNA==, tableContent=null), ArticleFig(id=1312009803610808585, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=CN, label=图6, caption=
不同草本群落沟头内凹洞形态特征随冲刷历时变化, figureFileSmall=5a403KhpvnrQKgrHjishcg==, figureFileBig=JxCQfnx2Gcp4+nvgGjWXNA==, tableContent=null), ArticleFig(id=1312009803682111754, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=EN, label=Fig.7, caption=
Correlation heatmap of scour hole depth with soil properties and root characteristics, figureFileSmall=seT4EpfAfrbIA4/jpmG5MA==, figureFileBig=bpT0rkwggaszI/cRvKKabA==, tableContent=null), ArticleFig(id=1312009803761803531, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=CN, label=图7, caption=
内凹洞深度与土壤性质及根系特征间的相关性热图注:*、**分别表示p<0.05、p<0.01;Mn-Ds、Mx-Ds分别为内凹洞平均和最大深度;BD、SWC、TP、SHC、Coh、PR、SOM、MWD、CL、SI、SA、RMD、RLD、RSAD、RVD分别为土壤体积质量、饱和含水量、总孔隙度、饱和导水率、黏结力、贯入阻力、有机质质量分数、团聚体平均重量直径、黏粒体积分数、粉粒体积分数、砂粒体积分数、根重密度、根长密度、根表面积密度、根体积密度。下同。
, figureFileSmall=seT4EpfAfrbIA4/jpmG5MA==, figureFileBig=bpT0rkwggaszI/cRvKKabA==, tableContent=null), ArticleFig(id=1312009803833106700, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=EN, label=Fig.8, caption=
Variable importance in projection (VIP) and standardized regression coefficients of influencing factors on scour hole depth, figureFileSmall=hKP9zkWQJkQn6uEUaFcc5A==, figureFileBig=Du10y/JWeW43afc94cc8xg==, tableContent=null), ArticleFig(id=1312009803900215565, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=CN, label=图8, caption=
内凹洞深度影响因素的变量重要性投影(VIP)与标准化回归系数, figureFileSmall=hKP9zkWQJkQn6uEUaFcc5A==, figureFileBig=Du10y/JWeW43afc94cc8xg==, tableContent=null), ArticleFig(id=1312009803963130127, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=EN, label=Fig.9, caption=
Effects of soil properties and root characteristics on scour hole depth, figureFileSmall=5pa+uuJvACM8gnNb9TQz7g==, figureFileBig=Apr0n47Vyzu7JqSi4rMuuA==, tableContent=null), ArticleFig(id=1312009804034433296, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=CN, label=图9, caption=
土壤性质和根系特征对内凹洞深度的影响注:箭头表示作用路径,箭头上的数字为路径系数;黑色表示正相关,红色表示负相关;线的粗细表示影响程度;R2反映模型解释的方差比例;GOF为模型整体拟合优度。
, figureFileSmall=5pa+uuJvACM8gnNb9TQz7g==, figureFileBig=Apr0n47Vyzu7JqSi4rMuuA==, tableContent=null), ArticleFig(id=1312009804097347857, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=EN, label=Table 1, caption=
Basic information of sampling plots
, figureFileSmall=null, figureFileBig=null, tableContent=
| 编号 | 植物 种类 | 根系 形态 | 海拔/m | 坡向 | 植被覆盖度 | 土壤质地/% |
|---|
| 黏粒 | 粉粒 | 砂粒 |
|---|
| 1 | 长芒草 | 须根系 | 1 141.4 | SE | 0.86 | 4.81b | 69.85a | 25.36a |
| 2 | 胡枝子 | 须根系 | 1 141.5 | SE | 0.44 | 4.93b | 68.52a | 26.55a |
| 3 | 铁杆蒿 | 直根系 | 1 134.2 | NE | 0.55 | 6.61a | 66.88b | 26.54a |
), ArticleFig(id=1312009804164456722, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=CN, label=表1, caption=
样地基本信息
, figureFileSmall=null, figureFileBig=null, tableContent=
| 编号 | 植物 种类 | 根系 形态 | 海拔/m | 坡向 | 植被覆盖度 | 土壤质地/% |
|---|
| 黏粒 | 粉粒 | 砂粒 |
|---|
| 1 | 长芒草 | 须根系 | 1 141.4 | SE | 0.86 | 4.81b | 69.85a | 25.36a |
| 2 | 胡枝子 | 须根系 | 1 141.5 | SE | 0.44 | 4.93b | 68.52a | 26.55a |
| 3 | 铁杆蒿 | 直根系 | 1 134.2 | NE | 0.55 | 6.61a | 66.88b | 26.54a |
), ArticleFig(id=1312009804244148499, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=EN, label=Table 2, caption=
Parameters of partial least squares (PLS) regres-sion models for mean and maximum scour hole depths
, figureFileSmall=null, figureFileBig=null, tableContent=
| 影响因素 | 内凹洞平均深度模型回归系数 | 内凹洞最大深度模型回归系数 |
|---|
| RMD/(kg·m-3) | -0.364 | -0.268 |
| RLD/(km·m-3) | -0.002 | -0.005 |
| BD/(kg·m-3) | 0.226 | 0.062 |
| SWC/% | -0.004 | -0.002 |
| TP/% | 0.008 | -0.003 |
| SHC/(cm·min-1) | 0.591 | 0.412 |
| MWD/mm | -0.004 | -0.010 |
| CL/% | 0.005 | -0.004 |
| SI/% | -0.003 | -0.003 |
| SA/% | 0.002 | 0.004 |
| Pr/kPa | -0.008 | -0.012 |
| Coh/kPa | 0.006 | 0 |
| SOM/% | 0.012 | 0.063 |
| R2 | 0.940 | 0.960 |
| RMSE/m | 0.010 | 0.010 |
), ArticleFig(id=1312009804319645972, tenantId=1146029695717560320, journalId=1311385839672066169, articleId=1312009795717128390, language=CN, label=表2, caption=
内凹洞平均深度、最大深度PLS回归模型的参数
, figureFileSmall=null, figureFileBig=null, tableContent=
| 影响因素 | 内凹洞平均深度模型回归系数 | 内凹洞最大深度模型回归系数 |
|---|
| RMD/(kg·m-3) | -0.364 | -0.268 |
| RLD/(km·m-3) | -0.002 | -0.005 |
| BD/(kg·m-3) | 0.226 | 0.062 |
| SWC/% | -0.004 | -0.002 |
| TP/% | 0.008 | -0.003 |
| SHC/(cm·min-1) | 0.591 | 0.412 |
| MWD/mm | -0.004 | -0.010 |
| CL/% | 0.005 | -0.004 |
| SI/% | -0.003 | -0.003 |
| SA/% | 0.002 | 0.004 |
| Pr/kPa | -0.008 | -0.012 |
| Coh/kPa | 0.006 | 0 |
| SOM/% | 0.012 | 0.063 |
| R2 | 0.940 | 0.960 |
| RMSE/m | 0.010 | 0.010 |
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