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Article(id=1322927114890118051, tenantId=1146029695717560320, journalId=1322258771877134531, issueId=1322924574345670676, articleNumber=null, orderNo=null, doi=10.14067/j.cnki.1673-923x.2026.07.007, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1751558400000, receivedDateStr=2025-07-04, revisedDate=1757260800000, revisedDateStr=2025-09-08, acceptedDate=null, acceptedDateStr=null, onlineDate=1793340002986, onlineDateStr=2026-10-30, pubDate=1784908800000, pubDateStr=2026-07-25, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793340002986, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793340002986, creator=13701087609, updateTime=1793340002986, updator=13701087609, issue=Issue{id=1322924574345670676, tenantId=1146029695717560320, journalId=1322258771877134531, year='2026', volume='46', issue='7', pageStart='1', pageEnd='234', issueExtLink='null', onlineDate='null', pubDate='1784908800000', pubDateStr='2026-07-25', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793339397274, creator='13701087609', updateTime=1793344662547, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322946659029746602, tenantId=1146029695717560320, journalId=1322258771877134531, issueId=1322924574345670676, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322946659029746603, tenantId=1146029695717560320, journalId=1322258771877134531, issueId=1322924574345670676, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=70, endPage=79, ext={EN=ArticleExt(id=1322927116429427620, articleId=1322927114890118051, tenantId=1146029695717560320, journalId=1322258771877134531, language=EN, title=Effects of initial planting density on stand growth of four Populus sect. Aigeiros clones in the Jianghan plain, columnId=null, journalTitle=Journal of Central South University of Forestry & Technology, columnName=null, runingTitle=null, highlight=null, articleAbstract=
【Objective】

To explore the suitable planting density of the main varieties of Populus sect. Aigeiros in the Jianghan plain, establish a more scientific and suitable technical system for poplar afforestation in the Jianghan plain, and to provide technical support and theoretical support for efficient stand cultivation.

【Method】

4 main Section Aigeiros were selected in the Jianghan plain and planted in spring in 2017. Three replicates were set up in the experiment. In each replicate, five initial planting density zones (6 m×2 m, 6 m×3 m, 6 m×4 m, 6 m×5 m, and 6 m×6 m) were designed. Different varieties were randomly arranged in the same density zone using a random block design. There were 12 plants per density, per variety, and per plot. From 2017 to 2024, the tree height and DBH were investigated after each leaf fall for eight consecutive years. Then, the changes in growth of different varieties at different densities over the years were analyzed, and multiple comparisons and analysis of variance were conducted.

【Result】

Under the same density, the DBH, tree height, volume per plant, and volume per unit area of P. deltoides ‘Huashi 2’ were all optimal, while P. deltoides ‘2025’ was the worst. Compared with other species, P. deltoides ‘Danhong’ was suitable for cultivation of large-diameter wood at small density, while P. deltoides ‘Huashi 2’ was more suitable for maximizing the benefits of the accumulated volume at medium density. There were extremely significant differences in DBH, tree height, volume per plant, and volume per unit area among different densities and varieties in the 8th year after planting.

【Conclusion】

With the growth of tree age, the DBH and volume per plant of the four black poplar cultivars decreased with the increase of density, and the growth rate slowed down after 6 years. The differences in tree height growth under different initial planting densities were small, but the growth also slowed down after 6 years. At the density of 6 m×2 m, P. deltoides ‘Huashi 2’, P. deltoides ‘Danhong’ and Populus×euramericana ‘Chulin 2’ could obtain the maximum volume per unit area, while P. deltoides ‘2025’ could obtain the maximum volume per unit area at the density of 6 m×6 m. P. deltoides ‘Huashi 2’ and P. deltoides ‘Danhong’are more suitable for cultivation in the Jianghan Plain. They feature rapid growth, and can be cultivated as short-rotation stands for medium-and small-diameter timber, while also possessing great potential for targeted cultivation of large-diameter timber. The interaction effect between varieties and density began to emerge after 3 years. The interaction effect between cultivars and density began to emerge after 3 years, with growth indicators differing among the 4 poplar stands, but these differences weakened or disappeared as stand age increased.

, authors=Yi Li1, 2, Yadong Zhang2, Kailian Long3, Guowei Huang2, Fan Tong3, Xiangxiang Fu1, Xinye Zhang2, authorsList=Yi Li, Yadong Zhang, Kailian Long, Guowei Huang, Fan Tong, Xiangxiang Fu, Xinye Zhang, authorCompany=null, correspAuthors=Xinye Zhang, authorNote=null, correspAuthorsNote=null, copyrightStatement=© 2026 Journal of Central South University of Forestry & Technology, copyrightOwner=Journal of Central South University of Forestry & Technology, 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=1322927116920161189, articleId=1322927114890118051, tenantId=1146029695717560320, journalId=1322258771877134531, language=CN, title=初植密度对江汉平原4个黑杨派无性系林分生长的影响, columnId=1322924153761837409, journalTitle=中南林业科技大学学报, columnName=林学, runingTitle=null, highlight=null, articleAbstract=
【目的】

探讨江汉平原黑杨派主栽品种的适栽密度，建立更加科学的、适合江汉平原的杨树造林技术体系，为黑杨派高效培育提供技术支撑和理论依据。

【方法】

以江汉平原主栽黑杨派无性系品种‘丹红杨’‘华石2号杨’‘楚林2号杨’‘中林2025杨’为研究对象，2017年春插干造林。试验设置3个重复，每个重复中设计6 m×2 m、6 m×3 m、6 m×4 m、6 m×5 m、6 m×6 m共5种初植密度。不同品种在同一密度下采用随机区组设计，小区内完全随机排列，每密度、每品种各小区12株。每年落叶后调查树高和胸径，2017—2024年连续调查8年，对不同品种在不同密度下生长量变化规律进行分析和比较。

【结果】

同一密度下，‘华石2号杨’的胸径、树高、单株材积以及单位面积蓄积量生长状况皆为最优，‘中林2025杨’最差；‘丹红杨’相较于其他品种，适合在小密度下培育大径材，‘华石2号杨’则更适合在中等密度下使蓄积量收益最大化；定植的第8年林分在不同密度、不同品种间的生长指标皆存在差异。

【结论】

随着林龄增长，4个黑杨品种的胸径、单株材积都随着初植密度的增大而减小，并且在6 a后增速渐缓；不同初植密度下的树高生长差异较小，但也在6 a后生长渐缓；‘华石2号杨’‘丹红杨’以及‘楚林2号杨’在6 m×2 m密度下可获得单位面积最大蓄积量，而‘中林2025杨’则在6 m×6 m密度下可获得单位面积最大蓄积量；‘华石2号杨’和‘丹红杨’更适合在江汉平原栽培，其生长速度快，既可以作为短周期中小径材培育，也具备大径材定向培育潜力。品种和密度的互作效应在3 a之后开始显现。4种黑杨林分的生长指标均有差异，但随着林龄的增加而减弱或消失。

, authors=李怡1, 2, 张亚东2, 龙开莲3, 黄国伟2, 童帆3, 洑香香1, 张新叶2, authorsList=李怡, 张亚东, 龙开莲, 黄国伟, 童帆, 洑香香, 张新叶, authorCompany=null, correspAuthors=张新叶, authorNote=

李怡（），硕士研究生。

, correspAuthorsNote=
张新叶（），研究员，博士。
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李怡（），硕士研究生。

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李怡（），硕士研究生。

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初植密度对江汉平原4个黑杨派无性系林分生长的影响
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李怡 1, 2 , 张亚东 2 , 龙开莲 3 , 黄国伟 2 , 童帆 3 , 洑香香 1 , 张新叶 2
中南林业科技大学学报 | 林学 2026,46(7): 70-79
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中南林业科技大学学报 |林学 2026 , 46 (7) : 70 -79
初植密度对江汉平原4个黑杨派无性系林分生长的影响
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李怡1, 2 , 张亚东2, 龙开莲3, 黄国伟2, 童帆3, 洑香香1, 张新叶2
作者信息
  • 1.南京林业大学，江苏　南京　210037
  • 2.湖北省林业科学研究院，湖北　武汉　430079
  • 3.湖北省林科院　石首杨树研究所，湖北　石首　434400
通讯作者:
张新叶（），研究员，博士。
作者简介:

李怡（），硕士研究生。

Effects of initial planting density on stand growth of four Populus sect. Aigeiros clones in the Jianghan plain
Yi Li1, 2 , Yadong Zhang2, Kailian Long3, Guowei Huang2, Fan Tong3, Xiangxiang Fu1, Xinye Zhang2
Affiliations
  • 1.Nanjing Forestry University, Nanjing 210037, Jiangsu, China
  • 2.Hubei Academy of Forestry, Wuhan 430079, Hubei, China
  • 3.Shishou Popular Research Institute, Hubei Academy of Forestry, Shishou 434400, Hubei, China
出版时间: 2026-07-25 doi: 10.14067/j.cnki.1673-923x.2026.07.007
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摘要
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【目的】

探讨江汉平原黑杨派主栽品种的适栽密度，建立更加科学的、适合江汉平原的杨树造林技术体系，为黑杨派高效培育提供技术支撑和理论依据。

【方法】

以江汉平原主栽黑杨派无性系品种‘丹红杨’‘华石2号杨’‘楚林2号杨’‘中林2025杨’为研究对象，2017年春插干造林。试验设置3个重复，每个重复中设计6 m×2 m、6 m×3 m、6 m×4 m、6 m×5 m、6 m×6 m共5种初植密度。不同品种在同一密度下采用随机区组设计，小区内完全随机排列，每密度、每品种各小区12株。每年落叶后调查树高和胸径，2017—2024年连续调查8年，对不同品种在不同密度下生长量变化规律进行分析和比较。

【结果】

同一密度下，‘华石2号杨’的胸径、树高、单株材积以及单位面积蓄积量生长状况皆为最优，‘中林2025杨’最差；‘丹红杨’相较于其他品种，适合在小密度下培育大径材，‘华石2号杨’则更适合在中等密度下使蓄积量收益最大化；定植的第8年林分在不同密度、不同品种间的生长指标皆存在差异。

【结论】

随着林龄增长，4个黑杨品种的胸径、单株材积都随着初植密度的增大而减小，并且在6 a后增速渐缓；不同初植密度下的树高生长差异较小，但也在6 a后生长渐缓；‘华石2号杨’‘丹红杨’以及‘楚林2号杨’在6 m×2 m密度下可获得单位面积最大蓄积量，而‘中林2025杨’则在6 m×6 m密度下可获得单位面积最大蓄积量；‘华石2号杨’和‘丹红杨’更适合在江汉平原栽培，其生长速度快，既可以作为短周期中小径材培育，也具备大径材定向培育潜力。品种和密度的互作效应在3 a之后开始显现。4种黑杨林分的生长指标均有差异，但随着林龄的增加而减弱或消失。

江汉平原  /  黑杨派  /  品种  /  初植密度
【Objective】

To explore the suitable planting density of the main varieties of Populus sect. Aigeiros in the Jianghan plain, establish a more scientific and suitable technical system for poplar afforestation in the Jianghan plain, and to provide technical support and theoretical support for efficient stand cultivation.

【Method】

4 main Section Aigeiros were selected in the Jianghan plain and planted in spring in 2017. Three replicates were set up in the experiment. In each replicate, five initial planting density zones (6 m×2 m, 6 m×3 m, 6 m×4 m, 6 m×5 m, and 6 m×6 m) were designed. Different varieties were randomly arranged in the same density zone using a random block design. There were 12 plants per density, per variety, and per plot. From 2017 to 2024, the tree height and DBH were investigated after each leaf fall for eight consecutive years. Then, the changes in growth of different varieties at different densities over the years were analyzed, and multiple comparisons and analysis of variance were conducted.

【Result】

Under the same density, the DBH, tree height, volume per plant, and volume per unit area of P. deltoides ‘Huashi 2’ were all optimal, while P. deltoides ‘2025’ was the worst. Compared with other species, P. deltoides ‘Danhong’ was suitable for cultivation of large-diameter wood at small density, while P. deltoides ‘Huashi 2’ was more suitable for maximizing the benefits of the accumulated volume at medium density. There were extremely significant differences in DBH, tree height, volume per plant, and volume per unit area among different densities and varieties in the 8th year after planting.

【Conclusion】

With the growth of tree age, the DBH and volume per plant of the four black poplar cultivars decreased with the increase of density, and the growth rate slowed down after 6 years. The differences in tree height growth under different initial planting densities were small, but the growth also slowed down after 6 years. At the density of 6 m×2 m, P. deltoides ‘Huashi 2’, P. deltoides ‘Danhong’ and Populus×euramericana ‘Chulin 2’ could obtain the maximum volume per unit area, while P. deltoides ‘2025’ could obtain the maximum volume per unit area at the density of 6 m×6 m. P. deltoides ‘Huashi 2’ and P. deltoides ‘Danhong’are more suitable for cultivation in the Jianghan Plain. They feature rapid growth, and can be cultivated as short-rotation stands for medium-and small-diameter timber, while also possessing great potential for targeted cultivation of large-diameter timber. The interaction effect between varieties and density began to emerge after 3 years. The interaction effect between cultivars and density began to emerge after 3 years, with growth indicators differing among the 4 poplar stands, but these differences weakened or disappeared as stand age increased.

Jianghan plain  /  Populus sect. Aigeiros  /  cultivars  /  initial planting density
李怡, 张亚东, 龙开莲, 黄国伟, 童帆, 洑香香, 张新叶. 初植密度对江汉平原4个黑杨派无性系林分生长的影响. 中南林业科技大学学报, 2026 , 46 (7) : 70 -79 . DOI: 10.14067/j.cnki.1673-923x.2026.07.007
Yi Li, Yadong Zhang, Kailian Long, Guowei Huang, Fan Tong, Xiangxiang Fu, Xinye Zhang. Effects of initial planting density on stand growth of four Populus sect. Aigeiros clones in the Jianghan plain[J]. Journal of Central South University of Forestry & Technology, 2026 , 46 (7) : 70 -79 . DOI: 10.14067/j.cnki.1673-923x.2026.07.007
基金
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  • 国家重点研发计划项目(2021YFD2201202)
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2026年第46卷第7期
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doi: 10.14067/j.cnki.1673-923x.2026.07.007
  • 接收时间：2025-07-04
  • 首发时间：2026-10-30
  • 出版时间：2026-07-25
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  • 收稿日期：2025-07-04
  • 修回日期：2025-09-08
基金
国家重点研发计划项目(2021YFD2201202)
作者信息
    1.南京林业大学，江苏　南京　210037
    2.湖北省林业科学研究院，湖北　武汉　430079
    3.湖北省林科院　石首杨树研究所，湖北　石首　434400

通讯作者:

张新叶（），研究员，博士。
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https://castjournals.cast.org.cn/joweb/znlykj/CN/10.14067/j.cnki.1673-923x.2026.07.007
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2种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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