[1]柴成武,徐先英,唐卫东,等.石羊河流域荒漠区主要固沙植物根系研究[J].西北林学院学报,2009,24(04):21-26.
 CHAI Cheng-wu,XU Xian-ying,TANG We-dong,et al.Root System of the Main Sand Fixing Plants in Desert Zone of Shiyanghe River Basin[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2009,24(04):21-26.
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石羊河流域荒漠区主要固沙植物根系研究 ()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第24卷
期数:
2009年04期
页码:
21-26
栏目:
森林生物学
出版日期:
2009-07-31

文章信息/Info

Title:
Root System of the Main Sand Fixing Plants in Desert Zone of Shiyanghe River Basin
作者:
柴成武; 徐先英; 唐卫东; 王方琳; 王龙
甘肃省治沙研究所,甘肃民勤荒漠草地生态系统国家野外科学观测研究站,甘肃,武威,733000;古浪县水土保持工作站,甘肃,古浪,733100
Author(s):
CHAI Cheng-wu; XU Xian-ying; TANG We-dong; WANG Fang-lin; WANG Long
关键词:
梭梭 柽柳 白刺 根系
分类号:
S728.4
文献标志码:
A
摘要:
应用分层半挖法研究了石羊河流域荒漠区主要固沙植物梭梭、红柳、白刺吸水根系根重密度分布规律、根系表面积变化规律以及与对应的微环境因子相关性.结果表明:梭梭、红柳、白刺根系长度受粘土层阻碍较大,随着植物根区粘土层的出现,粘土层以上靠近粘土层根系密度增大,粘土层以下远离粘土层根系密度先增大再减小,但物种不同,呈现这种规律的根级并不相同,梭梭表现为小于1 mm根系,红柳和白刺表现为1~2 mm根系与2~5 mm根系;根系表面积变化亦具有这种特点.土壤容重对荒漠植物根系影响较大,土壤分形维数、土壤含水率和土壤有机质含量与对应的根系指标显著性不高.

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备注/Memo

备注/Memo:
国家自然科学基金(30771766);甘肃省科技攻关计划项目(2GS042-A41-002-02)
更新日期/Last Update: 2010-04-29