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| 不同森林类型根系分布与土壤性质的关系 | |
| 引用本文： | 黄林,王峰,周立江,黄茹,齐代华,魏刚.不同森林类型根系分布与土壤性质的关系[J].生态学报,2012,32(19):6110-6119. |
| 作者姓名： | 黄林 王峰 周立江 黄茹 齐代华 魏刚 |
| 作者单位： | 1. 三峡库区生态环境教育部重点实验室,西南大学生命科学学院,重庆400715 2. 四川省林业调查规划院四川成都,610081 3. 三峡库区生态环境教育部重点实验室,西南大学生命科学学院,重庆400715;西南大学资源环境学院,重庆400715 |
| 基金项目： | 国家林业局生物措施治理水土流失试点项目(04908) |
| 摘 要： | 在红壤丘陵区选取8种典型森林类型,对不同土层深度、不同径级的根长密度分布特征、根长分维数,以及根系特征与土壤容重、有机碳、全氮的关系进行了研究。结果表明:马尾松低效林根长密度最小,杉木低效林和湿地松林较大,表层土壤根长密度与灌草覆盖度显著相关(r=0.793,P<0.05)。各种森林类型的根长密度随着土壤深度的增加均表现为递减规律,但随深度的增加,不同森林类型的差异逐步缩小,且植物种类及生长状况对根长密度分布的影响越来越小。在相同的土层中,根长密度随径级的变化并不一致,马尾松低效林0 |
| 关 键 词： | 根系分布 根长密度 分维数 容重 有机碳 全氮 |
| 收稿时间： | 2011/8/28 0:00:00 |
| 修稿时间： | 2012/3/26 0:00:00 |
Root distribution in the different forest types and their relationship to soil properties |
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| HUANG Lin,WANG Feng,ZHOU Lijiang,HUANG Ru,QI Daihua and WEI Gang.Root distribution in the different forest types and their relationship to soil properties[J].Acta Ecologica Sinica,2012,32(19):6110-6119. | |
| Authors: | HUANG Lin WANG Feng ZHOU Lijiang HUANG Ru QI Daihua and WEI Gang |
| Institution: | Key-Laboratory of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, School of Life Science, Southwest University, Chongqing 400715, China;Sichuan Forest Inventory and Planning Institute, Chengdu Sichuan, 610081, China;Sichuan Forest Inventory and Planning Institute, Chengdu Sichuan, 610081, China;Key-Laboratory of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, School of Life Science, Southwest University, Chongqing 400715, China;College of Resources and Environment, Southwest University, Chongqing 400715, China;Key-Laboratory of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, School of Life Science, Southwest University, Chongqing 400715, China;Key-Laboratory of Eco-environment in Three Gorges Reservoir Region, Ministry of Education, School of Life Science, Southwest University, Chongqing 400715, China |
| Abstract: | |
| Keywords: | bulk density fractal dimension organic carbon root distribution root length density (RLD) total nitrogen |
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