[1]叶彦辉,宋西德*,张永,等.黄土丘陵区林草景观界面土壤养分分布特征和空间变异性研究[J].西北林学院学报,2007,22(03):1-6.
　YE Yanhui,SONG Xide,ZHANG Yong,et al.Distribution Characteristics and Spatial Variability of Soil Nutrients at the ForestlandGrassland Interface in Hilly Region of Loess Plateau[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2007,22(03):1-6.
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黄土丘陵区林草景观界面土壤养分分布特征和空间变异性研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第22卷
期数:
2007年03期
页码:
1-6
栏目:
森林生物学
出版日期:
2007-06-30

文章信息/Info

Title:
Distribution Characteristics and Spatial Variability of Soil Nutrients at the ForestlandGrassland Interface in Hilly Region of Loess Plateau
作者:
叶彦辉1; 宋西德1*; 张永1; 刘莉丽1; 曾德慧2; 尤文忠2; 赵阿妮3
1.西北农林科技大学 林学院，陕西 杨陵712100；2.中国科学院 沈阳应用生态研究所，辽宁 沈阳110016;3.周至县林业局，陕西 周至710400
Author(s):
YE Yanhui1; SONG Xide1; ZHANG Yong1; LIU Lili1; ZENG Dehui2; YOU Wenzhong2; ZHAO Ani3
1.College of Forestry，Northwest A & F University，Yangling，Shaanxi 712100，China；2.Institute of Applied Ecology，Chinese Academy of Sciences，Shenyang ,Liaoning 110016，China;3.Forest Bureau of Zhouzhi;Zhouzhi,Shaanxi 710400,China
关键词:
森林—草地界面; 土壤养分; 空间变异; 黄土丘陵区
Keywords:
forestlandgrassland interface;  soil nutrients;  spatial variability;  hilly region of Loess Plateau
分类号:
S714.8
文献标志码:
A
摘要:
通过对泾河流域林草景观界面的土壤养分测定，分析比较界面中养分的分布特征及空间变异性。结果表明该流域内的土壤养分分布不平衡，除钾素含量（22.977-25.183 g·kg-1）富足外，其他养分含量都很低；林地内养分含量高于草地(有机质含量高16.310%；水解氮含量高19.570%)，在界面上养分变化较大，林内和草地内养分变化较小；界面上养分时空差异不明显，而层次之间差异显著。无论是林地还是草地，土壤各养分的变化是确定性变异和随机性变异共同作用的结果，且确定性的变化规律往往控制一定范围内土壤养分的变化和分布。
Abstract:
Based on the determination of soil nutrients in the grasslandforestland interface within the Jing River watershed, comparative analysis of soil nutrients distribution and spatial variability was carried out. The results showed that soil nutrients were unevenly distributed, with most of nutrients inadequate in contents except potassium. The soil nutrients in forestland were higher in content than those in grassland, with greater variation of nutrients in the interface but slight variation within grassland or forestland. The soil nutrients variation in spatial and temporal dimensions was insignificant at the interface but significant among the layers. Variation of soil nutrients were the result bought forth by determined variability and random variability, with determined variability governing the nutrients distribution and variation within certain range.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：20061114修回日期：20061227基金项目：国家重点基础研究发展规划资助项目（2002CB111506）作者简介：叶彦辉（1980）,男，河南漯河人，硕士研究生，主要从事森林土壤、林业生态工程方向的研究。*通讯作者：宋西德(1964),男,研究员,研究方向为林木种苗繁育理论与技术。
更新日期/Last Update: 2010-05-04