冀北山地6种天然林分类型土壤养分比较

林业资源管理 ›› 2013, Vol. 0 ›› Issue (6): 137-143.

冀北山地6种天然林分类型土壤养分比较

黄秋娴¹, 张建华^2,3, 杨新兵¹, 赵心苗¹

1.河北农业大学林学院,河北保定 071000;
2.北京林业大学,北京 100083;
3.河北木兰围场国有林场管理局,河北围场 068450

收稿日期:2013-07-05 修回日期:2013-09-26 出版日期:2013-12-28 发布日期:2020-11-23
作者简介:黄秋娴(1981-),女,河北枣强人,实验师,研究方向为森林生态。Email:lxhqx@hebau.edu.cn
基金资助:
河北省林业厅科技项目“冀北山地典型林分类型结构特征研究”(1212436);林业公益性行业科研专项子课题“冀北山区典型森林生态系统健康经营技术研究与示范”(200804022F);林业公益性行业科研专项经费课题“京津城市森林生态服务功能研究”(201204108)

Comparative Analysis on Soil Nutrients of Six Types of Natural Forest Stands in North Mountains of Hebei

HUANG Qiuxian¹, ZHANG Jianhua^2,3, YANG Xinbing¹, ZHAO Xinmiao¹

1. College of Forestry,Agricultural University of Hebei,Baoding,Hebei 071000;
2. Beijing Forestry University,Beijing 100083;
3. Mulan Forestry Administration of Hebei Province,Weichang,068450 Hebei,China

Received:2013-07-05 Revised:2013-09-26 Online:2013-12-28 Published:2020-11-23

摘要/Abstract

摘要： 对冀北山地黑桦(Betula dahurica)、白桦(Betula platyphylla)、山杨(Populus davidilana)、油松(Pinus tabulaeformis)、蒙古栎(Quercus mongolica)和五角枫(Acer elegantulum)等6种天然林分类型的土壤养分空间分布、变异以及养分之间的相关关系进行了研究。结果表明:1)土壤pH值介于5.04~6.47之间;有机质、速效钾、全氮、碱解氮、全磷的含量均为油松纯林最低,速效磷以蒙古栎纯林最低,养分整体上有随土壤深度增加而减小的趋势。2)表层土壤pH值的变异系数为0.107,其他土层的pH值变异系数均小于0.1,属于弱变异性。土壤养分指标中40~60cm的变异系数最大,其中,速效磷的变异系数最大,为强变异性,其他养分含量各层均为中等变异。3)pH值、有机质、全氮、碱解氮与速效钾有极显著正相关关系,碱解氮、速效磷与全磷具有极显著正相关关系;pH值与有机质、碱解氮有显著相关关系,全磷与有机质、速效钾有显著相关关系;速效磷与有机质、全氮、碱解氮、速效钾之间关系明显。

关键词: 冀北山地, 森林土壤, 土壤养分, 变异系数

Abstract: This article aims at studying spatial distribution of soil nutrients,variability and nutrient correlation of six different forest types. The forest types include Black birch (Betula dahurica),birch (Betula platyphylla),Shanyang (Populus)tabulaeformis (Pinus),Mongolian oak (Quercus)and Acer mono (A.elegantulum).The result shows:1)The pH value of soil ranged from 5.04 to 6.47;the content of organic matter,available K,total N,alkaline hydrolysis N,total P is lowest in the tabulaeformis,while the content of available P is the lowest in Mongolian oak.In addition,the content has a decreasing trend with the increasing soil depth on the whole.2)The coefficient of variation of the pH value of the soil surface is 0.107,and the coefficient of variation of the other sectional level is less than 0.1,belonging to weak variability.The largest coefficient of variation soil ranged from 40 cm to 60cm in the indicators of soil nutrients.And the largest coefficient of variation of the available P belongs to strong variability.Other nutrient content layers present moderate variability.3)The pH,organic matter,total N,available N and available P between of them have a highly significant positive correlation.The available N,available P and total P also have a highly significant positive correlation .The pH value has a significant positive correlation with organic matter and available N.The total P has a significant positive correlation with organic matter and available K.The relation between available P,organic matter,total N,available N available K is obvious.

Key words: North Mountains of Hebei, forest soil, soil nutrient, coefficient of variation

中图分类号:

S714.5

黄秋娴, 张建华, 杨新兵, 赵心苗. 冀北山地6种天然林分类型土壤养分比较[J]. 林业资源管理, 2013, 0(6): 137-143.

HUANG Qiuxian, ZHANG Jianhua, YANG Xinbing, ZHAO Xinmiao. Comparative Analysis on Soil Nutrients of Six Types of Natural Forest Stands in North Mountains of Hebei[J]. FOREST RESOURCES WANAGEMENT, 2013, 0(6): 137-143.

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