[1]马芊红,张光辉,耿韧,等.黄土高原纸坊沟流域不同土地利用类型土壤质量评价[J].水土保持研究,2018,25(04):30-35,42.
　MA Qianhong,ZHANG Guanghui,GENG Ren,et al.Evaluation on Soil Quality of Different Land Use Types in Zhifanggou Watershed of the Loess Plateau[J].Research of Soil and Water Conservation,2018,25(04):30-35,42.
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黄土高原纸坊沟流域不同土地利用类型土壤质量评价

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 25 期数: 2018年04期 页码: 30-35,42 栏目: 出版日期: 2018-06-13
Title:
Evaluation on Soil Quality of Different Land Use Types in Zhifanggou Watershed of the Loess Plateau
作者:
马芊红1,2, 张光辉1,2, 耿韧3, 王兵4
1. 北京师范大学 地表过程与资源生态国家重点实验室, 北京 100875;
2. 北京师范大学 地理科学学部, 北京 100875;
3. 南京水利科学研究院, 南京 210029;
4. 西北农林科技大学 水土保持研究所 黄土高原土壤侵蚀与旱地农业国家重点实验室, 陕西 杨凌 712100
Author(s):
MA Qianhong1,2, ZHANG Guanghui1,2, GENG Ren3, WANG Bing4
1. State Key Laboratory of Earth Surface Processes and Resource Ecology, Beijing Normal University, Beijing 100875, China;
2. Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China;
3. Nanjing Hydraulic Research Institute, Nanjing 210029, China;
4. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Northwest A & F University, Yangling, Shaanxi 712100, China
关键词:
土壤质量; 土地利用; 主成分分析; 关键指标; 纸坊沟流域; 黄土高原
Keywords:
soil quality; land use; principal component analysis; key indicators; Zhifanggou Watershed; the Loess Plateau
分类号:
F301.24;S158.2
摘要:
为了认识和评价黄土高原地区小流域不同土地利用类型下的土壤质量，以陕西省安塞县纸坊沟为例，选取了26个采样点，分属林地、灌木地、草地、农地、果园、苗圃和撂荒地7种土地利用类型，利用主成分分析法从16项土壤理化指标中选取关键指标，计算了土壤质量指数。结果表明：（1）容重、黏粒含量、微团聚体平均质量直径（MICMWD）、有机质和pH值是表征纸坊沟流域土壤质量的关键指标，除容重外，其余4个关键指标的隶属度在研究区不同土地利用间均存在显著差异；（2）与地形因子相比，土地利用方式对纸坊沟流域土壤质量的影响更大；（3）整体上纸坊沟流域土壤质量处于较高水平（0.71±0.10），不同土地利用方式下土壤质量存在显著差异，土壤质量指数均值从大到小依次为林地 > 灌木地 > 苗圃 > 草地 > 果园 > 农地 > 撂荒地。研究结果可为黄土丘陵区小流域土地利用方式的合理布局和土壤质量的定向培育提供重要依据。
Abstract:
In order to have a distinct understanding and proper evaluation of the soil quality under different land use types in small watershed, we collected 26 soil samples from seven different land use types, i. e., forestland, shrub land, grassland, farmland, orchard, nursery and abandoned land in Zhifanggou Watershed, and selected several key indicators from 16 soil physical and chemical indicators to calculate soil quality index (SQI). The results showed that: (1) the selected key indicators were bulk density, clay content, MICMWD, soil organic matter and pH value, except bulk density, the membership values of the other four key indicators differed significantly among land use types; (2) compared with terrain factors, land use type was the more important factor affecting soil quality in Zhifanggou Watershed; (3) as a whole, the soil quality of Zhifanggou Watershed ranked as higher level (0.71±0.10), and soil quality indexes among land use types were significantly different. The average soil quality index decreased in the order: forestland > shrub land > nursery > grassland > orchard > farmland > abandoned land. The results of the study are of great significance for distributing land use types rationally and improving soil quality directionally in small watersheds of the Loess Plateau region.

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备注/Memo

收稿日期:2017-06-11;改回日期:2017-09-08。
基金项目:国家重点研发计划重点专项（2017YFC0504702）；国家自然科学基金（41530858；41621061）
作者简介:马芊红(1991-),女,河北保定人,博士研究生,研究方向为土壤侵蚀与土壤环境。E-mail:maqianhong@mail.bnu.edu.cn
通讯作者:张光辉(1969-),男,甘肃静宁人,博士,教授,主要从事土壤侵蚀与水土保持研究。E-mail:ghzhang@bnu.edu.cn

更新日期/Last Update: 1900-01-01