[1]邢培茹,郑粉莉,王彬.典型黑土区坡耕地土壤碱性磷酸酶和有机质空间分布研究[J].水土保持研究,2014,21(01):39-42.
 XING Pei-ru,ZHENG Fen-li,WANG Bin.Spatial Distribution of Soil Alkaline Phosphatase Activity and Soil Organic Matter on Sloping Farmlands in Typical Black Soil Region[J].,2014,21(01):39-42.
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典型黑土区坡耕地土壤碱性磷酸酶和有机质空间分布研究()
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《水土保持研究》[ISSN:1005-3409/CN:61-1272/P]

卷:
21卷
期数:
2014年01期
页码:
39-42
栏目:
出版日期:
2014-02-28

文章信息/Info

Title:
Spatial Distribution of Soil Alkaline Phosphatase Activity and Soil Organic Matter on Sloping Farmlands in Typical Black Soil Region
作者:
邢培茹1 郑粉莉12 王彬1
1. 西北农林科技大学 资源环境学院, 陕西 杨凌 7121000;
2. 中国科学院 水利部 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):
XING Pei-ru1 ZHENG Fen-li12 WANG Bin1
1. College of Natural Resources and Environment, Northwest A & F University, Yangling, Shaanxi 712100, China;
2. State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China
关键词:
典型黑土区坡耕地土壤碱性磷酸酶土壤有机质土壤侵蚀空间分布
Keywords:
cropland in typical black soil regionsoil alkaline phosphatasesoil organic mattersoil erosionspatial distribution
分类号:
S158
摘要:
以东北黑土侵蚀严重区宾州河流域为研究区,通过采集流域上游、中游和下游6个典型坡面及各坡面不同坡位的土壤样品,分析坡耕地土壤碱性磷酸酶和土壤有机质在流域和坡面尺度的空间分布特征及其与土壤侵蚀的关系。结果表明,在流域尺度上,坡耕地土壤碱性磷酸酶活性和土壤有机质含量均表现为下游 > 中游 > 上游,坡面尺度上总体表现为坡面上部 < 坡面中部 < 坡面下部的趋势,且坡位对土壤有机质分布的影响较其对土壤碱性磷酸酶活性的影响更为明显。土壤碱性磷酸酶活性与土壤有机质间存在极显著的正相关关系。流域土壤碱性磷酸酶活性和有机质空间分布与土壤侵蚀空间分布相对应,反映出土壤侵蚀是影响该区耕层土壤碱性磷酸酶活性和土壤有机质含量的主要因素。
Abstract:
Soil samples in different positions of slope in the upper, middle and down stream of Binzhou river basin were collected to analyze the spatial distribution of soil alkaline phosphatase and soil organic matter, as well as effects of soil erosion on them. The results showed that soil alkaline phosphatase and soil organic matter ranked as down stream > middle stream > upper stream at watershed scale. Soil alkaline phosphatase and soil organic matter in the different slope positions followed the order of top slope < the middle slope < down slope, slope position played more important role in the distribution of soil organic matter than that in soil alkaline phosphatase. There was a significant positive correlation between soil alkaline phosphatase and soil organic matter. The spatial distribution of soil alkaline phosphatase activity and soil organic matter was corresponding to soil erosion, suggesting that soil erosion was the key factor governing spatial distribution of soil alkaline phosphatase and soil organic matter in Binzhou river basin.

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备注/Memo

备注/Memo:
收稿日期:2013-04-08;改回日期:2013-05-09。
基金项目:国家973计划项目(2007CB407201)
作者简介:邢培茹(1984-),女,陕西凤县人,硕士研究生,研究方向:土壤侵蚀。E-mail:xingpeiru@126.com
通讯作者:郑粉莉(1960-)女,陕西蓝田人,教授,博士生导师,主要从事土壤侵蚀过程、预报和土壤侵蚀环境效应评价研究。E-mail:flzh@ms.iswc.ac.cn
更新日期/Last Update: 1900-01-01