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百花湖消落带土壤磷释放的模拟研究
陈峰峰, 李秋华*, 龙健, 焦树林, 刘送平, 李小峰, 田涛
1. 贵州师范大学贵州省山地环境信息系统和生态环境保护重点实验室, 贵阳 550001; 2. 贵州师范大学地理与环境科学学院, 贵阳 550001; 3. 浙江富春紫光环保股份有限公司, 杭州 310012
Simulated. study on phosphorus release from the soils of water-level-fluctuating zone in Baihua Reservoir
CHEN Feng-feng, LI Qiu-hua*, LONG Jian, JIAO Shu-lin, LIU Song-pin, LI Xiao-feng, TIAN Tao
1. Key Laboratory for Information System of Mountainous Area and Protection of Ecological Environment of Guizhou Province,Guizhou Normal University, Guiyang 550001, China; 2. School of Geographic and Environmental Sciences, Guizhou Normal University, Guiyang 550001, China; 3. Zhejiang fuchun ziguang environmental protection co.,ltd., Hangzhou 310012, China
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摘要 

为探讨贵州省百花湖(水库)消落带土壤磷的释放状况,采用实验室模拟法研究了不同消落带土壤和环境条件变化对百花湖消落带土壤磷释放的影响,分析磷的释放量与磷赋存形态的关系。结果表明:未淹的黄壤释磷量最大,砂石壤最低;温度升高,土壤中磷的释放强度随之增大;扰动上覆水比静置条件下更有利于磷的释放;酸性和碱性条件下土壤磷的释放量略高于中性条件,且碱性条件下最高;厌氧条件比好氧条件更能加速磷释放;不同形态磷与土壤磷释放量有不同程度相关,其中有机磷(OP)与磷的释放极显著相关;与铁铝结合态磷(Fe/Al-P)和钙结合态磷(Ca-P)显著性相关。

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陈峰峰
李秋华
龙健
焦树林
刘送平
李小峰
关键词 消落带磷释放土壤百花湖    
Abstract

Effects of environmental factors on the phosphorus release were studied by laboratory simulated test. The quantity of releasing phosphorus and the relationships between the different forms of phosphorus in soils of water-level-fluctuating zone of Baihua Reservoir were studied. Results showed that the phosphorus release amount was the most in yellow soils, and the least in the sand soils. The release strength of phosphorus from the soils increased with rising of the temperature. The phosphorus release amount under the stirring condition was more than under still condition. The soils released more phosphorus under the non-neutral condition compared to the neutral condition; the anaerobic condition was propitious to the phosphorus than the aerobic condition. Phosphorus form was related to the release. The OP in soils played the most important roles in phosphorus release; the Fe/Al-P and Ca-P were in high correlation with soil phosphorus release.

Key wordswater-level-fluctuating zone    phosphorous release    soil    Baihua Reservoir
收稿日期: 2013-06-25     
:  X523  
基金资助:国家重点基础研究发展计划973前期(2012CB426506);贵阳市重大科技专项([2010]5-03);贵州师范大学学生科研重点项目
引用本文:   
陈峰峰, 李秋华*, 龙健, 焦树林, 刘送平, 李小峰, 田涛. 百花湖消落带土壤磷释放的模拟研究[J]. , 2013, 32(3): 372-378.
CHEN Feng-feng, LI Qiu-hua*, LONG Jian, JIAO Shu-lin, LIU Song-pin, LI Xiao-feng, TIAN Tao. Simulated. study on phosphorus release from the soils of water-level-fluctuating zone in Baihua Reservoir. , 2013, 32(3): 372-378.
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