滇池南岸典型区域不同土地利用方式下土壤无机态磷的分布  被引量:3

Distribution of soil inorganic phosphorus by different land use type in representative regions of southern bank of Dianchi Lake

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作  者:黄维恒 熊荟菁 邓洪 刘娟 李佳佳 张乃明 包立[1,2] HUANG Weiheng;XIONG Huijing;DENG Hong;LIU Juan;LI Jiajia;ZHANG Naiming;BAO Li(College of Resource and Environment,Yunnan Agricultural University,Kunming Yunnan 650201;Yunnan Soil Fertility and Pollution Remediation Engineering Laboratory,Kunming Yunnan 650201;ZJAMIP Innovation Technology Co.,Ltd.,Hangzhou Zhejiang 310052)

机构地区:[1]云南农业大学资源与环境学院,云南昆明650201 [2]云南省土壤培肥与污染修复工程实验室,云南昆明650201 [3]浙江浙农创投科技有限公司,浙江杭州310052

出  处:《环境污染与防治》2018年第6期689-692,共4页Environmental Pollution & Control

基  金:国家水体污染控制与治理科技重大专项(No.2012ZX07102-003);云南省科技创新人才计划项目(No.2015HC018);云南省对外科技合作计划-院士专家工作站项目(No.2015IC022)

摘  要:滇池水体富营养化问题亟待解决,磷是滇池水体富营养化的主要限制因子。以滇池南岸东大河流域和古城河流域为典型区域,探讨了不同土地利用方式对4种无机态磷的分布影响。结果表明:东大河流域磷酸钙盐磷质量浓度为0.17~0.44g/kg,古城河流域为0.13~0.67g/kg,湿地最高,林地最低;东大河流域磷酸铁盐磷质量浓度为0.04~0.20g/kg,古城河流域为0.04~0.22g/kg,花卉大棚和矿区较高,耕地和坡耕地较低;东大河流域闭蓄态磷质量浓度为0.21~0.51g/kg,古城河流域为0.50~0.83g/kg,耕地和矿区较高,林地较低;东大河流域磷酸铝盐磷质量浓度为0.08~0.70g/kg,古城河流域为0.08~0.64g/kg,湿地最高,林地最低。Phosphorus is considered as the limiting factor causing eutrophication in Dianchi Lake,and it is urgent to solve this problem.Taking Dongda River and Gucheng River basins as representative regions,distribution of soil inorganic phosphorus in 4 different land use types was explored.Results showed that calcium phosphorus mass concentrations in Dongda River basin and Gucheng River basin were 0.17-0.44 and 0.13-0.67 g/kg,respectively,with wetland highest and forestry lowest.Ferric phosphorus mass concentrations in Dongda River basin and Gucheng River basin were 0.04-0.20 and 0.04-0.22 g/kg,respectively,with flower shed and diggings high,and cropland and slope cropland low.Occluded phosphorus mass concentrations in Dongda River basin and Gucheng River basin were 0.21-0.51 and 0.50-0.83 g/kg,respectively,with cropland and diggings high,and forestry low.Aluminium phosphorus mass concentrations in Dongda River basin and Gucheng River basin were 0.08-0.70 and 0.08-0.64 g/kg,respectively,with wetland highest and forestry lowest.

关 键 词:滇池南岸 土地利用方式 无机态磷 

分 类 号:X144[环境科学与工程—环境科学] X524

 

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