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土壤垦复对山地麻竹林地表养分流失动态的影响

邱尔发1 陈卓梅2 郑郁善3 洪伟3 尤志达4   

  1. 1中国林业科学研究院林业研究所,北京 100091; 2浙江省林业科学院,杭州310023; 3福建农林大学林学院,南平353001;4福建南靖国有林场,南靖 363600
  • 收稿日期:2004-05-10 修回日期:2004-07-19 出版日期:2005-06-18

Effects of stand condition improvement on surface soil nutrient losses of hilly land Dendrocalamus latiflorus plantations

QIU Erfa1,CHEN Zhuomei2,ZHENG Yushang3,HONG Wei3,YU Zhida4   

  1. 1Resarch Institute of Forestry,Chinese Academy of Forestry,Beijing 100091, China;2Zhejiang Academy of Forestry,Hangzhou 310029,China;3College of Forestry,Fujian Agriculture and Forestry University,Nanping 353001, China; 4State-Owned Forestry Farm of Nanjing in Fujian Province, Nanjing 363600,China

  • Received:2004-05-10 Revised:2004-07-19 Online:2005-06-18

摘要: 为了比较山地麻竹笋用林不同土壤垦复措施对养分流失动态的影响,在福建南靖国有林场设置径流场,进行了1年的观测、取样和氮磷钾浓度分析.结果表明,3种土壤垦复措施的氮、磷、钾流失量具有明显的季节性,4~9月3种养分流失量占全年90%以上,且都呈现全翻>带翻>对照,但3种经营措施间氮、磷的年流失量差异均不显著,全翻的钾流失量差异水平达显著,带翻与对照间差异不显著.

关键词: 水质, 表层沉积物, 环境质量评价, 潜在生态危害, 胶州湾湿地

Abstract: A comparative study on the soil nutrient losses of hilly land shoot-used Dendrocalamus latiflorus plantations at the Nanjing stated-owned forest farm,Fujian Province showed that the losses of soil N,P and K under three treatments of stand condition improvement varied with season,and 90% or more of these losses appeared from April to September,with the order of overall ploughing>strip ploughing>control. There was no significant difference of N and P losses among the three treatments,while the K loss was markedly higher under overall ploughing than the control.

Key words: water quality, surface sediment, environmental quality assessment, potential ecological risk, Jiaozhou Bay wetland