欢迎访问《生态学杂志》官方网站,今天是 分享到:

生态学杂志

• 研究报告 • 上一篇    下一篇

散生型笋用竹笋中有机农药残留

郭子武1;陈双林1;杨清平1;顾李俭2;萧江华1   

  1. 1中国林业科学研究院亚热带林业研究所, 浙江富阳 311400;2杭州临安太湖源观赏竹种园有限公司, 浙江临安 311300
  • 收稿日期:2008-01-08 修回日期:1900-01-01 出版日期:2008-09-10 发布日期:2008-09-10

Residual of organic pesticides in single axile dispersal type shootusing bamboo shoot.

GUO Zi-wu1;CHEN Shuang-lin1;YANG Qing-ping1;GU Li-jian2;XIAO Jiang-hua1   

  1. 1Research Institute of Subtropical Forest, Chinese Academy of Forestry, F
    uyang 311400, Zhejiang, China,2Lin’an Taihuyuan Landscaping Bamboo Garden, Lin’an 311300, Zhejiang, China
  • Received:2008-01-08 Revised:1900-01-01 Online:2008-09-10 Published:2008-09-10

摘要: 在浙江省主要产竹区竹笋进行多点取样,对主要有机农药残留检测分析,结果表明:残留的有机农药种类主要为3种有机氯农药,即HCH、DDT、五氯硝基苯,HCH、DDT检出率均100%,五氯硝基苯(PNCB)检出率75%,残留量均值均低于国家食品中农药的最大残留限量标准(50 μg·kg-1)。经综合污染指数分析,试验笋样可分为2类,即安全类和基本安全类,分别占82.14%和17.86%,虽然试验取样区竹笋普遍检出HCH、DDT残留,但污染并不严重。竹林经营类型、经营水平、土地利用方式对竹林土壤有机农药残留有一定的影响,不同竹林经营类型、经营水平和土地利用方式竹林竹笋有机农药残留规律与竹林地土壤有机农药残留规律类似。

关键词: 森林流域, 生态与水文过程, 动力学机制

Abstract: Bamboo shoot samples were collected from 28 plots in the bamboo forests in 4 counties of Zhejiang Province to investigate the residual of organic pesticides. Three kinds of organochlorine pesticides, i.e., BCH, DDT, and pentachlornitrobenzene (PNCB), were detected. The detection rate of both BCH and DDT was 100%, and that of PNCB was 75%. None of pyrethroid and organophosphorus pesticides were detected. The average residual of all test organic pesticides was lower than 50 μg·kg-1. The Nemerow index showed that the shoot samples could be divided into two types, i.e., safety shoot, accounting for 82.14%, and basic safety shoot, accounting for 17.86%. It was suggested that the residual of organochlorine pesticides in bamboo shoots from Zhejiang Province was universal, but not severe. In addition, management level, management type, and land use pattern had definite effects on the residual of organochlorine. The pesticide residual pattern in shoots was similar to that in bamboo soil.

Key words: Forest catchment, Ecological and hydrological process, Dynamic mechanism