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Vertebrate pesticide risk assessment by indigenous communities in New Zealand

Shaun C.OGILVIEJames M.ATARIAJames WAIWAIJames DOHERTYAroha MILLERJames G.ROSSCharles T.EASON

Ecology Department Lincoln UniversityLandcare Research Lincoln,Canterbury,New ZealandLake Waikaremoana Hapu Restoration Trust Tuai,New ZealandTuhoe Tuawhenua Trust Murupara,New Zealand

摘要:<正>In New Zealand,the vertebrate pesticide sodium fluoroacetate(Compound 1080)is aerially applied in baits for control of the brush-tailed possum Trichosurus vulpecula(Kerr,1792).Maori,the indigenous people of New Zealand,have raised concerns about 1080 impacts on culturally-important species.Here,we outline two steps taken to help Maori assess 1080 risk.First,field research was undertaken to determine if naturally-occurring plants utilized by a Maori community for food and medicine would take up 1080 from baits.Single baits were placed at the base of individual plants of two species,pikopiko(Asplenium bulbiferum)and karamuramu(Coprosma robusta).Plants were sampled at various times up to 56 days,and samples were analyzed for 1080 content.No 1080 was detected in any of the pikopiko samples,whereas 1080 was detected in karamuramu,at a maximum concentration of 5 ppb after seven days,and 2.5 ppb after 14 days.This concentration decreased to 0 at 28 days,indicating that 1080 was not persistent.The results of the present study suggest there is negligible risk of humans being poisoned by consuming plants that have taken up 1080 from baits.To allay community concerns that minute concentrations of 1080 might influence the medicinal properties of plants,it is suggested that a withholding period of 30 days after 1080 control operations could be adopted.Second,after further consultation we undertook a review of the scientific literature relating to 1080 impacts on additional non-target species of cultural importance to Maori.The information was presented on an interactive foodweb database that allowed the collection and presentation of a large volume of complex information about 1080 in a holistic and pictorial fashion.This database was presented to many Maori communities throughout New Zealand,and feedback was overwhelmingly positive.The database is likely to play a key role in informing these communities about 1080,and is seen as an important new tool to help these communities make their own risk assessments.
会议名称:

New Perspectives and Progress in Vertebrate Pest Management:The 6th European Vertebrate Pest Management Conference

会议时间:

2007-09-01

会议地点:

英国雷丁市

  • 专辑:

    农业科技

  • 专题:

    植物保护

  • 分类号:

    S481

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