含铅弹药对濒危的新西兰凯亚雀(Nestor notabilis)构成威胁

IF 7.7 1区 环境科学与生态学 Q1 BIODIVERSITY CONSERVATION
Eric J. Buenz, Myra Finkelstein, Ellen Cieraad, Pauline Howard, Gareth J. Parry, Simon Hunter, Jordan O. Hampton, Victoria J. Bakker, Fiona Sloan, Ben Hodgson, Kerry A. Weston
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引用次数: 0

摘要

铅(Pb)中毒对新西兰奥特亚罗瓦的濒危kea(Nestor notabilis)是一个重大威胁。过去,人们认为接触铅的来源是含铅建筑材料;但最近的实地观察表明,铅基弹药也是一个来源。我们使用稳定的铅同位素来研究Kea的铅来源。通过比较蟒蛇血液(n = 91)中的 207 Pb/206 Pb 比率与弹药和建筑材料的比率,我们发现约有三分之一暴露于铅的蟒蛇(血液铅含量为 10 µg/dL)的铅同位素比率与暴露于铅基弹药的比率一致。由于含铅弹药仍在使用,包括在政府资助的捕杀计划中,我们的数据表明迫切需要转向使用无铅弹药,以防止进一步中毒,并帮助保护工作。我们与 Tangata whenua/Māori 守护者合作,倡导立即改变政策,在 kea 的栖息地消除含铅弹药,以保护这一濒危的文化珍宝物种免遭灭绝。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Lead-based ammunition is a threat to the endangered New Zealand Kea (Nestor notabilis)
Lead (Pb) poisoning is a significant threat to Aotearoa New Zealand's endangered kea (Nestor notabilis), an avian species important to Māori. Historically, exposure was thought to be from lead-containing building materials; however, recent field observations suggest lead-based ammunition as an additional source. We used stable lead isotopes to investigate the sources of lead to kea. Comparing 207 Pb/206 Pb ratios in kea blood (n = 91) to both ammunition and building materials, we found approximately one-third of exposed kea (blood lead > 10 µg/dL) had lead isotope ratios consistent with exposure to lead-based ammunition. As lead ammunition is still used, including in government-sponsored culling programs, our data indicate an urgent need to shift toward non-lead ammunition use to prevent further poisoning and aid conservation efforts. Collaborating with tangata whenua/Māori guardians, we advocate for immediate policy changes to eliminate lead-based ammunition in kea habitat to safeguard this endangered culturally treasured species from extinction.
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来源期刊
Conservation Letters
Conservation Letters BIODIVERSITY CONSERVATION-
CiteScore
13.50
自引率
2.40%
发文量
70
审稿时长
>12 weeks
期刊介绍: Conservation Letters is a reputable scientific journal that is devoted to the publication of both empirical and theoretical research that has important implications for the conservation of biological diversity. The journal warmly invites submissions from various disciplines within the biological and social sciences, with a particular interest in interdisciplinary work. The primary aim is to advance both pragmatic conservation objectives and scientific knowledge. Manuscripts are subject to a rapid communication schedule, therefore they should address current and relevant topics. Research articles should effectively communicate the significance of their findings in relation to conservation policy and practice.
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