低且稳定:在偏远的南太平洋地区的Kermadec Petrels中,塑料暴露的变化最小
Jennifer L Lavers1, Jacqui Christian2, Alexander L Bond1
1Bird Group, Natural History Museum, Akeman Street, Tring, Hertfordshire, HP23 6AP, United Kingdom; Adrift Lab, Underwood, Lutruwita/Tasmania, 7268, Australia.
Marine pollution bulletin
|March 8, 2026
概括
30年来,Kermadec Petrels表现出持续的塑料摄入,其中23.1%的样本含有塑料. 这表明它们可以选择性地避免塑料污染,这表明与相关物种相比,暴露风险较低.
科学领域:
- 海洋生物学 海洋生物学
- 环境科学 环境科学
- 保护生物学 保护生物学
背景情况:
- 海洋塑料污染是一个日益严重的全球危机,影响海洋生态系统和野生动物.
- 了解特定物种对塑料摄入的脆弱性,对于有效的保护策略至关重要.
- 之前的研究强调了各种海鸟种群中广泛的塑料摄入.
研究的目的:
- 为了记录和量化Kermadec Petrels (Pterodroma neglecta) 中的塑料摄入量.
- 将当前的塑料摄入数据与跨越30年的历史记录进行比较.
- 评估Kermadec Petrels在南太平洋地区的塑料暴露风险.
主要方法:
- 在亨德森岛和欧诺环礁的Kermadec Petrel幼的实地采样.
- 在收集的样本中分析摄入的塑料含量 (数量和质量).
- 当代数据与该物种的历史塑料摄入记录的比较.
主要成果:
- 在采样的Kermadec Petrel幼 (n=13) 的23.1%中检测到塑料的摄入.
- 摄入的塑料质量很低 (平均±SD:0.0113 ±0.0061g;中间块:2.0).
- 在过去的30多年里,塑料摄入量一直保持一致.
结论:
- 与该地区一些相关的海鸟物种相比,Kermadec Petrels的塑料摄入率较低.
- 该物种可能具有行为适应,例如选择性食或避免塑料污染地区.
- 这些发现表明,Kermadec Petrels可能有较低的海洋塑料污染危害风险.
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