了解偏远岛屿海洋垃圾的来源:加拉帕戈斯群岛作为一个案例研究
Alba Benito-Kaesbach1, Jenifer Suárez-Moncada2, Alfonso Velastegui2
1Department of Ecology, University of Alicante, PO Box 99, E-03080, Alicante, Spain.
Environmental pollution (Barking, Essex : 1987)
|March 15, 2024
概括
塑料瓶是加拉帕戈斯岛海海洋垃圾的主要来源,主要来自秘鲁和中国. 减少这种污染需要解决陆地来源和船舶倾倒问题.
科学领域:
- 海洋生物学 海洋生物学
- 环境科学 环境科学
- 保护科学 保护科学
背景情况:
- 海洋垃圾是一个日益严重的全球环境问题.
- 塑料瓶是海洋污染和沙垃圾的重要贡献者.
- 像加拉帕戈斯群岛这样的偏远地区对于追踪垃圾来源非常有价值.
研究的目的:
- 为了量化在偏远的加拉帕戈斯海上塑料瓶的丰富性.
- 为了确定这种海洋垃圾的地理来源.
- 了解加拉帕戈斯群岛塑料瓶污染的途径.
主要方法:
- 在2018年至2022年期间,从60个偏远的加拉帕戈斯海系统收集塑料瓶.
- 瓶子原产地 (国家) 和类型的分析 (例如,聚乙烯四甲酸).
- 根据每100米的瓶子密度估计的污染水平.
主要成果:
- 76%的被调查的海受到严重污染 (>34瓶·100米-1).
- 大多数发现的塑料瓶来自秘鲁 (71%),中国 (17%) 和厄瓜多尔 (9%).
- 聚乙烯四甲酸盐瓶 (88%) 是最常见的,表明远处的来源,船只倾倒疑似一些国际和本地垃圾.
结论:
- 海洋垃圾,特别是塑料瓶,对加拉帕戈斯群岛的生态系统构成重大威胁.
- 主要来源来自南美洲的陆地,而船只倾倒也是一个因素.
- 缓解策略必须包括减少陆地塑料泄漏,并执行对海洋倾倒的法规.
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