影响海洋垃圾分布的社会经济因素:葡萄牙案例研究
I Iglesias1, M Lupiac2, L R Vieira1
1Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Universidade do Porto, Matosinhos, Portugal.
Marine pollution bulletin
|June 17, 2023
概括
海洋垃圾,主要是塑料,受到人口密度和环境支出等社会经济因素的重大影响. 了解这些联系对于有效的海洋垃圾管理战略至关重要.
科学领域:
- 环境科学 环境科学
- 海洋生物学 海洋生物学
- 社会经济学 社会经济学
背景情况:
- 海洋垃圾在全球范围内构成重大环境,经济,社会和健康风险.
- 识别海洋垃圾的社会经济驱动因素对于有效的减缓至关重要.
研究的目的:
- 分析影响葡萄牙大陆和阿佐尔群岛沙垃圾分布的社会经济因素.
- 实施一种用于海洋垃圾表征和来源归因的新技术.
主要方法:
- 用集群分析将社会经济数据与沙垃圾特征结合起来.
- 应用了一种新的技术,用于海洋垃圾的表征和来源识别.
主要成果:
- 塑料占海洋垃圾的92.9%,其中小塑料碎片和烟是最多的类别.
- 公共垃圾 (34.5%) 和渔业 (9.8%) 被确定为主要来源,尽管46.5%仍未归因.
- 在垃圾数量/类型和市政环境支出,人口密度,经济部门和地理条件之间发现了积极的相关性.
结论:
- 社会经济因素,包括人口密度和环境支出,与海洋垃圾的数量和类型有明显的相关性.
- 该研究证明了新技术在海洋垃圾分析中的实用性及其在其他地区的潜在应用.
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