使用AIS数据和移动应用程序量化定压力和新管理措施的有效性
Thomas Bockel1, Guilhem Marre2, Gwenaëlle Delaruelle2
1Andromède océanologie, 7 place Cassan, Carnon plage, 34130 Mauguio, France; MARBEC, UMR IRD-CNRS-UM-IFREMER 9190, Université Montpellier, 34095 Montpellier Cedex, France.
Marine pollution bulletin
|September 14, 2023
概括
2019年法国的一项法规有效地减少了大型船只在受保护的Posidonia oceanica海草草原上停泊. 这种保护保留了重要的碳捕获潜力,证明了监管的规范性.
科学领域:
- 海洋生态海洋生态学
- 保护科学是一种保护科学.
- 环境政策 环境政策
背景情况:
- 大型船只的停泊对敏感的海洋息地,特别是海草草原构成重大威胁.
- 波西多尼亚海洋草地是重要的生态系统,易受定造成的物理损害.
- 自动识别系统 (AIS) 提供了一种追踪船舶活动及其生态影响的方法.
研究的目的:
- 评估大型船只停泊在Posidonia oceanica海草草原上的影响.
- 评估2019年法国法规的有效性,该法规禁止船只在P. oceanica草中停泊超过24米的船只.
- 量化实施法规的生态效益,特别是碳封存.
主要方法:
- 利用自动识别系统 (AIS) 数据绘制 anchoring事件和识别船只大小.
- 分析了2019年法规之前和之后的定模式.
- 根据息地保护计算了保护的海草面积和估计的隔离碳.
主要成果:
- 在监管之前,人们观察到固定事件的持续增加,其中许多发生在P. oceanica草原内.
- 根据2019年法规,大型船只 (>24米) 在这些草原内停泊的数量显著减少.
- 该法规在2022年保留了134至217的碳封存能力.
结论:
- 通过准确的息地绘图支持的,关于定的严格规定,有效地保护了脆弱的海草生态系统.
- 法国法规显示出一种成功的方法来减轻人类对关键海洋息地的影响.
- 保护政策可以为生态系统服务 (如碳捕获) 带来可衡量的好处.
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