School of Biological and Marine Sciences, University of Plymouth, Drakes Circus, Plymouth PL4 8AA, UK.
School of Biological and Marine Sciences, University of Plymouth, Drakes Circus, Plymouth PL4 8AA, UK.
Mar Pollut Bull. 2022 Nov;184:114199. doi: 10.1016/j.marpolbul.2022.114199. Epub 2022 Oct 7.
Mechanical interventions are increasingly suggested as a means of removing plastic litter from aquatic environments; their performance is rarely evaluated, but such information is critical to inform policy interventions such as those required to facilitate UNEA 5.2. The Seabin, a fixed-point device designed to remove floating litter in sheltered waters was examined in an urban tidal marina (Southwest UK). It captured on average 58 litter items/day; chiefly plastic pellets, polystyrene balls and plastic fragments. It also captured one marine organism for every 3.6 items of litter, or 13 organisms/day, half of which were dead upon retrieval. The rate of litter capture was inferior to manual cleaning conducted with nets from pontoons or vessels. Hence, in this location the Seabin was of minimal benefit in terms of marine litter removal and resulted in mortality of marine organisms. The presence of such devices could also precipitate false optimism and reliance on technological solutions, rather than systemic changes in our production, use, and disposal of plastics.
机械干预措施被越来越多地提出作为从水生环境中去除塑料垃圾的一种手段；它们的性能很少得到评估，但这些信息对于为 UNEA 5.2 提供政策干预措施等至关重要。Seabin 是一种固定点设备，旨在清除遮蔽水域中的漂浮垃圾，在城市潮汐码头（英国西南部）进行了检查。它平均每天捕获 58 件垃圾；主要是塑料颗粒、聚苯乙烯球和塑料碎片。它还每捕获 3.6 件垃圾就捕获一个海洋生物，即每天 13 个生物，其中一半在回收时已经死亡。垃圾捕获率低于使用浮桥或船只上的网进行的手动清洁。因此，在这个位置，Seabin 在去除海洋垃圾方面的效果微乎其微，并且导致海洋生物死亡。此类设备的存在也可能引发虚假的乐观情绪和对技术解决方案的依赖，而不是我们在塑料的生产、使用和处理方面进行系统性的改变。
