Derelict fishing gear (DFG) is a highly persistent form of marine pollution known to cause environmental and economic damage. At-sea detection of DFG would support pelagic removal of this gear to prevent and minimize impacts on marine environments and species. In 2008, experts in marine debris, oceanography,remote sensing, and marine policy outlined a strategy to develop the capability to detect and ultimately remove DFG from the open ocean. The strategy includes three interrelated components: understanding
the characteristics of the targeted DFG, indirectly detecting DFG by modeling likely locations, and directly
detecting pelagic DFG using remote sensing. Together, these components aim to refine the search area,
increase the likelihood of detection, and decrease mitigation response time, thereby providing guidance
for removal operations. Here, we present this at-sea detection strategy, relate it to relevant extant research
and technology, and identify gaps that currently prevent successful at-sea detection and removal of DFG
Derelict fishing gear (DFG) is a highly persistent form of marine pollution known to cause environmentaland economic damage. At-sea detection of DFG would support pelagic removal of this gear to prevent andminimize impacts on marine environments and species. In 2008, experts in marine debris, oceanography,remote sensing, and marine policy outlined a strategy to develop the capability to detect and ultimatelyremove DFG from the open ocean. The strategy includes three interrelated components: understandingthe characteristics of the targeted DFG, indirectly detecting DFG by modeling likely locations, and directlydetecting pelagic DFG using remote sensing. Together, these components aim to refine the search area,increase the likelihood of detection, and decrease mitigation response time, thereby providing guidancefor removal operations. Here, we present this at-sea detection strategy, relate it to relevant extant researchand technology, and identify gaps that currently prevent successful at-sea detection and removal of DFG
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