Spatial extent of seafloor trawled in the Hatton - Rockall area during 2005: overlapping tracks merged.
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Estimates based on 28 vessels engaged in bottom trawling, identified from speed profiles and pattern of activity. Overlapping tracks merged to give single area.*Dick Ferro, Fisheries Research Services, Aberdeen, personal communication.**Hall-Spencer et al., 2002 [39].1Davies et al., 2007 [3].2ICES, 2007 [38].31.5–5.0 knots encompasses the range of bottom trawling speeds referred to by Davies et al., 2007 [3] and ICES, 2007 [38].
创建时间：
2015-12-02
