A correction to “Estimating seabed pressure from demersal trawls, seines and dredges based on gear design and dimensions”† (pdf)

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A correction to “Estimating seabed pressure from demersal trawls, seines and dredges based on gear design and dimensions”†

ICES Journal of Marine Science (2016), 73(9), 2420–2423. doi:10.1093/icesjms/fsw116 Corrigendum A correction to “Estimating seabed pressure from demersal trawls, seines and dredges based on gear design and dimensions”† 1 Charlottenlund Castle, National Institute for Aquatic Resources, Technical University of Denmark, 2920 Charlottenlund, Denmark Norway, Institute of Marine Research, 5817 Bergen, P.O. Box 1870 3 the Netherlands, IMARES, 1970 AB Ijmuiden, P.O. Box 68 4 Nantes, IFREMER, France 5 Department of Aquatic Resources, Institute of Marine Research, Swedish University of Agricultural Sciences, Turistgatan 5, Lysekil 45330, Sweden 6 Marine Scotland Science, 375 Victoria Rd, Aberdeen, AB11 9DB, Scotland 7 Animal Sciences Unit - Fisheries and Aquatic Production, Institute for Agricultural and Fisheries Research, Ankerstraat 1, Oostende, 8400, Belgium 8 Marine Institute, Galway, Ireland 9 CNR, Ancona, Italy 10 Hellenic Centre for Marine Research, Crete, Greece 11 Central Fisheries Research Institute, Kasüstü, Trabzon, 61100, Turkey 2 *Corresponding Author: tel: þ45 35883374; fax: þ45 35883333; e-mail: Eigaard, O. R., Bastardie, F., Breen, M., Dinesen, G. E., Hintzen, N. T., Laffargue, P., Mortensen, L. O., Rasmus Nielsen, J., Nilsson, H.,O’Neill, F. G., Polet, H., Reid, D. G., Sala, A., Sköld, M., Smith, C., Sørensen, T. K., Tully, O., Zengin, M., Rijnsdorp, A. D. A correction to “Estimating seabed pressure from demersal trawls, seines and dredges based on gear design and dimensions”. – ICES Journal of Marine Science, 73: 2420–2423. The Authors wish to update some values given in the article that were incorrect in the submitted version. The corrections are as listed below: 1. An updated version of Table 3 is provided below, with corrected information for métier names and order of appearance; 2. Results: Seabed penetration by gear component: paragraph 2: line 5: “>2” should be “2”; 3. An updated version of Table 5 is provided below based on corrected information from Table 3; 4. Results: Swept area per fishing hour of average vessels by métier: paragraph 2: lines 4-7: † Eigaard, O. R., Bastardie, F., Breen, M., Dinesen, G. E., Hintzen, N. T., Laffargue, P., Mortensen, L. O., Nielsen, J. R., Nilsson, Hans C., O’Neill, F. G., Polet, H., Reid, David G., Sala, A., Sköld, M., Smith, C., Sorensen, T. K., Tully, O., Zengin, M., and Rijnsdorp, A. D. Estimating seabed pressure from demersal trawls, seines, and dredges based on gear design and dimensions. – ICES Journal of Marine Science, 73: i27–i43. C International Council for the Exploration of the Sea 2016. All rights reserved. V For Permissions, please email: Ole R. Eigaard,1* Francois Bastardie,1 Mike Breen,2 Grete E. Dinesen,1 Niels T. Hintzen,3 Pascal Laffargue,4 Lars O. Mortensen,1 J. Rasmus Nielsen,1 Hans Nilsson,5 Finbarr G. O’Neill,6 Hans Polet,7 David G. Reid,8 Antonello Sala,9 Mattias Sköld,5 Chris Smith,10 Thomas K. Sørensen,1 Oliver Tully,8 Mustafa Zengin,11 Adriaan D. Rijnsdorp3 2421 Corrigendum “This is 30% more than the total swept-area estimate of otter trawling for Nephrops and mixed demersal fish ( 1.2 km2), for which impact at the subsurface level is estimated to be the highest of all métiers ( 0.3 km2)” should be: “This is 100% more than the total swept area estimate of otter trawling for demersal fish ( 0.8 km2), for which impact at the subsurface level is estimated to be 0.1 km2”. 5. An updated version of Figure 11 is provided below with corrected information from Table 5. The Authors wish to apologize for these errors, which do not affect the conclusions of the work. Main gear type OTs TBBs DRBs DSs BENTHIS-Métier OT_CRU OT_DMF OT_MIX OT_MIX_CRU OT_MIX_DMF_BEN OT_MIX_DMF_PEL OT_MIX_CRU_DMF OT_SPF TBB_CRU TBB_DMF TBB_MOL DRB_MOL SDN_DMF SSC_DMF Common single species ﬁsheries in the different métiers NEP PRA COD PLE NOP SAN CSH PLE RPW SCE PLE PLE Common primary target species of the mixed ﬁsheries in the different métiers (secondary target species in parentheses) MIXa ARA PLE WHG NEP DPS SOL HAD (PLE) TGS MON HKE (COD) (ARS) (TUR) (POK) (LEM) PLE SOL (TUR) (BLL) PLE PLE COD COD (PLE) HAD (COD) (PLE) (DPS) (MEG) (COD) (MON) (NEP) (LEM) (WHG) (TUR) (CTC) (MON) (HAD) (HAD) (COD) (HAD) (POK) (BLL) (MUT) (CTC) SPR SOL MUS COD COD OYF Explanations for the species abbreviations can be found in Supplementary Table S3. OT, otter trawl; TBB, beam trawl; SDN, anchored seine/Danish seine; SSC, ﬂyshooting/Scottish seine; DRB, Dredge. a Species not speciﬁed in questionnaire, only “MIX” informed. Table 3 BENTHIS métiers. OT_CRU OT_DMF OT_MIX OT_MIX_CRU OT_MIX_DMF_BEN OT_MIX_DMF_PEL OT_MIX_CRU_DMF OT_SPF TBB_CRU TBB_DMF TBB_MOL DRB_MOL SDN_DMF SSC_DMF 19 5 7 6 8 71 12 4 7 34 22 33 47 8 Typical target species Nephrops or shrimp Cod or plaice or Norway pout Species not informed Mixed Crustaceans Mixed benthic ﬁsh Mixed bentho-pelagic ﬁsh Nephrops and mixed ﬁsh Sprat or sandeel Crangon Sole and plaice Thomas’ Rapa whelk Scallops or mussels Plaice or cod Cod, haddock, ﬂatﬁsh 2.7 (61.1) 1.6 (60.3) 1.7 (60.5) 1.1 (60.1) 1.4 (60.6) 2.5 (61.2) 1.4 (60.6) 2.8 (60.1) Doors/ clumps/ Observations weights 67.9 (620.5) 86.0 (619.2) 80.9 (615.9) 70.8 (68.9) 84.1 (65.8) 58.5 (629.3) 70.0 (612.2) 63.5 (62.0) Sweeps and bridles Beam shoes Tickler chains Vessel size 54 7 66 45 18 182 50 2 8 47 21 33 43 6 2.5 (60.3) 3.1 (60.2) 2.8 (60.2) 3.0 (60.2) 2.9 (60.2) 3.4 (60.4) 2.6 (60.4) 2.9 (60.1) 3.0 (60.5) 5.2 (61.3) 2.4 (60.3) 2.5 (60.0) 0 - 2.5b 0 - 3.0b 2.6 (60.6) 1.9 (60.5) 27.2 (66.0) 43.4 (66.0) 122 33 93 45 48 192 66 19 8 48 22 33 46 8 345.5 kW (6210.0) 441.7 kW (6265.3) 400.6 kW (6186.3) 681.0 kW (6358.3) 24.4 m (66.5) 23.7 m (65.6) 19.9 m (66.2) 34.4 m (612.0) 210.6 kW (662.6) 822.2 kW (6376.2) 10.1 m (62.8) 24.6 m (65.6) 167.7 kW (654.9) 23.1 m (64.5) Length (m) Seine Towing speed Seine haul Seine rope or Engine rope Observations (knots) duration (hours) diameter (mm) Observations power (kW) 29.4 (618.1) 12.4 (62.5) 17.4 (612.4) 28.1 (69.7) 14.5 (68.2) 39.0 (6 16.5) 28.6 (611.2) 33.7 (60.2) 95.6 (62.1) 4.4 (62.1) 91.7 (63.4) 8.3 (63.4) 91.7 (63.4) 94.5 (60.8) 5.5 (60.8) 94.5 (60.8) 100 (60.0) a 90.0a 10.0 90.0a 10.0a Ground gear Towing speed, seine haul duration and seine rope diameter Standard deviations in parentheses. a For the DSs, the component percentages of the total footprint size are based on assumptions as detailed in the methods section. b The towing speed range for DSs informs start and endpoint of a gradual increase in seine speed over ground during the individual ﬁshing operation (Supplementary Methods section). DRBs SDs TBBs OTs Main gear type BENTHIS metier Proportion of total footprint size (%) Table 5 Averages of component proportions of total gear footprint, of towing speed over ground, of seine haul duration and rope diameter, and of vessel size for the BENTHIS métiers. 2422 O. R. Eigaard et al. Corrigendum 242 (...truncated)