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Benthic impact of fisheries in European waters: the distribution and intensity of bottom trawling ArchiMer
Eigaard, Ole R.; Bastardie, Francois; Hintzen, Niels; Buhl-mortensen, Lene; Buhl-mortensen, Pål; Catarino, Rui; Dinesen, Grete E.; Fock, Heino; Geitner, Kerstin; Gerritsen, Hans; Gonzalez, Manuel M.; Jonsson, Patrik; Kavadas, Stefanos; Laffargue, Pascal; Lundy, Mathieu; Mirelis, Genoveva G.; Nielsen, Rasmus; Papadopoulou, Nadia; Posen, Paulette; Pulcinella, Jacopo; Russo, Tomasso; Sala, Antonello; Silva, Cristina; Smith, Chris; Vanelslander, Bart; Zengin, Mustafa; Rijnsdorp, Adriaan D..
Mapping and monitoring of pressure from fishery on the marine benthic environment is necessary to support an ecosystem approach to fisheries management (EAFM). In many cases this need is not reflected in official fisheries statistics and logbooks, where focus typically is on catch rather than effort. Consequently, most logbook information is not well suited for quantitative estimation of seafloor impact (swept area and impact severity) of the different gears and trips. We developed a method to overcome this information deficiency of official statistics and produced European wide high-resolution fishing intensity maps (total yearly swept area within grid cells of 1*1 minutes longitude and latitude) for 2010, 2011 and 2012. The annual distribution and...
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Ano: 2015 URL: http://archimer.ifremer.fr/doc/00310/42138/54476.pdf
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Functional links between sea-bed habitats and demersal fish stocks (A generic model of benthic productivity, diversity and natural disturbance, and a dynamic food web model of benthic ecosystem function) ArchiMer
Rijnsdorp, A.d.; Van Kooten, T.; Van De Wolfshaar, K.; Eggleton, J.; Bolam, S.g.; Buhl-mortensen, Lene; Garcia, C.; Gonzalez, G.; Dinesen, Grete; Papadopoulou, Nadia; Smith, Chris; Gumus, A.; Bastardie, François; Eigaard, O.r.; Hiddink, Jan Geert; Sciberras, M.; Kenny, Andrew; Laffargue, Pascal; Piet, G.j.; Polet, Hans; Van Denderen, P.d.; Van Kooten, Tobias; Zengin, Mustafa.
An important consideration in assessing the impacts of fishing on seabed habitats is to understand the functional links (as trophic interactions) between populations of demersal fish species and potential benthic invertebrate prey (food) which live on or in the seabed. The type of sea-bed fauna has been shown to respond to both natural variation in habitat conditions and in response to different levels of fishing pressure. The extent to which different commercial fish species will depend on specific combinations of habitat type and fishing disturbance to feed will likely be species specific. It has been suggested that positive changes in growth rates of different demersal fish species are not only related to density-dependent processes, but may also be...
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Ano: 2016 URL: http://archimer.ifremer.fr/doc/00425/53641/54478.pdf
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