Monitoring the impacts of marine aggregate extraction: Knowledge Synthesis 2012 (GIS SIEGMA)Presses universitaires de Rouen et du Havre, 27 févr. 2014 - 44 pages This document is a comprehensive survey of the scientific knowledge acquired in late 2012 on the environmental impacts of marine aggregate extraction. The synthesis completes international knowledge (ICES WGEXT, COST Action 638 “MAGGNET”) with local investigation in Normandy on two sites of the Eastern English Channel in the framework of the 2003-2011 SIEGMA programme. |
Expressions et termes fréquents
abundance and biomass ADCP annelids Aut 06 Hiv Autres Baie Bathymetry benthic communities benthos biodiversity biological impact BIOMASS Ref Black bream Black black seabream bottom bottom trawling Boyd S.E. bream Black bream characterize common sole Cooper K.M. demersal fish species Desprez dominant preys draghead Eastern English Channel Ecopath environment environmental Eté 08 Aut Eté 10 Aut evolution experimental exploitation extraction activity extraction area extraction intensity fallow test fish communities functional groups GIS SIEGMA gurnard habitats IFREMER impact of extraction IMPACT ON BENTHOS impacts of marine km² Lafite Lesser weever Lioc pusi located marine aggregate dredging marine aggregate extraction marine ecosystem natural sediment transport Newell R.C. Niskin bottle number of species observed overflow Pandalina particle Pisidia Plaice Processa recolonisation process recovery Red mullet relative values expressed Sandeel sandy seabed sedimentary Seiderer L.J. Seine-Maritime SIEGMA programme sonar spatial trawling trophic trophic chain turbid plume water column zone