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==Sampling tools for the marine environment==
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<div style="float:right; margin-left:10px; margin-top:5px">[[File:Compendiumcoastandsea.jpg|160px|right|link=Compendium for Coast and Sea - creating a marine science-policy interface]]</div>
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'''Compendium for Coast and Sea - creating a marine science-policy interface'''
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[[Image:pelagic trawl1.jpg|right|pelagic trawl <ref name="maine" >http://www.usm.maine.edu/gulfofmaine-census/Docs/Technology/STPC.htm#bottomtraw</ref>|frame]]
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The Compendium for Coast and Sea is an integrated knowledge document about the socio-economic, environmental and institutional aspects of the coast and sea in Flanders and Belgium. As such, it constitutes a one-stop shop for data and information from the Flemish and Belgian marine and maritime research community and experts. The Compendium for Coast and Sea is an initiative of the Flanders Marine Institute (VLIZ) and was developed in close collaboration with experts from the research community, government, industry and civil society organisations. The first version of the Compendium was launched in 2013, a second edition was presented in 2015.
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This article provides an overview of the sampling tools and fishing techniques used in the marine environment. These relate to species occuring on the sea surface, the water column and on the seabed. 
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<ref name="maine" >http://www.usm.maine.edu/gulfofmaine-census/Docs/Technology/STPC.htm#bottomtraw</ref>All methods of physical capture are inherently selective. Small fish may pass through large-meshed nets; large fish may out-swim trawls; gill nets will catch fish mainly of a certain size range. Fish may react differently to fishing gear with respect to species, size, biological state, environmental conditions including ambient light and the acoustic noise field, among many other factors.
 
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<ref>Steele, J.H.; Thorpe, S.A.; Turekian, K.K. (Ed.). (2001). Encyclopedia of ocean    sciences. Academic Press: San Diego, CA (USA). 6 vol. p748-749</ref>|This is why organisms are subdivided out of practical necessity, in that the sampling approach and sample size that are appropriate for one group are often inappropriate for another. The disparity in appropriate techniques for different sizes of groups of organisms has contributed greatly to the paucity of studies on more than one taxonomic grouping at a given locale.
 
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Unfortunately, where conflicting conclusions have been drawn patterns in different groups of organisms, it is rarely possible to know whether the patterns truly vary among groups or merely reflect differences in sampling efforts.
 
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The choice of a suitable sampler is a compromise between a variety of factors, as discussed in the article.
 

Latest revision as of 15:52, 8 April 2016

Compendiumcoastandsea.jpg

Compendium for Coast and Sea - creating a marine science-policy interface


The Compendium for Coast and Sea is an integrated knowledge document about the socio-economic, environmental and institutional aspects of the coast and sea in Flanders and Belgium. As such, it constitutes a one-stop shop for data and information from the Flemish and Belgian marine and maritime research community and experts. The Compendium for Coast and Sea is an initiative of the Flanders Marine Institute (VLIZ) and was developed in close collaboration with experts from the research community, government, industry and civil society organisations. The first version of the Compendium was launched in 2013, a second edition was presented in 2015.

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