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Development of Macrozoobenthos and Demersal Fish Layers for Polish Marine Waters

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42 diapositives · 569 Views · Oct 06, 2014

This report details the development of ecological layers for Polish marine waters, focusing on macrozoobenthos and demersal fish species from 2002-2007. It encompasses the analysis of species composition, abundance, and biomass, using samples collected from scientific cruises of the vessel "Baltica" and data from the Ministry of Agriculture. The layers, formed into shapefiles, include 20 macrobenthic species and critical fish species like cod, flounder, and plaice. The study contributes significantly to marine biodiversity understanding and conservation in the southern Baltic region.

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Development of Macrozoobenthos and Demersal Fish Layers for Polish Marine Waters
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  1. SEA FISHERIES INSTITUTE IN GDYNIA Aleksander Drgas Sławomira Gromisz Lena Szymanek Jan Warzocha Hanna Wróblewska

  2. 2.2.4. Developing the following layers for Polish marine waters: macrozoobenthos (species composition, abundance, biomass) laboratory analysis of samples from 2002-2005 2.2.5. Developing the following layers for Polish marine waters: demersal fish (species composition, biomass, spawning grounds, migrations 3.1.2.7 Studies of macrozoobenthos and meiofauna in the Puck Bay 3.1.2.8Analysis of macrozoobenthos and meiofauna samples and preparation of GIS layer Video footage captured with a towed underwater camera (20 km) 3.1.1.4

  3. Distribution of stations

  4. Typy rozmieszczenia omułka

  5. Developing of layers were based on the material from the entire Polish zone of the southern Baltic in years 1978-2005. The layers (shapefiles) include 20 macrobenthic species. The names of species were coded according to Rubin code and the European Register of marine species. Three layers have been developed: presence, abundance and biomass based on coordinate system PUWG 92. Vector polygon 5 kmx5 km was used.

  6. The foollowing, most important, demersal species of fish were chosen: cod (Gadus morhua), European flounder (Platichtys flesus), European plaice (Pleuronectes platessa) and turbot (Psetta maxima). The data chosen for developing layers describe years 2006 and 2007. For biomass estimation data have been collected during scientific cruises of research vessel “Baltica” from the Sea Fisheries Institute in Gdynia. The data on fishing are based on the fishery statistics, collected by Ministry of Agriculture. Separately were describe different gear; bottom otter trawl and set gillnet.