Cel The aim of this project is to develop an ecological model of the food requirements of commercially important molluscan species, based on the examination of potential food available in the water, its provenance and the types of food utilised by different species. Parallel studies (of inputs from land, primary production in the water column/seafloor, and secondary production) will be carried out in Ireland and Greece. Physical and chemical oceanographic data will be collected and employed to characterise each study location and in situ feeding experiments will be set-up to determine - qualitatively and quantitatively - food intake by different species. The research can be broken down into the following seven inter-related elements/phases: Determine the annual input of particulate and dissolved organic matter from the land into the targeted study areas by estimating freshwater deliveries. Against a background of rainfall records and river gauge data, land derived POC, PON and DOC will be monitored over a one year period. Determine values for primary production based on light/dark bottle values over a one year period. These values will incorporate monthly readings in periods of known low production and twice-monthly readings during productively active periods. Standard water measurements will be taken on each sampling occasion. Zooplankton productivity will also be assessed. Determine whether the study areas are net importers or exporters of organic material. Models will be developed of the study areas based on bethymetry and water column structure. Qualitative and quantitative benthic surveys will be carried out (using traditional grab/core sampling and sediment profile imagery (SPI)) to characterise the bottom-dwelling communities and their associated substrates. Estimate the current production of bivalves in the study areas. Estimate the total food available to all species. Using wild populations, in situ experiments will attempt to ascertain what the commercial species feed on. The data generated by the estimates of food availability, feeding and feeding efficiencies of the commercial species will be modelled to determine the carrying capacities of the respective Irish and Greek study locations. Dziedzina nauki social scienceseconomics and businesseconomicsproduction economicsproductivity Program(-y) FP2-FAR - Community research and coordination programmes (EEC) in the fisheries sector, 1988-1992 Temat(-y) Data not available Zaproszenie do składania wniosków Data not available System finansowania Data not available Koordynator University College Galway Wkład UE Brak danych Adres Galway Irlandia Zobacz na mapie Koszt całkowity Brak danych Uczestnicy (3) Sortuj alfabetycznie Sortuj według wkładu UE Rozwiń wszystko Zwiń wszystko REGIONAL TECHNICAL COLLEGE-DEPT EXPERIMENTAL SCIENCE Irlandia Wkład UE Brak danych Adres Dundalk Zobacz na mapie Koszt całkowity Brak danych UNIV NOVA DE LISBOA-FACULDADE DE CIENCIAS E TECNOLOGIA Portugalia Wkład UE Brak danych Adres Monte de Caporica Zobacz na mapie Koszt całkowity Brak danych UNIVERSITY OF ATHENS-DEPARTMENT OF BIOLOGY Grecja Wkład UE Brak danych Adres Athens Zobacz na mapie Koszt całkowity Brak danych
