Research of the Department Marine Aquaculture for Sustainable Fisheries
One of the main objectives of modern aquaculture will be the production of residual free aquatic organisms for human consumption. Due to stagnating catches of fisheries and numerous stakeholders of coastal areas and thus increasing levels of pollution this objective will be a real challenge. Possible solutions for this challenge can be the production in closed landbased recirculating aquaculture system and the culture offshore, away from the coastal areas. For sustainable, environmentally friendly aquaculture which also has to be economically viable, research on various levels has to be conducted. IMARE is already working in these fields. For more information on Recirculating Aquaculture Technology and Open Ocean Technology click here.
Research projects
A.st.ra
Subject of the project A.st.ra. is the development of a recirculating aquaculture system (RAS) to produce noble crayfish (Astacus astacus).
NEISFish
Focus of this project is the optimisation of flat fish diets by using feed additives. These substances have to be directly applicable for intense aquaculture and should enhance animal health and reduce feed input.
Higher nutrient recycling in RAS through Nereis virens
In this project growth and biochemical composition of Nereis virens (Sars, 1835) applied as a bioconverter of solid waste from landbased marine fish culture (in this case of Dicentrarchus labrax) was tested. Therefore growth experiments within a closed recirculation system were conducted and the fatty and amino acid profile of the polychaetes was determined.
ß-Glucan in cultured flatfish in moderate latitudes
The interest of this Thesis is to investgate the effect of ß-1-3-Glucan enriched pallets on the immune system and growth of juvenile Olive Flounder (Paralichthys olivaceus) and Starry Flounder (Platichthys stellatus) and whichparameters can show this effect best.
Open Ocean Multi-Use
The project “Open Ocean Multi-Use” aims to realistically assess the biological, economic, technical, and socio-economic feasibility of integrating aquaculture constructions into offshore wind energy facilities. While a range of research institutions and enterprises are involved in this multi-disciplinary project, IMARE is responsible for the biological and socio-economic studies.
Nematodes - Fishfood
The goal of this project is to develop techniques for mass producing nematodes (roundworms) as well as procedures to use them as live food organism in rearing marine fish larvae in commercial aquaculture. The nematodes will be fed to larvae of different marine fish species to investigate their applicability in larviculture.
European Seabass - Protein proportions
Comparing the nutrient excretion of European Seabass (Dicentrarchus labrax) fed with varying protein proportions: possible implications on the design of recirculating aquaculture systems.
Alternative feeding resources
In order to meet future demand for fish products while preserving natural stocks, it is indispensible to find appropriate organisms for the development of alternative feeding resources for carnivorous aquatic organisms in aquaculture. Through various analyses, potential organisms are checked for their substance of content and chemical composition and arethen compared against traditonal feeding stuff in order to find the most adequate organisms. Within this process, economic as well as biological factors are being considered.
NutriMat
The project aims to examine the applicability and quality of fouling organisms on offshore submerged structures to serve as an alternative protein and lipid source in aquaculture. Additionally a harvest device and a processing procedure shall be developed.
Toxsense
Development of immunoassay based biosensors for sensitive detection of EDCs (Endocrine Disrupting Chemicals) Mecoprop and Bisphenol.
Halophytes
The project focuses on the biological sewage purification in landbased marine recirculating aquaculture systems (RAS) by the integrated culture of salt-tolerant plants (halophytes) in artificial wetlands.