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Showing result 1 - 5 of 37 essays matching the above criteria.

  1. 1. Aquaculture in Lake Storsjön: an ecosystem services based investigation

    University essay from Mittuniversitetet/Avdelningen för ekoteknik och hållbart byggande

    Author : Pietro Marcianò; [2015]
    Keywords : ecosystem services; aquaculture; CICES; Sweden; trade-offs;

    Abstract : The purpose of this thesis is to investigate if the application of the ecosystem services concept can provide decision makers and stakeholders with additional relevant information for decisions regarding establishing of aquaculture on a local level, using the Lake Storsjön as a case study. In order to provide this knowledge, three different tasks are carried out within this thesis: the identification of the main ecosystem services provided by Lake Storsjön, the understanding of ecosystem services that will be affected by the expansion of aquaculture and the identification of the services that will be used for a possible expansion of the aquaculture sector. READ MORE

  2. 2. Implementation of a Biogas-system into Aquaponics : Determination of minimum size of aquaponics and costs per kWh of the produced energy

    University essay from Mittuniversitetet/Avdelningen för ekoteknik och hållbart byggande

    Author : Julia Gigliona; [2015]
    Keywords : Aquaponics; Biogas;

    Abstract : Aquaponics might be one solution to produce food in a more sustainable way in the future. Aquaponics combines aquaculture and hydroponics in a way that the disadvantages of one system become the advantages of the other one. READ MORE

  3. 3. Antibiotikaresistensgener: förekomst och spridning i akvatisk miljö

    University essay from SLU/Dept. of Biomedical Sciences and Veterinary Public Health

    Author : Emmy Johansson; [2015]
    Keywords : antibiotikaresistens; resistensutveckling; antibiotikaresistensgener; akvatisk miljö; antibiotic resistance; resistance development; antibiotic resistance genes; aquatic environment;

    Abstract : Antibiotikaresistens hos bakterier har de senaste årtionden ökat drastiskt och är idag en av de största medicinska utmaningarna samhället står inför. Resistensutvecklingen har ökat i takt med den oförsiktiga användning av antibiotika som präglat både sjukvård och djuruppfödning i många år. READ MORE

  4. 4. Vermicompost for reduction of vegetable waste - and a possible means to produce fish feed in aquaponic systems?

    University essay from SLU/Department of Biosystems and Technology (from 130101)

    Author : Lisa Sandell; [2014]
    Keywords : aquaculture; earthworm protein ; fish feed; recycling strategies ; vermiculture;

    Abstract : Aquaponics is a food production system consisting of a consecutive cultivation of plants and aquatic animals, fish or shellfish, in recirculating water. The plants feed on the nutritious effluents from the fish tank and bacteria converts ammonia from the fish tank into nitrate that is absorbed by the plants. READ MORE

  5. 5. An investigation of the lipid content and lipid composition in Atlantic salmon, pink salmon and striped catfish, obtained at the local retailers in Uppsala, Sweden

    University essay from SLU/Dept. of Food Science

    Author : Sara Lövkvist; [2014]
    Keywords : fatty acids; n-3 LCPUFA; EPA; DHA; Vegetable oils; aquaculture; fish feed;

    Abstract : The aim of this study is to investigate the lipid content and lipid composition of fatty acids in Atlantic salmon (Salmo salar), pink salmon (Oncorhynchus gorbuscha) and striped catfish (Pangasius hypophthalmus), obtained at the local retailers in Uppsala, Sweden. Then explore the cause of the differences in the fatty acids between the three fish species. READ MORE