Essays about: "Molluscs"

Showing result 1 - 5 of 11 essays containing the word Molluscs.

  1. 1. Diet of Arctic char and brown trout in Northern Sweden : potential effects of burbot and lake area

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Sebastian Dagman; [2023]
    Keywords : arctic char; brown trout; diet; stomach content; salmonids; burbot;

    Abstract : To manage and conserve different fish species, it is important to know what factors affect the presence and performance of the species. Relatively few studies have focused on burbot and how they interact with other species. READ MORE

  3. 2. Aquaculture in Sweden: challenges and opportunities : Perspectives on sustainable aquaculture development

    University essay from Stockholms universitet/Institutionen för naturgeografi

    Author : Josefine Skyllberg; [2022]
    Keywords : Aquaculture; open-net pen farming; semi-closed aquaculture systems; integrated multi-trophic aquaculture; diversification; sustainability; Vattenbruk; kassodling; semi-slutet vattenbrukssystem; integrerat multitrofisk vattenbruk; diversifiering; hållbarhet;

    Abstract : The global population is expected to increase and the greatest challenge for the world’s food-producing sector is to secure food and nutrition through sustainable production methods and reduced waste. Aquaculture is the cultivation of aquatic organisms including fish, molluscs, crustaceans and algae, and has a significant role in providing food and employment as the demand for food is increasing. READ MORE

  4. 3. Arctica Islandica – Annually Banded Mollusc Offers High Temporal Resolution Record Into End Of North Sea Little Ice Age

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Eilidh Towers; [2022]
    Keywords : sclerochronology; Arctica islandica; palaeoenvironments; Little Ice Age; radiocarbon reservoir effect;

    Abstract : Sclerochronology affirms the well-established fact that banded growth increments in marine molluscs accurately record oscillations in climate and environment for the past millennia or more. This study considers how such records can enhance understanding of environmental shifts across the 18th to 20th centuries. READ MORE

  5. 4. Copper bioaccumulation in blue mussels and periwinkles from marinas

    University essay from Högskolan i Halmstad/Akademin för ekonomi, teknik och naturvetenskap

    Author : Tomas Sjökvist; [2019]
    Keywords : Littorina littorea; Mytilus edulis; antifouling paint; invertebrates; biomonitoring;

    Abstract : Copper (Cu) is a heavy metal that is essential for life but toxic at high concentrations. This toxic effect is used on boats to prevent biofouling on boat hulls by painting the hulls with antifouling paint that contain high levels of Cu. The Cu is slowly diffused out in the water and accumulated by animals higher up in the food chain. READ MORE

  6. 5. Microplastics in the Oresund Region of the Baltic Sea - sources and effects

    University essay from Lunds universitet/Miljövetenskaplig utbildning

    Author : Simon Bystedt; [2018]
    Keywords : Microplastic; microbeads; source; effects; wastewater; review; baltic; agriculture; sludge; Earth and Environmental Sciences;

    Abstract : Plastic production is only increasing, and it‟s not showing any signs of slowing down. Microplastics are particles smaller than 5 mm, either produced intentionally, or created from items being withered into small particles. READ MORE