Essays about: "fish system"

Showing result 1 - 5 of 148 essays containing the words fish system.

  1. 1. Evaluation of novel climate-friendly feed for Nile tilapia in Tanzania

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Vilma Johansson; [2023]
    Keywords : Black soldier fly; novel fish feed; circular aquaculture; sub-Sahara aquaculture; greenhouse gas emissions; LCA; Nile tilapia;

    Abstract : Tanzania is a country located in sub-Sahara Africa by the Indian Ocean. Tanzania's aquaculture sector is small but has the potential to grow. As the population grows, so does the demand for food. Nile tilapia is the most cultured fish in Tanzania due to its hardiness, fast growth and tolerance to many environmental conditions. READ MORE

  3. 2. Ovary spheroid formation and quality assessment using two different protocols

    University essay from KTH/Proteinvetenskap

    Author : Nikki Wallius Hiltunen; [2023]
    Keywords : ovary; fertility; spheroid; Biosilk™; three-layer gradient system; äggstock; fertilitet; sfäroid; Biosilk™; trelagers gradientsystem;

    Abstract : Redan innan födseln fastställs kvinnors fertilitet, som karakteriseras av ett begränsat antal äggblåsor, så kallade folliklar. Beståndet av folliklar minskar naturligt med åldern, samtidigt som kvinnors fertilitet beror på deras steroid- och äggproduktion. READ MORE

  4. 3. Analyzing the impact of marine protected areas on coastal zones : A case-study of Addo Elephant National Park Marine Protected Area, South Africa

    University essay from Uppsala universitet/Institutionen för samhällsbyggnad och industriell teknik

    Author : Laura Elana Babette Obbink; [2023]
    Keywords : Marine Protected Areas; Sustainability; Coastal Zones; Biodiversity; Local Environmental Awareness; South Africa;

    Abstract : The ocean is, with its extraordinary ability to regulate the climate and absorb carbon dioxide, a vital ecosystem for all life on the planet. Moreover, the ocean is highly important for coastal communities as a source of income and nutrition, and as a consequence of increasing dependence it is becoming more significant to mitigate the effects of these anthropogenic activities on the ocean and its resources. READ MORE

  5. 4. A catch-22 scenario in the Swedish food system : –A scientific examination of cyprinid fishingand its management possibilities in Sweden

    University essay from SLU/Department of Molecular Sciences

    Author : Peter Andreas Van Berlekom; [2023]
    Keywords : Cyprinids; Swedish food supply chain; fisheries management; Complex Adaptive System CAS ;

    Abstract : Cyprinid fish like roach, bream and ide are natural resources in Sweden that were common and consumed in households up to the late 19th century. Due to societal changes during the industrialization cyprinids lost their domestic importance. Today we see an increasing demand for sustainable food sources. READ MORE

  6. 5. Change in uptake and transfer of zinc in the food chain when predatory fish disappear from the system

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Sara Westerström; [2023]
    Keywords : Aquatic food web; Food chain structure; Trophic transfer; Decline of top predators; Stage-structured biomass model; Pollutants; Heavy metals; Zinc; Akvatisk födoväv; Födovävsstruktur; Trofisk överföring; Minskning av toppredatorer; Stegstrukturerad biomassamodell; Föroreningar; Tungmetaller; Zink;

    Abstract : There is a widespread distribution of possibly toxic heavy metals, such as zinc, in aquatic ecosystems. Simultaneously aquatic food webs are changing due to declining predatory fish stocks. READ MORE