Essays about: "Fisk"

Showing result 1 - 5 of 166 essays containing the word Fisk.

  1. 1. Ecological impacts of dam removal in Swedish inland waters : Effects on water chemistry and fish demography

    University essay from Karlstads universitet/Fakulteten för hälsa, natur- och teknikvetenskap (from 2013)

    Author : Johanna Ekman; [2023]
    Keywords : biology; ecology; dam removal; Sweden; impact; inland waters; ecosystem; water chemistry; fish demography; Perca fluviatilis; European perch; biologi; ekologi; dammutrivning; Sverige; påverkan; inlandsvatten; ekosystem; vattenkemi; fiskdemografi; Perca fluviatilis; abborre;

    Abstract : Dams play an important role in our society, but their negative impacts on aquatic ecosystems have led to a need for conservation efforts to mitigate the negative effects. In some instances, dam removal has been suggested to be the most economically and ecologically beneficial restoration method to improve longitudinal connectivity. READ MORE

  2. 2. Optimal Discharge from a Hydropower Plant for Fish Reproduction: An Aquatic Habitat Model

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Hugo Lindbäck; [2023]
    Keywords : Weighted Usable Area WUA ; minimitappning; HEC-RAS; salmo; Helge å; den nationella planen för omprövning av vattenkraft NAP ; Technology and Engineering;

    Abstract : Hydropower is the dominant source of electricity in Sweden, constituting 45% of the national supply. While pivotal for decarbonization and climate goals, its environmental impact on freshwater biodiversity is concerning. READ MORE

  3. 3. Fish Friendly Turbines forDownstream Migration : Literature review and case studies

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Signe Rosenblad; [2023]
    Keywords : Downstream passage solutions; downstream migration of fish; small-scale hydropower; eel; trout; Nedströms passagelösningar; nedströms vandring av fisk; småskalig vattenkraft; ål; öring;

    Abstract : As the energy consumption is constantly increasing, the demand of renewable energy is increasing too. Thirtythree percent of the renewable energy production in Europe constitutes of hydropower. Hydropower is animportant energy source as it has stabilizing and storing functions, but it heavily affects biodiversity. READ MORE

  4. 4. From Ocean to Table: Microplastic contamination in Nordic salts

    University essay from Lunds universitet/Centrum för miljö- och klimatvetenskap (CEC)

    Author : Anna Nyika; [2023]
    Keywords : Microplastic MP ; MP pollution; plastic pollution; sea salt; rock salt; Nordics; Iceland; Denmark; plastic waste management; human health; marine environment.; Earth and Environmental Sciences;

    Abstract : Large amounts of plastic in the oceans originate from mismanaged plastic waste, and microplastics (MPs) are the most common type of waste. They can be found in household products, such as sea salts. Therefore, monitoring pollution levels is essential to improve marine health and food safety. READ MORE

  5. 5. Stress vid bedövning av öring (Salmo trutta)

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Ella Andersson; [2023]
    Keywords : fisk; stress; bedövning; kortisol; öring;

    Abstract : Vattenbruk är i Sverige en allt växande marknad med stor potential, både för att bevara sårbara fiskpopulationer och för att producera hållbara animaliska livsmedel. I takt med att fler fiskar odlas för forskning, konsumtion och utsättning ökar behovet av bra och etisk djurhållning. READ MORE