Essays about: "Perch"

Showing result 1 - 5 of 47 essays containing the word Perch.

  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. Human Exposure to Per- and Polyfluoroalkyl : Substances through Fish Consumption

    University essay from Örebro universitet/Institutionen för naturvetenskap och teknik

    Author : Welmoed Nauta; [2023]
    Keywords : Per- and polyfluoroalkyl substances; Human exposure; Fish consumption; Glasbruket; Target analysis; Mass balance analysis;

    Abstract : Human exposure to per- and poly-fluoroalkyl substances (PFAS) occurs mainly through two pathways, inhalation and ingestion. Dietary exposure to persistent organic pollutants (POPs), including PFAS, is driven mainly by the consumption of foods of marine or terrestrial animal origin. READ MORE

  3. 3. Aquaculture and its effect on the wild fish resource in a Swedish lake : An evaluation of changes in fat content, protein content and trophic niche

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

    Author : Emmy Nyberg; [2022]
    Keywords : Aquaculture; wild fish; fat content; protein content; stable isotopes;

    Abstract : Fish is nutritious and important as a food source for many people. It contains high levels of protein, important omega-3 fatty acids as well as micronutrients. For a sustainable fish consumption, aquaculture is needed but it can affect nearby ecosystems in many ways. READ MORE

  4. 4. Recognizing cultural value infood : Case study of Pike-Perch in Hjälmaren & Mälaren,Sweden

    University essay from Uppsala universitet/Industriell teknik

    Author : Michaela Saax; [2021]
    Keywords : Cultural Value; Sustainable Destination Development; Pike-Perch; Food Tourism; Brand Identitity;

    Abstract :  Food culture emerges as a social culture and can be summarized through its historicaldevelopment process. The exploration of socio-cultural analysis of food with sociologicalapproaches has emerged in research due to the increased awareness of modern societies’motivations to discover other cultures through food. READ MORE

  5. 5. Hydrological assessment and water management study in Norra Bunn With a focus on fish stock conservation

    University essay from Lunds universitet/Avdelningen för Teknisk vattenresurslära

    Author : Qianqian Li; [2021]
    Keywords : hydrological assessment; fish stocks conservation; Norra Bunn; water management; HYPE; Technology and Engineering;

    Abstract : Fokus för denna studie är att undersöka statusen för Norra Bunnsjön och de utmaningar den står inför idag med betoning på vattenresurshantering för ett bättre bevarande av fiskbestånden. För att uppnå målen genomfördes litteraturgranskningar, datainsamling från olika källor och vattenprovtagningar på plats. READ MORE