Essays about: "Northern pike"

Showing result 1 - 5 of 18 essays containing the words Northern pike.

  1. 1. 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. 2. Evaluation of filter and extraction kits for eDNA-based quantification of Northern pike density

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Ofir Svensson; [2021]
    Keywords : Blood and Tissue; Chelex 100; cellulose nitrate membrane filter; COI; extraction kit; filter; glass microfiber filter; pike; PowerWater; quantitative eDNA;

    Abstract : Multi-mesh gillnets are the most common gear in Swedish fish monitoring programs. The method works for many fish species but has limitations. READ MORE

  4. 3. Development of northern pike (Esox lucius) populations in the Baltic Sea, and potential effects of grey seal (Halichoerus grypus) predation

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Rebecka Svensson; [2021]
    Keywords : diet analysis; ; marine mammals; predator-prey; socio-economic; sport fishing; recreational fisheries;

    Abstract : Worldwide, marine mammal populations are increasing after considerable efforts to turn the downward trends caused by hunting, accidental mortality and pollution. The ecosystem effects from the increases of these top predators may be pronounced, but are in most cases poorly known. READ MORE

  5. 4. Beteendeeffekter av antidepressivt läkemedel på abborre (Perca fluviatilis) : socialt och aktivt beteende undersökts genom att kombinera behandlingar med oxazepam, temperatur och predationstryck

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

    Author : Oskar Karlsson; Svante Knutsen; [2020]
    Keywords : antidepressiva läkemedel; oxazepam; abborre;

    Abstract : Användandet av antidepressiva och ångestdämpande läkemedel, som ex. oxazepam, ökar i samhället vilket kan leda till höga halter i våra vattendrag. Tidigare studier har visat att abborrar som blir utsatta för miljörelevanta koncentrationer av oxazepam ändrar sitt beteende. READ MORE

  6. 5. Understanding the Northern pike (Esox lucius) through accelerometer, is it possible?

    University essay from Linnéuniversitetet/Institutionen för biologi och miljö (BOM)

    Author : Oskar Andersson; [2020]
    Keywords : ;

    Abstract : Accelerometer biologgers är ett verktyg för att identifiera beteenden hos djur. För att kunna använda accelerometern effektivt är det viktigt att träna en maskin–inlärning algoritm för att kunna identifiera olika beteenden utifrån accelerations data. READ MORE