Sökning: "Eurasian otter"

Hittade 4 uppsatser innehållade orden Eurasian otter.

  1. 1. Temporal trends of Polybrominated diphenyl ethers (PBDE) and Hexabromocyclododecane (HBCDD) in Swedish Otter (Lutra lutra) and Grey Seals (Halichoerus grypus)

    Magister-uppsats, Lunds universitet/Centrum för miljö- och klimatvetenskap (CEC)

    Författare :Kajsa Frost; [2023]
    Nyckelord :Polybrominated diphenyl ether; PBDE; BDE; hexabromocyclododecane; HBCDD; Temporal trends; Flame retardants; Baltic grey seal; Halichoerus grypus; Eurasian otter; Lutra lutra; Intestinal ulcers; BDE-47; BDE-99; BDE-100; BDE-153; BDE-154; Earth and Environmental Sciences;

    Sammanfattning : Polybrominated diphenyl ethers (PBDE) and hexabromocyclododecane (HBCDD) are brominated flame retardants. These compounds are lipophilic, persistent and have been shown to bioaccumulate. LÄS MER

  3. 2. Möjliga effekter av broar och vattenfall på uttrars rörlighet i Fyrisån

    Kandidat-uppsats, SLU/Dept. of Ecology

    Författare :Kristin Beecken; [2019]
    Nyckelord :utter; infrastruktur; broar; Fyrisån; barriärer;

    Sammanfattning : Uttern (lutra lutra) klassas idag som nära hotad och antalet individer i Sverige har minskat enda sen 1950-talet. Ett av hoten mot arten är trafiken och man har sett en ökning i trafikdödligheten under flera decennier. LÄS MER

  4. 3. The LIFE GoodStream project in Trönninge:current and expected effects on amphibianpopulations and otter presence : in collaboration with LIFE GoodStream andHushållningssällskapet in Halland

    Kandidat-uppsats, Högskolan i Halmstad/Akademin för ekonomi, teknik och naturvetenskap

    Författare :Sofia Hedman; Karin Jermer; [2019]
    Nyckelord :;

    Sammanfattning : LIFE GoodStream is an EU-financed conservation project, which strives to improve the ecologicalstatus of a stream in the agricultural landscape of Halland County, Sweden. Since 2015, the project hasconstructed amphibian ponds, restored wetlands, removed dispersal barriers and worked to return theTrönninge stream (Trönningeån) to more natural conditions. LÄS MER

  5. 4. A genetic approach to identify raccoon dog within a large native meso-carnivore community

    Master-uppsats, SLU/Dept. of Wildlife, Fish and Environmental Studies

    Författare :Dan Wang; [2011]
    Nyckelord :raccoon dog; Nyctereutes procyonoides; PCR; carnivore; species specific primer;

    Sammanfattning : Introduced species often brings unforeseen and/or severe ecological impacts to ecosystem. These may be serving as vectors of disease, causing economic loss, ecosystem effects, reduction of biodiversity and interaction between species (e.g. predation, competition and introgression). LÄS MER