Essays about: "grey seals"

Showing result 1 - 5 of 11 essays containing the words grey seals.

  1. 1. Röekillorna unsealed – an osteological analysis of the seal remains at Röekillorna Spring

    University essay from Lunds universitet/Historisk osteologi

    Author : Tea Jahrehorn Önnerfors; [2023]
    Keywords : zooarchaeology; osteological research; offerings-and burial; pinnipedia; grey seals; Neolithic; Iron Age; wetlands; pre-historical Scania; Baltic Sea; Röekillorna Spring; History and Archaeology;

    Abstract : Zooarchaeological studies have played a crucial role in understanding the pre-historic societies of Scania. The analysis of animal remains from archaeological sites has provided insights into the subsistence strategies, economic practices, and cultural beliefs of the people who lived in the region. READ MORE

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

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

    Author : Kajsa Frost; [2023]
    Keywords : 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;

    Abstract : Polybrominated diphenyl ethers (PBDE) and hexabromocyclododecane (HBCDD) are brominated flame retardants. These compounds are lipophilic, persistent and have been shown to bioaccumulate. 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. Finns det en effekt av miljögifter på thyroidea hos svenska gråsälar?

    University essay from SLU/Dept. of Clinical Sciences

    Author : Linnea Östermark; [2020]
    Keywords : säl; thyroidea; miljögifter;

    Abstract : .... READ MORE

  6. 5. Can tourism Seal the deal? : an explorative study on Seal tourism in Sweden

    University essay from SLU/Dept. of Economics

    Author : Ebba Alteg; [2019]
    Keywords : benefits; seals; survey; wildlife tourism; wildlife management;

    Abstract : The increased seal populations in the Swedish coastal areas have resulted in increased damages for fishing companies with associated costs. The negative aspect of seals has been quantified (costs for small-scale fishers) but both negative and positive aspects of natural resources must be considered for politicians to make efficient policy decisions. READ MORE