Essays about: "Phoca"

Showing result 1 - 5 of 10 essays containing the word Phoca.

  1. 1. Influenza A in Swedish harbour seals (Phoca vitulina) : a serological study

    University essay from SLU/Dept. of Biomedical Sciences and Veterinary Public Health

    Author : Johanna Johnsson; [2022]
    Keywords : IAV; influenza A; harbour seals; H10N7; marine mammals; Phoca vitulina; serology; Sweden; virus;

    Abstract : Evidence of infection with influenza A has been documented in several different marine mammals. However, large outbreaks with mass mortalities have only been seen in harbour seals. In 2014, the first outbreak with influenza A virus (IAV) in harbour seals in Europe was reported. READ MORE

  3. 2. Användning av åtelkameror för att uppskatta antalet sälar i fjordarna innanför Orust : en metodutvärdering

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Daniel Carlsson; [2019]
    Keywords : knubbsäl; Phoca Vitulina; 8-fjordar; EBFM; åtelkamera; time-lapse;

    Abstract : I slutet av 1980-talet blev många fiskbestånd på svenska västkusten överfiskade vilket bl.a. resulterade i en minskning av kustnära bestånd av olika torskfiskarter. READ MORE

  4. 3. Analysing the seal-fishery conflict in the Baltic Sea and exploring new ways of looking at marine mammal movement data

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

    Author : Ornella Jogi; [2017]
    Keywords : Halichoerus grypus; Phoca hispida botnica; seal-fishery conflict; human-wildlife conflict; integrated step selection analysis;

    Abstract : A comprehensive analysis of the available data reveals that there is currently not enough information for making informed management decisions regarding the seal-fishery conflict in the Baltic Sea. Knowledge of hidden and visual damages is limited, which means that the actual cost to the fishing industry from damages is not known. READ MORE

  5. 4. Method Development for Quantification of Different Persistent Organic Pollutants in Ringed Seal (Phoca hispida) from the Baltic Sea

    University essay from Örebro universitet/Institutionen för naturvetenskap och teknik

    Author : Amelie Nordström; [2016]
    Keywords : Ringed seal; Baltic Sea; Persistent Organic Pollutants; Sample pre-treatment;

    Abstract : Persistent organic pollutants such as polychlorinated biphenyls (PCBs), DDT and polybrominated diphenyl ethers (PBDEs) tend to accumulate in biota and are transferred through the aquatic food web, which result in a high accumulation in marine mammals. In recent years various novel flame retardants (nBFRs), which have replaced the banned PBDEs, have also started to occur in the environment. READ MORE

  6. 5. Hälsotillståndet hos sälar i Östersjön

    University essay from SLU/Dept. of Biomedical Sciences and Veterinary Public Health

    Author : Hanna Lundén; [2012]
    Keywords : gråsäl; Halichoerus grypus; vikare; Phoca hispida botnica; Östersjön; patologi; marina miljöföroreningar;

    Abstract : Sälpopulationerna i Östersjön består av tre arter: gråsäl, vikare och knubbsäl. Sälarna befinner sig som rovdjur högst upp i näringskedjan och livnär sig till största delen på fisk. Detta gör att de i hög grad utsätts för de miljögifter som finns både i vattnet och i fisken. READ MORE