Essays about: "pit-tag"

Showing result 1 - 5 of 7 essays containing the word pit-tag.

  1. 1. Stress och beteende vid bedövning av öring

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Victoria Welander; [2022]
    Keywords : stress; bedövning; öring;

    Abstract : I samband med att fiskar har blivit allt vanligare inom områden som forskning, odling och miljöövervakning har behovet av att säkerställa god djuromsorg blivit mer uppmärksammat. För att minska fiskens stress och underlätta den fysiska hanteringen brukar bedövningsmedel användas i många sammanhang. READ MORE

  3. 2. Aspects of erosion of restored trout spawning beds in two streams in Northern Sweden

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

    Author : Frida Michelle Granlund; [2021]
    Keywords : in-stream restoration; reproductive habitat; salmonids; passive integrated transponders tags PIT-tags ;

    Abstract : Many rivers and streams in northern Sweden have been channelized due to timber floating. This has severely degraded the spawning habitats for salmon and trout, and therefore a common action when restoring channelized rivers is to establish new spawning beds by adding gravel to the streambed. READ MORE

  4. 3. Phenotypic correlates of spawning migration behaviour for roach (Rutilus rutilus) and ide (Leuciscus idus) in the stream Oknebäcken, Sweden.

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

    Author : Emma Lindbladh; Johanna Eriksson; [2020]
    Keywords : Anadromous; cyprinids; diadromous; fish migration; ide; leuciscus idus; migration barriers; PIT-tag; roach; rutilus rutilus; sex ratio; spawning migration; Sweden;

    Abstract : Migration occurs among many animal species for the purpose of, among other things, finding food or to reproduce. Spawning migration is a form of migration that occurs among many fish species where they move to another site for reproduction. The movement can be obstructed by migration barriers like road culverts. READ MORE

  5. 4. Effect of sensory enrichments on the behaviour of captive Northern lynx (Lynx lynx lynx) and assessment of automated behaviour monitoring technologies

    University essay from Linköpings universitet/Biologi

    Author : Uranie JEAN-LOUIS; [2019]
    Keywords : Automatic monitoring; Environmental enrichment; Northern Lynx; Pacing; Odour; Sound;

    Abstract : Captive environments like zoo exhibits offer limited space, lacking many of the environmental stimuli that are present in the wild. This may reduce animal welfare and potentially lead to the development of stereotypic behaviour like pacing. Environmental enrichment is used to prevent and reduce pacing and enhance animal well-being. READ MORE

  6. 5. Intra and interhabitat migration in junvenile brown trout and Atlantic salmon in restored tributaries of the Vindelriver

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

    Author : Matti Erikoinen; [2016]
    Keywords : migration; movement; temperature; pit-tag; electrofishing;

    Abstract : Several techniques are used to sample juvenile salmonids in lotic environments. Electrofishing is by far the most commonly used method on the Scandinavian peninsula. READ MORE