Sökning: "sexual maturity"

Visar resultat 1 - 5 av 14 avhandlingar innehållade orden sexual maturity.

  1. 1. Sexual health and sexual health promotion in the transition from adolesence to emerging adulthood

    Författare :Brian Unis; Jan Nilsson; Kaisa Bjuresäter; Charlotta Löfgren-Mårtensson; Karlstads universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; adolescents; sexuality; sexual health; sexual health promotion; transition; Nursing Science; Omvårdnad;

    Sammanfattning : Aim: This thesis aims to explore the transition from adolescence to emerging adulthood, related to adolescents’ sexual behavior, conceptions concerning sex, sexual relationships and sex education, their need for knowledge and support related to sexuality. A further aim was to explore professionals’ views on promotion of sexual health, and interprofessional collaboration in relation to adolescents’ sexual health. LÄS MER

  3. 2. Migratory behaviour of Baltic salmon (Salmo salar L.) : adaptive significance of annual cycles

    Författare :Torleif Eriksson; Lars-Ove Eriksson; Kees Groot; Umeå universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Migratory behaviour; annual cycles; Baltic salmon; Salmo salar; annual time program; swimming behaviour; mortality; maturity; life history;

    Sammanfattning : This thesis evaluates the adaptive significance of annual cycles on the migratory behaviour of Baltic salmon (Salmo salar L.). The studies have included field experiments as well as laboratory studies gf maturity and migratory behaviour patterns of smolts and postsmolts mainly from the Angerman river population. LÄS MER

  4. 3. Fisheries biology of the edible crab (Cancer pagurus) in the Kattegat and the Skagerrak - implications for sustainable management

    Författare :Anette Ungfors; Göteborgs universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Cancer pagurus; Swedish west coast; sexual maturity; migration; population genetics; stock structure; fishing mortality; stock abundance; management;

    Sammanfattning : The European edible crab (Cancer pagurus) is exploited to a varying degree in its area of distribution. Landings in United Kingdom and Ireland may have peaked around year 2000, reaching 25 000 and 13 000 tonnes, respectively but have slightly decreased since. LÄS MER

  5. 4. Influence of Mate Quality on Reproductive Decisions in a Fish with Paternal Care

    Författare :Niclas Kolm; Anders Berglund; Ben Sheldon; Kai Lindström; Uppsala universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Ecology; sexual selection; differential allocation; evolution of egg size and parental care; Ekologi; Terrestrial; freshwater and marine ecology; Terrestisk; limnisk och marin ekologi;

    Sammanfattning : Female reproductive decisions have been suggested to be highly influenced by mate quality. I have studied whether offspring quality may be adjusted by females to match the attractiveness of males and how strong control females have over their reproductive investment focusing on egg size. LÄS MER

  7. 5. Validity and reliability of a submaximal cycle ergometer test for estimation of maximal oxygen uptake

    Författare :Frida Maria Eleonora Björkman; Örjan Ekblom; Tony Bohman; Åsa Tornberg; Gymnastik- och idrottshögskolan; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Medicin Teknik; Medicine Technology;

    Sammanfattning : Maximal oxygen uptake (VO2max) is the highest obtained rate of oxygen consumption during a physically intense dynamic whole-body activity. VO2max is an important factor for many types of physical performance, as well as a strong independent predictor of health and longevity. LÄS MER