Essays about: "life-history traits"
Showing result 21 - 23 of 23 essays containing the words life-history traits.
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21. Which is the costlier sex? : Sexual dimorphism and resource allocation in a dioecious herb, Silene dioica
University essay from Institutionen för ekologi, miljö och geovetenskapAbstract : Life-history theory proposes that different activities, such as growth, maintenance and reproduction compete for limited resources and therefore, life-history traits are bound together by physiological trade-offs. In dioecious species, females are assumed to invest a higher amount of resources in reproduction in comparison with males and this higher investment in reproduction is then assumed to have numerous consequences for the expression of other life-history traits. READ MORE
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22. Habitat preference and dispersal of a sandassociated beetle, Apalus bimaculatus
University essay from SLU/Dept. of EcologyAbstract : Species that have a high degree of specialization and poor dispersal ability can be more prone to extinction than more generalist species and good dispersers. How these species traits affect the viability of populations is dependent on landscape factors,such as isolation and connectivity. Additionally, interactions between species (e.g. READ MORE
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23. Life history and large-scale habitat use of brown trout (Salmo trutta) and brook trout (Salvelinus fontinalis) : implications for distributional patterns in small lotic systems
University essay from SLU/Dept. Of Aquatic ResourcesAbstract : Over the years, several salmonid species have been widely spread and successfully introduced all over the world. In Sweden, introduced brook trout (Salvelinus fontinalis) has been successful in establishing a substantial number of new populations, a fact that has raised concerns about indigenous brown trout (Salmo trutta) populations being outcompeted. READ MORE
