Browsing Zoologi by Title
Now showing items 9-17 of 17
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(Master thesis / Hovedoppgave, 2004)Recent advances in molecular genetic techniques have made it possible to genotype DNA extracts from non-invasive samples such as hair, faeces, and urine. Subsequent identification of individuals from such material has ...
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(Master thesis / Masteroppgave, 2007)According to the differential allocation hypothesis, an individual will invest more in an offspring when mated to a high than low qality mate. The blue/green eggshell coluration of pied flycatcher (Ficedula hypoleuca), has ...
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(Master thesis / Hovedoppgave, 2004)Abstract Anti-predation behaviour in many rodents has mainly been studied under laboratory conditions, and less in naturally conditions in the field. Here we studied the results of an experiment specifically designed for ...
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(Master thesis / Hovedoppgave, 2007)Freshwater sculpins and salmonids coexist in many streams throughout the Northern hemisphere, and often constitute an important component of stream ecosystems. Alpine bullhead Cottus poecilopus Heckel have been known to ...
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(Master thesis / Masteroppgave, 2006)Altricial nestlings hatch at an early stage of development, and depend on their parents to feed them. The quality of the parental care is of great significance to the nestlings fitness and future survival. In the early ...
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Parental care in relation to paternity in the reed bunting (Emberiza schoeniclus)Restricted Access (Master thesis / Hovedoppgave, 2007)This study describes the male and female role in parental care in a Norwegian population of reed buntings (Emberiza schoeniclus). The population has an extensive level of extra-pair young (EPY), with 30% of the offspring ...
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(Master thesis / Hovedoppgave, 2006)The Red Queen hypothesis states that biological entities rather than abiotic factors constitute the larger part of the selective environment experienced by individual organisms, and that species as a consequence undergo ...
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(Master thesis / Hovedoppgave, 2005)
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(Master thesis / Hovedoppgave, 2007)I dette studiet har jeg undersøkt i hvilken grad lengdefordelingen for 0+ ørret Salmo trutta ved vekstsesongens slutt kan forklares med variasjon i tetthet ( 0+, eller eldre ørret) og ulike miljøvariabler som varierer ...