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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 ...
(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 ...
(Master thesis / Hovedoppgave, 2005)
Ulvens (Canis lupus) områdebruk, døgnrytme og bevegelsesmønster i forhold til menneskelig aktivitet og infrastruktur ble studert i Østfold fylke, 3-6 mil sør for Oslo. Studieområdet er et skog- og jordbruksområde med en ...
(Master thesis / Hovedoppgave, 2007)
Data from questionnaires filled out by 336 students during a nine day period in January and February 1999 at the University of Oslo, Norway was analyzed to find patterns in gift-giving behavior corresponding to predicted ...
(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 ...
(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 ...
(Master thesis / Hovedoppgave, 2005)
Abstract
Patterns in time series are observational records of past ecological processes, and identifying these processes remains a major challenge to population ecologists. Until recently, analysis of time series has ...
(Master thesis / Hovedoppgave, 2007)
ABSTRACT
Small, isolated and fragmented bird populations are more vulnerable to extinction and studies have shown that they can have a high proportion of unpaired males. Female-biased natal dispersal could be an explanation ...
(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 ...