Blar i USN Open Archive på emneord "beavers"
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Deadwood in beaver (Castor fiber) habitat – a study with focus on polypore fungi and saproxylic insects
(Master thesis, 2020)Deadwood is known as a diversity indicator in a forest, where 20-25 % of all forest species in the Nordic countries are dependent on deadwood. 10.7 % of the saproxylic beetles in Europe and 37 % of the polypore fungi in ... -
Echinococcus multilocularis Detection in Live Eurasian Beavers (Castor fiber) Using a Combination of Laparoscopy and Abdominal Ultrasound under Field Conditions
(Journal article; Peer reviewed, 2015-07-15)Echinococcus multilocularis is an important pathogenic zoonotic parasite of health concern, though absent in the United Kingdom. Eurasian beavers (Castor fiber) may act as a rare intermediate host, and so unscreened wild ... -
GPS-aided mapping of Eurasian beaver (Castor fiber) territories in southern Norway
(Master thesis, 2014)In this study I use GPS technology for the first time on the monogamous semi-aquatic Eurasian Beaver (Castor fiber). I tested the hypothesis that GPS technology can be used in the riparian environment. Further I tested the ... -
Pair movement of a monogamous mammal, the Eurasian beaver
(Master thesis, 2019)Studying the cohesion of monogamous pairs is an important component in understanding their social relationships. I used the Eurasian beaver (Castor fiber) to investigate how movement patterns and space use relate to their ... -
Review of microsatellites in ecology and parentage analysis of Norwegian beavers (Castor fiber) based on cross-specific microsatellites
(Master thesis, 2009)The Eurasian Beaver (Castor fiber) in Scandinavia was once close to extinction due to a bottleneck resulting from vigorous overhunting in the middle of the 19th century. After measures of protection, the population number ... -
Selection of aquatic vegetation in river habitats by Eurasian beaver (Castor fiber) in South-Eastern Norway
(Master thesis, 2020)Habitat selection in animals is evident when the choosing of habitat is disproportionate to its availability, usually when habitat characteristics differ in quantity and quality. A very important factor of their use is the ... -
Sex discrimination via anal gland secretion in a territorial monogamous mammal
(Journal article; Peer reviewed, 2014-07-12)Monogamy in mammals is relatively unusual, only occurring in 3-5% and to an even lesser degree in rodents. Monogamy exists in two forms, facultative which evolved due to female dispersion and obligate when male care is ... -
Short-term effects of bio-logging on body mass and growth of a semi-aquatic mammal, the Eurasian beaver (Castor fiber)
(Master thesis, 2020)Bio-logging is a popular method to collect scientific data in the field of animal ecology. The presumption is that bio-logging should allow the study of animals with only minor disturbance to their natural behaviour and ... -
Socio-ecological features other than sex affect habitat selection in the socially obligate monogamous Eurasian beaver
(Journal article; Peer reviewed, 2015-08-11)Habitat selection is a context-dependent mechanism, in which both the internal state as well as external factors affect the behavior and decisions of an individual. This is well known for polygamous mammals, which are ... -
The importance of vegetation availability in three scales on body condition, reproduction and territory size of the Eurasian beaver
(Master thesis, 2019)Availability of food resources can affect body condition and reproduction in animal populations as low food availability can lead to decreasing body condition and constrain reproduction. At the same time, spatial distribution ... -
The Use of Acceleration to Code for Animal Behaviours; A Case Study in Free-Ranging Eurasian Beavers Castor fiber
(Journal article; Peer reviewed, 2015-08-28)Recent technological innovations have led to the development of miniature, accelerometercontaining electronic loggers which can be attached to free-living animals. Accelerometers provide information on both body posture ...