Science database

KNOWLEDGE BASE

We have gathered decades of scientific research from Great Britain, continental Europe and North America to share with people interested in diving deeper into the world of beavers.

This list of resources is being constantly amended and updated.

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Showing 525 articles

Fears from the past? The innate ability of dogs to detect predator scents

Published by: Animal Cognition

1st July 2020

In this study, untrained dogs were exposed to the scents of brown bears and lynx (predators) as well as beavers (non-predators) and water (a control). The dogs spent less time near predator scents and showed increased heart rates, indicating fear. This suggests that dogs instinctively react to predator odours.

A review of the influence of beaver Castor fiber on amphibian assemblages in the floodplains of European temperate streams and rivers

Published by: Herpetological Journal

1st July 2020

Beavers modify streams through dam building, burrowing, and tree felling. This review explored the impacts of such activity on the 19 amphibian species found in central and northern Europe. All are found in beaver ponds, making beaver ponds potentially one of the most important amphibian habitats in northern and central Europe. The article goes into much more detail, for example differentiating between their impact on big rivers versus small streams.

Analysis of changes in distribution of Eurasian beaver Castor fiber families based on evaluation of beaver activity signs in north-eastern Slovakia (2018/2019)

Published by: Roczniki Beiszczadzkie

30th June 2020

This article examines how beavers are distributed across a large area of eastern Slovakia, comparing observations (of features such as lodges, gnawed trees, and dams) across a period of 4 years. It estimates that around 34 beaver families are living in an area of 805 square kilometres, a signifcant increase during this period. The authors calculate a variety of quantitative metrics to describe the current population and distribution of beavers.

Beaver effects on macroinvertebrate assemblages in two streams with contrasting morphology

Published by: Science of the Total Environment

20th June 2020

This paper explored how the shape of the landscape influences beavers' impact on biodiversity and water quality. It compared two areas where beavers live in Switzerland: one a flat, open basin; the other a steeper, ravine-like basin. Both sites had some things in common (such as how the chemistry of the water evolved over the seasons) but also differed in many ways. The two sites, for example, supported different types of invertebrates, including insects. The impact of beavers, therefore, must take into account the nature of the surrounding landscape!

Dogs can scent-match individual Eurasian beavers from their anal gland secretion

Published by: Wildlife Biology

27th May 2020

This study tested if dogs could match individual Eurasian beavers using their anal gland secretions. Dogs successfully matched beavers with almost 90% accuracy, suggesting they can be a reliable alternative to DNA analysis and live trapping in monitoring beavers for conservation projects.

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