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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Alteration of hydrogeomorphic processes by invasive beavers in southern South America

Published by: Science of the Total Environment

1st January 2017

The North American beaver was introduced to southern Patagonia in 1946. This study looks at their impact in Argentina. Beavers here had built dams with local trees and sediment, damaged local peatland ecosystems, and enabled invasive species. The impact on peatlands, in particular, was new to research at this time - restoration plans should be aware of all of these impacts. Please note, this resource is not open-access.

Leptin plasma concentrations, leptin gene expression and protein localisation in the hypothalamic-pituitary-gonadal/adrenal axes of the European beaver (Castor fiber)

Published by: Theriogenology

1st January 2017

This study examined how the production of the hormone leptin in Eurasian beavers varied by sex and by time of year. The results showed that leptin was found in each of the beaver tissues tested, with patterns of leptin production across the reproductive cycle varying by sex. This indicated that leptin has a role in controlling breeding hormones at different stages of the reproductive cycle for beavers. Please note, this resource is not open-access.

Orexin receptor expression in the hypothalamic-pituitary-adrenal and hypothalamic-pituitary-gonadal axes of free-living European beavers (Castor fiber L.) in different periods of the reproductive cycle

Published by: General and Comparative Endocrinology

1st January 2017

In this paper, scientists tested how much a tiny messenger molecule called orexin was produced in Eurasian beavers at different reproductive stages and for different sexes. Receptors for this messenger molecule were found in lots of different beaver organs and varied across the seasons, especially in two organs: the hypothalamus and gonads. These findings suggest that orexins may play a role in regulating reproductive activity in beavers. Please note, this resource is not open-access.

Patterns of population dynamics of Eurasian beaver (Castor fiber L.) after reintroduction into nature reserves of the European part of Russia

Published by: Russian Journal of Biological Invasions

28th December 2016

This paper examined how Eurasian beaver populations in six nature reserves in European Russia fluctuated over time. By modelling the interaction between beavers and their food sources, four population patterns were identified. The paper explains each pattern and describes the influence of different environmental factors. Please note, this resource is not open-access.

Mobility of settlements and elements of the biological signaling field of Beavers (Castor fiber) in the basin of the Tadenka River (Prioksko-Terrasny Nature Reserve)

Published by: Biology Bulletin

1st December 2016

Researchers followed Eurasian beavers in Russia over 6 years to better understand beaver territories and how these relate to beaver signs. Signs of beavers can be long-lived (like the dams) or short-lived (like scent marks) - overall, ecologicsts call this the beavers' signalling field. The results showed that a high signalling field density indicated depleted food resources for the beaver. Beavers can quickly move into areas lacking these signals, expanding their range in the process. Please note, this resource is not open-access.

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