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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Studies on muscular topography and meat properties of beavers (Castor canadensis) caught in Tierra del Fuego, Chile

Published by: Wiener Tierarztliche Monatsschrift

1st January 2005

In 1946, 25 pairs of Canadian beavers were introduced to Tierra del Fuego, Argentina. Their population grew and spread, damaging Chilean forests. Hunting them for fur and meat could help control their numbers. This study analysed the meat quality of Chilean beavers. Results showed that the beavers had an average weight of 14 kg. The muscle tissue was 76% moisture and 22% protein. Please note, this resource is not open-access.

The shifting habitat mosaic of river ecosystems

Published by: Internationale Vereinigung für Theoretische und Angewandte Limnologie: Verhandlungen

1st January 2005

The text explores how river ecosystems comprise ever-changing mosaics of habitat across the flood plain. The authors call this the 'shifting habitat mosaic.' Beaver dams are cited as one of the forces driving these ecosystems and their changes over time.

Trial re-introduction of European beaver to Knapdale: public health monitoring 2001–3

Published by: Scottish Natural Heritage

1st January 2005

This study presented an analysis of water quality around the site of the proposed beaver reintroduction in Knapdale, Argyll, Scotland. Water tests showed that two parasites of concern were occasionally present in the water of the Knapdale Forest, but not in drinking water. The broader water quality varied a lot. The authors suggest that, with proper quarantine and monitoring, beaver reintroduction does not pose a significant public health risk.

Sexual dimorphism in territorial scent marking by adult Eurasian beavers (Castor fiber)

Published by: Journal of Mammalogy

21st December 2004

Researchers studied beavers from three different habitat types to see if their castor sacs and anal glands - the organs used to produce scents - differ according to gender. Beavers use scent to mark their territory and males are more territorial than females. In this study, they found that male beavers have bigger anal glands but smaller castor sacs than females. This suggests that each gender uses scent differently.

Genetic Methods Improve Accuracy of Gender Determination in Beavers

Published by: Journal of Mammalogy

21st December 2004

Identifying whether a beaver is male or female can be hard because they lack external genitalia and look similar. Researchers used a genetic method on DNA smaples from 96 beavers and were able to accurately identify the beaver's gender 90% of the time. This method can be used alongside other existing methods to help identify beaver gender. This is important during re-introductions and to be able to understand beaver ecology more generally.

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