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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The demographic response of bank-dwelling beavers to flow regulation: A comparison on the Green and Yampa rivers

Published by: Canadian Journal of Zoology

1st January 2001

In this study, researchers explored how man-made dams, which regulate the flow of a river, affect beaver populations. To do so, they compared two rivers - one free-flowing, and the other regulated. They found that, in this case, beavers benefitted from flow regulation. The regulated river had more islands which allowed the river to support willow trees for beavers to eat. The beavers on the regulated river lived at a higher population density and had larger body sizes.

Dispersal pattern and effective population size of the beaver

Published by: Canadian Journal of Zoology

1st April 2000

Over 12 years, researchers studied beaver dispersal in the USA. Most beavers (74%) dispersed downstream after the ice melted. Females traveled farther from the colonies where they were born than males, with many males choosing to settle at the next available site. Most of the beavers leaving the place where they were born were 2 years old.

Beaver Protection, Management, and Utilization in Europe and North America

Published by: Springer

30th June 1999

This book - the product of a beaver conference in Spain - contains 17 chapters. Overall, the book talks about different aspects of beavers' protection, distribution, and management (as it stood around the turn of the millenium), with groups of chapters on the Eurasian beaver and the North American beaver. It explores themes such as beaver behaviour, foraging, and population dynamics. On the conservation side, there are chapters describing the context of beaver management in different countries as well as how beavers can be allies in broader ecological restoration efforts. Please note, this resource is not open-access.

The History of British Mammals

Published by: T & AD Poyser Ltd

1st March 1999

This book recounts the history of British mammals from the end of the ice age, 15,000 years ago, to the present day. Drawing on scientific and archaeological evidence, the book describes how Britain has lost many large mammals (including the beaver) and has slowly replaced them with domestic animals - this includes an analysis of how beavers can still be seen in some British place names. The text also discusses whether intervention is needed to restore ecological balance. Please note, this resource is not open-access.

Importance of Runoff and Winter Anoxia to the P and N Dynamics of a Beaver Pond

Published by: Canadian Journal of Fisheries and Aquatic Sciences

1st October 1993

In this study, scientists looked at the retention and flow of phosphorus and nitrogen in the water of a beaver pond in the USA. The trends were different for different nutrients and varied by season; the presence of winter ice cover, for example, influenced nutrient processing and retention. Much of the nutrients were stored in the sediments of the pond. Please note, this resource is not open-access.

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