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The Beaver: Its Life and Impact

Dietland Muller-Schwarze

Published in print:
2011
Published Online:
August 2016
ISBN:
9780801450105
eISBN:
9780801460869
Item type:
book
Publisher:
Cornell University Press
DOI:
10.7591/cornell/9780801450105.001.0001
Subject:
Biology, Animal Behavior / Behavioral Ecology

Beavers can and do dramatically change the landscape. The beaver is a keystone species—their skills as foresters and engineers create and maintain ponds and wetlands that increase biodiversity, ... More


“Here before Christ”: Fur Trade, the “Beaver Republic” (Hudson’s Bay Company), and Fur Trapping Today

Dietland Müller-Schwarze

in The Beaver: Its Life and Impact

Published in print:
2011
Published Online:
August 2016
ISBN:
9780801450105
eISBN:
9780801460869
Item type:
chapter
Publisher:
Cornell University Press
DOI:
10.7591/cornell/9780801450105.003.0017
Subject:
Biology, Animal Behavior / Behavioral Ecology

This chapter examines the historical impact of fur trapping and fur trade on beaver populations. The beaver has lured fur trappers and traders more and more deeply into the northern wilderness from ... More


Living with Beavers: Conservation and Proactive Management

Dietland Müller-Schwarze

in The Beaver: Its Life and Impact

Published in print:
2011
Published Online:
August 2016
ISBN:
9780801450105
eISBN:
9780801460869
Item type:
chapter
Publisher:
Cornell University Press
DOI:
10.7591/cornell/9780801450105.003.0021
Subject:
Biology, Animal Behavior / Behavioral Ecology

This chapter focuses on beaver conservation and proactive management. Management of beaver populations is necessary. Where beavers are rare, reintroductions as well as the conservation of beavers and ... More


Highland Traders and Indian Hunters

Colin G. Calloway

in White People, Indians, and Highlanders: Tribal People and Colonial Encounters in Scotland and America

Published in print:
2008
Published Online:
September 2008
ISBN:
9780195340129
eISBN:
9780199867202
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/acprof:oso/9780195340129.003.0006
Subject:
History, American History: early to 18th Century

Scots were ubiquitous in the North American fur trade. From the deerskin trade of the Southeast to their domination of the North West and Hudson Bay Companies in the North, they came into close ... More


Effective Playability in Arithmetical Games

Kumaraswamy Velupillai

in Computable Economics: The Arne Ryde Memorial Lectures

Published in print:
2000
Published Online:
November 2003
ISBN:
9780198295273
eISBN:
9780191596988
Item type:
chapter
Publisher:
Oxford University Press
DOI:
10.1093/0198295278.003.0007
Subject:
Economics and Finance, Macro- and Monetary Economics

Class games, called Arithmetical Games, are defined and recursion theoretic questions such as effective playability, diophantine complexity, etc. are posed and formally answered. In the process, ... More


Beaver Time

Dietland Müller-Schwarze

in The Beaver: Its Life and Impact

Published in print:
2011
Published Online:
August 2016
ISBN:
9780801450105
eISBN:
9780801460869
Item type:
chapter
Publisher:
Cornell University Press
DOI:
10.7591/cornell/9780801450105.003.0008
Subject:
Biology, Animal Behavior / Behavioral Ecology

This chapter explains how beavers spend their time on a typical day. Three factors determine when a beaver is active and when it rests: exposure to the natural light cycle, air temperature, and ... More


Jailed

Gwen Terry

in Clark: The Autobiography of Clark Terry

Published in print:
2011
Published Online:
May 2012
ISBN:
9780520268463
eISBN:
9780520949782
Item type:
chapter
Publisher:
University of California Press
DOI:
10.1525/california/9780520268463.003.0012
Subject:
Music, History, American

The attacking of the Pearl Harbor by the Japanese resulted in a war and unrest. It was this time that Clark Terry decided to go back to St. Louis. To earn some money, he took a gig at the Southern ... More


Population Densities and Dynamics

Dietland Müller-Schwarze

in The Beaver: Its Life and Impact

Published in print:
2011
Published Online:
August 2016
ISBN:
9780801450105
eISBN:
9780801460869
Item type:
chapter
Publisher:
Cornell University Press
DOI:
10.7591/cornell/9780801450105.003.0011
Subject:
Biology, Animal Behavior / Behavioral Ecology

This chapter provides an overview of beaver population densities and population dynamics. Beavers hold territories that contain essential food and water resources, thus limiting their population ... More


Mortality and Predators

Dietland Müller-Schwarze

in The Beaver: Its Life and Impact

Published in print:
2011
Published Online:
August 2016
ISBN:
9780801450105
eISBN:
9780801460869
Item type:
chapter
Publisher:
Cornell University Press
DOI:
10.7591/cornell/9780801450105.003.0014
Subject:
Biology, Animal Behavior / Behavioral Ecology

This chapter provides an overview of beaver mortality caused by predation. Without mortality at young stages, beaver populations would grow rapidly to enormous numbers. During the first six months of ... More


Parasites and Diseases

Dietland Müller-Schwarze

in The Beaver: Its Life and Impact

Published in print:
2011
Published Online:
August 2016
ISBN:
9780801450105
eISBN:
9780801460869
Item type:
chapter
Publisher:
Cornell University Press
DOI:
10.7591/cornell/9780801450105.003.0015
Subject:
Biology, Animal Behavior / Behavioral Ecology

This chapter provides an overview of parasites and diseases that affect beaver populations. Two human diseases linked to endoparasites of beavers are tularemia and Giardiasis. In addition to such ... More


Reintroductions and Other Transplants

Dietland Müller-Schwarze

in The Beaver: Its Life and Impact

Published in print:
2011
Published Online:
August 2016
ISBN:
9780801450105
eISBN:
9780801460869
Item type:
chapter
Publisher:
Cornell University Press
DOI:
10.7591/cornell/9780801450105.003.0018
Subject:
Biology, Animal Behavior / Behavioral Ecology

This chapter focuses on beaver reintroductions and other transplants. Both the Eurasian and North American beavers have been transplanted many times and in many parts of the world in order to ... More


“Nuisance Beavers” Claim Their Land

Dietland Müller-Schwarze

in The Beaver: Its Life and Impact

Published in print:
2011
Published Online:
August 2016
ISBN:
9780801450105
eISBN:
9780801460869
Item type:
chapter
Publisher:
Cornell University Press
DOI:
10.7591/cornell/9780801450105.003.0019
Subject:
Biology, Animal Behavior / Behavioral Ecology

This chapter examines the impact of the so-called “nuisance beavers” on the landscape. It argues that “nuisance beaver” is a misnomer, since damage to crops, tree plantations, roads, water supplies, ... More


Now and Then: The Species, Including Fossils

Dietland Müller-Schwarze

in The Beaver: Its Life and Impact

Published in print:
2011
Published Online:
August 2016
ISBN:
9780801450105
eISBN:
9780801460869
Item type:
chapter
Publisher:
Cornell University Press
DOI:
10.7591/cornell/9780801450105.003.0001
Subject:
Biology, Animal Behavior / Behavioral Ecology

This chapter provides an overview of the evolution of the beaver as a single organism. The beaver is the second largest rodent after the South American capybara. Beavers belong to the family ... More


Form, Weight, and Special Adaptations

Dietland Müller-Schwarze

in The Beaver: Its Life and Impact

Published in print:
2011
Published Online:
August 2016
ISBN:
9780801450105
eISBN:
9780801460869
Item type:
chapter
Publisher:
Cornell University Press
DOI:
10.7591/cornell/9780801450105.003.0002
Subject:
Biology, Animal Behavior / Behavioral Ecology

This chapter provides an overview of the beaver's form, weight, and special adaptations. An adult North American beaver has an average body weight of 40–50 pounds (about 18–23 kilograms). The body ... More


Diving and Thermoregulation: From Land Mammal to Semiaquatic Design and Function

Dietland Müller-Schwarze

in The Beaver: Its Life and Impact

Published in print:
2011
Published Online:
August 2016
ISBN:
9780801450105
eISBN:
9780801460869
Item type:
chapter
Publisher:
Cornell University Press
DOI:
10.7591/cornell/9780801450105.003.0003
Subject:
Biology, Animal Behavior / Behavioral Ecology

This chapter provides an overview of the beaver's diving reflex and thermoregulation, with particular emphasis on its evolution from a basic mammalian design into a superb amphibious, semiaquatic ... More


Energy Budget

Dietland Müller-Schwarze

in The Beaver: Its Life and Impact

Published in print:
2011
Published Online:
August 2016
ISBN:
9780801450105
eISBN:
9780801460869
Item type:
chapter
Publisher:
Cornell University Press
DOI:
10.7591/cornell/9780801450105.003.0004
Subject:
Biology, Animal Behavior / Behavioral Ecology

This chapter provides an overview of the beaver's energy budget. More specifically, it considers the amount of energy required by the beaver's proverbial and incessant activity and how the animal ... More


Families as Social Units

Dietland Müller-Schwarze

in The Beaver: Its Life and Impact

Published in print:
2011
Published Online:
August 2016
ISBN:
9780801450105
eISBN:
9780801460869
Item type:
chapter
Publisher:
Cornell University Press
DOI:
10.7591/cornell/9780801450105.003.0005
Subject:
Biology, Animal Behavior / Behavioral Ecology

This chapter provides an overview of the family as the basic social unit of beaver society. A beaver family consists of the parents, the young of the year, and yearlings. Two-year-olds may or may not ... More


Communication by Scent and Sound

Dietland Müller-Schwarze

in The Beaver: Its Life and Impact

Published in print:
2011
Published Online:
August 2016
ISBN:
9780801450105
eISBN:
9780801460869
Item type:
chapter
Publisher:
Cornell University Press
DOI:
10.7591/cornell/9780801450105.003.0006
Subject:
Biology, Animal Behavior / Behavioral Ecology

This chapter explains how beavers communicate by scent and sound. Like most mammals, beavers typically communicate with one another by chemical signals. The most conspicuous sign of scent marking is ... More


Infrastructure: Dams, Lodges, Trails, and Canals

Dietland Müller-Schwarze

in The Beaver: Its Life and Impact

Published in print:
2011
Published Online:
August 2016
ISBN:
9780801450105
eISBN:
9780801460869
Item type:
chapter
Publisher:
Cornell University Press
DOI:
10.7591/cornell/9780801450105.003.0007
Subject:
Biology, Animal Behavior / Behavioral Ecology

This chapter explains how and why beavers build infrastructure such as dams, lodges, trails, and canals. Beavers build one or several dams to impound water along streams. The impoundment keeps the ... More


Food Selection

Dietland Müller-Schwarze

in The Beaver: Its Life and Impact

Published in print:
2011
Published Online:
August 2016
ISBN:
9780801450105
eISBN:
9780801460869
Item type:
chapter
Publisher:
Cornell University Press
DOI:
10.7591/cornell/9780801450105.003.0009
Subject:
Biology, Animal Behavior / Behavioral Ecology

This chapter explains how beavers select their food. Direct observation of the beavers' feeding behavior shows that they consume much nonwoody vegetation that leaves little trace. Aside from trees, ... More


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