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Author: T. H. Clutton-Brock
Publisher: Cambridge University Press
ISBN: 1107320380
Category : Science
Languages : en
Pages : 410
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Book Description
Soay Sheep synthesises one of the most detailed studies of demography and dynamics in a naturally regulated population of mammals. Unlike most other large mammals, the Soay sheep population of Hirta in the St Kilda archipelago show persistent oscillations, sometimes increasing or declining by more than 60% in a year. Soay Sheep explores the causes of these oscillations and their consequences for selection on genetic and phenotypic variation within the population, drawing on studies over nearly twenty years of the life-histories and reproductive careers of many individuals. Covering population dynamics, demography and their effects on selection, energetic and resource limitations on the interaction between sheep and parasites, and the adaptive significance of their reproductive characteristics, it provides unique insights into the regulation of other herbivore populations and the effects of environmental change on selection and adaptation. It will be essential reading for vertebrate ecologists, demographers, evolutionary biologists and behavioural ecologists.
Author: T. H. Clutton-Brock
Publisher: Cambridge University Press
ISBN: 1107320380
Category : Science
Languages : en
Pages : 410
Get Book Here
Book Description
Soay Sheep synthesises one of the most detailed studies of demography and dynamics in a naturally regulated population of mammals. Unlike most other large mammals, the Soay sheep population of Hirta in the St Kilda archipelago show persistent oscillations, sometimes increasing or declining by more than 60% in a year. Soay Sheep explores the causes of these oscillations and their consequences for selection on genetic and phenotypic variation within the population, drawing on studies over nearly twenty years of the life-histories and reproductive careers of many individuals. Covering population dynamics, demography and their effects on selection, energetic and resource limitations on the interaction between sheep and parasites, and the adaptive significance of their reproductive characteristics, it provides unique insights into the regulation of other herbivore populations and the effects of environmental change on selection and adaptation. It will be essential reading for vertebrate ecologists, demographers, evolutionary biologists and behavioural ecologists.
Author: T. H. Clutton-Brock
Publisher: Cambridge University Press
ISBN: 9780521529907
Category : Nature
Languages : en
Pages : 412
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Book Description
Publisher Description
Author: Debbie Zawinski
Publisher:
ISBN: 9780942018387
Category : Knitting
Languages : en
Pages : 191
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Book Description
"In the Footsteps of Sheep details the completion of a mission the author, a Welsh-born Scot, set for herself: to travel and camp throughout Scotland, find cast off tufts of wool from 10 Scottish sheep breeds, then spin the wool on her spinning stick while walking (or waiting for ferries), and finally design and knit one pair of socks to represent each breed ... all the while writing about her adventures and taking plenty of photographs. Debbie has written beautifully about her journey; the hills, shorelines, and bogs explored; the sheep and people she met along the way; weather both foul and fair, and a particularly exciting chapter about the intriguing St. Kilda archipelago and its feral Soay and Boreray sheep. The eleven sock patterns, one at the end of each chapter, are a bonus and, for those of us unable to gather and spin our own fleece, all were test-knitted with commercial wool. The designs are knitted from top to toe with different motifs, among them color-patterns, cables, spirals, stripes, Kilt Hose with top-turnovers, and a pair of baby booties."--Provided from Amazon.com.
Author: Janet Vorwald Dohner
Publisher: Yale University Press
ISBN: 030013813X
Category : Technology & Engineering
Languages : en
Pages : 528
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Book Description
"The need to preserve farm animal diversity is increasingly urgent, says the author of this definitive book on endangered breeds of livestock and poultry. Farmyard animals may hold critical keys for our survival, Jan Dohner warns, and with each extinction, genetic traits of potentially vital importance to our agricultural future or to medical progress are forever lost."--BOOK JACKET.
Author:
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 1922
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Book Description
Author: Kenneth Wilson
Publisher: Cambridge University Press
ISBN: 1107136563
Category : Mathematics
Languages : en
Pages : 693
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Book Description
Introduces readers to key case studies that illustrate how theory and data can be integrated to understand wildlife disease ecology.
Author: Sue Weaver
Publisher: Storey Publishing, LLC
ISBN: 1603426787
Category : Technology & Engineering
Languages : en
Pages : 465
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Book Description
Whether you want to the make most of a small plot of land or add diversity to a large farm, raising miniature livestock can be a fun and profitable experience. With expert advice on choosing a breed that suits your needs, Sue Weaver shows you how to house, feed, and care for miniature goats, sheep, donkeys, pigs, horses, cattle, and llamas. You’ll be inspired by profiles of successful breeders as you learn everything you need to know to keep your miniature livestock healthy and productive.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 840
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Book Description
Author: T. H. Clutton-Brock
Publisher:
ISBN: 9781107316225
Category : Mammal populations
Languages : en
Pages : 408
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Book Description
Synthesis of remarkable long-term and well-known study of the population dynamics of soay sheep on St Kilda.
Author: Kjell Danell
Publisher: Cambridge University Press
ISBN: 1139455842
Category : Nature
Languages : en
Pages : 489
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Book Description
Most large herbivores require some type of management within their habitats. Some populations of large herbivores are at the brink of extinction, some are under discussion for reintroduction, whilst others already occur in dense populations causing conflicts with other land use. Large herbivores are the major drivers for forming the shape and function of terrestrial ecosystems. This 2006 book addresses the scientifically based action plans to manage both the large herbivore populations and their habitats worldwide. It covers the processes by which large herbivores not only affect their environment (e.g. grazing) but are affected by it (e.g. nutrient cycling) and the management strategies required. Also discussed are new modeling techniques, which help assess integration processes in a landscape context, as well as assessing the consequences of new developments in the processes of conservation. This book will be essential reading for all involved in the management of both large herbivores and natural resources.
