Derek Nason's Books

Genetic Management of Fragmented Animal and Plant Populations

By: Richard Frankham,Jonathan D. Ballou,Katherine Ralls,Mark Derek Bruce Eldridge,Michele R. Dudash,Charles B. Fenster,Robert C. Lacy,Paul Sunnucks

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Genetic Management of Fragmented Animal and Plant Populations

By: Richard Frankham,Jonathan D. Ballou,Katherine Ralls,Mark Derek Bruce Eldridge,Michele R. Dudash,Charles B. Fenster,Robert C. Lacy,Paul Sunnucks

One of the greatest unmet challenges in conservation biology is the genetic management of fragmented populations of threatened animal and plant species. More than a million small, isolated, population fragments of threatened species are likely suffering inbreeding depression and loss of evolutionary potential, resulting in elevated extinction risks. Although these effects can often be reversed by re-establishing gene flow between population fragments, managers very rarely do this. On the contrary, genetic methods are used mainly to document genetic differentiation among populations, with most studies concluding that genetically differentiated populations should be managed separately, thereby isolating them yet further and dooming many to eventual extinction Many small population fragments are going extinct principally for genetic reasons. Although the rapidly advancing field of molecular genetics is continually providing new tools to measure the extent of population fragmentation and its genetic consequences, adequate guidance on how to use these data for effective conservation is still lacking. This accessible, authoritative text is aimed at senior undergraduate and graduate students interested in conservation biology, conservation genetics, and wildlife management. It will also be of particular relevance to conservation practitioners and natural resource managers, as well as a broader academic audience of conservation biologists and evolutionary ecologists.

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Page Count

426

Publisher

Oxford University Press

Published Date

ISBN 10

0198783396

ISBN 13

9780198783398

A Practical Guide for Genetic Management of Fragmented Animal and Plant Populations

By: Richard Frankham,Jonathan D. Ballou,Katherine Ralls,Mark Derek Bruce Eldridge,Michele R. Dudash,Charles Barnet Fenster,Robert C. Lacy,Paul Sunnucks

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A Practical Guide for Genetic Management of Fragmented Animal and Plant Populations

By: Richard Frankham,Jonathan D. Ballou,Katherine Ralls,Mark Derek Bruce Eldridge,Michele R. Dudash,Charles Barnet Fenster,Robert C. Lacy,Paul Sunnucks

The habitats of most species have been fragmented by human actions, isolating small populations that consequently develop genetic problems. Millions of small, isolated, fragmented populations are likely suffering from inbreeding depression and loss of genetic diversity, greatly increasing their risk of extinction. Crossing between populations is required to reverse these effects, but managers rarely do so. A key reason for such inaction is that managers are often advised to manage populations in isolation whenever molecular genetic methods indicate genetic differences among them. Following this advice will often doom small populations to extinction when the habitat fragmentation and genetic differences were caused by human activities. A paradigm shift is required whereby evidence of genetic differentiation among populations is a trigger to ask whether any populations are suffering genetic problems, and if so, whether they can be rescued by augmenting gene flow. Consequently, there is now an urgent need for an authoritative practical guide to facilitate this paradigm shift in genetic management of fragmented populations.

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Page Count

197

Published Date

ISBN 10

0198783418

ISBN 13

9780198783411

Campsteading

Family, Place, and Experience at Squam Lake, New Hampshire

By: Derek Brereton

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Campsteading

Family, Place, and Experience at Squam Lake, New Hampshire

By: Derek Brereton

The campstead is an American institution. After the Civil War, with neo-colonialism, environmentalism, and arts-and-crafts on the rise, some families sought rural locations for rustic camps. There they raised their children in the summertime. Around Squam Lake, after some eight generations, twenty-one such camps remain in these families. The Squam area thus becomes a natural place to study relationships of persons and places, families and landscape, and humans and the world. Our present concerns for environmental stewardship, open space protection, and core values instead of consumerism, make this a good time to revisit the simple American Campstead. Rustic camping itself revisited aspects of the American frontier. Just as the western frontier was disappearing, some families resorted to remnants of the first frontier among mountains and lakes of the Northeast. Through campsteads, these families preserved elements of the frontier ethos. Campsteads facilitate particular experiences involving nature and family. Brereton investigates campstead experience, and through it the nature of human experience generally. This book is the first detailed account of campsteading, the first application of critical realism in anthropology, and the first anthropological use of John Dewey's evolutionary model of experience. Building on Dewey, the author further analyses experience into its levels, orders, and features.

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Page Count

387

Publisher

Routledge

Published Date

ISBN 10

1351572768

ISBN 13

9781351572767

Christians in a Secular World

The Canadian Experience

By: Kurt Derek Bowen

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Christians in a Secular World

The Canadian Experience

By: Kurt Derek Bowen

Assesses the state of Christians and their churches in Canada at the end of the twentieth century

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Page Count

347

Publisher

McGill-Queen's Press - MQUP

Published Date

ISBN 10

0773527117

ISBN 13

9780773527119

Atlas of Cytopathology: A Pattern Based Approach

By: Christopher J. VandenBussche,Erika F. Rodriguez,Derek B. Allison,M. Lisa Zhang

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Atlas of Cytopathology: A Pattern Based Approach

By: Christopher J. VandenBussche,Erika F. Rodriguez,Derek B. Allison,M. Lisa Zhang

Atlas of Cytopathology: A Pattern Based Approach is the latest installment in a unique new series designed to present diagnostic processes in a way similar to how clinicians actually review specimens. The book is image-rich, with scores of illustrations and tables, and filled with checklists, FAQs, and other tools to support fast, easy comprehension of material. Highlighted are common rather than obscure diseases and conditions, and “normal” cytology is presented first to give you a benchmark for subsequent discussions.

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Page Count

1825

Publisher

Lippincott Williams & Wilkins

Published Date

ISBN 10

1496397053

ISBN 13

9781496397058

Book's by Derek Nason

Genetic Management of Fragmented Animal and Plant Populations

Genetic Management of Fragmented Animal and Plant Populations

A Practical Guide for Genetic Management of Fragmented Animal and Plant Populations

A Practical Guide for Genetic Management of Fragmented Animal and Plant Populations

Campsteading

Campsteading

Christians in a Secular World

Christians in a Secular World

Atlas of Cytopathology: A Pattern Based Approach

Atlas of Cytopathology: A Pattern Based Approach

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