Donald A. Levin's Books

The Origin, Expansion, and Demise of Plant Species

By: Donald A. Levin

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The Origin, Expansion, and Demise of Plant Species

By: Donald A. Levin

Combining insights from observation, experimentation, and theory, The Origin, Expansion, and Demise of Plant Species offers a broad overview of species as dynamic entities that arise, have unique evolutionary histories, and ultimately go extinct. It begins with a review of species concepts and the exposition of a new concept; it then addresses plant speciation, the expansion of species from their narrow centers of origin, intraspecific differentiation, and contact zones between differentiated population systems. Special attention is given to the breakdown of cohesion among populations by reproductive and spatial barriers. Also, the ecological and genetic properties of small populations and fragmented population systems are discussed with a focus on the role of hybridization in the demise of species. It ends with an exploration of the longevity of species and the tempo of diversification, contrasting different groups of plants in these respects as well as in rates of chromosomal differentiation. This book provides a new synthesis of evolutionary biology and ecology. It examines species from their origins, then follows them through their expansion, differentiation and loss of cohesion, and decline and extinction. The stages in the lives of species are viewed through ecological and genetic theory, and topics typically addressed independently are woven into a continuous fabric. As the first synthetic treatment of the stages through which plant species pass, this book is very useful for botanists, evolutionary biologists, conservation biologists, as well as all curious students of the biological sciences.

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Page Count

239

Publisher

Oxford University Press

Published Date

ISBN 10

0195351959

ISBN 13

9780195351958

The Role of Chromosomal Change in Plant Evolution

By: Donald A. Levin

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The Role of Chromosomal Change in Plant Evolution

By: Donald A. Levin

The application of new molecular technology has greatly increased our understanding of the role of chromosomal change in plant evolution. There is now a broad database on genome size variation within and among species and a wide array of nuclear and cytoplasmic genetic markers. There is a variety of literatures addressing this subject but much of it is scattered. This book created a contemporary synthesis or work in this area and addresses issues such as herogeneity, polyploidy, chromosomal rearrangements within species and phenotypic consequences of chromosome doubling.

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Page Count

241

Publisher

Oxford University Press

Published Date

ISBN 10

019535012X

ISBN 13

9780195350128

History Of The Third Infantry Division In World War II

By: Lt. Donald G. Taggart

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History Of The Third Infantry Division In World War II

By: Lt. Donald G. Taggart

Few units in the U.S. Army can boast as proud a unit history as the Third Infantry Division; it fought on all of the Europe and North African fronts that American soldiers were engaged against the Axis forces during World War II. The 3rd Infantry Division saw combat in North Africa, Sicily, Italy, France, Germany and Austria for 531 consecutive days. In this official division history written by the officers who served with the unit at the time serves as a fascinating memorial and a detailed history of the “Marne Division” during World War II. The 3rd Inf. Division made landfall in Fedala on the 8th November 1942 as part of Operation Torch during the Allied invasion of North Africa and was engaged in heavy fighting before the German and Italian troops were finally levered out of the continent. The division was back in the thick of the fighting in Sicily under the command of such famous leaders as Generals Lucien Truscott, Omar Bradley and George S. Patton. As part of General Mark Clark’s U.S. Fifth army it engaged in some of the bloodiest engagements of the Italian campaign at Salerno beaches, Volturno river, Monte Cassino and Anzio. Under their old division commander General Truscott they formed part of the force that landed in Southern France and battled into the heart of Germany before the eventual capitulation of the Nazi High command in 1945. Richly illustrated with maps and pictures throughout.

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Page Count

338

Publisher

Pickle Partners Publishing

Published Date

ISBN 10

1786258781

ISBN 13

9781786258786

A Religion of Nature

By: Donald A. Crosby

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A Religion of Nature

By: Donald A. Crosby

The beauty, sublimity, and wonder of nature have been justly celebrated in all of the religious traditions of the world, but usually these traditions have focused on beings or powers presumed to lie behind nature, providing nature's ultimate explanation and meaning. In a radical departure, Donald A. Crosby makes an eloquent case for regarding nature itself as the focus of religion, conceived without God, gods, or animating spirits of any kind, and argues that nature is metaphysically ultimate. He explores the concept of nature, the place of humans in nature, the responsibilities of humans to one another and to their natural environments, and offers a religious vision that grants to nature the kind of reverence, awe, love, and devotion formerly reserved for God. Crosby also shares his personal journey from theistic faith to a religion of nature.

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Page Count

213

Publisher

State University of New York Press

Published Date

ISBN 10

0791488195

ISBN 13

9780791488195

Multiple Stresses in Ecosystems

By: Jr. Cech,Barry W. Wilson,Donald G. Crosby

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Multiple Stresses in Ecosystems

By: Jr. Cech,Barry W. Wilson,Donald G. Crosby

Ecotoxicology is the evaluation of toxic effects within the environment, typically within one specific ecosystem, like a forest, stream, or lake. For years now, ecotoxicological studies have tended to focus on one toxicant at a time. But that isn't how an ecosystem encounters toxicants (or stresses): there may be several elements at work in the air, several more in the water, and still more already within the soil of any given ecosystem, and all have some level of toxic influence on that ecosystem. Multiple Stresses in Ecosystems presents the state-of-the-art in determining the effects of these multiple impacts upon ecosystems. Resulting from a vanguard conference originally held in 1993 at UC Davis, this new work is divided into three sections that present methodolgies for assessing the health of an ecosystem; the effects of multiple toxicological impacts upon an ecosystem, and which tools are worth using to assess these dangers. Environmental scientists, chemists, toxicologists, risk analysts, and probably the entire membership of SETAC will find need for this book, as will wetlands scientists, ecologists, and research biologists.

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Page Count

220

Publisher

Routledge

Published Date

ISBN 10

1351429647

ISBN 13

9781351429641

The Origin, Expansion, and Demise of Plant Species

By: Donald A. Levin

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The Origin, Expansion, and Demise of Plant Species

By: Donald A. Levin

Each plant species has its own unique passage that is affected by a variety of aspects to which it is exposed. This book explores plant species as dynamic entities within this passage, following the four stages of plant species life.

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Page Count

240

Publisher

Oxford University Press

Published Date

ISBN 10

0195127293

ISBN 13

9780195127294

Book's by Donald A. Levin

The Origin, Expansion, and Demise of Plant Species

The Origin, Expansion, and Demise of Plant Species

The Role of Chromosomal Change in Plant Evolution

The Role of Chromosomal Change in Plant Evolution

History Of The Third Infantry Division In World War II

History Of The Third Infantry Division In World War II

A Religion of Nature

A Religion of Nature

Multiple Stresses in Ecosystems

Multiple Stresses in Ecosystems

The Origin, Expansion, and Demise of Plant Species

The Origin, Expansion, and Demise of Plant Species

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