species concepts and phylogenetic theory a debate

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Species Concepts And Phylogenetic Theory

Author : Quentin Wheeler
ISBN : 9780231506625
Genre : Science
File Size : 87. 12 MB
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-- Biodiversity

Allgemeine Kologie

Author : Ludwig Trepl
ISBN : 3631534752
Genre : Ecology
File Size : 30. 54 MB
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Dieser Band der "Allgemeinen Okologie" befasst sich zunachst ausfuhrlich mit dem Populationsbegriff, der gemass dem in der Populationsgenetik ublichen Sinne verstanden wird. Im Anschluss werden Struktur und Dynamik von Populationen behandelt, unter besonderer Berucksichtigung der Regulationsmechanismen. Des weiteren wird detailliert auf das Phanomen der Territorialitat sowie auf Abundanzstrategien eingegangen. Das Buch gibt einen Uberblick uber die Forschung zur Populationsokologie und erlautert zahlreiche Aspekte, die in der Literatur bisher weitgehend vernachlassigt wurden."

Contemporary Debates In Philosophy Of Biology

Author : Francisco J. Ayala
ISBN : 1444314939
Genre : Science
File Size : 90. 90 MB
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This collection of specially commissioned essays puts top scholars head to head to debate the central issues in the lively and fast growing field of philosophy of biology Brings together original essays on ten of the most hotly debated questions in philosophy of biology Lively head-to-head debate format sharply defines the issues and paves the way for further discussion Includes coverage of the new and vital area of evolutionary developmental biology, as well as the concept of a unified species, the role of genes in selection, the differences between micro- and macro-evolution, and much more Each section features an introduction to the topic as well as suggestions for further reading Offers an accessible overview of this fast-growing and dynamic field, whilst also capturing the imagination of professional philosophers and biologists

Species Concepts In Biology

Author : Frank E. Zachos
ISBN : 9783319449661
Genre : Science
File Size : 90. 12 MB
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Frank E. Zachos offers a comprehensive review of one of today’s most important and contentious issues in biology: the species problem. After setting the stage with key background information on the topic, the book provides a brief history of species concepts from antiquity to the Modern Synthesis, followed by a discussion of the ontological status of species with a focus on the individuality thesis and potential means of reconciling it with other philosophical approaches. More than 30 different species concepts found in the literature are presented in an annotated list, and the most important ones, including the Biological, Genetic, Evolutionary and different versions of the Phylogenetic Species Concept, are discussed in more detail. Specific questions addressed include the problem of asexual and prokaryotic species, intraspecific categories like subspecies and Evolutionarily Significant Units, and a potential solution to the species problem based on a hierarchical approach that distinguishes between ontological and operational species concepts. A full chapter is dedicated to the challenge of delimiting species by means of a discrete taxonomy in a continuous world of inherently fuzzy boundaries. Further, the book outlines the practical ramifications for ecology and evolutionary biology of how we define the species category, highlighting the danger of an apples and oranges problem if what we subsume under the same name (“species”) is in actuality a variety of different entities. A succinct summary chapter, glossary and annotated list of references round out the coverage, making the book essential reading for all biologists looking for an accessible introduction to the historical, philosophical and practical dimensions of the species problem.

Historisches W Rterbuch Der Biologie

Author : Georg Toepfer
ISBN : 9783476004390
Genre : Social Science
File Size : 51. 66 MB
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Das Wörterbuch präsentiert die Grundbegriffe der Biologie in Form einer ausführlichen Wort- und Begriffsgeschichte. 112 Haupt- und 1.760 Nebeneinträge, von der Prägung der Begriffe bis zu den heute dominanten Bedeutungen, umreißen die Geschichte der biologischen Ideen, Konzepte und Theorien. Dafür wurden die seit Kurzem digital verfügbaren großen Datenbanken naturwissenschaftlicher Texte systematisch ausgewertet. Eine unschätzbare Informationsquelle nicht nur für Biologen und Wissenschaftshistoriker, sondern auch für Philosophen, Sprach-, Kultur- und Literaturwissenschaftler.

Wege Der Evolutionsgeschichtsschreibung

Author : Martin Langanke
ISBN : CHI:63690753
Genre : Cladistic analysis
File Size : 62. 56 MB
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The New Taxonomy

Author : Quentin D. Wheeler
ISBN : 1420008560
Genre : Science
File Size : 24. 45 MB
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Finalist for 2009 The Council on Botanical & Horticultural Libraries Literature Award! A Fresh Look at Taxonomy The most fundamental of all biological sciences, taxonomy underpins any long term strategies for reconstructing the great tree of life or salvaging as much biodiversity as possible. Yet we are still unable to say with any certainty how many species are living on the earth. The New Taxonomy describes how a confluence of theory, cyberinfrastructure, and international teamwork can meet this unprecedented research challenge and marks an emerging field, cybertaxonomy. Taxonomy Meets the Challenges of the Biodiversity Crisis An in-depth discussion of the future of descriptive taxonomy, the book examines the efforts of several international groups to catalog the world’s biodiversity and make it accessible. An answer to Julien Huxley’s The New Systematics, the book marks the beginning of an upward trajectory of taxonomy to meet the unprecedented challenges of the biodiversity crisis. Contemporary taxonomists reclaim the unique mission, goals, and importance of taxonomy as an independent science. They cover technologies such as DNA evidence and its applications, computer-assisted species identification, digital morphology, and E-typification. The book also provides insight into effective ways of organizing taxonomic information and discusses what benefits can be leveraged from a rapid growth of taxonomic knowledge. A Vision and A Strategy for the Future Not much has changed since E.O. Wilson pointed out how little we know of Earth’s species in 1985. This book offers a vision and a strategy for changing all that. The first current, unapologetic look at morphology and descriptive taxonomy that points out their incredible importance to science and society, this book frames one of the most constructive responses to biodiversity crises. It is a call to action for the taxonomy and museum communities to come together and to organize, plan, innovate, and initiate the most ambitious period of exploration in the long history of taxonomy.

Die Stammesgeschichte Der Insekten

Author : Willi Hennig
ISBN : CORNELL:31924018247779
Genre : Insects
File Size : 84. 68 MB
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Ber Die Entstehung Der Arten

Author : Charles Darwin
ISBN : 9783849683511
Genre : Science
File Size : 68. 51 MB
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Über die Entstehung der Arten von Charles Darwin (englisch: On the Origin of Species), veröffentlicht am 24. November 1859, ist ein wissenschaftliches Buch, das als grundlegendes Werk der Evolutionsbiologie gilt. Darwin stellte in seinem Buch die wissenschaftliche Theorie vor, dass sich Populationen von Lebewesen im Laufe von Generationen durch den Prozess der natürlichen Selektion evolutionär verändern. Er lieferte zahlreiche Belege für die Vorstellung, dass die Vielfalt der heute existierenden Organismen von gemeinsamen Vorfahren abstammt.

Orchid Conservation

Author : Kingsley W. Dixon
ISBN : STANFORD:36105120996645
Genre : Orchids
File Size : 80. 39 MB
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