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Category : Life sciences
Languages : en
Pages : 812
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Author:
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ISBN:
Category : Scholarly publishing
Languages : en
Pages : 684
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ISBN:
Category : Life sciences
Languages : en
Pages : 622
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Category : Nuclear energy
Languages : en
Pages : 1050
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Author: Peter Bellwood
Publisher: John Wiley & Sons
ISBN: 1119251575
Category : History
Languages : en
Pages : 521
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Book Description
Incorporating research findings over the last twenty years, First Islanders examines the human prehistory of Island Southeast Asia. This fascinating story is explored from a broad swathe of multidisciplinary perspectives and pays close attention to migration in the period dating from 1.5 million years ago to the development of Indic kingdoms late in the first millennium CE.
Author: Makoto Kato
Publisher: Springer
ISBN: 4431565329
Category : Science
Languages : en
Pages : 310
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Book Description
This book presents a comprehensive overview of our current understanding of mutualism origin, plant–pollinator specificity, mutualism stability, and reciprocal diversification. In particular, it focuses on the natural history and evolutionary history of the third example of obligate pollination mutualism, leafflower–leafflower moth association, which was discovered in the plant family Phyllanthaceae by the lead editor and then established by the editors and their coworkers as an ideal model system for studies of mutualism and the coevolutionary process. This work brings together the knowledge they have gained through an array of research conducted using different approaches, ranging from taxonomy, phylogenetics, ecology, and evolutionary biology to biogeography. Richly illustrated with numerous original color photographs, the volume consists of 13 chapters and is divided into three main parts: natural history, ecology, and evolution. It begins by showcasing numerous examples of plant–animal interactions and their origins to guide readers in the world of leafflowers and their pollinators. The immense diversity of Phyllanthaceae and pollinator moths is then explored, and in the following 7 chapters mutualism is discussed from a range of ecological and evolutionary points of view. The final chapter presents a review of the evolution and variety of obligate pollination mutualisms. This book offers researchers and students in the field of ecology, botany, evolutionary biology, pollination biology, entomology, and tropical biology fascinating insights into why such a costly pollination system has evolved and why Phyllanthaceae is so diverse despite the inconspicuousness of their flowers.
Author: Frederick T. Short
Publisher: Univ of California Press
ISBN: 9780520240476
Category : Nature
Languages : en
Pages : 336
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Book Description
Seagrasses are a vital and widespread but often overlooked coastal marine habitat. This volume provides a global survey of their distribution and conservation status.
Author: James A. Barnett
Publisher: American Society for Microbiology Press
ISBN: 1555815162
Category : Science
Languages : en
Pages : 638
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Book Description
The comprehensive history of yeast research. • Traces the growing understanding of yeasts and their role in the evolution of microbiology, biochemistry, cytology, and genetics. • Details how findings in yeast research were used to overcome complex problems and to develop currently accepted scientific concepts and methods. • Emphasizes experimental evidence, by reproducing many figures from the original researchers’ work as well as illustrations of the equipment they used. The book is enlivened with images of many of the scientists and offers accounts of notable incidents in the lives of some of them. • Serves as a resource for microbiology, biochemistry, or general biology students.
Author: Ramesh D. Gulati
Publisher: Springer Science & Business Media
ISBN: 9400980159
Category : Science
Languages : en
Pages : 380
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Book Description
The Netherlands, like the other industrialized countries in the northern hemisphere, is faced with increas ing environmental pro blems. Being a country rich in water - at least in terms of surface area - and low-lying, problems related to water are as old as the nation itself. The problems in regard to water quality are becoming more acute and complicated due to the progressive rise in air and ground pollution. Glaring examples are the acid rains and contamination of ground-water resources by toxic, and often illegal, waste dumps. Being a delta country, the Netherlands is also very vulnerable to pollution from the·water sources outside the country's national boundaries, i.e. the rivers Rhine, Meuse and ScheIdt. Not only the national but also the international authorities are active in developing measures to both prevent and combat water pollution, and to restore as far as possible the natural balance or a 'reasonable' water quality. The pollution abatement programmes are based on ecological theories; accepting waterbodies as aquatic ecosystems, the authorities concerned try to influence and lead the progresses in the systems to reach or maintain the desired ecosystem structure. Suter II (1981) mentioned a number of reasons why the attempts to use ecosystem theories to assess the impacts on the environment have been disappointing to date. It is clear that one of the reasons for the failure is lack of proper knowledge.
Author: James Wiseman
Publisher: ASCSA
ISBN: 9780876615324
Category : History
Languages : en
Pages : 316
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Book Description
V. 1 presents summary observations; v. 2 will present the final conclusions of this study.
Author: Matthew Foreman
Publisher: Springer Science & Business Media
ISBN: 1402057644
Category : Mathematics
Languages : en
Pages : 2200
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Book Description
Numbers imitate space, which is of such a di?erent nature —Blaise Pascal It is fair to date the study of the foundation of mathematics back to the ancient Greeks. The urge to understand and systematize the mathematics of the time led Euclid to postulate axioms in an early attempt to put geometry on a ?rm footing. With roots in the Elements, the distinctive methodology of mathematics has become proof. Inevitably two questions arise: What are proofs? and What assumptions are proofs based on? The ?rst question, traditionally an internal question of the ?eld of logic, was also wrestled with in antiquity. Aristotle gave his famous syllogistic s- tems, and the Stoics had a nascent propositional logic. This study continued with ?ts and starts, through Boethius, the Arabs and the medieval logicians in Paris and London. The early germs of logic emerged in the context of philosophy and theology. The development of analytic geometry, as exempli?ed by Descartes, ill- tratedoneofthedi?cultiesinherentinfoundingmathematics. Itisclassically phrased as the question ofhow one reconciles the arithmetic with the geom- ric. Arenumbers onetypeofthingand geometricobjectsanother? Whatare the relationships between these two types of objects? How can they interact? Discovery of new types of mathematical objects, such as imaginary numbers and, much later, formal objects such as free groups and formal power series make the problem of ?nding a common playing ?eld for all of mathematics importunate. Several pressures made foundational issues urgent in the 19th century.
