Quantitative Plant Ecology PDF Download

Author: Peter Greig-Smith
Publisher: Univ of California Press
ISBN: 9780520050808
Category : Science
Languages : en
Pages : 388

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Author: Kenneth Andrew Kershaw
Publisher:
ISBN:
Category : Plant Ecology
Languages : en
Pages : 334

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Author: J. Hill
Publisher: Springer Science & Business Media
ISBN: 9401158304
Category : Science
Languages : en
Pages : 286

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Book Description
Latest figures suggest that approximately 20% of the world's population of six billion is malnourished because of food shortages and inadequate distrib ution systems. To make matters worse, it is estimated that some 75 billion metric tons of soil are removed annually from the land by wind and soil ero sion, much of it from agricultural land, which is thereby rendered unsuitable for agricultural purposes. Moreover, out of a total land area under cultivation 9 6 of approximately 1. 5 x 10 ha, some 12 x 10 ha of arable land are destroyed and abandoned worldwide each year because of unsustainable agricultural practices. Add to this the fact that the world population is increasing at the rate of a quarter of a million per day, and the enormity of the task ahead becomes apparent. To quote the eminent wheat breeder E. R. Sears, It seems clear that plant geneticists can look forward to an expanded role in the 21st century, particularly in relation to plant improvement. The suc cess of these efforts may go a long way towards determining whether the world's increasing billions of humans will be adequately fed. Food for an ever-increasing population will have to be produced not only from an ever-diminishing, but from what will become an ever-deteriorating land resource unless justifiable environmental concerns are taken into account.

Author: Kenneth A. Kershaw
Publisher:
ISBN:
Category :
Languages : en
Pages : 308

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Author: Justin Kitzes
Publisher: University of Chicago Press
ISBN: 0226818330
Category : Nature
Languages : en
Pages : 174

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Book Description
An essential guide to quantitative research methods in ecology and conservation biology, accessible for even the most math-averse student or professional. Quantitative research techniques have become increasingly important in ecology and conservation biology, but the sheer breadth of methods that must be understood—from population modeling and probabilistic thinking to modern statistics, simulation, and data science—and a lack of computational or mathematics training have hindered quantitative literacy in these fields. In this book, ecologist Justin Kitzes addresses those challenges for students and practicing scientists alike. Requiring only basic algebra and the ability to use a spreadsheet, Handbook of Quantitative Ecology is designed to provide a practical, intuitive, and integrated introduction to widely used quantitative methods. Kitzes builds each chapter around a specific ecological problem and arrives, step by step, at a general principle through the process of solving that problem. Grouped into five broad categories—difference equations, probability, matrix models, likelihood statistics, and other numerical methods—the book introduces basic concepts, starting with exponential and logistic growth, and helps readers to understand the field’s more advanced subjects, such as bootstrapping, stochastic optimization, and cellular automata. Complete with online solutions to all numerical problems, Kitzes’s Handbook of Quantitative Ecology is an ideal coursebook for both undergraduate and graduate students of ecology, as well as a useful and necessary resource for mathematically out-of-practice scientists.

Author: Mark R. T. Dale
Publisher: Cambridge University Press
ISBN: 1108632971
Category : Nature
Languages : en
Pages : 250

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Book Description
Network thinking and network analysis are rapidly expanding features of ecological research. Network analysis of ecological systems include representations and modelling of the interactions in an ecosystem, in which species or factors are joined by pairwise connections. This book provides an overview of ecological network analysis including generating processes, the relationship between structure and dynamic function, and statistics and models for these networks. Starting with a general introduction to the composition of networks and their characteristics, it includes details on such topics as measures of network complexity, applications of spectral graph theory, how best to include indirect species interactions, and multilayer, multiplex and multilevel networks. Graduate students and researchers who want to develop and understand ecological networks in their research will find this volume inspiring and helpful. Detailed guidance to those already working in network ecology but looking for advice is also included.

Author: George Clifford Evans
Publisher: Univ of California Press
ISBN: 9780520094321
Category : Science
Languages : en
Pages : 784

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Author: Hamlyn G. Jones
Publisher: Cambridge University Press
ISBN: 9780521425247
Category : Gardening
Languages : en
Pages : 460

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Book Description
A STUDY OF PLANTS-CLIMATE AND THE IMPACTS OF CHANGE UPON VEGETATION.

Author: Robert W. Poole
Publisher: McGraw-Hill Companies
ISBN:
Category : Science
Languages : en
Pages : 552

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Book Description
Primarily written for non-mathematically inclined biologist.

Author: David C. Schneider
Publisher: Academic Press
ISBN: 9780080925646
Category : Science
Languages : en
Pages : 432

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Book Description
A follow-up to the highly successful first edition, this book reviews the manifold ways that scale influences the interpretation of ecological variation. As scale, magnitude, quantity, and measurement occupy an expanding role in ecology, this 2e will be an indispensable addition to individual and institutional libraries. In providing a context for resolution of ecological problems, ecologists will appreciate the significance of scale and magnitude addressed in this book. Written for advanced undergraduates, graduate students, and faculty researchers, this book synthesizes a burgeoning literature on the influences of scale. * Expanded by numerous explanatory figures and wide coverage of material * Topic is of crucial importance to ecologists * The most thorough, complete coverage available on quantitative ecology in the market