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Displaying records 41 through 50 of 79 |
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Price: $49.95
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Sale: $49.95
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Manufacturer: Routledge
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Binding: Hardcover
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Author: C. Wolcock
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Publisher: Routledge
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Dewey Decimal Number: 580
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Publication Date: 1999-12
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Price: $151.50
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Sale: $155.97
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Manufacturer: Oxford University Press, USA
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Number of Items: 1
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Binding: Hardcover
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Author: Russell Lande::Steinar Engen::Bernt-Erik Saether
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Publisher: Oxford University Press, USA
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Dewey Decimal Number: 577.8801518
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Publication Date: 2003-06-12
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Reading Level: 224
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Description: Random fluctuations in population dynamics are fundamentally important in pure and applied ecology. This book introduces demographic and environmental stochasticity, and illustrates statistical methods for estimating them from field data. The concept of long-run growth rate of a population is explained and extended to age-structured populations. Diffusion approximations show how stochastic factors affect extinction in single populations and metapopulations. Delayed density dependence in populations with discrete annual reproduction is estimated from time series of adult numbers combined with basic life history data. The spatial scale of population fluctuations and local extinction risk depend on the scales of spatial environmental autocorrelation and individual dispersal, and the strength of density dependence. Stochastic dynamics and statistical uncertainty in population parameters are incorporated in Population Viability Analysis and sustainable harvesting. Statistics of species diversity measures and species abundance distributions are described, with implications for rapid assessments of biodiversity, and methods are developed for partitioning species diversity into components. Analysis of stochastic community dynamics indicates that real communities are far from neutral.
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Manufacturer: Springer
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Number of Items: 1
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Binding: Paperback
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Author: Shripad Tuljapurkar
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Publisher: Springer
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Dewey Decimal Number: 304.6015118
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Publication Date: 1990-07
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Reading Level: 154
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Price: $219.00
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Sale: $219.00
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Manufacturer: Springer
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Number of Items: 1
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Binding: Hardcover
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Publisher: Springer
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Edition: 1
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Dewey Decimal Number: 577.88
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Publication Date: 1996-10
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Reading Level: 400
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Description: The book integrates population biology theory and practice with management of fragmented ecosystems. This has rarely been successfully performed so far, as theory is usually conspicuous by being unconnected with management. Most management guidelines, therefore, tend to be extremely general and based on biogeography rather than population dynamics. Reviews on the current state of the art in connection with fragmentation research (population biology and genetics) are presented. The focus is put on the most important results of a large German project, which emphasises the application of metapopulation and minimum viable population theory in Central European cultural landscapes. This is supplemented by case studies from Europe, North America, Australia and New Zealand. The book is aimed at scientists in ecology and nature conservation as well as graduate students and people working in conservation practice.
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Manufacturer: Oxford University Press, USA
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Binding: Hardcover
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Publisher: Oxford University Press, USA
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Dewey Decimal Number: 574.5247
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Publication Date: 1990-08-16
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Reading Level: 256
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Description: This book examines the effects of environmental heterogeneity, or patchiness, on populations of plants and animals. The factors explored include variations in space, time, climactic conditions, food and other resources, and exposure to predators and parasites. In contrast to the once-prevailing view that environmental variation can be averaged-out without losing essential dynamics, the contributors to this volume find such heterogeneities often play a significant role in structuring large populations, especially in lessening the risk of extinction. Topics include the ways animals choose between patches that will expose them to different probabilities of starvation and predation, conservation in a variable environment and the optimal size of reserves, sex determination and sex ratios, patchiness and community structure, and extinctions of populations in correlated environments. The book will be of interest to ecologists, entomologists, environmental scientists, population geneticists, and biologists specializing in evolution, population, or conservation.
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Price: $115.00
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Sale: $54.98
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Manufacturer: Princeton University Press
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Number of Items: 1
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Binding: Hardcover
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Author: Warren G. Abrahamson::Arthur E. Weis
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Publisher: Princeton University Press
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Dewey Decimal Number: 576
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Publication Date: 1997-05-12
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Reading Level: 456
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Description: In a work that will interest researchers in ecology, genetics, botany, entomology, and parasitology, Warren Abrahamson and Arthur Weis present the results of more than twenty-five years of studying plant-insect interactions. Their study centers on the ecology and evolution of interactions among a host plant, the parasitic insect that attacks it, and the suite of insects and birds that are the natural enemies of the parasite. Because this system provides a model that can be subjected to experimental manipulations, it has allowed the authors to address specific theories and concepts that have guided biological research for more than two decades and to engage general problems in evolutionary biology. The specific subjects of research are the host plant goldenrod (Solidago), the parasitic insect Eurosta solidaginis (Diptera: Tephritidae) that induces a gall on the plant stem, and a number of natural enemies of the gallfly. By presenting their detailed empirical studies of the Solidago-Eurosta natural enemy system, the authors demonstrate the complexities of specialized enemy-victim interactions and, thereby, the complex interactive relationships among species more broadly. By utilizing a diverse array of field, laboratory, behavioral, genetic, chemical, and statistical techniques, Abrahamson and Weis present the most thorough study to date of a single system of interacting species. Their interest in the evolutionary ecology of plant-insect interactions leads them to insights on the evolution of species interactions in general. This major work will interest anyone involved in studying the ways in which interdependent species interact.
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Price: $98.00
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Sale: $98.00
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Manufacturer: World Scientific Publishing Company
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Number of Items: 1
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Binding: Hardcover
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Author: K. Yang
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Publisher: World Scientific Publishing Company
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Dewey Decimal Number: 515
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Publication Date: 2008-08-30
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Reading Level: 400
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Manufacturer: Springer
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Number of Items: 1
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Binding: Paperback
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Author: Simon N. Wood::Roger M. Nisbet
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Publisher: Springer
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Dewey Decimal Number: 574.5248072
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Publication Date: 1991-08
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Reading Level: 101
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Price: $85.50
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Sale: $9.95
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Manufacturer: Columbia University Press
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Number of Items: 1
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Binding: Hardcover
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Publisher: Columbia University Press
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Edition: 0
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Dewey Decimal Number: 577.88
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Publication Date: 1998-11-15
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Reading Level: 552
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Description: How will patterns of human interaction with the earth's eco-system impact on biodiversity loss over the long term--not in the next ten or even fifty years, but on the vast temporal scale be dealt with by earth scientists? This volume brings together data from population biology, community ecology, comparative biology, and paleontology to answer this question.
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Manufacturer: Princeton Univ Pr
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Number of Items: 1
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Binding: Hardcover
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Author: David Tilman
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Publisher: Princeton Univ Pr
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Dewey Decimal Number: 581.5247
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Publication Date: 1988-04
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Reading Level: 376
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Description: Although ecologists have long considered morphology and life history to be important determinants of the distribution, abundance, and dynamics of plants in nature, this book contains the first theory to predict explicitly both the evolution of plant traits and the effects of these traits on plant community structure and dynamics. David Tilman focuses on the universal requirement of terrestrial plants for both below-ground and above-ground resources. The physical separation of these resources means that plants face an unavoidable tradeoff. To obtain a higher proportion of one resource, a plant must allocate more of its growth to the structures involved in its acquisition, and thus necessarily obtain a lower proportion of another resource. Professor Tilman presents a simple theory that includes this constraint and tradeoff, and uses the theory to explore the evolution of plant life histories and morphologies along productivity and disturbance gradients. The book shows that relative growth rate, which is predicted to be strongly influenced by a plant's proportional allocation to leaves, is a major determinant of the transient dynamics of competition. These dynamics may explain the differences between successions on poor versus rich soils and suggest that most field experiments performed to date have been of too short a duration to allow unambiguous interpretation of their results.
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Displaying records 41 through 50 of 79
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