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| Author | : A. Townsend Peterson |
| Publisher | : Princeton University Press |
| Total Pages | : 330 |
| Release | : 2011-11-20 |
| Genre | : Science |
| ISBN | : 0691136882 |
Terminology, conceptual overview, biogeography, modeling.
| Author | : Bryan K. Epperson |
| Publisher | : Princeton University Press |
| Total Pages | : 372 |
| Release | : 2003-08-31 |
| Genre | : Mathematics |
| ISBN | : 0691086699 |
Population genetics has made great strides in applying statistical analysis and mathematical modeling to understand how genes mutate and spread through populations over time. But real populations also live in space. Streams, mountains, and other geographic features often divide populations, limit migration, or otherwise influence gene flow. This book rigorously examines the processes that determine geographic patterns of genetic variation, providing a comprehensive guide to their study and interpretation. Geographical Genetics has a unique focus on the mathematical relationships of spatial statistical measures of patterns to stochastic processes. It also develops the probability and distribution theory of various spatial statistics for analysis of population genetic data, detailing exact methods for using various spatial features to make precise inferences about migration, natural selection, and other dynamic forces. The book also reviews the experimental literature on the types of spatial patterns of genetic variation found within and among populations. And it makes an unprecedented strong connection between observed measures of spatial patterns and those predicted theoretically. Along the way, it introduces readers to the mathematics of spatial statistics, applications to specific population genetic systems, and the relationship between the mathematics of space-time processes and the formal theory of geographical genetics. Written by a leading authority, this is the first comprehensive treatment of geographical genetics. It is a much-needed guide to the theory, techniques, and applications of a field that will play an increasingly important role in population biology and ecology.
| Author | : Ricard V. Solé |
| Publisher | : Princeton University Press |
| Total Pages | : 391 |
| Release | : 2006-03-26 |
| Genre | : Science |
| ISBN | : 0691070407 |
Describing a theoretical view of ecosystems based on how they self-organise to produce complex patterns, this book focuses on very simple models that despite their simplicity encapsulate fundamental properties of how ecosystems work.
| Author | : Kamal J.K. Gandhi |
| Publisher | : Academic Press |
| Total Pages | : 438 |
| Release | : 2021-10-28 |
| Genre | : Science |
| ISBN | : 0128224401 |
Bark Beetle Management, Ecology, and Climate Change provides the most updated and comprehensive knowledge on the complex effects of global warming upon the economically and ecologically important bark beetle species and their host trees. This authoritative reference synthesizes information on how forest disturbances and environmental changes due to current and future climate changes alter the ecology and management of bark beetles in forested landscapes. Written by international experts on bark beetle ecology, this book covers topics ranging from changes in bark beetle distributions and addition of novel hosts due to climate change, interactions of insects with altered host physiology and disturbance regimes, ecosystem-level impacts of bark beetle outbreaks due to climate change, multi-trophic changes mediated via climate change, and management of bark beetles in altered forests and climate conditions. Bark Beetle Management, Ecology, and Climate Change is an important resource for entomologists, as well as forest health specialists, policy makers, and conservationists who are interested in multi-faceted impacts of climate change on forest insects at the organismal, population, and community-levels. - The only book that addresses the impacts of global warming on bark beetles with feedback loops to forest patterns and processes - Discusses altered disturbance regimes due to climate change with implications for bark beetles and associated organisms - Led by a team of editors whose expertise includes entomology, pathology, ecology, forestry, modeling, and tree physiology
| Author | : Stephen D. Fretwell |
| Publisher | : Princeton University Press |
| Total Pages | : 252 |
| Release | : 1972-07-21 |
| Genre | : Science |
| ISBN | : 9780691081069 |
Most organisms live in a seasonal environment. During their life cycles, some species face seasons of cold and heat, aridity and abundant rainfall, migration and stable residence, breeding and nonbreeding. Populations grow and decline as supplies of materials essential to their survival wax and wane. Such qualitative truths as these flow obviously from field observations. In this original monograph, Stephen Fretwell analyzes the highly complex interaction between a population and a regularly varying environment in an attempt to define and measure seasonality as a critical parameter in the general theory of population regulation. Concerned primarily with the size and the habitat distribution of populations, Professor Fretwell develops simple models that, when applied to specific populations, usually of birds, demonstrate the effect of seasonal variations on the regulation of populations. He maintains that seasonality, as a concept, is essential to a full understanding of environmental interaction. During the course of his exposition, the author offers several new hypotheses, including theories affecting the breeding, numbers, distribution, and diversity of wintering birds, and a theory affecting the body size of sparrows.
| Author | : Ivan Uher |
| Publisher | : BoD – Books on Demand |
| Total Pages | : 192 |
| Release | : 2020-08-19 |
| Genre | : Medical |
| ISBN | : 1789855276 |
Raising the average human lifespan by a decade or more will change our world. The future is not about whether this will happen; it is about what we should do when it happens. Even the most pessimistic assertions about the future of our environment are underestimating the extent of the problem. There is simply no model in which more years of life does not equate to more people and in which that does not lead to more crowding, environmental degradation, more consumption, and more waste. Hence, as we prolong life, these environmental crises will be further exacerbated. With current diets and production practices, feeding 7,6 billion people is degrading terrestrial and aquatic ecosystems, depleting water resources, and driving climate changes. The challenges of today are not just population, and it’s not just consumption, it is waste also. Thanks to things such as cars, planes, big homes, deforestation and so forth, the annual carbon dioxide emissions of an average are three times as high as it should be. It is likely that this signals that the current level of dividends is unsustainable, hence, we use and return little of value to our natural world. In our book, we address the questions related to environmental health challenges that include contamination of air, water, and soil, and car transportation. In order to better understand natural, industrial, and social-environmental hazards, we have to think of them in a broader context (i.e., physical, chemical, biological, and cultural). We hope that the presented publication gives the reader a broader perspective on the issues related to environmental health challenges in contemporary society in the coming years.
| Author | : |
| Publisher | : |
| Total Pages | : 252 |
| Release | : 1996 |
| Genre | : Science |
| ISBN | : |
This report comprises a study on the environment of Port Phillip Bay in Australia.
| Author | : Yusuf Khan |
| Publisher | : Frontiers Media SA |
| Total Pages | : 189 |
| Release | : 2023-06-29 |
| Genre | : Science |
| ISBN | : 2832527809 |
