Animal Dispersal
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Author | : N.C. Stenseth |
Publisher | : Springer Science & Business Media |
Total Pages | : 359 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9401123381 |
4.1.1 Demographic significance Confined populations grow more rapidly than populations from which dispersal is permitted (Lidicker, 1975; Krebs, 1979; Tamarin et at., 1984), and demography in island populations where dispersal is restricted differs greatly from nearby mainland populations (Lidicker, 1973; Tamarin, 1977, 1978; Gliwicz, 1980), clearly demonstrating the demographic signi ficance of dispersal. The prevalence of dispersal in rapidly expanding populations is held to be the best evidence for presaturation dispersal. Because dispersal reduces the growth rate of source populations, it is generally believed that emigration is not balanced by immigration, and that mortality of emigrants occurs as a result of movement into a 'sink' of unfavourable habitat. If such dispersal is age- or sex-biased, the demo graphy of the population is markedly affected, as a consequence of differ ences in mortality in the dispersive sex or age class. Habitat heterogeneity consequently underlies this interpretation of dispersal and its demographic consequences, although the spatial variability of environments is rarely assessed in dispersal studies.
Author | : Casper H. A. Van Leeuwen |
Publisher | : Frontiers Media SA |
Total Pages | : 196 |
Release | : 2020-02-13 |
Genre | : |
ISBN | : 2889634779 |
This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.
Author | : Michael A. Steele |
Publisher | : Johns Hopkins University Press |
Total Pages | : 480 |
Release | : 2021-01-05 |
Genre | : Science |
ISBN | : 1421439018 |
Theimer, an accomplished ecologist.
Author | : Jean Clobert |
Publisher | : OUP Oxford |
Total Pages | : 496 |
Release | : 2012-09-27 |
Genre | : Science |
ISBN | : 0191640360 |
Now that so many ecosystems face rapid and major environmental change, the ability of species to respond to these changes by dispersing or moving between different patches of habitat can be crucial to ensuring their survival. Understanding dispersal has become key to understanding how populations may persist. Dispersal Ecology and Evolution provides a timely and wide-ranging overview of the fast expanding field of dispersal ecology, incorporating the very latest research. The causes, mechanisms, and consequences of dispersal at the individual, population, species, and community levels are considered. Perspectives and insights are offered from the fields of evolution, behavioural ecology, conservation biology, and genetics. Throughout the book theoretical approaches are combined with empirical data, and care has been taken to include examples from as wide a range of species as possible - both plant and animal.
Author | : Beata Ujvari |
Publisher | : Academic Press |
Total Pages | : 292 |
Release | : 2017-02-08 |
Genre | : Medical |
ISBN | : 0128043806 |
Ecology and Evolution of Cancer is a timely work outlining ideas that not only represent a substantial and original contribution to the fields of evolution, ecology, and cancer, but also goes beyond by connecting the interfaces of these disciplines. This work engages the expertise of a multidisciplinary research team to collate and review the latest knowledge and developments in this exciting research field. The evolutionary perspective of cancer has gained significant international recognition and interest, which is fully understandable given that somatic cellular selection and evolution are elegant explanations for carcinogenesis. Cancer is now generally accepted to be an evolutionary and ecological process with complex interactions between tumor cells and their environment sharing many similarities with organismal evolution. As a critical contribution to this field of research the book is important and relevant for the applications of evolutionary biology to understand the origin of cancers, to control neoplastic progression, and to prevent therapeutic failures. - Covers all aspects of the evolution of cancer, appealing to researchers seeking to understand its origins and effects of treatments on its progression, as well as to lecturers in evolutionary medicine - Functions as both an introduction to cancer and evolution and a review of the current research on this burgeoning, exciting field, presented by an international group of leading editors and contributors - Improves understanding of the origin and the evolution of cancer, aiding efforts to determine how this disease interferes with biotic interactions that govern ecosystems - Highlights research that intends to apply evolutionary principles to help predict emergence and metastatic progression with the aim of improving therapies
Author | : J. E. Lambert |
Publisher | : CABI |
Total Pages | : 432 |
Release | : 2005 |
Genre | : Science |
ISBN | : 9780851990729 |
This book presents current knowledge of seed fate in both natural and human-disturbed landscapes, from various regions of the world. Habitats considered range from mountain and arid deserts in the temperate zone, to savanna and lowland rainforests in tropical regions of the world. Particular attention is paid to plant diversity conservation when seed removal is affected by factors such as hunting, habitat fragmentation or intensive logging. Contributors include leading scientists involved in research on seed ecology and on animal-plant relationships from the perspective of both primary and secondary seed dispersal, and predation.
Author | : British Ecological Society. Symposium |
Publisher | : Cambridge University Press |
Total Pages | : 478 |
Release | : 2002-08 |
Genre | : Nature |
ISBN | : 9780521549318 |
Dispersal has become central to many questions in theoretical and applied ecology in recent years. In this volume a team of leading ecologists aim to provide the advanced student and researcher with a comprehensive review of dispersal and its implications for modern ecology.
Author | : Carlos M. Herrera |
Publisher | : John Wiley & Sons |
Total Pages | : 328 |
Release | : 2009-04-13 |
Genre | : Science |
ISBN | : 1444312294 |
Interactions between plants and animals are incredibly diverse and complex and span terrestrial, atmospheric and aquatic environments. The last decade has seen the emergence of a vast quantity of data on the subject and there is now a perceived need among both teachers and undergraduate students for a new textbook that incorporates the numerous recent advances made in the field. The book is intended for use by advanced level undergraduate and beginning graduate students, taking related courses in wider ecology degree programmes. Very few books cover this subject and those that do are out of date.
Author | : Nicole Boivin |
Publisher | : Cambridge University Press |
Total Pages | : 573 |
Release | : 2017-05-27 |
Genre | : Social Science |
ISBN | : 1316738264 |
How have humans colonised the entire planet and reshaped its ecosystems in the process? This unique and groundbreaking collection of essays explores human movement through time, the impacts of these movements on landscapes and other species, and the ways in which species have co-evolved and transformed each other as a result. Exploring the spread of people, plants, animals, and diseases through processes of migration, colonisation, trade and travel, it assembles a broad array of case studies from the Pliocene to the present. The contributors from disciplines across the humanities and natural sciences are senior or established scholars in the fields of human evolution, archaeology, history, and geography.
Author | : Charles Sutherland Elton |
Publisher | : |
Total Pages | : 280 |
Release | : 1927 |
Genre | : Animal ecology |
ISBN | : |