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Marine Ecosystems and Climate Variation
This research level text focuses on the influence of climate variability on the marine ecosystems of the North Atlantic. The ecological impact of climate variability on population dynamics is addressed at the full range of trophic levels, from phytoplankton through zooplankton and fish to marine birds. Climate effects on biodiversity and community structure are also examined. 40 scientists from around the world synthesise what is currently known about how climate affects the ecological systems of the North Atlantic and then place these insights within a broader ecological perspective. Many of the general features of the North Atlantic region are also seen in other marine ecosystems as well a...
Activity Patterns in Small Mammals
Environmental conditions change considerably in the course of 24 h with respect to abiotic factors and intra- and interspecific interactions. These changes result in limited time windows of opportunity for animal activities and, hence, the question of when to do what is subject to fitness maximisation. This volume gives a current overview of theoretical considerations and empirical findings of activity patterns in small mammals, a group in which the energetic and ecological constraints are particularly severe and the diversity of activity patterns is particularly high. Following a comparative ecological approach, for the first time activity timing is consequently treated in terms of behavioural and evolutionary ecology, providing the conceptual framework for chronoecology as a new subdiscipline within behavioural ecology. An extensive Appendix gives an introduction to methods of activity modelling and to tools for statistical pattern analysis.
Animal Dispersal
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.
Politics, Property and Production in the West African Sahel
Through a number of case studies from the West African Sahel, this book links and explores natural resources management from the perspectives of politics, property and production.
Trends in Ecological Research for the 1980s
Is ecology at a crossroad? After three decades of rapid, though somewhat anarchic development, many ecologists now are beginning to ask this question. They have the feeling of no longer belonging to a unified and mature scientific discipline. Many of them claim to be mere empiricists, whereas others are proud to be considered theoreticians. Each side has its own journals and holds its own specialists' meetings, tending to disregard the achievements of the other. The communication gap between the two schools is quickly widening, to the detriment of both. To make things worse, the word "ecology" now has a different meaning for the professional biologists and the general public. Ecology is stil...
Activity Patterns in Small Mammals
Environmental conditions change considerably in the course of 24 h with respect to abiotic factors and intra- and interspecific interactions. These changes result in limited time windows of opportunity for animal activities and, hence, the question of when to do what is subject to fitness maximisation. This volume gives a current overview of theoretical considerations and empirical findings of activity patterns in small mammals, a group in which the energetic and ecological constraints are particularly severe and the diversity of activity patterns is particularly high. Following a comparative ecological approach, for the first time activity timing is consequently treated in terms of behavioural and evolutionary ecology, providing the conceptual framework for chronoecology as a new subdiscipline within behavioural ecology. An extensive Appendix gives an introduction to methods of activity modelling and to tools for statistical pattern analysis.
Who Do the Ngimurok Say That They Are?
How do missiologists describe the cosmologies of those that Christianity encounters around the world? Our descriptions often end up filtered through our own Western religious categories. Furthermore, indigenous Christians adopt these Western religious categories. This presents the problem of local Christianities, described by Kwame Bediako as those that "have not known how to relate to their traditional culture in terms other than those of denunciation or of separateness." Kevin Lines's phenomenological study of local religious specialists in Turkana, Kenya, not only challenges our Western categories by revealing a more authentic complexity of the issues for local Christians and Western miss...
Exploration of a Nonlinear World
Extensions of Howell Tong's threshold approach to other fields of statistics abound. This volume is dedicated to his 65th birthday and consists of in-depth contributions from leading experts in a variety of fields of statistics, ecology, economics and finance as well as some of Tong's reprints.
How the Black Death Gave Us the NHS
As the world is gripped by the coronavirus pandemic, all eyes in the UK have been on our NHS heroes. But where did they come from? Why do we have such a unique free at the point of use healthcare system? How has this benefitted British society? And how does healthcare in other countries work? Going back to pre-history, we will take a look at epidemics and pandemics through the ages and how they have consistently nudged healthcare policy toward a more social model. They say a measure of civilised society is how it provides for its citizens, and the NHS has been the backbone of Great Britain for the best part of a century. As well as looking at its origins and counterparts in other countries, we will take a look at how the Covid-19 pandemic has been handled, and what the future of social healthcare might be across the globe.
As Gods Among Men
"In this masterly book, [Alfani] offers an insightful long-run perspective and fascinating lessons for the future. A must-read!"—Thomas Piketty, author of Capital in the Twenty-First Century A sweeping narrative that shows how the rich historically justified themselves by helping their societies in times of crisis, why they no longer do, and what that may mean for social stability The rich have always fascinated, sometimes in problematic ways. Medieval thinkers feared that the super-rich would act 'as gods among men’; much more recently Thomas Piketty made wealth central to discussions of inequality. In this book, Guido Alfani offers a history of the rich and super-rich in the West, exam...
