Hot Deserts and Arid Shrublands


Book Description

This is the second part of a two-volume work which presents an authoritative world-wide view of our knowledge about, and understanding of, hot-desert ecosystems. This includes some semi-arid and arid areas, as well as deserts in the strict sense. The hot deserts are distinguished from the temperate deserts (which form the subject of another volume in the series) by the virtual absence of snowfall, even though frosts may occur. For each major hot-desert region, expert authors have summarized existing knowledge according to a general outline. This includes descriptions of the ecosystem components (climate, soil, flora and fauna), and discussion of interaction between components and overall ecosystem functioning. The information from the regional chapters has been integrated into a world-wide view in the ''synthesis'' chapters. Because of its length, the volume is published in two parts. The first part included the general synthesis chapters, and regional descriptions of the hot deserts of America and Australia. The present volume covers hot deserts of Asia and Africa.




Ecosystems of the World


Book Description










Ecosystems of Disturbed Ground


Book Description

As the human population inexorably grows, its cumulative impact on the Earth's resources is hard to ignore. The ability of the Earth to support more humans is dependent on the ability of humans to manage natural resources wisely. Because disturbance alters resource levels, effective management requires understanding of the ecology of disturbance. This book is the first to take a global approach to the description of both natural and anthropogenic disturbance regimes that physically impact the ground. Natural disturbances such as erosion, volcanoes, wind, herbivory, flooding and drought plus anthropogenic disturbances such as foresty, grazing, mining, urbanization and military actions are considered. Both disturbance impacts and the biotic recovery are addressed as well as the interactions of different types of disturbance. Other chapters cover processes that are important to the understanding of disturbance of all types including soil processes, nutrient cycles, primary productivity, succession, animal behaviour and competition. Humans react to disturbances by avoiding, exacerbating, or restoring them or by passing environmental legislation. All of these issues are covered in this book.Managers need better predictive models and robust data-collections that help determine both site-specfic and generalized responses to disturbance. Multiple disturbances have a complex effect on both physical and biotic processes as they interact. This book provides a wealth of detail about the process of disturbance and recovery as well as a synthesis of the current state of knowledge about disturbance theory, with extensive documentation.




Encyclopedia of Deserts


Book Description

Encyclopedia of Deserts represents a milestone: it is the first comprehensive reference to the first comprehensive reference to deserts and semideserts of the world. Approximately seven hundred entries treat subjects ranging from desert survival to the way deserts are formed. Topics include biology (birds, mammals, reptiles, amphibians, fishes, invertebrates, plants, bacteria, physiology, evolution), geography, climatology, geology, hydrology, anthropology, and history. The thirty-seven contributors, including volume editor Michael A. Mares, have had extensive careers in deserts research, encompassing all of the world’s arid and semiarid regions. The Encyclopedia opens with a subject list by topic, an organizational guide that helps the reader grasp interrelationships and complexities in desert systems. Each entry concludes with cross-references to other entries in the volume, inviting the reader to embark on a personal expedition into fascinating, previously unknown terrain. In addition a list of important readings facilitates in-depth study of each topic. An exhaustive index permits quick access to places, topics, and taxonomic listings of all plants and animals discussed. More than one hundred photographs, drawings, and maps enhance our appreciation of the remarkable life, landforms, history, and challenges of the world’s arid land.




Semiarid Lands and Deserts


Book Description

A compendium of current information on arid soils. Provides a comprehensive background of the various soils and biota of arid regions, as well as a detailed account of the current understanding of degradation processes, and includes methodologies for arid land maintenance and rehabilitation and for




Desert Biomes


Book Description

This volume in the Greenwood Guides to Biomes of the World focuses on deserts, the seemingly desolate—but actually quite lively—regions that are home to some of the most interesting and beautiful flora and fauna in the world. Desert Biomes examines three different types of biomes: warm/hot deserts (such as the Mojave and Sahara deserts), cold deserts (such as Patagonia in South America), and the West Coast Fog Desert biomes, which occur on certain regions of the western edge of major continents. The volumes examines how these biomes are unique in terms of their vegetation, geographical distribution, soil, challenges posed by the environment, adaptation of the plants and animals to the environment, and conservation efforts. Maps, photos, diagrams, drawings, and tables accompany the text, as do sidebars that highlight habitats, species, and ecological relationships. The volume includes a bibliography of accessible resources for further research.




The Karoo


Book Description

The succulent and Nama-karoo form part of the arid south-western zone of Africa, a vast region of rugged landscapes and low treeless vegetation. Studies of this unique biome have yielded fascinating insights into the ecology of its flora and fauna. This book, originally published in 1999, is the first to synthesise these studies, presenting information on biogeographic patterns and life processes, form and function of animals and plants, foraging ecology, landscape-level dynamics and anthropogenic influences. Detailed analyses of the factors distinguishing the biota of the Karoo from that of other temperate deserts are given and generalisations about semi-arid ecosystems challenged. The ideas expounded, the ecological principles reviewed, and the results presented are relevant to all those working in the extensive arid and semi-arid regions of the world.




Deserts and Desert Environments


Book Description

Taking a global perspective, this book provides a concise overviewof drylands, including their physical, biological, temporal, andhuman components. Examines the physical systems occurring in desert environments,including climate, hydrology, past and present lakes, weathering,hillslopes, geomorphic surfaces, water as a geomorphic agent, andaeolian processes Offers an accessible introduction to the physical, biological,temporal, and human components of drylands Investigates the nature, environmental requirements, andessential geomorphic roles of plants and animals in this stressfulbiological environment Highlights the impact of human population growth on climate,desertification, water resources, and dust storm activity Includes an examination of surface/atmosphere interactions andthe impact of ENSO events.