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| Author | : P.E. Collinson |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 336 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 9401539359 |
A textbook (1st ed., 1978) presenting a wide range of information for students of ecology, geography, and biogeography.
| Author | : O.W. Archibold |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 520 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 9401100098 |
The ecology of world vegetation is described in numer all of the drafting and photographic work. They have ous books and journals, but these are usually very spe spent many hours on this project and their care and skill cialized in their scope and treatment. This book provides is reflected in the consistently high quality of the illus a synthesis of this literature. A brief introductory chap trations throughout the book. Many friends and col ter outlines general ecological concepts and subsequent leagues have provided photographs. It has not been chapters examine the form and function of the major possible to include all of them, but the 'global' perspect biomes of the world. A similar organization has been ive of the book has been greatly enhanced in this way. used for each biome type. These chapters begin with a I wish to thank them all for the time and trouble they description of environmental conditions and a brief have taken to supply this material. I must also thank account of floristic diversity in a regional context. The Mary Dykes and the staff of the interlibrary loans de remaining pages describe characteristic adaptations and partment of the Library, University of Saskatchewan, ecosystem processes. for their unfailing ability to get even the most obscure Although there is a rapidly growing literature on eco references.
| Author | : Heinrich Walter |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 295 |
| Release | : 2012-12-06 |
| Genre | : Science |
| ISBN | : 1468404687 |
Phytomass and Primary Production of the Various Vegetational Zones and of the Entire Biosphere The biosphere is that thin layer at the earth's surface in which living organisms exist and biological cycling takes place. It includes the upper horizons of the soil in which plants root, the atmosphere near the ground, (insofar as organisms penetrate this space), and all the surface waters. More than 99% of the earth's biomass is phytomass, to which we shall limit our discussion. Amounts of phytomass are distinctly related to vegeta tional zones. Because accurate determination of phytomass and primary production is difficult, only gross estimates have been available until recently. However, in 1970, Bazilevich et al. published (in Russian) more accurate calculations, based on the rapidly accumulating literature, for the various thermal zones and bioclimatic regions of the earth. These authors calculated mean phyto mass and mean annual primary production for the various regions as dry mass (in tons) per hectare. On the basis of measurements of the areas covered by the individual regions, excluding rivers, lakes, glaciers, and permanent snow, total phytomass and total annual primary production for the various regions were obtained (see table). The sum of these figures is the phytomass and annual production of the land surface of the earth. In addition, the table gives corresponding data for the waters of the earth. The values involved are potential i. e. , they are based on natural vegetation uninfluenced by man.
| Author | : S. R. Eyre |
| Publisher | : Routledge |
| Total Pages | : 378 |
| Release | : 2017-09-29 |
| Genre | : Social Science |
| ISBN | : 1351300105 |
Vegetation and Soils is an introduction to the study of vegetation and soil distribution. In this accessible work, S. R. Eyre describes the distributions of these two important elements in the landscape. The book progresses regionally, and the land areas of the earth are subdivided according to the distribution of their main vegetation and soil types. The author argues that the nature of the soil is not determined by vegetation any more than it is determined by climate, but the nature of the vegetation always has some bearing on the nature of the soil, and vice versa.Eyre studies the ways in which plant communities and soil profiles develop and the complexity of the vegetation-climatic relationship. The middle and high latitudes are examined, as well as the tropical regions. In order to avoid broad generalizations of vast regions, the example of the British Isles is used to show that vegetation and soil maps can be misleading on a continental scale. The book concludes with a series of vegetation maps, which show the distribution of plant formations. Also included are tables providing climatic correlations with vegetation and a glossary of relevant terms.This classic work shows the intimate connection between vegetation development and soil development. For this reason, this book is a major contribution to the study of the physical aspects of geography and will be of particular interest to students of geography, botany, and agriculture.
| Author | : Paul Keddy |
| Publisher | : Cambridge University Press |
| Total Pages | : 563 |
| Release | : 2007-06-07 |
| Genre | : Nature |
| ISBN | : 1139464256 |
Plants make up 99.9 percent of the world's living matter, provide food and shelter, and control the Earth's climate. The study of plant ecology is therefore essential to understanding the biological functions and processes of the biosphere. This vibrant introductory textbook integrates important classical themes with recent ideas, models and data. The book begins with the origin of plants and their role in creating the biosphere as the context for discussing plant functional types and evolutionary patterns. The coverage continues logically through the exploration of causation with chapters, amongst others, on resources, stress, competition, predation, and mutualism. The book concludes with a chapter on conservation, addressing the concern that as many as one-third of all plant species are at risk of extinction. Each chapter is enriched with striking and unusual examples of plants (e.g., stone plants, carnivorous plants) and plant habitats (e.g., isolated tropical tepui, arctic cliffs). Paul Keddy writes in a lively and thought-provoking style which will appeal to students at all levels.
| Author | : John Thomas Curtis |
| Publisher | : Univ of Wisconsin Press |
| Total Pages | : 718 |
| Release | : 1959-11-15 |
| Genre | : Nature |
| ISBN | : 9780299019402 |
One of the most important contributions in the field of plant ecology during the twentieth century, this definitive survey established the geographical limits, species compositions, and as much as possible of the environmental relations of the communities composing the vegetation of Wisconsin.
| Author | : Thomas J. Elpel |
| Publisher | : Hops Press |
| Total Pages | : 235 |
| Release | : 2013 |
| Genre | : Nature |
| ISBN | : 9781892784353 |
Explains the patterns method of plant identification, describing eight key patterns for recognizing more than 45,000 species of plants, and includes an illustrated reference guide to plant families.
| Author | : R. O. Parker |
| Publisher | : Taylor & Francis |
| Total Pages | : 744 |
| Release | : 2004 |
| Genre | : Gardening |
| ISBN | : 9781401841881 |
This revised text provides a comprehensive introduction to the fascinating world of plant science. From the basic requirements for plant growth, to genetic engineering and biotechnology, this easy- to- understand book is ideal for the high school level agriscience curriculum or college freshman level plant science course. Students will learn about the origins of cultivated plants, structure and anatomy, photosynthesis, respiration, propagation, production of major agronomic crops, and more.
| Author | : Lewis A. Owen |
| Publisher | : Routledge |
| Total Pages | : 584 |
| Release | : 2006-03-01 |
| Genre | : Science |
| ISBN | : 1134769199 |
An Introduction to Global Environmental Issues presents a comprehensive and stimulating introduction to the key environmental issues presently threatening our global environment. Offering an authoritative introduction to the key topics, a source of latest environmental information, and an innovative stimulus for debate, this is an essential book for all those studying or concerned with global environmental issues. Major global environmental issues are brought into focus. Explanations of the evolution of the earth's natural systems (hydrosphere, biosphere, geosphere, ecosphere) provide an essential understanding of the scientific concepts, processes and historical background to environmental issues. Contemporary socio-economic, cultural and political considerations are explored and important conceptual approaches such as Gaian hypotheses and Chaos Theory are introduced. Human impact and management of the natural environment, and concerns for maintaining biodiversity are emphasised throughout. Specific features include: * Case studies drawn from across the world * Superb illustrations: 4-colour plate sections; a wealth of informative diagrams * Glossary of key terms, with key concepts highlighted throughout the text * Annotated guides to further reading * Chapter summaries and key points A Lecturers' Manual is available to accompany the text This 2nd Edition has been extensively revised and expanded to include many new illustrations, up-to-date data (including the latest IPCC data) and the most recent events including Khobe earthquake, French nuclear testing, the Berlin conference and the Antarctic Treaty. Sections on ecosystems, techniques, pollution, tectonics, risk and hazard mitigation, world populations, and issues of human impact and environmental management, have been particularly expanded in this new edition.
| Author | : David John Briggs |
| Publisher | : Rowman & Littlefield |
| Total Pages | : 570 |
| Release | : 1986 |
| Genre | : Science |
| ISBN | : 9780847675203 |
This primary text, designed for undergraduate courses, provides a modern approach to the fundamentals of physical geography by linking process, form, and effect. The authors explore the natural world as a series of systems and consider the relationship between the different components of each. They examine, in turn, the atmosphere, hydrosphere, lithosphere, and biosphere, providing a thorough discussion of their composition and the ways in which their interaction forms our global environment. Throughout, the authors demonstrate the role of humanity in influencing the physical environment and the ways in which we are affected by our surroundings. Clearly written and lavishly illustrated with maps, drawings, photographs, and charts, Fundamentals of Physical Geography is an ideal text.
