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Author: A. I. Breymeyer
Publisher: Cambridge University Press
ISBN: 9780521218726
Category : Business & Economics
Languages : en
Pages : 984
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Book Description
This 1980 book was a synthesis of much of the recent work on the functioning of grassland ecosystems at the time.
Author: A. I. Breymeyer
Publisher: Cambridge University Press
ISBN: 9780521218726
Category : Business & Economics
Languages : en
Pages : 984
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Book Description
This 1980 book was a synthesis of much of the recent work on the functioning of grassland ecosystems at the time.
Author: Valerie Ahl
Publisher: Columbia University Press
ISBN: 9780231084819
Category : Computers
Languages : en
Pages : 224
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Book Description
This basic guide introduces the relationships between observation, perception, and learning that form the substance of hierarchy theory. This theory aims to answer the question of whether there is a basic structure to nature, comprising discreet levels of organization within an overall pattern.
Author: David J. Gibson
Publisher: Cambridge University Press
ISBN: 1107195268
Category : Nature
Languages : en
Pages : 363
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Book Description
A comprehensive assessment of the effects of climate change on global grasslands and the mitigating role that ecologists can play.
Author: Robert T. Coupland
Publisher: Cambridge University Press
ISBN: 9780521218672
Category : Nature
Languages : en
Pages : 444
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Book Description
Background; The nature of grassland; Problems in studying grassland ecosystems; Natural temperate grasslands; Semi-natural temperate meadows and pastures; Tropical grasslands; Arable grasslands; Croplands.
Author: Victor R. Squires
Publisher: CRC Press
ISBN: 1351652206
Category : Nature
Languages : en
Pages : 430
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Book Description
This book begins with a brief account of the extraordinary sequence of events that led to emergence of grasslands as major vegetation formations that now occupy some of the driest and hottest and the highest and coldest on earth as well as vast steppes and prairies in more temperate climes. It is the story of grasses successfully competing with forests and woodlands, aided and abetted by grazing herbivores and by humans and their use of fire as a tool. It is a story of adaptation to changing climates and the changing biophysical environments. A major focus of the book is the Palaearctic biogeographic realm that extends over some 45 million km2 and thus more than 1/3 of the terrestrial ice-free surface on Earth. It comprises extensive grasslands of different types and origin, which can be subdivided into (1) natural grasslands with (1a) steppes (climatogenic in dry climates), (1b) arctic-alpine grasslands (climatogenic in cold climates) and (1c) azonal and extrazonal grasslands (pedogenic and topogenic) as well as (2) secondary grasslands created and sustained by human activities, such as livestock grazing, mowing or burning. Grasslands of the Palaearctic do not only form a major basis for the agriculture of the region and thus its food supply, but are also crucial for other ecosystem services and host a supra proportional part of the realm’s plant and animal diversity. To reflect that suitability of grasslands for biodiversity strongly depends on their state, we apply the term High Nature Value grassland to those natural grasslands that are not degraded (in good state) and those secondary grasslands that are not intensified (semi-natural). The situation in a variety of countries where grasslands are evolving under the influence of global climate change is also considered. Case studies are presented on Southern Africa, Eastern Africa, India, China, South America, North America and Australia. The concluding chapter examines a set of themes arising from the chapters that make up the bulk of this book. The following provide a focus: recent history of grassland biomes – brief recap of current thinking and recent trends with special reference to dry grasslands in the Palearctic regions; the current status of grasslands and germplasm resources (biodiversity) – an overview; management systems that ensure sustainability; how to recover degraded grasslands; socio-economic issues and considerations in grassland management; the impacts of environmental problems in grasslands such as future climate change and intensification and the problems/prospects facing pastoralists and other grassland-based livestock producers.
Author: Gilles Lemaire
Publisher: CABI
ISBN: 1845938097
Category : Science
Languages : en
Pages : 305
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Book Description
This book contains 28 chapters with emphasis on the interactive nature of the relationships between the soil, plant, animal and environmental components of grassland systems, both natural and managed. It analyses the present knowledge and the future trends of research for combining the classical view of grasslands, as a resource for secure feeding of an increasing human population, with the more recent perspective of the contribution of grasslands to the mitigation of environmental impacts and biodiversity erosion as consequences of human society activities. The chapters are organized within five sections dealing with the different functions and the main ecosystem services expected from grasslands: (i) domestic herbivore feeding and animal production; (ii) the regulation of biogeochemical cycles and its consequences for the environment; (iii) dynamics of biodiversity hosted by grasslands; (iv) integration of grasslands within sustainable animal production systems; and (v) interactions of grassland areas with other land use systems at the landscape level.
Author: Bernd Redecker
Publisher: Springer Science & Business Media
ISBN: 9783540429203
Category : Science
Languages : en
Pages : 478
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Book Description
One of the main problems and aims of nature conservation in Europe is to protect semi-open landscapes. The development during the past decades is characterized by an ongoing intensivation of land use on the one hand, and an increasing number of former meadows and pastures lying fallow caused by changing economic conditions on the other hand. In several countries the estabishment of larger "pasture landscapes" with a mixed character of open grassland combined with shrubs and forests has been recognized as one solution to this problem. The book gives an overview of the European projects concerning to this topic - nature conservation policy and strategies, scientific results and practical experiences creating large scale grazing systems.
Author: A. Lüscher
Publisher: vdf Hochschulverlag AG
ISBN: 9783728129406
Category : Business & Economics
Languages : en
Pages : 1272
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Book Description
Agriculture, alpine, global change, nutrients, farming
Author:
Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 772
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Book Description
Author:
Publisher:
ISBN:
Category : Ecological disturbances
Languages : en
Pages : 176
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Book Description
