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Author: European Grassland Federation. General Meeting
Publisher:
ISBN:
Category : Animal products
Languages : en
Pages : 1188
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Book Description
Author: European Grassland Federation. General Meeting
Publisher:
ISBN:
Category : Animal products
Languages : en
Pages : 1188
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Book Description
Author: N.R. French
Publisher: Springer Science & Business Media
ISBN: 1461261821
Category : Science
Languages : en
Pages : 215
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Book Description
This volume is a result of the summary and synthesis of data collected in the Grassland Biome Program, which is part of the American contribution to the International Biological Program (IBP). The purpose of this volume is to present a summary of quantitative ecological investigations of North American grass lands and to present a set of broad comparisons of their characteristics and functions as well as the results of some models and experiments that lead to practical considerations of the management of grasslands. Synthesis is a continuing activity in science. Early in the Grassland Biome Program there was a synthesis of literature data on grasslands, edited by R. L. Dix and R. G. Beidleman (1969). Results of the first year of field data collection under this program were synthesized in a volume edited by N. R. French (1971). Development of the large-scale model constructed to depict the processes and the dynamics of state variables in grassland ecosystems was presented by Innis (1978). Soon to appear will be two volumes integrating studies of American grasslands with IBP studies in other grasslands of the world (Coupland, in press) and the application of systems analysis to understanding grassland function and utilization (Breymeyer and Van Dyne, in press). The present volume presents current results and comparisons of field investigations and experimental studies that were conducted under this program.
Author: Dejan Sokolović
Publisher: Springer
ISBN: 9401790442
Category : Technology & Engineering
Languages : en
Pages : 380
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Book Description
Grasslands are among the largest ecosystems in the world and consequently are of great importance to mankind. The genotypes of the species which are the main components of the grasslands have great influence on total outcome and successful utilization of grasslands. Therefore fodder crops and turf swards should be constantly improved to follow modern trends in agriculture production and landscape architecture. The wide range of breeding programs for forage and amenity species, as well as new breeding methods and techniques, is rapidly expanding the boundaries and is making it possible to achieve outstanding breeding results. This book includes papers presented at the 30th EUCARPIA Fodder Crops and Amenity Grasses Section Meeting. The challenging title of the book focuses on breeding of quantitative traits, which directly impact the profitability and sustainability of grasslands and fodder crops production, as well as on multidisciplinary approach in grassland research and utilisation. Included papers offer a unique collection of ideas and breakthroughs in the fields of fodder crops and amenity grasses breeding and genetics, as well as in the creative and innovative application of new tools in practical breeding.
Author: L.F. Huenneke
Publisher: Springer Science & Business Media
ISBN: 9400931131
Category : Science
Languages : en
Pages : 224
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Book Description
The chapters in this volume are based on a opportumtles for studying the links between symposium, "California grasslands: structure abiotic and biotic components. and productivity", supported by the National The contributions in this volume illustrate Science Foundation. The primary objective of the links between population-level processes this symposium was to integrate the current and system-level phenomena in a well-studied understanding of controls on ecosystem struc community. Unfortunately, some areas of cur ture and function with the approaches of popu rent research (e.g., nutrient cycling) are under lation biology. The annual grasslands are represented in this volume. For other topics eminently suitable for experimental and manip (particularly the role of invertebrate con sumers), the lack of data from the annual grass ulative studies of ecosystem processes. The short lives and small stature of the component land brought a broader grassland perspective. plant species make experimental work far more Together, however, the contributions illustrate practical than in forests or even in perennial the importance of different ecological ap dominated prairies. The system's small-scale proaches in studying the controls on structure patchiness, and the obvious importance of and function of a complex system. the region's mediterranean climate in the life cycle of the annual vegetation, afford many L.F. Huenneke and H.A. Mooney Huenneke, L.F. and Mooney, H. (eds) Grassland Structure and Function: California Annual Grassland.
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: G. S. Innis
Publisher: Springer Science & Business Media
ISBN: 1461299292
Category : Science
Languages : en
Pages : 317
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Book Description
Perspectives on the ELM Model and Modeling Efforts This volume is the major open-literature description of a comprehensive, pioneering ecological modeling effort. The ELM model is one of the major outputs of the United States Grassland Biome study, a contribution to the International Biological Program (IBP). Writing this introduction provides wel come personal opportunity to (i) review briefly the state of the art at the beginning of the ELM modeling effort in 1971, (ii) to discuss some aspects of the ELM model's role in relation to other models and other phases of the Grassland Biome study, and (iii) to summarize the evolution of ELM or its components since 1973. Pre-Program Historical Perspective My first major contacts with ecological simulation modeling were in 1960 when I was studying intraseasonal herbage dynamics and nutrient production on foothill grasslands in southcentral Montana, making year-round measurements of the aboveground live vegetation, the standing dead, and the litter. Limitations in funding and the rockiness of the foothill soils prevented measuring the dynamics of the root biomass, both live and dead. Herbage biomass originates in live shoots from which it could be translocated into live roots or the live shoots could transfer to standing dead or to litter. Standing dead vegetation must end up in the litter and the live roots eventually transfer to dead roots. Obviously, the litter and the dead roots must decay away.
Author:
Publisher:
ISBN:
Category : Ecological disturbances
Languages : en
Pages : 176
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Book Description
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: 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: Pam Watts
Publisher: ABDO
ISBN: 1629699209
Category : Juvenile Nonfiction
Languages : en
Pages : 51
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Book Description
This title will introduce readers to grassland ecosystems, the plants and animals that thrive there, its climate, its food web, any threats to it, and conservation efforts. Readers will also learn about the most well known grasslands and their unique characteristics.. Aligned to Common Core Standards and correlated to state standards. Core Library is an imprint of Abdo Publishing, a division of ABDO.
