The Evolving Use And Management Of The Nations Forests Grasslands Croplands And Related Resources PDF Download
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Author | : John Fedkiw |
Publisher | : |
Total Pages | : 76 |
Release | : 1989 |
Genre | : Conservation of natural resources |
ISBN | : |
Download The Evolving Use and Management of the Nation's Forests, Grasslands, Croplands, and Related Resources Book in PDF, ePub and Kindle
Author | : John Fedkiw |
Publisher | : |
Total Pages | : 132 |
Release | : 1989 |
Genre | : Conservation of natural resources |
ISBN | : |
Download The Evolving Use and Management of the Nation's Forests, Grasslands, Croplands and Related Resources Book in PDF, ePub and Kindle
Author | : John Fedkiw |
Publisher | : |
Total Pages | : 76 |
Release | : 2004 |
Genre | : Nature |
ISBN | : |
Download Pathway to Sustainability Book in PDF, ePub and Kindle
Author | : Victor R. Squires |
Publisher | : CRC Press |
Total Pages | : 430 |
Release | : 2018-09-05 |
Genre | : Nature |
ISBN | : 1351652206 |
Download Grasslands of the World Book in PDF, ePub and Kindle
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 | : |
Publisher | : |
Total Pages | : 512 |
Release | : 1989 |
Genre | : Forests and forestry |
ISBN | : |
Download General Technical Report RM. Book in PDF, ePub and Kindle
Author | : John Fedkiw |
Publisher | : |
Total Pages | : 306 |
Release | : 1998 |
Genre | : Forest management |
ISBN | : |
Download Managing Multiple Uses on National Forests, 1905-1995 Book in PDF, ePub and Kindle
Author | : Roger A. Professor Sedjo |
Publisher | : Routledge |
Total Pages | : 252 |
Release | : 2010-09-30 |
Genre | : Law |
ISBN | : 1136526064 |
Download Perspectives on Sustainable Resources in America Book in PDF, ePub and Kindle
The vast size of the United States and extensive variation of its climate, topography, and biota across different regions contribute to both the richness of the nation‘s natural heritage and the complexities involved in managing its resources. A follow-up to RFF‘s popular America‘s Renewable Resources (1990), Perspectives on Sustainable Resources in America updates readers about the current challenges involved in managing America‘s natural resources, especially in light of the increasing emphasis on sustainability and ecosystem approaches to management. Written to inform general audiences and students, as well as to engage the interest of experts, the book includes assessments by some of the nation‘s most renowned scholars in natural resource economics and policy. An introductory chapter critically examines the concept of sustainability as it has been developed in recent years and asks how the concept might apply to individual resource systems. It considers the interrelatedness of ecosystem, economic, and social sustainability; the paradigms of resource sufficiency and functional integrity; and the contrast between weak and strong sustainability. The chapters that follow examine America‘s experience with forests, water, agricultural soils, and wildlife. Highlighting the adaptability and resilience of resource systems, each chapter provides a description of the physical characteristics of the resource, a history of its use, a policy history, and a review of ongoing debates in management and policy. Perspectives on Sustainable Resources in America concludes with an innovative treatment of biodiversity as a natural resource. The chapter reviews the definitions of biodiversity, the ecological and economic meanings of biodiversity, and current efforts to preserve biodiversity, especially through regulatory approaches.
Author | : United States. Congress. House. Committee on Agriculture. Subcommittee on Forests, Family Farms, and Energy |
Publisher | : |
Total Pages | : 712 |
Release | : 1993 |
Genre | : Business & Economics |
ISBN | : |
Download Forest Health and Clearcutting Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 46 |
Release | : 1993 |
Genre | : Environmental policy |
ISBN | : |
Download Natural Resources Book in PDF, ePub and Kindle
Author | : |
Publisher | : |
Total Pages | : 348 |
Release | : 1995 |
Genre | : Forest policy |
ISBN | : |
Download Selected References Concerning the USDA Forest Service Book in PDF, ePub and Kindle