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Author: Mario Giampietro Publisher: CRC Press ISBN: 0203503600 Category : Nature Languages : en Pages : 471
Book Description
Ecologists, agronomists, and others who may question the validity of current models for determining sustainable growth of agroecosystems, need a new set of analytical tools that more effectively address the complex nature of related processes. Those who challenge traditional assumptions of optimization and static factors in agricultural modeling de
Author: Mario Giampietro Publisher: CRC Press ISBN: 0203503600 Category : Nature Languages : en Pages : 471
Book Description
Ecologists, agronomists, and others who may question the validity of current models for determining sustainable growth of agroecosystems, need a new set of analytical tools that more effectively address the complex nature of related processes. Those who challenge traditional assumptions of optimization and static factors in agricultural modeling de
Author: Mario Giampietro Publisher: CRC Press ISBN: 1135515700 Category : Nature Languages : en Pages : 474
Book Description
Ecologists, agronomists, and others who may question the validity of current models for determining sustainable growth of agroecosystems, need a new set of analytical tools that more effectively address the complex nature of related processes. Those who challenge traditional assumptions of optimization and static factors in agricultural modeling de
Author: Frano Barbir Publisher: Springer Science & Business Media ISBN: 1402084943 Category : Business & Economics Languages : en Pages : 369
Book Description
Energy and environmental security are major problems facing our global economy. Fossil fuels, particularly crude oil, are confined to a few regions of the world and the continuity of supply is governed by dynamic political, economic and ecological factors. These factors conspire to force volatile, often high fuel prices while, at the same time, environmental policy is - manding a reduction in greenhouse gases and toxic emissions. Yet incr- sed growth and demand for welfare by developed and developing countries are placing higher pressure on energy resources. In particular, a large fraction of “new consumers” in developing countries already reached a purchasing power high enough as to be able to access to commodity and energy markets worldwide, thus boosting energy consumption and competition for all kinds of resources. Such a trend, although in principle may represent a progress towards diffuse welfare and wealth as well as much needed equity, is at present contributing to a rush for the appropriation of available resources which are directly and indirectly linked to energy and may contribute to planetary instability if it is not adequately understood and managed. A coherent energy strategy is required, addressing both energy supply and demand, security of access, development problems, equity, market dy- mics, by also taking into account the whole energy lifecycle including fuel production, transmission and distribution, energy conversion, and the impact on energy equipment manufacturers and the end-users of energy systems.
Author: Thomas Gitau Publisher: CRC Press ISBN: 9781420072785 Category : Technology & Engineering Languages : en Pages : 256
Book Description
Exploring the implementation of participatory, multistakeholder, and transdisciplinary ecosystem health research, Integrated Assessment of Health and Sustainability of Agroecosystems combines the latest theories in complexity and management with practical tools and approaches for sustainable rural development research. Although the text focuses on smallholder farming communities in the central highlands of Kenya, the material discussed can be—and has been—effectively applied to agroecosystems in many other parts of the world. After showing how the agroecosystem health framework was successfully adapted in a smallholder-dominated agroecosystem, the book integrates participatory methods, systems analyses, pulse process models, and soft systems methods in an open-ended, adaptive R&D process. It then looks at how to use correspondence analysis to refine a research-based suite of indicators and analyze data obtained using indicators. Incorporating the authors’ pioneering work in the ecosystem health field, this book demonstrates the potential of the agroecosystem health paradigm as a framework in the decision-making processes of agricultural communities in a tropical highlands area.
Author: Stephen R. Gliessman Publisher: CRC Press ISBN: 9781420003598 Category : Technology & Engineering Languages : en Pages : 380
Book Description
With all of the environmental and social problems confronting our food systems today, it is apparent that none of the strategies we have relied on in the past―higher-yielding varieties, increased irrigation, inorganic fertilizers, pest damage reduction―can be counted on to come to the rescue. In fact, these solutions are now part of the problem. It is becoming quite clear that the only way to keep the food crisis from escalating is to promote the conversion processes that will move agriculture to sustainability. Under the editorial guidance of agroecology experts Martha Rosemeyer and the internationally renowned Dr. Stephen R. Gliessman, The Conversion to Sustainable Agriculture: Principles, Processes, and Practices establishes a framework for how this conversion can be accomplished and presents case studies from around the world that illustrate how the process is already underway. The book provides a four-stage transition process for achieving sustainability and an in-depth analysis of the global efforts to make farms more energy-efficient and environmentally friendly. An international team of chapter contributors explores ways to lessen dependency on fossil fuels and pesticides, and examines each step in the conversion process. They also describe the process of monitoring change toward sustainable agriculture while integrating social and economic analysis within scientific practices. Serving as both a core textbook for students and a comprehensive reference for agricultural practitioners, this volume is a valuable resource for the change that is needed in our food system now and in the future.
Author: Patrick J. Bohlen Publisher: CRC Press ISBN: 1420052152 Category : Nature Languages : en Pages : 328
Book Description
Emphasizes Centrality of the Ecosystem PerspectiveSustainable management of agroecosystems in the 21st century faces unprecedented challenges. Protecting the environment while feeding a burgeoning population that could reach nine billion by mid-century, preserving the world's biodiversity, and sustaining agriculture in an increasingly urban world i
Author: E. M. A. Smaling Publisher: Oxford University Press, USA ISBN: Category : Agricultural ecology Languages : en Pages : 344
Book Description
Nutrient imbalances have a substantial impact on the productivity and sustainability of agroecosystems worldwide. Fertilizer and manure use, atmospheric deposition, international transportation of produce, solute and gas emissions and soil erosion have all contributed to deficits and surpluses, which in some areas have reached alarming proportions. This book describes and explores the latest concepts of the causes of nutrient imbalances, including the importance of different spatial scales, and examines ways to quantify and manage nutrient stocks, the increasing amount of legislation and the urgent need for the development of integrated nutrient management technologies. Nutrient Disequilibria in Agroecosystemsalso includes case studies, from fish farms in eastern Asia to nutrient flow monitoring in Kenyan tea/maize farms, the dairy sector in New Zealand and ecological farming in Switzerland, the future for global-level research in soil fertility management and nutrient flow analysis. This title should enhance research and the adoption of (inter)national policies on soil fertility maintenance with its global, multi-scale, multi-disciplinary approach.
Author: Peter Schroder Publisher: Elsevier ISBN: 9780080556390 Category : Technology & Engineering Languages : en Pages : 456
Book Description
Sustainable agriculture is a key concept for scientists, researchers, and agricultural engineers alike. This book focuses on the FAM- project (FAM Munich Research Network on Agroecosystems) of the 1990s as a means to assessing, forecasting, and evaluating changes in the agroecosystems that are necessary for agricultural sustainability. The management of two separate management systems: an organic and an integrated farming system are described to provide an interdisciplinary approach Changes of matter fluxes in soils, changes of trace gas fluxes from soils, precision farming in a small scale heterogen landscape, influence of management changes on flora and fauna, as well as the development of agroecosystem models, the assessment of soil variability and the changes in nutrient status are important aspects of this book. * Contains detailed results and insight of a long-time project on agricultural sustainability * Provides an interdisciplinary approach for comprehensive understanding by scientists and researchers of soil, plants, agriculture, and environment * Includes an international perspective
Author: Mario Giampietro
Author: Mario Giampietro
Author: Mario Giampietro
Author: Frano Barbir
Author: Thomas Gitau
Author: Stephen R. Gliessman
Author: Patrick J. Bohlen
Author: Comfort Y. Kudadjie
Author: E. M. A. Smaling
Author: Peter Schroder
Author: Arthur James Wells