Описание: Steppes form one of the largest biomes. Drastic changes in steppe ecology, land use and livelihoods came with the emergence, and again with the collapse, of communist states. Excessive ploughing and vast influx of people into the steppe zone led to a strong decline in nomadic pastoralism in the Soviet Union and China and in severely degraded steppe ecosystems. In Mongolia nomadic pastoralism persisted, but steppes degraded because of strongly increased livestock loads. After the Soviet collapse steppes regenerated on huge tracts of fallow land. Presently, new, restorative steppe land management schemes are applied. On top of all these changes come strong effects of climate change in the northern part of the steppe zone. This book gives an up-to-date overview of changes in ecology, climate and use of the entire Eurasian steppe area and their effects on livelihoods of steppe people. It integrates knowledge that so far was available only in a spectrum of locally used languages.
Автор: Willig Michael R., Walker Lawrence R. Название: Long-Term Ecological Research: Changing the Nature of Scientists ISBN: 019938021X ISBN-13(EAN): 9780199380213 Издательство: Oxford Academ Рейтинг: Цена: 13939.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: The Long-Term Ecological Research (LTER) Program is, in a sense, an experiment to transform the nature of science, and represents one of the most effective mechanisms for catalyzing comprehensive site-based research that is collaborative, multidisciplinary, and long-term in nature. The scientific contributions of the Program are prodigious, but the broader impacts of participation have not been examined in a formal way. This book captures the consequences of participation in the Program on the perspectives, attitudes, and practices of environmental scientists. The edited volume comprises three sections. The first section includes two chapters that provide an overview of the history, goals, mission, and inner workings of the LTER network of sites. The second section comprises three dozen retrospective essays by scientists, data managers or educators who represent a broad spectrum of LTER sites from deserts to tropical forests and from arctic to marine ecosystems. Each essay addresses the same series of probing questions to uncover the extent to which participation has affected the ways that scientists conduct research, educate students, or provide outreach to the public. The final section encompasses 5 chapters, whose authors are biophysical scientists, historians, behavioral scientists, or social scientists. This section analyzes, integrates, or synthesizes the content of the previous chapters from multiple perspectives and uncovers emergent themes and future directions.
Автор: L. Hansson; L. Fahrig; G. Merriam Название: Mosaic Landscapes and Ecological Processes ISBN: 9401043094 ISBN-13(EAN): 9789401043090 Издательство: Springer Рейтинг: Цена: 26122.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: This series presents studies that have used the paradigm of landscape ecology. Other approaches, both to landscape and landscape ecology are common, but in the last decade landscape ecology has become distinct from its predecessors and its contemporaries.
Описание: The latest volume in the LTER series, this book presents the results and finding of the Long-Term Ecological Research site in the Alaskan Arctic, discussing Arctic ecology from a variety of perspectives and disciplines.
Описание: Excessive ploughing and vast influx of people into the steppe zone led to a strong decline in nomadic pastoralism in the Soviet Union and China and in severely degraded steppe ecosystems.
Описание: Coca markets, anti-coca policies as drivers of agricultural land use change in Bolivia.- Cooperatives, Agricultural Development, and Land Change on a Frontier in the Brazilian Cerrado.- Detection, drivers, and dynamics of LULCC in the Sahel: Linking scientists with local decision-makers.- From Farms to Forest Fragments: Agricultural Transition and its Implications.- Land-Use Dynamics and Political-Ecological Aspects: The Spanish Dehesa-System.- Market Integration and Market Realities on a Mexican Frontier.- Migration and other driving forces of land use/cover change in a rural context in western Mexico.- Modern Agriculture on Tropical Frontiers: Rethinking Methods for Land Change Research.- Stasis and flux in long-inhabited locales: Change in rural Andean landscapes.- Study of the economic and financial viability of two agroforestry models as sustainable choices for agriculture in Rondonia, Brasil.- The impact of a fluctuating agenda at the international level on cocoa farms in the humid forest zone of West and Central Africa: Current issues, research and development implications.- The Impact of Climate Change on Income Diversification and Food Security in Senegal.- Understanding Bracken Fern (Pteridium aquilinum (L.) Kuhn) Invasion in Southern Yucatбn Peninsular Region through Integrated Land-Change Science.- Coffee and Landscape change in Colombia 1970-2002: linking agricultural intensification and land-use and land-cover change.- The tobacco industry and land cover in agricultural regions of southern Africa.- Land use and land cover in traditional swidden cultivation systems in upland SE Asia.- Land use and land cover in the Indo-Gangetic Plains.
Автор: Sun-Kee Hong; John A. Lee; Byung-Sun Ihm; A. Farin Название: Ecological Issues in a Changing World ISBN: 1402026889 ISBN-13(EAN): 9781402026881 Издательство: Springer Рейтинг: Цена: 32004.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: Problems of scale have exercised the minds of ecologists for many years. This volume deals with this subject and with mathematical approaches to improve our understanding of complex ecological systems. It also focuses on monitoring the responses of ecosystems, especially to human impacts upon them.
Описание: Presents 20 years of work at the North Temperate Lakes Long-Term Research Site. This site-synthesis volume provides the information base for the ecology of temperate lakes, and a general assessment of the role of lakes within their landscapes. It is of interest to American limonologists and general ecologists.
Описание: This book explores the potential of Sustainable Forest Management within the context of the rapid changes occurring in our natural and social environments. It also examines the broad range of issues within the context of forest use, functions and conservation.
Автор: Sun-Kee Hong; John A. Lee; Byung-Sun Ihm; A. Farin Название: Ecological Issues in a Changing World ISBN: 9048167035 ISBN-13(EAN): 9789048167036 Издательство: Springer Рейтинг: Цена: 32004.00 р. Наличие на складе: Есть у поставщика Поставка под заказ.
Описание: This volume offers selected contributions to the 8th International Congress of Ecology to illuminate large-scale ecological problems and discuss how these can be managed through a variety of planning processes.
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