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Land degradation in drylands is a multi-faceted problem. Consequently, current management approaches that attempt to mitigate such land degradation often fail to produce significant improvements. The processes associated with land degradation in drylands fall at the interface of ecology and geomorphology. For a better understanding of this degradation, there is a need to uncover the underlying dynamics and characteristic responses to environmental drivers and human-induced disturbances. A primary characteristic of this land degradation is a change in processes and the emergence of patterns; but there remain many unknowns as to how these changing processes and emerging patterns are connected. In the first section of this keystone manual, the theory of ecogeomorphic pattern-process linkages is explored, establishing an integrated view of current concepts of pattern emergence and self-organization from an ecogeomorphic perspective.  The second section of the book explores methods for confronting models with data for the study of pattern-process linkages, bringing together divergent empirical and modelling methodologies to provide a fully integrated understanding of land degradation in drylands. Four case studies from drylands in Europe, Africa, Australia and North America outline the advances in ecogeomorphic research that have been made in these systems. Learning from this diverse range of studies and approaches, a research agenda for the emerging field of ecogeomorphology in land-degradation studies in drylands is set forth.

Land degradation --- Arid regions ecology --- Agriculture --- Earth & Environmental Sciences --- Ecology --- Agriculture - General --- Land degradation. --- Environmental impact analysis. --- Analysis of environmental impact --- Environmental assessment --- Environmental impact assessment --- Environmental impact evaluation --- Impact analysis, Environmental --- Degradation, Land --- Environment. --- Soil science. --- Soil conservation. --- Soil Science & Conservation. --- Environmental auditing --- Environmental monitoring --- Environmental protection --- Environmental degradation --- Conservation of soil --- Erosion control, Soil --- Soil erosion --- Soil erosion control --- Soils --- Agricultural conservation --- Soil management --- Control --- Prevention --- Conservation --- Pedology (Soil science) --- Earth sciences

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The Antarctic Treaty, set up in 1961 to provide a means for managing international relations in Antarctica, was reviewed in 1991. The book considers the question of the region's future with the ever growing international interest in the area as a source of important mineral resources. In this survey, a study group, brought together by the David Davies Memorial Institute of International Studies, looks at the political and environmental questions raised by the potentially conflicting interests in the Antarctic. What are the stresses, internal and external, on the Antarctic Treaty System and can it develop to cope with these? Could these stresses be resolved in a new instrument? If not, what is the likely political outlook for Antarctica? This book does not describe the components of the Antarctic Treaty System. These are discussed in The Antarctic Treaty Regime, edited by Gillian Triggs. Together, the two books will form an authoritative basis for the study of the Antarctic Treaty and its future.

Natural resources --- Law and legislation --- Antarctic Treaty --- Antarctica --- International status.

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MIDDLE EAST--POLITICS AND GOVERNMENT --- MIDDLE EAST--FOREIGN RELATIONS