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This research level text provides an up-to-date, authoritative review of the methods of measuring biological diversity, as well as the application of these methods.
This Handbook presents state-of-the-art methodological guidance and discussion of international practice related to the integration of biodiversity and ecosystem services in impact assessment, featuring contributions from leading researchers and practitioners the world over. Its multidisciplinary approach covers contributions across five continents to broaden the scope of the field both thematically and geographically.
Biological diversity - or ‘biodiversity’ - is the degree of variation of life within an ecosystem. It is a relatively new topic of study but has grown enormously in recent years. Because of its interdisciplinary nature the very concept of biodiversity is the subject of debate amongst philosophers, biologists, geographers and environmentalists. The Routledge Handbook of Philosophy of Biodiversity is an outstanding reference source to the key topics and debates in this exciting subject. Comprising twenty-three chapters by a team of international contributors the Handbook is divided into six parts: Historical and sociological contexts, focusing on the emergence of the term and early attempts to measure biodiversity What is biodiversity? How should biodiversity be defined? How can biodiversity include entities at the edge of its boundaries, including microbial diversity and genetically engineered organisms? Why protect biodiversity? What can traditional environmental ethics contribute to biodiversity? Topics covered include anthropocentrism, intrinsic value, and ethical controversies surrounding the economics of biodiversity Measurement and methodology: including decision-theory and conservation, the use of indicators for biodiversity, and the changing use of genetics in biodiversity conservation Social contexts and global justice: including conservation and community conflicts and biodiversity and cultural values Biodiversity and other environmental values: How does biodiversity relate to other values like ecological restoration or ecological sustainability? Essential reading for students and researchers in philosophy, environmental science and environmental studies, and conservation management, it will also be extremely useful to those studying biodiversity in subjects such as biology and geography.
Agroforestry systems (AFS) are becoming increasingly relevant worldwide as society has come to recognize their multiple roles and services: biodiversity conservation, carbon sequestration, adaptation and mitigation of climate change, restoration of degraded ecosystems, and tools for rural development. This book summarizes advances in agroforestry research and practice and raises questions as to the effectiveness of AFS to solve the development and environmental challenges the world presents us today. Currently AFS are considered to be a land use that can achieve a compromise among productive and environmental functions. Apparently, AFS can play a significant role in rural development even in the most challenging socioeconomic and ecological conditions, but still there is a lot of work to do to reach these goals. Considerable funding is spent in projects directed to enhancing productivity and sustainability of smallholders forestry and agroforestry practices. These projects and programs face many questions and challenges related to the integration of traditional knowledge to promote the most suitable systems for each situation; access to markets for AFS products, and scaling up of successful AFS. These complex questions need innovative approaches from varying perspectives and knowledge bases. This book gathers fresh and novel contributions from a set of Yale University researchers and associates who intend to provide alternative and sometimes departing insights into these pressing questions. The book focuses on the functions that AFS can provide when well designed and implemented: their role in rural development as they can improve food security and sovereignty and contribute to provision of energy needs to the smallholders; and their environmental functions: contribution to biodiversity conservation, to increased connectivity of fragmented landscapes, and adaptation and mitigation of climate change. The chapters present conceptual aspects and case studies ranging from traditional to more modern approaches, from tropical as well as from temperate regions of the world, with examples of the AFS functions mentioned above.
ما الذي يريد أن يعرفه قادة المدارس؟ في هذا الكتاب يعتمد توماس ر. هور على خبرته التي تزيد عن 25 عاماً في قيادة المدرسة ويقدم نصيحته التي لا تقدر بثمن حول إدارة المدرسة، فيتناول التحديات الماثلة أمام قادة المدارس من تقييم عمل المعلمين إلى التعامل مع أهالي الطلبة، ومن إدارة الاجتماعات إلى صنع الفرق، فيقدم لنا إستراتيجياته التي أثبت نجاحها. يقول هور: إن القيادة مبنية على العلاقات، وأفضل الإداريين يدعمون العمل في الفريق الواحد القائم على الزمالة ويثمنون التنوع ويشجعون كل من يحيط بهم؛ لكي ينمو ويتطور. يستعين بأمثلة من مدرسته التي يقودها فيلخص لنا الوسائل التي تجعل القائد أكثر تأثيراً ويخلق ثقافة التعلم. كما يبحث في كتابه هذا في تاريخ القيادة ومستقبلها، حيث يركز على الطريقة التي يتبعها المربون في سبيل تقدم المدارس. إن كتاب فن القيادة المدرسية، الذي يضم بين دفتيه ما يزيد عن 100 جملة مقتبسة مما قاله التربويون في مختلف أنحاء العالم يشكل وصفاً حياً مفعماً بالأفكار حول ما تقتضيه قيادة المدرسة. «من خلال روحه المرحة والممتعة واستقامته وصدق كلامه الذي يخلو من الرطانة الغريبة يكتسب هور المصداقية والاحترام. إن وصفه للحياة داخل المدرسة يجد صدى له في خبرات معظم المعلمين والإداريين وأهالي الطلبة.» رولاند بارت. العبيكان للنشر

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