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Author: Publisher: ISBN: Category : Nature Languages : en Pages : 236
Book Description
Karoo veld promotes an ecosystem health approach to veld assessment, recognising that soil, plants, insects and wild animals, work with the land user to sustain the productivity and value of Karoo veld.
Author: Publisher: ISBN: Category : Nature Languages : en Pages : 236
Book Description
Karoo veld promotes an ecosystem health approach to veld assessment, recognising that soil, plants, insects and wild animals, work with the land user to sustain the productivity and value of Karoo veld.
Author: W. Richard J. Dean Publisher: Cambridge University Press ISBN: 1139429159 Category : Nature Languages : en Pages : 400
Book Description
The succulent and Nama-karoo form part of the arid south-western zone of Africa, a vast region of rugged landscapes and low treeless vegetation. Studies of this unique biome have yielded fascinating insights into the ecology of its flora and fauna. This book, originally published in 1999, is the first to synthesise these studies, presenting information on biogeographic patterns and life processes, form and function of animals and plants, foraging ecology, landscape-level dynamics and anthropogenic influences. Detailed analyses of the factors distinguishing the biota of the Karoo from that of other temperate deserts are given and generalisations about semi-arid ecosystems challenged. The ideas expounded, the ecological principles reviewed, and the results presented are relevant to all those working in the extensive arid and semi-arid regions of the world.
Author: Cherryl Walker Publisher: African Sun Media ISBN: 199145001X Category : Nature Languages : en Pages : 364
Book Description
This inter-disciplinary collection explores significant land-use changes in South Africa’s semi-arid Karoo region and their implications for social justice and the environment, across different scales. It brings together recent scholarship by established and younger researchers, in both the social and the natural sciences, to examine the ways in which the Karoo is being reconfigured as a new ‘resource frontier’ and the tensions and contestations that result. Along with ongoing mining, major investments in astronomy (notably the Square Kilometre Array radio telescope), in renewable and non-renewable sources of energy (solar, wind, potential shale-gas mining), in biodiversity conservation and commercial game farming are reshaping land use and authority in this vast and long-marginalised area. While promising significant benefits to society at large, these developments are built on older histories of dispossession and extractivism – histories that many Karoo residents fear are being reproduced in new forms today. Collectively these dynamics place this unique region at the centre of national and global concerns around climate change, the politics of knowledge production, the conservation of threatened biodiversity, and the meaning and possibility of sustainable development. These issues are explored through a series of case studies of selected developments, complemented by chapters providing more historical context and general overviews. While challenging perceptions of this region as a peripheral wasteland, this collection raises conceptual and policy questions that resonate far beyond the Karoo itself. It also highlights the importance of interdisciplinary collaboration in research aimed not only at understanding but also at responding appropriately to the mounting challenges of our time.
Author: Olafur Arnalds Publisher: Springer Science & Business Media ISBN: 9401596026 Category : Science Languages : en Pages : 234
Book Description
Desertification has occurred worldwide. The biophysical and socio-economic complexity of this phenomenon has challenged our ability to categorize, inventory, monitor and repair the condition of degraded lands. One of the most important distinctions to be made in relation to land degradation is between cultivated land used for annual crop production and `rangelands'. Grazing by free-roaming livestock is the traditional primary use of the world's rangelands. However, there is growing recognition of the importance of these vast acreages for wildlife habitat, hydrology and ground water recharge, recreation and aesthetics. This text focuses on the desertification of rangelands and explores processes, problems and solutions. Chapters in the first section evaluate interactions between `natural' and human-induced disturbance regimes, thresholds, and non-linear change with respect to vegetation, hydrology, nutrients and erosion. Chapters in the second section examine socio-economic constraints and approaches for preventing and reversing degradation. The book provides a contemporary, process-oriented perspective on rangeland degradation of value to students, policy-makers and professionals alike.
Author: Walter G. Whitford Publisher: Academic Press ISBN: 0081026552 Category : Science Languages : en Pages : 476
Book Description
Nearly one-third of the land area on our planet is classified as arid or desert. Therefore, an understanding of the dynamics of such arid ecosystems is essential to managing those systems in a way that sustains human populations. This second edition of Ecology of Desert Systems provides a clear, extensive guide to the complex interactions involved in these areas. This book details the relationships between abiotic and biotic environments of desert ecosystems, demonstrating to readers how these interactions drive ecological processes. These include plant growth and animal reproductive success, the spatial and temporal distribution of vegetation and animals, and the influence of invasive species and anthropogenic climate change specific to arid systems. Drawing on the extensive experience of its expert authors, Ecology of Desert Systems is an essential guide to arid ecosystems for students looking for an overview of the field, researchers keen to learn how their work fits in to the overall picture, and those involved with environmental management of desert areas. - Highlights the complexity of global desert systems in a clear, concise way - Reviews the most current issues facing researchers in the field, including the spread of invasive species due to globalized trade, the impact of industrial mining, and climate change - Updated and extended to include information on invasive species management, industrial mining impacts, and the current and future role of climate change in desert systems
Author: Michael Burns Publisher: AFRICAN SUN MeDIA ISBN: 192010951X Category : Business & Economics Languages : en Pages : 629
Book Description
Southern Africa is well-blessed with a diverse and vibrant human population and a wealth of natural capital. The key challenge for sustainable development is to grow society?s capacity to use this natural capital to meet the needs of the region?s human population, especially the poor, in ways that sustain environmental life-support systems. Collaborating across disciplines, the authors explore the underpinning principles and the potential of sustainability science in a number of case studies.
Author: Rodney van der Ree Publisher: John Wiley & Sons ISBN: 1118568184 Category : Science Languages : en Pages : 562
Book Description
Winner of the IENE Project Award 2016. This authoritative volume brings together some of the world’s leading researchers, academics, practitioners and transportation agency personnel to present the current status of the ecological sustainability of the linear infrastructure – primarily road, rail and utility easements – that dissect and fragment landscapes globally. It outlines the potential impacts, demonstrates how this infrastructure is being improved, and how broad ecological principles are applied to mitigate the impact of road networks on wildlife. Research and monitoring is an important aspect of road ecology, encompassing all phases of a transportation project. This book covers research and monitoring to span the entire project continuum – starting with planning and design, through construction and into maintenance and management. It focuses on impacts and solutions for species groups and specific regions, with particular emphasis on the unique challenges facing Asia, South America and Africa. Other key features: Contributions from authors originating from over 25 countries, including from all continents Each chapter summarizes important lessons, and includes lists of further reading and thoroughly up to date references Highlights principles that address key points relevant to all phases in all road projects Explains best-practices based on a number of successful international case studies Chapters are "stand-alone", but they also build upon and complement each other; extensive cross-referencing directs the reader to relevant material elsewhere in the book Handbook of Road Ecology offers a comprehensive summary of approximately 30 years of global efforts to quantify the impacts of roads and traffic and implement effective mitigation. As such, it is essential reading for those involved in the planning, design, assessment and construction of new roads; the management and maintenance of existing roads; and the modifying or retrofitting of existing roads and problem locations. This handbook is an accessible resource for both developed and developing countries, including government transportation agencies, Government environmental/conservation agencies, NGOs, and road funding and donor organisations.
Author: Karen J. Esler Publisher: ISBN: 9781920217372 Category : Fynbos Languages : en Pages : 262
Book Description
The fynbos region is one of the most spectacularly diverse places on Earth. This is not an idle statement. When one considers the diversity of insects, freshwater and marine species also associated with the Cape, this hotspot is arguably the hottest of all.
Author: Cerkia Bramley Publisher: Springer Science & Business Media ISBN: 940076748X Category : Technology & Engineering Languages : en Pages : 151
Book Description
This book contributes to the literature on Geographical Indications (GIs) by providing key theoretical reflections from a five-year review process on the potential of GIs for agri-food products in Southern Africa. The contributors reflect on diverse GI processes and dynamics which operate at the local, national and international levels, thus enriching the understanding of GI dynamics and of the variety of policy options available for GI protection in Southern countries. Following a discussion of the legal framework and governance of national GI schemes in Southern countries, the book emphasizes the main dimensions underlying the development of GIs and their potential for enhancing sustainable rural development and market access in particular. This provides the structure for the chapters that build on the different experiences of Southern African industries that have embarked on GI strategies. The book includes chapters on designing an appropriate legal framework and governance system for the development of GIs in Southern countries.
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Author: Sue J. Milton
Author: W. Richard J. Dean
Author: Cherryl Walker
Author: Olafur Arnalds
Author: Walter G. Whitford
Author: Michael Burns
Author: Rodney van der Ree
Author: Karen J. Esler
Author: Cerkia Bramley