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Author:
Publisher:
ISBN:
Category : Nature
Languages : en
Pages : 236
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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
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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
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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: Cape of Good Hope (Colony). Dept. of Agriculture
Publisher:
ISBN:
Category :
Languages : en
Pages : 752
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Book Description
Author: R. M. Cowling
Publisher: Cambridge University Press
ISBN: 9780521548014
Category : Science
Languages : en
Pages : 656
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Book Description
Comprehensive illustrated guide to plant science and ecology of southern African vegetation.
Author: Cape of Good Hope (Colony). Department of Agriculture
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 806
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Book Description
Author: Cape of Good Hope (Colony). Department of Agriculture
Publisher:
ISBN:
Category : Agriculture
Languages : en
Pages : 810
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Book Description
Author: Botanical Survey of South Africa
Publisher:
ISBN:
Category : Botany
Languages : en
Pages : 116
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Book Description
Author: Marinus J.A. Werger
Publisher: Springer Science & Business Media
ISBN: 9400999518
Category : Science
Languages : en
Pages : 1402
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Book Description
Southern Africa is certainly not a naturally bounded area so that there are several possibilities for delineating it and concepts about its extent. Wellington* discussed the various possibilities for delineation and suggested that one line stands out more clearly and definitely as a physical boundary than any other, namely the South Equatorial Divide, the watershed between the ZaIre, Cuanza and Rufiji Rivers on the one hand and the Z ambezi, Cunene and Rovuma Rivers on the other. This South Equatorial Divide is indeed a major line of separation for some organisms and is also applicable in a certain geographical sense, though it does not possess the slightest significance for many other groups of organisms, ecosystems or geographical and physical features of Africa. The placing of the northern boundary of southern Africa differs in fact strongly per scientific dis cipline and is also influenced by practical considerations regarding the possibilities of scientific work as subordinate to certain political realities and historically grown traditions. This is illustrated, for example, in such works as the Flora of Southern Africa, where the northern boundary of the area is conceived as the northern and eastern political boundaries of South West Africa, South Africa and Swaziland. Botswana, traditionally included in the area covered by the Flora Zambesiaca, thus forms a large wedge in 'Southern Africa'.
Author: P.J. van der Merwe
Publisher: AFRICAN SUN MeDIA
ISBN: 1919980776
Category : History
Languages : en
Pages : 324
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Book Description
Hierdie reeks van 4 historiese boeke deur P.J. van der Merwe herleef weer deur middel van digitale druk-tegnologie. Die oorpronklike boeke is geskandeer en is nou beskikbaar in druk- en PDFformaat, as 'n stel of individueel. Die ander boeke in die reeks is Die Noordwaartse Beweging van die Boere voor die Groot Trek (1770-1842) en Die Trekboer in die Geskiedenis van die Kaapkolonie (1657-1842).
Author: Olafur Arnalds
Publisher: Springer Science & Business Media
ISBN: 9401596026
Category : Science
Languages : en
Pages : 234
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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.
