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Rangeland Desertification : Advances in Vegetation Science - Olafur Arnalds

Rangeland Desertification

Advances in Vegetation Science

By: Olafur Arnalds (Editor), Steve Archer (Editor)

Hardcover Published: 30th November 1999
ISBN: 9780792360711
Number Of Pages: 209

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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.

Preface
Introductionp. 1
Desertification: an appeal for a broader perspectivep. 5
Sress, disturbance and change in rangeland ecosystemsp. 17
Viewing rangelands as landscape systemsp. 39
Hydrologic effects on rangeland degradation and restoration processesp. 53
Erosion models: use and misuse on rangelandsp. 67
Desert rangelands, degradation and nutrientsp. 77
Assessing and monitoring desertification with soil indicatorsp. 89
Scaling up from field measurements to large areas using the Desertification Response Unit and Indicator Approachesp. 99
Agricultural and ecological perspectives of vegetation dynamics and desertificationp. 115
The United Nations data bases on desertificationp. 131
The implementation of soil conservation programmesp. 143
Evolution of rangeland conservation strategiesp. 153
Policy and law for rangeland conservationp. 165
Rangelands issues and trends in developing countriesp. 181
The United Nations Convention to Combat Desertification: constraints to implementation in Eastern Africap. 197
Table of Contents provided by Blackwell. All Rights Reserved.

ISBN: 9780792360711
ISBN-10: 0792360710
Series: Advances in Vegetation Science
Audience: General
Format: Hardcover
Language: English
Number Of Pages: 209
Published: 30th November 1999
Publisher: Springer
Country of Publication: NL
Dimensions (cm): 23.39 x 15.6  x 1.42
Weight (kg): 0.5

Earn 587 Qantas Points
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