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Environmental Conservation for Food Production and Sustainable Livelihood in Tropical Africa

Environmental Conservation for Food Production and Sustainable Livelihood in Tropical Africa Introduction Whereas geographically, the tropics contain all regions situated between 23°N and 23°S, we, here, define it using temperature: regions where the average temperature over the year is higher than 15°C, where intra‐annual variability of the day temperature is relatively small and where no frost occurs. In addition, elevated regions such as ‘High Africa’ ( sensu Petit, ), which are comprised between the mentioned latitudes, are considered as cool tropics. A more holistic definition of tropical regions will consider elements of climate, vegetation, weathering, pedogenesis, erosion, slope morphology and landforms (Thomas, ). Given the occurrence of differences in elevation, but also tectonics and vegetation cover, Eastern Africa is a hotspot for soil erosion on the continent (Vanmaercke et al ., ). No wonder then that many studies regarding conservation issues also focus on this part of the continent. This Special Issue includes ten case studies that concern Ethiopia and additional case studies in Uganda, Kenya, Burkina Faso and Niger. Issues addressed concern vegetation cover and physical soil and water conservation, particularly its on‐site and off‐site effects. Last but not least, rates and reasons of adoption of conservation measures by mostly smallholder farmers are discussed. Forest Conservation When addressing http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Land Degradation and Development Wiley

Environmental Conservation for Food Production and Sustainable Livelihood in Tropical Africa

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References (19)

Publisher
Wiley
Copyright
Copyright © 2015 John Wiley & Sons, Ltd.
ISSN
1085-3278
eISSN
1099-145X
DOI
10.1002/ldr.2379
Publisher site
See Article on Publisher Site

Abstract

Introduction Whereas geographically, the tropics contain all regions situated between 23°N and 23°S, we, here, define it using temperature: regions where the average temperature over the year is higher than 15°C, where intra‐annual variability of the day temperature is relatively small and where no frost occurs. In addition, elevated regions such as ‘High Africa’ ( sensu Petit, ), which are comprised between the mentioned latitudes, are considered as cool tropics. A more holistic definition of tropical regions will consider elements of climate, vegetation, weathering, pedogenesis, erosion, slope morphology and landforms (Thomas, ). Given the occurrence of differences in elevation, but also tectonics and vegetation cover, Eastern Africa is a hotspot for soil erosion on the continent (Vanmaercke et al ., ). No wonder then that many studies regarding conservation issues also focus on this part of the continent. This Special Issue includes ten case studies that concern Ethiopia and additional case studies in Uganda, Kenya, Burkina Faso and Niger. Issues addressed concern vegetation cover and physical soil and water conservation, particularly its on‐site and off‐site effects. Last but not least, rates and reasons of adoption of conservation measures by mostly smallholder farmers are discussed. Forest Conservation When addressing

Journal

Land Degradation and Development – Wiley

Published: Oct 1, 2015

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