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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
environmental science
Effects of coffee management intensity on composition, structure, and regeneration status of Ethiopian moist evergreen afromontane forests
Environmental Management, Volume 51, No. 3, Year 2013
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Description
The effect of arabica coffee management intensity on composition, structure, and regeneration of moist evergreen Afromontane forests was studied in three traditional coffee-management systems of southwest Ethiopia: semiplantation coffee, semiforest coffee, and forest coffee. Vegetation and environmental data were collected in 84 plots from forests varying in intensity of coffee management. After controlling for environmental variation (altitude, aspect, slope, soil nutrient availability, and soil depth), differences in woody species composition, forest structure, and regeneration potential among management systems were compared using one way analysis of variance. The study showed that intensification of forest coffee cultivation to maximize coffee production negatively affects diversity and structure of Ethiopian moist evergreen Afromontane forests. Intensification of coffee productivity starts with the conversion of forest coffee to semiforest coffee, which has significant negative effects on tree seedling abundance. Further intensification leads to the conversion of semiforest to semiplantation coffee, causing significant diversity losses and the collapse of forest structure (decrease of stem density, basal area, crown closure, crown cover, and dominant tree height). Our study underlines the need for shade certification schemes to include variables other than canopy cover and that the loss of species diversity in intensively managed coffee systems may jeopardize the sustainability of coffee production itself through the decrease of ecosystem resilience and disruption of ecosystem services related to coffee yield, such as pollination and pest control. © 2012 Springer Science+Business Media New York.
Authors & Co-Authors
Hundera, Kitessa
Belgium, Leuven
Ku Leuven
Ethiopia, Jimma
Jimma University
Aerts, Raf
Belgium, Leuven
Ku Leuven
Fontaine, Alexandre
Belgium, Leuven
Ku Leuven
van Mechelen, Maarten
Belgium, Leuven
Ku Leuven
Gijbels, Pieter
Belgium, Leuven
Ku Leuven
Honnay, Olivier
Belgium, Leuven
Ku Leuven
Muys, Bart M.
Belgium, Leuven
Ku Leuven
Statistics
Citations: 96
Authors: 7
Affiliations: 2
Identifiers
Doi:
10.1007/s00267-012-9976-5
ISSN:
0364152X
e-ISSN:
14321009
Study Locations
Ethiopia