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Coffee cultivation good for diversity in agrarian settlements but not in forests
Date:2/19/2009

e force for conserving biological diversity from a landscape perspective," says Kristoffer Hylander.

The same conclusion regarding the role of coffee in the cultivation landscape is also drawn in the other study, which deals with the distribution of birds and above all forest birds in the landscape. But, besides growing coffee under shade trees in a cultivated landscape, growers also harvest coffee from forests in the regions under study.

"In some places they harvest sparse growth of rather low-producing forest coffee, while in other places they thin out the forest and replace all other wild shrubs and small trees with coffee. In contradistinction to the positive role of coffee as a creator of living environments in the open cultivated landscape, our research shows that the higher the density of coffee in the forest, the fewer species of forest birds can be found there," says Kristoffer Hylander.

One might wonder whether the aggregate impact of coffee production is positive or negative for conserving wild plants and animals in the Ethiopian landscape. Will increased interest in coffee be good for plant and animal diversity in Ethiopia by increasing the density of trees or will it impoverish the forest ecosystem through a gradual shift from forests to coffee plantations with shade trees? Kristoffer Hylander is continuing his research on ecosystems in southwestern Ethiopia with an eye to understanding the impact of coffee systems on plant and animal diversity and the role of coffee in deforestation and forest conservation.


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Contact: Maria Sandqvist
maria.sandqvist@kommunikation.su.se
Swedish Research Council
Source:Eurekalert

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