Contents

Introduction Sustainable Production Agroforestry

Agroforestry and the Diversification of Agroecosystems Development of Multistrata Agroforests Biodiverse Agroecosystems

Forest Patches, Biogeographical Islands, and Agroforestry

Domestication of Trees for Timber and Nontimber Forest Products

Commercialization

Tree Domestication in Progress

Conclusions

References

Abstract — Agroforestry can be used to diversify and intensify farming systems through the integration of indigenous trees producing marketable timber and nontim-ber forest products and is described in terms of an agroecological succession, in which climax agroforests are biodiverse, highly productive, and profitable. The role of biodiversity in agroecosystem function is one of the keystones of sustainability. Complex agroforests that combine profitability with biodiversity are presented as a model worthy of expansion. However, little is known ecologically about how best to integrate agroforestry into the landscape, or to what extent agroforestry can be used to link forest patches and expand biogeographical islands.

Tree domestication is one way to diversify and intensify agroforestry systems and to make them profitable. A wise domestication strategy for indigenous trees will involve the capture and maximization of intraspecific genetic diversity and so benefit both production and the environment.

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