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November 16th, 2016

Land-use choices follow profitability at the expense of ecological functions in Indonesian smallholder landscapes

Published by Nature Communications,

This article in Nature Communication elaborates on the decision-making of Indonesian smallholder farmers and their impact on ecological functions. It finds that land-use choices of Indonesian smallholders predominantly favor farm portfolios with high economic productivity but low ecological value. Smallholder-dominated agricultural mosaic landscapes are highlighted as model production systems that deliver both economic and ecological goods in tropical agricultural landscapes, but trade-offs underlying current land-use dynamics are poorly known. The authors use comprehensive quantification of land-use change and associated bundles of ecosystem functions, services and economic benefits to investigate the decision-making of the farmers. The more profitable option for farmers (oil palm and rubber monocultures) replace forests and agroforests critical for maintaining above- and below-ground ecological functions and the diversity of most taxa. Between the monocultures, the higher economic performance of oil palm over rubber comes with the reliance on fertilizer inputs and with increased nutrient leaching losses. The authors argue that strategies to achieve an ecological-economic balance and a sustainable management of tropical smallholder landscapes must be prioritized to avoid further environmental degradation.

Curated from nature.com