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Sustainability 2018, 10(7), 2418; https://doi.org/10.3390/su10072418

Tipping Points in the Supply of Ecosystem Services of a Mountainous Watershed in Southeast Asia

1
Institute of Agricultural Sciences in the Tropics and Subtropics (Hans-Ruthenberg-Institute), University of Hohenheim, 70593 Stuttgart, Germany
2
Nelson-Mandela African Institution of Science and Technology, Arusha P.O. Box 447, Tanzania
*
Author to whom correspondence should be addressed.
Received: 14 June 2018 / Revised: 5 July 2018 / Accepted: 9 July 2018 / Published: 11 July 2018
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Abstract

Rubber plantations have expanded at an unprecedented rate in Southeast Asia in recent decades. This has led to a substantial decline in the supply of ecosystem services (ESS) and has reduced livelihood options and socioeconomic well-being in rural areas. We assessed the impact of two land use scenarios on the supply of ESS in a mountainous watershed in Xishuangbanna Prefecture, People’s Republic of China. We combined time-series data derived from spatially explicit ESS models (InVEST) with a sequential, data-driven algorithm (R-method) to identify potential tipping points (TPs) in the supply of ESS under two rubber plantation expansion scenarios. TPs were defined as any situation in which the state of a system is changed through positive feedback as a result of accelerating changes. The TP analysis included hydrological, agronomical, and climate-regulation ESS, as well as multiple facets of biodiversity (habitat quality for vertebrate, invertebrate, and plant species). We identified regime shifts indicating potential tipping points, which were linked to abrupt changes in rubber yields, in both scenarios at varying spatial scales. With this study, we provide an easily applicable method for regional policy making and land use planning in data-scarce environments to reduce the risk of traversing future TPs in ESS supply for rubber producing land use systems. View Full-Text
Keywords: Southeast Asia; ecosystem services; rubber; regime shift; tipping point; scenario modeling; InVEST Southeast Asia; ecosystem services; rubber; regime shift; tipping point; scenario modeling; InVEST
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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Thellmann, K.; Cotter, M.; Baumgartner, S.; Treydte, A.; Cadisch, G.; Asch, F. Tipping Points in the Supply of Ecosystem Services of a Mountainous Watershed in Southeast Asia. Sustainability 2018, 10, 2418.

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