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Library Rural Livelihood, Biodiversity and Carbon Stock in Vietnam Mountains: Agent-Based Modeling to Anticipate Trade-Offs

Rural Livelihood, Biodiversity and Carbon Stock in Vietnam Mountains: Agent-Based Modeling to Anticipate Trade-Offs

Rural Livelihood, Biodiversity and Carbon Stock in Vietnam Mountains: Agent-Based Modeling to Anticipate Trade-Offs

Resource information

Date of publication
December 2016
Resource Language
ISBN / Resource ID
mel:20.500.11766/6094

Assessment of future multiple ecosystem services driven by alternative land-use policies is
useful for supporting decisions about what and where to invest for the best overall environmental and
developmental outcomes. The task faces a great challenge due to the inherent complexity of humanlandscape
systems and trade-offs between rural livelihood improvement, biodiversity conservation and
carbon sequestration. Agent-based system models have been recognized to be well suited to simulate
the co-evolutions of the community and landscape systems in response to policy interventions. The
study applies the Land Use Dynamics Simulator (LUDAS) framework to a mountain watershed in
central Vietnam for anticipating trade-offs among rural livelihoods, forest biodiversity and carbon
stocks under different land-use policy interventions. Changes in plant species diversity driven by land
cover change were calculated using the species-area relationships that were estimated based on
vegetation surveys. Total species pool of the study area was calculated with a taking into account of
species' turning over different vegetation cover types. Carbon stocks of different forest types were
estimated by empirical allometric equations. Our purpose is to assess relative impacts of policy
interventions by measuring the long-term landscape and community divergences (compared with a
baseline) driven from the widest plausible range of options for a given policy. We design experiments
of replicated simulations for relevant policy factors in the study region that include (i) forest protection
zoning, (ii) agricultural extension and (iii) agrochemical subsidies. We comparatively assessed tradeoffs
and synergies between different expectations - i.e. household income and income equity,
deforestation and natural vegetation recovering, and forest tree species diversity - driven by different
policy interventions. Transparent and objective communication of these informative findings would
help increase the effectiveness of multi-stakeholder discussions

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