School of Agriculture, Food and Ecosystem Sciences - Research Publications
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ItemSpatial Assessment of Ecosystem Services from Planted Forests in Central Vietnam(MDPI AG, 2020-08-01)Globally, planted forests are increasing, providing increased resources to forest industries and ecosystem services (ES) to local and wider communities. However, assessment of the impacts of plantations on ES has been limited. Planted forests have expanded rapidly in Vietnam over the last 20 years, with much of the planting undertaken by smallholder growers using exotic Acacia and Eucalyptus species. This study aimed to test a framework to assess changes in four ES due to an increase in Acacia plantations from 2005–2015 in central Vietnam: carbon sequestration, sediment retention, water yield and habitat. Quantitative and qualitative indicators for each service were derived from the literature. Results showed that the area of planted forests in Quảng Trị and Thừa Thiên-Huế Provinces increased from 130,930 hectares (ha) to 182,508 ha, mostly replacing non-forest areas (degraded lands, grasslands and agricultural lands) and poor forests. The framework demonstrated capacity to assess the effect of planted forests on wood flow, carbon stocks, sediment retention, streamflow and the extent of wildlife habitat. Apart from the wood supply and carbon sequestration, more research is required to translate biophysical indicators to benefit relevant indicators related to human welfare. The study also revealed that the area of rich forests decreased by 20% over the ten years, mostly through degradation to poorer quality natural forests. Therefore, at the landscape scale, improvement in ES due to conversion of non-forests to planted forests was offset by a reduction in some services as a result of degradation of native forest from rich to poorer condition. Assessment of changes in ES due to planted forests also needs to consider other landscape changes. These analyses can inform policymakers, forest owners and managers, environmental organizations and local communities of the benefits and impacts of planted forests and provide an improved basis for payments for ES and potential additional income for smallholder tree growers.
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ItemNo Preview AvailableDelocalizing Communities: Changing Forms of Community Engagement in Natural Resources Governance(PERGAMON-ELSEVIER SCIENCE LTD, 2016-11)Across both the developing and developed worlds, community engagement has become a key strategy for natural resource management. However, a growing number of studies, report that community-based approaches are experiencing formidable challenges, with limited outcomes in terms of livelihoods, decentralization and sustainability. Yet, policies continue to focus attention unduly on "community participation", ignoring the ways in which the "community" is itself embedded in a wider social system. Recent studies have shown that local communities are more complex than previously assumed, with local community actions being heavily shaped by wider social and environmental contexts. Yet, scholarly research tends to focus on reporting such cross-scalar dynamics, with little explanation of how and why they occur. This paper advances a framework to understand how local communities interact with the wider world, through what we term "delocalization of communities" in natural resource management. Using Bourdieu's theory of social field, we present an approach to analyze various trajectories of delocalization involving the exchange of, and struggle for, a variety of resources valued in specific fields of natural resource governance.We extend the work of several researchers who have been critical of the conventional view of the community, and argue that a new model of delocalized "community" needs to be envisaged, one that emphasizes the interactions among actors within and between spatial scales and levels of political organization. While such a cross-scalar view is not novel, we deepen social field approach to assess how cross-scalar processes unfold in the course of "delocalization" of communities in the context of rapid social and environmental change. We draw on evidence from five different case studies from three continents that demonstrate specific aspects of the delocalization phenomenon.The cases selected are from Australia, Indonesia, Mexico, Nepal, and Papua New Guinea. We demonstrate through these cases that increasingly diverse interests in natural resources such as forests have served to delocalize communities beyond "local" domains. We conclude that local community is not a localized entity, and there are multiple cross-scale networks which need to be recognized, as these have profound implications in community-based natural resource management. In such situations, open and exploratory approaches - moving away from blueprint interventions - are required to facilitate context-specific fields and spheres of local democracy, nurturing diverse, flexible, and networked models of community participation, along with the recognition of political and economic influence coming from the wider domain.
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ItemEconomic evaluation of ecosystem goods and services under different landscape management scenarios(ELSEVIER SCI LTD, 2014-07)