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Assessing the performance of management is central to natural resource management, in terms of improving the efficiency of interventions in an adaptive-learning cycle. This is not simple, given that such systems generally have multiple scales of interaction and response; high frequency of non-lin...


Campbell, Bruce M.Sayer, Jeffrey A.Frost, P.Vermeulen, Sonja J.Ruiz Perez, M.Cunningham, A.B.Prabhu, R.[Assessing the performance of natural resource systems]Assessing the performance of natural resource systems

This article focuses on the ecological and economic interactions of woodland use in Western Zimbabwe. One of the aims was to investigate the use of modelling to achieve integration among disciplines. The integrated model draws on the models in the different papers in this issue of the journal. Th...


Campbell, Bruce M.Costanza, R.Belt, M. van den[Land use options in dry tropical woodland ecosystems in Zimbabwe: Introduction, overview and synthesis]Land use options in dry tropical woodland ecosystems in Zimbabwe: Introduction, overview and synthesis

The literature on deforestation in Malawi points to a number of causes, including high population in relation to available land, poverty, market and policy failures, drought, and the activity of structural adjustment policies. Agricultural statistics from Malawi indicate substantial increases in ...


Mindle, I.J.Kowero, G.S.Ngugi, D.Luhanga, J.[Agricultural land expansion and deforestation in Malawi]Agricultural land expansion and deforestation in Malawi

Participatory mapping and GIS are both necessary to model the interactions betwen humans and their environment. A case study from the forest margin in the Congo Basin demonstrates how data from participatory community mapping and other social science methods can be prepared for quantitative model...


Robligio, V.Mala, W.A.Diaw, C.[Mapping landscapes: integrating GIS and social science methods to model human-nature relationships in southern Cameroon]Mapping landscapes: integrating GIS and social science methods to model human-nature relationships in southern Cameroon

This paper explores the challenge of defining the scope of a systems model, emphasising three aspects: boundary, granularity and conceptual scope. The significance of these is illustrated by reference to a model of land-use decisions made in villages bordering on the Mafungautsi forest in zimbabw...


Haggith, M.Prabhu, R.Mudavanhu, H.Matose, F.Mutimukuru, T.Nyirenda, R.Standa-Gunda, W.[The challenge of effective model scoping: a FLORES case study from the Mafungausti forest margins, Zimbabwe]The challenge of effective model scoping: a FLORES case study from the Mafungausti forest margins, Zimbabwe

FLORES (the Forest Land Oriented Resource Envisioning System) was initially constructred by 50 people during a multidisciplinary workshop in Bukittinggi, Sumatra, in 1999. It proved that a model of a complex system could be constructed in a participatory way by a diverse team; that it could be do...


Vanclay, J.K.Haggith, M.Colfer, C.J.P.[Participation and model-building: lessons learned from the Bukittinggi workshop]Participation and model-building: lessons learned from the Bukittinggi workshop

Zimbabwe Forest Land Oriented Resource Envisioning System (ZimFlores) version 4 is the outcome of a participatory modelling process and seeks to provide a shared factual basis for exploring land-use options for the communal lands surrounding the Mafungautsi forest. The ZimFlores experience unders...


Prabhu, R.Haggith, M.Mudavanhu, H.Muetzelfeldt, R.Standa-Gunda, W.Vanclay, J.K.[ZimFlores: a model to advice co-management of the Mafungautsi forest in zimbabwe]ZimFlores: a model to advice co-management of the Mafungautsi forest in zimbabwe

While the berlett-Lewis model has been widely used for modelling rainfall processes at a fixed point in space over time, there are observed features, such as longer-scale dependence, which are not well fitted by the model. In this paper is a study of an extension where the authors put an extra la...


Salim, A.Pawitan, Y.[Extensions of the Bartlett-Lewis model for rainfall processes]Extensions of the Bartlett-Lewis model for rainfall processes

Studies predicting diameter at breast height (dbh) from stump height measurements are numerous but none had been conducted in Malinau distric, East Kalimantan. The objective of this study is to develop a relationship between stump height and dbh in order to predict dbh from diameter at estimated ...


Iskandar, H.Hubble, D.L.MacDicken, K.G.[Estimating DBH of commercial trees from stump measurement in Malinau, East Kalimantan]Estimating DBH of commercial trees from stump measurement in Malinau, East Kalimantan

We examined the changes in forest status and people’s livelihoods through building future scenarios for Chilimo Forest in Central Ethiopia where participatory forest management (PFM) is being implemented. Participatory methods were employed to collect data, and a dynamic modeling technique was ap...


Kassa, H.Campbell, Bruce M.Sandewall, M.Kebede, M.Tesfaye, Y.Dessie, GSeifu, A.Tadesse, M.Garedew, E.Sandewall, K.[Building future scenarios and uncovering persisting challenges of participatory forest management in Chilimo Forest, Central Ethiopia]Building future scenarios and uncovering persisting challenges of participatory forest management in Chilimo Forest, Central Ethiopia

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