Deforestation in Dharmasraya District, West Sumatra, Indonesia A Causal Loop Diagrams (CLD) Model
Yurike, Yurike
Background and Objective: This study was motivated by changes in forest conversion to plantations and high rates of deforestation in the Dharmasraya district. By decree of the Ministry of Forestry in 2013, this area is designated as a Production Forest Management Unit area (PFMU) because of its potential for regional timber production. This study aims to understand the dynamics of the interaction between economic, social and ecological factors associated with deforestation in PFMU Dharmasraya. Materials and Methods: This research uses analysis of system thinking by modeling the causal loop diagram. Focus is placed on dynamics modeling of land use change in several related aspects. Result: The dynamic system model can illustrate that deforestation is triggered by weak law enforcement to provide an opportunity for people to make encroachment. This leads to the buying and selling of land, which encourages population growth as large numbers of migrants invest in this area. The increase in income will increase demand for land; thus, if regulations are not applied to the market mechanism, demand for land and plantations will outweigh the need for sustainability. Conclusion: The modeling of forest land conversion systems into plantations in PFMU areas shows that the existing system is not sustainable because it has not been able to preserve the existing system for long–term use. Land management policies are needed that can encourage sustainable development.
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