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Effects of population and population pressure on forest resources and their conservation: a modeling study

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  • A. Misra
  • Kusum Lata
  • J. Shukla

Abstract

In this paper, a nonlinear mathematical model is proposed and analyzed to study the depletion of forest resources caused by population and the corresponding population pressure. It is assumed that the cumulative density of forest resources and the density of populations follow logistic models with prey–predator type nonlinear interaction terms. It is considered that the carrying capacity of forest resources decreases by population pressure, the main focus of this paper. A conservation model is also proposed to control the population pressure by providing some economic incentives to people, the amount of which is assumed to be proportional to the population pressure. The model is analyzed by using stability theory of differential equations and numerical simulation. The model analysis shows that as the density of population or population pressure increases, the cumulative density of forest resources decreases, and the resources may become extinct if the population pressure becomes too large. It is also noted that by controlling the population pressure, using some economic incentives, the density of forest resources can be maintained at an equilibrium level, which is population density dependent. The simulation analysis of the model confirms analytical results. Copyright Springer Science+Business Media Dordrecht 2014

Suggested Citation

  • A. Misra & Kusum Lata & J. Shukla, 2014. "Effects of population and population pressure on forest resources and their conservation: a modeling study," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 16(2), pages 361-374, April.
    • Handle: RePEc:spr:endesu:v:16:y:2014:i:2:p:361-374
    DOI: 10.1007/s10668-013-9481-x
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    References listed on IDEAS

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    1. Simplice A. Asongu & Brian A. Jingwa, 2012. "The role of human development on deforestation in Africa: a modelling-based approach," International Journal of Green Economics, Inderscience Enterprises Ltd, vol. 6(4), pages 317-330.
    2. Simplice A. Asongu & Brian A. Jingwa, 2012. "Population growth and forest sustainability in Africa," International Journal of Green Economics, Inderscience Enterprises Ltd, vol. 6(2), pages 145-166.
    3. Gakkhar, Sunita & Sahani, Saroj Kumar, 2009. "A model for delayed effect of toxicant on resource-biomass system," Chaos, Solitons & Fractals, Elsevier, vol. 40(2), pages 912-922.
    4. Misra, A.K. & Lata, Kusum, 2013. "Modeling the effect of time delay on the conservation of forestry biomass," Chaos, Solitons & Fractals, Elsevier, vol. 46(C), pages 1-11.
    5. Georgia Carvalho & Paulo Moutinho & Daniel Nepstad & Luciano Mattos & Márcio Santilli, 2004. "AN Amazon Perspective on the Forest-Climate Connection: Opportunity for Climate Mitigation, Conservation and Development?," Environment, Development and Sustainability: A Multidisciplinary Approach to the Theory and Practice of Sustainable Development, Springer, vol. 6(1), pages 163-174, March.
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