Depletion and deforestation of forest resources are mainly due to industrialization, population, pollution, forest fire, improper commercial logging, and illegal logging in the world. In this paper, we consider two dynamic models. A mathematical Model 1 is proposed considering the forest biomass density , the density of wood‐based industries with unknown parameter . Model 2 is an extension of Model 1 with the density of illegal logging with unknown parameter . It is assumed that the density of forest biomass grows logistically in the absence of wood‐based industries and illegal logging. In the proposed models, the controlling parameters and are crucial parameters for the local stable conditions of the equilibrium points and system control. We also show in this paper that it is possible to control illegal logging by increasing the level of logging by selecting system parameters efficiently and effectively.Recommendations for Resource Managers Depletion and deforestation of Mongolian forest resource are mainly due to forest fire, illegal logging. We consider mathematical models of forest depletion due to forest operation and illegal logging. Mongolian forest's current situation is that the rate of illegal logging is higher than the wood‐based industries. We show that this situation can be changed by changing the parameters. Based on the mathematical modeling and statistical analysis, we define the upper bound of the rate of resources of the wood‐based industries. We also presented that it is possible to control the parameters efficiently. The result suggests that to approximate the limit of wood utilized for the nationwide supply from the government it is necessary to increase the current amount of forest utility considering the actual forest resources and demands.
Nowadays, consumers have a full of knowledge on products and services, and their daily consumption of healthy and environmentally friendly products has been increasing. Therefore, businesses need to implement green marketing activities, so they need to be aware of environmental issues and consumer needs while maintaining financial sustainability and competitiveness. (Belz & Karstens, 2002). Examples are the rapid growth of organic food products, as consumers are concerned with their health and environmental issues in their day-to-day purchasing decisions. Over 20 years ago, in 1999, the market for organic food products sales was $ 15.2 billion, while sales in 2017 increased to $ 97 billion, indicating that the world's organic food market is growing rapidly. The organic food market is growing by $5 billion a year, and as of 2014, 172 countries have organic food farm land according to the “The World of Organic Agriculture”. Since the market for organic products is a new market for Mongolia, previous surveys in are relatively small. Therefore, this is aimed at conducting a study on behavioral approaches of consumers of organic food products in Ulaanbaatar. We have run statistical and multi-criteria decision making analysis based on given data of consumers. We also apply Harker’s techniques for complete and incomplete evaluation matrices which are defined from consumers decision making. Numerical examples are presented.
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