By Joseph Buongiorno
Decision tools for wooded area source Management makes a speciality of choice making for forests which are controlled for either ecological and monetary goals. the basic sleek determination tools utilized in the medical administration of forests are defined utilizing uncomplicated algebra, computing device spreadsheets, and diverse examples and purposes. Balanced remedy is given in the course of the booklet to the ecological and fiscal affects of different administration judgements in either even-aged and uneven-aged forests.
- In-depth assurance of either ecological and monetary issues
- Hands-on examples with Excel spreadsheets; digital types on hand at the authors' website
- Many comparable routines with solutions
- Instructor's guide on hand upon request
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Extra info for Decision Methods for Forest Resource Management
Formulate this problem as a linear program, defining the units of all decision variables, coefficients, and parameters in the model. 8 You and your partner own a ranch on which you raise sheep and cows. You love cows, but your partner is all for sheep. The ranch produces 1200 animal-unit months (AUM) of forage per year. An AUM is the amount of forage necessary for the sustenance of one cow for a month. 20 AUM per month. The average profit from a cow is $300/y, compared to $100/y from a sheep. After intense discussion, you and your partner have agreed to a compromise in which you will keep at least 100 sheep and 50 cows on the ranch, but no more than 200 animals in total.
Stochastic models, in which the random nature of some parameters is considered explicitly, will be examined in Chapters 12 and 13 (on network analysis and dynamic programming), in Chapters 14 and 15 (on simulation), and in Chapters 16 and 17 24 Decision Methods for Forest Resource Management (on Markov chains). Interestingly, the linear programming method will turn out to be useful even to solve some stochastic problems. 7 CONCLUSION The two examples considered in this chapter have shown the flexibility of linear programming.
For ease of learning and application, modern spreadsheets have become the ideal software to handle many management models. Throughout this book, we shall give examples of modeling with the Excel software. Like several other spreadsheets, Excel contains a Solver to find the best solution of linear programs and other problems. 1 shows how the poet’s problem can be formulated in a spreadsheet. All the fixed parameters, that is, the data, are in bold characters, while the variables, or the cells that depend on the variables, are not.