Optimal post-stratification for the study of the sustainability: An application to the monitoring of diversity in Sierra de Guerrero |
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Authors: | Sira Allende Carlos Bouza Dante Covarubias |
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Institution: | 1. Universidad de La Habana, Havana, Cuba 2. Universidad Autónoma de Guerrero, Acapulco, Mexico
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Abstract: | The need of designing a monitoring network in Sierra de Guerrero motivated this paper. The study of the effect of deforestation of the forest needs of monitoring in the diversity. A quantitative evaluation of diversity is measured by estimating an index. Commonly the monitoring of biodiversity is based on the periodical selection of samples for evaluating the diversity. We propose to use sample information for determining post strata. They must constitute homogeneous zones in the forest. A stochastic program is developed for determining the post strata to be used for sampling. The procedure seems to be a good alternative with respect to the use of a heuristic procedure. The results presented are based on the data obtained in a research developed at one of the most important forest diversity reservoirs of Mexico |
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