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Forests 2015, 6(5), 1598-1612; doi:10.3390/f6051598

Extinction Risk of Pseudotsuga Menziesii Populations in the Central Region of Mexico: An AHP Analysis

1
Graduate School of Forest Sciences, Colegio de Postgraduados, Km. 36.5 Carr. México-Texcoco, Montecillo, Edo. de México 56230, Mexico
2
Experimental Site Tlaxcala, INIFAP, Km. 2.5 Carr. Tlaxcala-Santa Ana Chiautempan. Tlaxcala, Tlaxcala 90800, Mexico
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Diana F. Tomback
Received: 4 March 2015 / Revised: 24 April 2015 / Accepted: 27 April 2015 / Published: 5 May 2015
(This article belongs to the Special Issue Biodiversity and Conservation in Forests)
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Abstract

Within the Analytic Hierarchy Process (AHP) framework, a hierarchical model was created considering anthropogenic, genetic and ecological criteria and sub-criteria that directly affect Douglas-fir (Pseudotsuga menziesii (Mirb.)) risk of extinction in central Mexico. The sub-criteria values were standardized, weighted, and ordered by importance in a pairwise comparison matrix; the model was mathematically integrated to quantify the degree of extinction risk for each of the 29 populations present in the study area. The results indicate diverse levels of risk for the populations, ranging from very low to very high. Estanzuela, Presa Jaramillo, Peñas Cargadas and Plan del Baile populations have very low risk, with values less than 0.25. On the other hand, Vicente Guerrero, Morán, Minatitlán, La Garita and Tonalapa populations have very high risk (>0.35) because they are heavily influenced by anthropogenic (close to roads and towns), ecological (presence of exotic species and little or no natural regeneration) and genetic (presence of mature to overmature trees and geographic isolation) factors. In situ conservation activities, prioritizing their implementation in populations at most risk is highly recommended; in addition, germplasm collection for use of assisted gene flow and migration approaches, including artificial reforestation, should be considered in these locations. View Full-Text
Keywords: Douglas-fir; risk analysis; conservation of populations; Analytic Hierarchy Process (AHP); multi-criteria evaluation; assisted gene flow Douglas-fir; risk analysis; conservation of populations; Analytic Hierarchy Process (AHP); multi-criteria evaluation; assisted gene flow
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

López-Upton, J.; Valdez-Lazalde, J.R.; Ventura-Ríos, A.; Vargas-Hernández, J.J.; Guerra-de-la-Cruz, V. Extinction Risk of Pseudotsuga Menziesii Populations in the Central Region of Mexico: An AHP Analysis. Forests 2015, 6, 1598-1612.

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