Articles
POTENTIAL BIOGEOGRAPHIC DISTRIBUTION OF GUAVA (PSIDIUM GUAJAVA L.) IN MEXICO
Article number
849_5
Pages
55 – 62
Language
English
Abstract
This research was conducted with the purpose of knowing the potential distri¬bution of the current species of Psidium guajava L. in Mexico by the analysis of the Geographic Information Systems (GIS) from passport data of herbarium collections.
Guavas were biogeographically divided into two major groups whose distribution is due to variable weather conditions (temperature, precipitation) and elevation.
It is more likely to find similarities with the regions where tropical vegetation develops in a natural way, such as the slopes in the Gulf of Mexico and Pacific, some parts of the central region of Mexico, and the Yucatan Peninsula.
The first group was placed around 121 meters of altitude, with maximum temperatures ranging between 26 and 33°C, the minimum temperature between 17 and 24°C with an annual average of 25.4°C, and an annual total precipitation of 1400 mm.
The second group is developed around 1187 meters of altitude, with maximum temperatures between 22 and 30°C, minimum temperatures between 9 and 17°C with annual average of 19.9°C, and an annual total precipitation of 1364 mm.
The use of GIS makes the location of potential climatic zones easier for the development of plant genetic resources so that GIS can be used as a tool to delineate areas of collecting plant material either for purposes of identification, preservation, establishment of breeding programs or management of germplasm banks.
Guavas were biogeographically divided into two major groups whose distribution is due to variable weather conditions (temperature, precipitation) and elevation.
It is more likely to find similarities with the regions where tropical vegetation develops in a natural way, such as the slopes in the Gulf of Mexico and Pacific, some parts of the central region of Mexico, and the Yucatan Peninsula.
The first group was placed around 121 meters of altitude, with maximum temperatures ranging between 26 and 33°C, the minimum temperature between 17 and 24°C with an annual average of 25.4°C, and an annual total precipitation of 1400 mm.
The second group is developed around 1187 meters of altitude, with maximum temperatures between 22 and 30°C, minimum temperatures between 9 and 17°C with annual average of 19.9°C, and an annual total precipitation of 1364 mm.
The use of GIS makes the location of potential climatic zones easier for the development of plant genetic resources so that GIS can be used as a tool to delineate areas of collecting plant material either for purposes of identification, preservation, establishment of breeding programs or management of germplasm banks.
Authors
E. Cázares-Sánchez, C.A. Núñez-Colín, J.L. Domínguez-Álvarez, C.C. Luna-Morales, R.I. Rojas-Martínez, S. Segura-Ledesma
Keywords
tropical species, GIS, plant genetic resources
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