TITLE

CLASIFICACIÓN DE LAS COMUNIDADES VEGETALES EN LA REGIÓN ÁRIDA DEL ESTADO DE CHIHUAHUA, MEXICO

AUTHOR(S)
Sosa, Manuel; Galarza, José Luis; Lebgue, Toutcha; Soto, Ricardo; Puga, Soraya
PUB. DATE
December 2006
SOURCE
Ecologia Aplicada;2006, Vol. 5 Issue 1/2, p53
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Desert plant communities are characterized by specific fragile conditions due to environmental factors. The Desert Ecosystem plays a very important role, not only for the wide area occupied but also for its specific characters and species diversity, some of which are considered endangered. The objective of this study was to define classes, vegetation associations and area occupied within the study zone using plant cover values and presence of plant species. Data were obtained from 110 sampling sites, through the GAP Analysis methodology. Cluster analysis method to group homogeneous classes with plant cover and species structure applying the Ward minimum variance technique was used. Results depicted similarity among observed sites (r2 = 80,93) which means good confidence in the associations; three groups were identified with 2 clusters each. Group 1 with 23 sites and 9 dominant species; group 2 with 28 sites and 2 dominant species; and group 3 with 58 sites and 7 dominant species. Plant species present in the area with more than 50% cover are: Larrea tridentata and Prosopis glandulosa.
ACCESSION #
24821464

 

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