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Ecosistemas y recursos agropecuarios

versão On-line ISSN 2007-901Xversão impressa ISSN 2007-9028

Resumo

OLIVARES-PEREZ, Jaime et al. Uses of non-leguminous trees in silvopastoral systems in the south of the state of Mexico. Ecosistemas y recur. agropecuarios [online]. 2016, vol.3, n.8, pp.193-202. ISSN 2007-901X.

The objective was to characterize the livestock production units (LPU) and identify the forage importance, uses, and density of non-leguminous trees in silvopastoral systems in the south of the State of Mexico. Sixty-nine surveys were conducted to ascertain the current use of trees; on transects were evaluated their density, abundance and frequency; the diameter at breast height (DBH) and the height (h) of trees were measured metrically. The most important trees with regard to foraging were Guazuma ulmifolia (72.5 %) and Crescentia alata (63.8 %). These trees had the highest number of uses at seven and nine, respectively. The density of scattered trees and trees used for living fences was highest for G. ulmifolia (4.5 trees ha−1 and one tree per 100 linear m) and C. alata (7.2 trees ha−1 and 0.54 trees per 100 linear m). The DBH for scattered trees was highest for C. alata at 44.4 cm, while in the case of living fences it was highest for Ficus glabrata at 114.5 cm. We conclude that the outstanding PU accounting uses, foraging preference, and dasometric characteristics are accounted for by C. alata and G. ulmifolia, which as multiple purpose trees can be integrated in silvopastoral systems in the study area.

Palavras-chave : Uses; foraging preference; dasometric characteristics; trees; density.

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