DOES GRAZING AFFECT NITROGEN COMPOUNDS IN Neltuma laevigata IN NORTHERN MEXICO FORESTS?

Autores

  • Luis Manuel Valenzuela-Nunez Universidad Juárez del Estado de Durango - Facultad de Ciencias Biológicas - Laboratorio de Biología y Ecología Forestal - Durango, México https://orcid.org/0000-0002-3385-3005
  • Sergio Andrés Torres-Arellanes
  • Leticia Romana Gaytán-Alemán
  • Edwin Amir Briceño-Contreras
  • Enrique Melo-Guerrero
  • Cayetano Navarrete Molina

DOI:

https://doi.org/10.5380/rf.v55i1.94713

Palavras-chave:

Total soluble amino acids, soluble total proteins, tree physiology, semi-arid vegetation

Resumo

Mesquite forests Neltuma laevigata functions as a nourishment source mainly for beef cattle. This study was carried out in order to find if mesquite forests are affected by the grazing, particularly on nitrogen compounds due to its importance in the vegetal growth and tree development. The objective of this study was to determine if the extensive grazing has influence over the concentration of the nitrogen components (total amino acids (TAA) and total soluble proteins (TSP)) in mesquite forest.  Root and stem samples in adult trees were taken monthly during twelve months in two pure mesquite stands, one of them with grazing activity. TSP and TAA concentrations were determined by visible UV spectrophotometry. The results shown that grazing has assimilation effects in nitrogen compounds in trees of the mesquite wild populations. The root and stem in the site without grazing activities showed higher concentrations of nitrogen compounds in comparison with the site where grazing is present as an anthropogenic activity.

Biografia do Autor

Luis Manuel Valenzuela-Nunez, Universidad Juárez del Estado de Durango - Facultad de Ciencias Biológicas - Laboratorio de Biología y Ecología Forestal - Durango, México

1Universidad Juárez del Estado de Durango - Facultad de Ciencias Biológicas - Laboratorio de Biología y Ecología Forestal - Durango, México

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Publicado

29-01-2025

Como Citar

Valenzuela-Nunez, L. M., Torres-Arellanes, S. A., Gaytán-Alemán, L. R., Briceño-Contreras, E. A., Melo-Guerrero, E., & Navarrete Molina, C. (2025). DOES GRAZING AFFECT NITROGEN COMPOUNDS IN Neltuma laevigata IN NORTHERN MEXICO FORESTS?. FLORESTA, 55(1), e94713. https://doi.org/10.5380/rf.v55i1.94713

Edição

v. 55 n. 1 (2025)

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Artigos

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