The Premature Mortality of Sabinos or Montezuma Bald Cypress ( Taxodium mucronatum Ten.) in the State of Durango, Mexico

Maria Elena Perez-Lopez (), Alejandro Leal-Saenz, Maria Elena Ortiz-Olivas, Fermin Ramirez-Crescencio and Ariana Elizabeth Arreola-Ortiz
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Maria Elena Perez-Lopez: Instituto Politécnico Nacional, CIIDIR Unidad Durango, Sigma 119, Fracc. 20 de Noviembre II, Durango 34220, Mexico
Alejandro Leal-Saenz: Instituto Politécnico Nacional, CIIDIR Unidad Durango, Sigma 119, Fracc. 20 de Noviembre II, Durango 34220, Mexico
Maria Elena Ortiz-Olivas: Maestría Institucional en Ciencias Agropecuarias y Forestales, Universidad Juárez del Estado de Durango, Apdo. Postal 741. Zona Centro, Durango 34000, Mexico
Fermin Ramirez-Crescencio: Instituto Politécnico Nacional, CIIDIR Unidad Durango, Sigma 119, Fracc. 20 de Noviembre II, Durango 34220, Mexico
Ariana Elizabeth Arreola-Ortiz: Instituto Politécnico Nacional, CIIDIR Unidad Durango, Sigma 119, Fracc. 20 de Noviembre II, Durango 34220, Mexico

Sustainability, 2024, vol. 16, issue 23, 1-14

Abstract: The juniper ( Taxodium mucronatum Ten. of the Cupressaceae family) is a long-lived species that forms gallery forests. Dozens of dead junipers > 100 years old have been identified in the San Pedro Mezquital watershed in Durango, Mexico. This work determines the causes of death of these specimens. The work was carried out in the field and in the laboratory, where in the former the surface of the damaged trees was identified, together with the changes observed in the watercourses. In the latter, sabino seedlings were transported to the work center and exposed for 7 days in containers with gravel to five types of wastewater generated in the region. With the above, the conditions experienced by the adult trees in the field were studied, as well as the sensitivity of the young specimens to the types of water quality, and the differences were validated with ANOVA tests. Five sites with dead junipers were found, ranging in size from 0.5 to 4 ha, with ages between 200 and 400 years. It was found that during the dry season, water is diverted to irrigated areas, leaving some areas without water for several months. The shoots survived in most of the water qualities, except the one with high salinity (3.34 mS/cm). It is concluded that the lack of water in the rivers had a stronger influence than the water quality and is the probable cause of the death of the sabino.

Keywords: wastewater; gallery forest; water quality; water quantity; seedling survival (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2024
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