Reservoirs and nutrient dynamics in two stands of Pinus montezumae Lamb. in Tlaxcala, Mexico
| العنوان: | Reservoirs and nutrient dynamics in two stands of Pinus montezumae Lamb. in Tlaxcala, Mexico |
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| المؤلفون: | Luis U. Castruita-Esparza, José Amando Gil Vera-Castillo, Norma F. Lopez-Escobar, Alejandro Velázquez-Martínez, Armando Gómez-Guerrero, Aurelio M. Fierros-González |
| المصدر: | Revista Chapingo Serie Ciencias Forestales y del Ambiente. 24:115-129 |
| بيانات النشر: | Universidad Autonoma Chapingo, 2017. |
| سنة النشر: | 2017 |
| مصطلحات موضوعية: | 0106 biological sciences, Pinus montezumae, Limiting factor, Biomass (ecology), Nutrient cycle, 010504 meteorology & atmospheric sciences, Ecology, Soil nutrients, biology, Forestry, Destructive sampling, biology.organism_classification, 01 natural sciences, Nutrient, Agronomy, Litter, Environmental science, 010606 plant biology & botany, 0105 earth and related environmental sciences |
| الوصف: | Introduction: Nutrient cycle studies are important to propose sustainable methods in forestry. Objectives: To evaluate the reservoirs of N, P, K, Ca and Mg in trees, litter and mineral soil of two managed stands of Pinus montezumae Lamb.; estimate the decomposition rate of litter; and quantify the annual amount of nutrients required for tree growth. Materials and methods: The study was conducted in Nanacamilpa, Tlaxcala. The biomass and mass of nutrients in trunk, branches and leaves were estimated with a destructive sampling of 10 trees. Results and discussion: Dasometric data, reservoirs and nutrient dynamics were similar in both stands (t, P > 0.05). In mineral soil, the contents of N, P, K, Ca and Mg were 5 419, 68, 1 245, 9 163 and 2 029 kg·ha-1, respectively; and in aerial biomass were 242, 12, 28, 167 and 118 kg·ha-1, respectively. The decomposition rate of leaf-litter was -0.335. Trees require 73 to 81 kg·ha-1·year-1 of N, 5.2 to 5.3 kg·ha-1·year-1 of P and 9.4 to 10 kg·ha-1·year-1 of K to grow. Conclusion: Soil nutrients could maintain forest growth for 256 years, but P could be a limiting factor if sustainable harvest practices change. |
| تدمد: | 2007-4018 2007-3828 |
| DOI: | 10.5154/r.rchscfa.2017.09.055 |
| URL الوصول: | https://explore.openaire.eu/search/publication?articleId=doi_________::1bafdbf64ae61304516722e7e2bebeac https://doi.org/10.5154/r.rchscfa.2017.09.055 |
| Rights: | OPEN |
| رقم الانضمام: | edsair.doi...........1bafdbf64ae61304516722e7e2bebeac |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 20074018 20073828 |
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| DOI: | 10.5154/r.rchscfa.2017.09.055 |