EVALUACIÓN DE UNA PLANTACIÓN DE Pinus greggii Engelm. CON DOS ESPACIAMIENTOS

Flores, H. Jesús Muñoz; Ávalos, Víctor Manuel Coria; Sánchez, Juan Antonio; Bautista, Efraín Velasco; Molina, Gabriel Martínez

doi:10.29298/rmcf.v3i11.517

Cited by 6 publications

(4 citation statements)

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“…In general, the growth variables (DB, ND and TH) as a function of age had a positive behavior, that is to say, as the age of the reforestation increases, it also increases DB, ND and TH. Muñoz et al, [22] also found that the height and normal diameter of trees increased with age in a Pinus greggii plantation in the Sierra Purépecha in Michoacán, Mexico. Figure 2 shows the average TH of the trees by age and their standard error.…”

Section: Effect Of Age On the Growth Of Pinus Greggiimentioning

confidence: 88%

Estimation of Carbon Stored in Reforestations in The Mixteca Alta of Oaxaca, Mexico

Gardezi

Jiménez

Berber

et al. 2019

WJASS

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Background and objective: Mexico is one of the countries with the highest soil degradation due to erosion in Latin America. One of the most affected areas is the Mixteca Alta of Oaxaca, Mexico which presents advanced degradation processes. Where reforestation has been implemented as a restoration strategy. Which will allow recovering some ecosystem functions, such as protection against erosion and carbon capture. Materials and Methods: In the present study, aerial biomass, aerial carbon and soil organic carbon (SOC) were estimated in reforestation of Pinus greggii of different ages (1 to 8 years) with soil clearing under two slope conditions in the northern zone of the Mixteca Alta of Oaxaca. Aerial biomass and aerial carbon were obtained by allometric equations. The organic carbon content of the soil was estimated from the soil organic matter (OM), which was evaluated by the method proposed by Walkley and Black [1]. Results:The content of aerial biomass and aerial carbon increased with the age of reforestation and varied according to the slope. Finding the highest values in reforestation of 8 years of age on slopes of 1-5° (41.08 ± 1.43 and 20.95 ± 0.73). In the case of SOC, only the effect of age was observed, with the highest values also being found in reforestation of 8 years of age on slopes of 1-5° (23.68 ± 0.85). Conclusion:Reforestation, in addition to contributing to soil protection against erosion, also has the potential to capture carbon in the aerial biomass and in the soil. Which will be reflected in the quality of the soil and the services that a forestry system can provide.

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Section: Effect Of Age On the Growth Of Pinus Greggiimentioning

confidence: 88%

Estimation of Carbon Stored in Reforestations in The Mixteca Alta of Oaxaca, Mexico

Gardezi

Jiménez

Berber

et al. 2019

WJASS

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“…Sin embargo, las reforestaciones efectuadas con ayuda de PROBOSQUE, han tenido resultados poco promisorios, debido a que el porcentaje de sobrevivencia de las plantas en diversas regiones del Estado de México, ha sido del 38% (Torres, 2021), porcentaje inferior al rango aceptable de 50-60% en las especies de pinos más utilizadas, como Pinus greggii (Muñoz et al, 2012). Actualmente, PROBOSQUE busca elevar los porcentajes de sobrevivencia, implementando programas de incentivos económicos a los predios reforestados que tengan más del 40% de sobrevivencia (PROBOSQUE, 2023b).…”

Section: Introductionunclassified

Deforestación y reforestación en la Sierra de Guadalupe, Estado de México, como un sistema social en red.

Olivares-Rosas,

Nuñez Espinoza,

Navarro-Garza

et al. 2024

ASYD

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La deforestación es una problemática compleja y multifactorial. En México, este fenómeno se agudiza por la urbanización en las zonas metropolitanas. En la Cuenca de México, se encuentra la Sierra de Guadalupe, un Área Natural Protegida que ha sido devastada continuamente por los asentamientos humanos. En la porción de la sierra ubicada en el Estado de México, se ha tratado de contrarrestar la deforestación con reforestaciones en zonas degradadas. Sin embargo, estas actividades se han visto modificadas por las realidades sociales, económicas y políticas de dicha zona. El objetivo, fue analizar el proceso de reforestación en la Sierra de Guadalupe en el Estado de México, en el periodo 2009-2020, utilizando el análisis de redes sociales y la representación estructural generada entre actores sociales, lugares reforestados y especies empleadas. Los resultados mostraron que se han reforestado 416.9 hectáreas, incidiendo en 75 localidades, donde han participado alrededor de 300 actores sociales, utilizándose 50 especies, de las cuales, únicamente 15 son nativas del ecosistema de la Sierra de Guadalupe. Se observó una distribución desigual de los recursos utilizados en las reforestaciones, entre los municipios analizados (Coacalco, Ecatepec, Tlalnepantla y Tultitlán), a pesar de ser parte del mismo corredor ecológico.

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“…It is necessary to promote genetic improvement programs that allow the safeguarding, propagation and improvement of genotypes of high ecological, commercial and cultural value (Neale & Kremer, 2011;Wheeler et al, 2015;Gray et al, 2016). Likewise, genetic improvements may allow for the obtaining of better survival and productivity results in commercial forest plantations, which in Mexico have an approximate annual mortality rate of 45% (Muñoz-Flores et al, 2012;Rosales-Mata et al, 2015). In northern Mexico and the southern United States of America, P. engelmannii and P. arizonica Engelm var.…”

Section: Introductionmentioning

confidence: 99%

Peer Review #2 of "Survival of side grafts with scions from pure species Pinus engelmannii Carr. and the P. engelmannii × P. arizonica Engelm. var. arizonica hybrid (v0.1)"

2020

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Grafting is one of the most widely used methods for vegetative propagation, particularly for multiplying trees considered important, but there has been little research done on the effect of hybridization on grafts from the genus Pinus. Sometimes hybrids show the ability to reproduce and adapt efficiently to the environment. However, they reduce the genetic gain of seed orchards. The objective in this research was to evaluate the effect of scion grafts from pure species donor Pinus engelmannii Carr. and from putative hybrid trees P. engelmannii. x P. arizonica Engelm., grafted on rootstocks of pure species Pinus engelmannii, along with the effect of the position of the scion in the donor tree crown (upper third and middle third). The scions were collected from three pure species trees and three hybrids. In each tree, 20 scions were collected from each third of the crown evaluated. 120 side-veneer grafts were made at the beginning of spring (March) 2018. Variance analyses were performed to evaluate the treatments and adjustments of the Logit and Weibull models to obtain the probability of graft survival. Significant differences were found between the origins of scions (p ≤ 0.0083, after Bonferroni correction), showing grafts with hybrid tree scions taking hold better. In addition, the probability of survival at five months after grafting with hybrid tree scions was greater (p ≤ 0.0001) than in grafts with pure-species tree scions (Logit model), which coincides with the results of the Weibull model, which indicated that the probability of graft death with pure species donor tree scions is greater than for grafts with hybrid scions. There were no significant differences regarding the position of the scion in the donor tree crown.

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EVALUACIÓN DE UNA PLANTACIÓN DE Pinus greggii Engelm. CON DOS ESPACIAMIENTOS

Cited by 6 publications

References 0 publications

Estimation of Carbon Stored in Reforestations in The Mixteca Alta of Oaxaca, Mexico

Estimation of Carbon Stored in Reforestations in The Mixteca Alta of Oaxaca, Mexico

Deforestación y reforestación en la Sierra de Guadalupe, Estado de México, como un sistema social en red.

Peer Review #2 of "Survival of side grafts with scions from pure species Pinus engelmannii Carr. and the P. engelmannii × P. arizonica Engelm. var. arizonica hybrid (v0.1)"

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