Anatomy of leaves of six Pinus species from the state of Durango, México Autorzy: de la Paz Pérez Olvera, Carmen, Ceja-Romero, Jacqueline

“…México is the country with the highest number of Pinus species in the world, with around 49, of which in Durango there are registered 20. …”

Attributes of tree species and their capability of carbon capture in the municipality of Querétaro, México Autorzy: Soto-Correa, José Carmen, Cambrón-Sandoval, Víctor Hugo, Renaud-Rangel, Rebeca

El avance de la deforestación en México 1976-2007 Autorzy: Rosete-Vergés, Fernando, Pérez-Damián, José Luis, Villalobos-Delgado, Mariano, Navarro-Salas, Elda N., Salinas-Chávez, Eduardo, Remond-Noa, Ricardo

“…El presente trabajo busca conocer el avance de la deforestación en México, a partir del análisis del cambio de uso de suelo y vegetación entre la Serie I, 1976, y la Serie IV, 2007, del INEGI. …”

Growth dynamic of a tempered forest under management in the Northwest of Mexico Autorzy: Hernández-Salas, Javier, Aguirre-Calderón, Óscar A., Alanís-Rodríguez, Eduardo, Jiménez-Pérez, Javier, Treviño-Garza, Eduardo J., González-Tagle, Marco A., Luján-Álvarez, Concepción, Olivas-García, Jesús M., Domínguez-Pereda, L. Alfonso

“…The dynamics of the tree component of second-growth natural forests of Pinus in northwestern Mexico was analyzed. For this, the behavior of different dasometric parameters related to the density and dimensions of trees was evaluated, from data obtained previous to silvicultural interventions. …”

Use of 3-PG model to predict eucalypt biomass in Jalisco, México Autorzy: Guevara-Escobar, Aurelio, Cervantes-Jiménez, Mónica, Suzán-Azpiri, Humberto

Aboveground biomass and volume equations for Pinus halepensis Mill., in Coahuila, Mexico Autorzy: Montoya Jiménez, Juan C., Méndez González, Jorge, Sosa Díaz, Librado, Ruíz González, Cecilia G., Zermeño González, Alejandro, Nájera Luna, Juan A., Manzano Camarillo, Mario G., Velázquez Rodríguez, Alma S.

Carbon emissions from selective logging in the southern Yucatan Peninsula, Mexico Autorzy: Armenta-Montero, Samaria, Ellis, Edward A., Ellis, Peter W., Manson, Robert Hunter, Lopez-Binnqüist, Citlalli, Villaseñor Pérez, Juan Alberto

“…The central objective of this study was to evaluate biomass impacts and committed carbon emissions from selective logging in two forestry communities (ejidos with common forest use and rights) in the southern Yucatan Peninsula, Mexico. We compared emissions performance from logging operations in both ejidos, one of them certified as sustainably managed by the Forest Stewardship Council (FSC). …”

Postural analysis of the forestry worker in sawmills of El Salto, Durango, Mexico Autorzy: Aragón-Vásquez, Alondra Yareli, Silva-Lugo, Edwin Daniel, Nájera-Luna, Juan Abel, Méndez-González, Jorge, Hernández, Francisco Javier, de la Cruz-Carrera, Ricardo

“…In the sawmills of El Salto, Durango, Mexico, the level of risk of the work positions in people is unknown; therefore, the objective of this study was to perform a postural analysis in 15 workplaces. …”

The importance of a domestic garden in the conservation of corticolous macrolichens in Veracruz, Mexico Autorzy: Guzmán, Gastón, Pérez-Pérez, Rosa Emilia, Ramírez-Juárez, Julio Armando

Relationship between tree species richness and climate change in southeastern Mexico Autorzy: Santillán-Fernández, Alberto, Escobar-Castillo, Judith, Ireta-Paredes, Arely del Rocío, Espinosa-Grande, Ezequiel, Bautista-Ortega, Jaime, Chávez-Vergara, Bruno Manuel

“…The southeast of Mexico is the region with the greatest wealth of tree species in the country and potentially vulnerable to the effects of the future climate, therefore, the objective of this work was to relate the species richness and its modification to a climate change scenario in the southeast of Mexico. …”

Diagnostic of investments for environmental conservation programs in Mexico City, 2000-2018 Autorzy: Moreno Unda, Arcelia Amaranta, Perevochtchikova, María

“…In relation, various direct incentives for conservation (DIC) have been developed and applied; however, frequently there is an overlap of instruments and a lack of knowledge of total investments, therefore, the objective of this work has been to develop a first diagnosis of investments in environmental conservation programs in the Conservation Land of Mexico City, 2000-2018. For this, methodologically, the compilation and systematization of available official information (open data) from government programs at the federal and local levels were used, with the construction and analysis of a database of 500 documents (organized by institution, type of program, subprogram, year, amount, beneficiary), and visualization through a network of actors of formalized support ("provider-recipient"). …”

Air pollution removal by the urban forest in Las Palmas, Colima, Mexico Autorzy: Vázquez Arceo, Sunashi Elizabeth, Ramírez Rivera, María del Pilar, Arceo Díaz, Santiago, Solís Enríquez, J. Jesús

“…The objective of this study was to identify relevant species and specimens for improving air quality in the Las Palmas neighborhood, Colima, Colima, Mexico. In order to obtain the results of the amount of air pollution eliminated and emitted by species, it was necessary to inventory the specimens of trees and other woody plants located in public spaces of the residential area with a diameter at breast height equal to or greater than 2.54 cm, to later process their dasometric data with the i-Tree Eco v.6.0 software. …”

Dynamic modeling for diameter distribution on Pinus mixed stands in Durango, Mexico Autorzy: Quiñonez Barraza, Gerónimo, De los Santos Posadas, Héctor Manuel, Cruz Cobos, Francisco, Velázquez Martínez, Alejandro, Ángeles Pérez, Gregorio, Ramírez Valverde, Gustavo

Technological characteristics of the wood of two Quercus species from Durango, México Autorzy: Pérez Olvera, Carmen de la Paz, Dávalos-Sotelo, Raymundo, Limón Godina, Roberto, Quintanar Isaías, Paz Alejandra

Wood anatomy of three species of Mimosa (Leguminosae-Mimosoideae) occurring in Mexico Autorzy: Montaño-Arias, Susana Adriana, Camargo-Ricalde, Sara Lucía, Grether, Rosaura

“…The aim of this work was to carry out a comparative study of the wood anatomy of three Mimosa species: M. arenosa, M. lacerata y M. polyantha (Section Batocaulon); the first one is widely distributed along the Pacific slopes in Mexico, Nicaragua, Colombia, Venezuela and Brazil; while the other two are endemic to Mexico. …”

Hallucinogenic, Medicinal, and Edible Mushrooms in Mexico and Guatemala: Traditions, Myths, and Knowledge Autorzy: GASTON GUZMAN HUERTA

“…Interesting and mysterious Indian ceremonies in Mexico involving these mushrooms, which are a mixture of both Indian and Christian rites, are described. …”

An exotic species of earthworm preyed by Craugastor rhodopis (Anura: Craugastoridae) in Mexico Autorzy: JOSE LUIS AGUILAR LOPEZ, Eduardo Octavio Pineda Arredondo

Calathea leonoriae (Marantaceaer), una Nueva Especie de Veracruz, México. Autorzy: Maite Lascurain, Héctor Oliva Rivera Héctor Oliva Rivera, Sergio Avendaño

Pollination and nectar production of Psittacanthus schiedeanus (Loranthaceae) in central Veracruz, Mexico Autorzy: María Magdalena Ramírez Martínez, Juan Francisco Ornelas Rodríguez

“…G.Don (Loranthaceae), a mistletoe species that blooms in the late summer of the eastern cloud forests of Mexico and whose owers are mainly visited by hummingbirds. …”

Descubrimiento de Pitcairnia undulata Scheidweiler (Bromeliaceae) en Tabasco, México Autorzy: SERGIO ZAMUDIO RUIZ

“…Se registra por primera vez la presencia de Pitcairnia undulata Scheidweiler en México. La planta se colectó en las laderas calizas del Cerro del Madrigal, cerca de Teapa, Tabasco y se identificó como P. undulata, a pesar de las diferencias en el tamaño de algunas estructuras entre los ejemplares de Tabasco y la descripción original de la especie. …”