Natural resins of Mexican plant species: current and potential end-uses Authors: Quiroz Carranza, Joaquín Antonio, Magaña Alejandro, Miguel Alberto

“...Plant exudates are regaining their place in the international market and Mexico has a rich coniferous flora, tropical hardwoods and temperate vines, trees, shrubs, and climbing plants which produce resins in varying amounts, having wide application in human activities. Plant exudates are considered minor forest produce (MFP) or non-timber forest products (NTFPs), and could reach or perhaps exceed the economic value of timber production. ...”

Estimación del tamaño de una poblacion de Abronia lythrochila Smith & Álvarez del Toro, 1963 (Reptilia: Anguidae) en la Estación Biológica San José, Chiapas, México Authors: Aranda Coello, Manuel, Lievano Oropeza, Paola

Comparación de la respuesta auditiva del tallo cerebral entre rana Catesbiana (Anura: Ranidae) y Sceloporus torquatus (Sauria: Phrynosomatidae) Authors: Morales Martínez, José De Jesús, González, Hugo

“...BAEP were recorded by means of one active needle electrode placed on the vertex. The common and ground electrodes were located on the opposite side of the head around the external opening of the ear. ...”

The use of indicator groups for measuring biodiversity as related to community structure and function Authors: Favila, Mario E., Halffter, Gonzalo

“...We further explore our previous proposals for the use of dung beetles belongmg ro the subfamily Scarabaeinae (Insecta: Coleóptera) as an indicator group for studying the types of communities found in tropical forests and derived formations, particularly those created by human activity. We present a method for obtaining quantifiable Information that allows comparative stuidies to be done, as well as an analysis of the effects ot human activilies that result in the alteration, fragmentation and destruction of natural communities. ...”

Efecto de la exclusión de insectos visitantes florales en el cuajado de frutos de Persea americana (Lauraceae) cv. Hass. Authors: Carabalí-Banguero, Diana C., Montoya-Lerma, James, Carabalí, Arturo

“...Three treatments were evaluated: (a) inflorescences exposed to insect activity (control), (b) covering of inflorescences with cloth bags, and (c) application of insecticide only once and covering of inflorescences with cloth bags. ...”

The scarab beetles of Santiago Xiacui, Sierra Norte, Oaxaca, Mexico. Authors: Ramírez-Ponce, Andrés, Allende-Canseco, Jazive, Morón, Miguel Angel

“...Adults of many species are active during May to August. High species richness was found in the forests, where the species of Phyllophaga, Paranomala, Xyloryctes, Deltochilum, Onthophagus and Vindex, are important consumers of roots, leaves, leaflitter, rotten wood, dung and carrion. ...”

Anthropogenic perturbation effects on tropical-forest hammock ecosystems in Campeche, Mexico Authors: Koyoc-Ramírez, Luz Gabriela, Mendoza-Vega, Jorge, Pérez Jiménez, Juan Carlos, Torrescano Valle, Nuria

“...Soils did not differ between the two classes of petenes, which suggests that the antropic activities have not caused a negative impact on them....”

Biocuration and biodiversity: process, successes, failures, solutions and perspectives Authors: Castillo, Maribel, Michán, Layla, Martínez, Armando Luis

“...The curation of biological digital data or biocuration is the activity of organizing, representing and making biological information accessible to human beings through computers. ...”

An updated floristic list for the Pedregal de San Ángel reserve, Mexico D.F. Authors: Valiente-Banuet, Alfonso, de Luna García, Efraín

“...Local extinction of taxa is associated to urbanization and robbery of ornamental species, activities that have not ceased....”

The impact of the hurricane Dean on the structure and arboreal composition of a managed forest in Quintana Roo, Mexico Authors: Navarro-Martínez, Angélica, Durán-García, Rafael, Méndez-González, Martha

“...It is proposed to reduce the number of “wood concentration” during logging activity, as well as to incorporate to management plans, the extraction of damaged trees. ...”

Priority areas for ecological restoration and reference sites in Chignahuapan-Zacatlan region Authors: González Ovando, María Luisa, Plascencia Escalante, F. Ofelia, Martínez-Trinidad, Tomás

“...It is therefore necessary to identify in a simple manner the areas to be restored and prioritize the activities. The main aim of this study was to use Multi-Criteria Evaluation to identify priority areas for ecological restoration in the Chignahuapan-Zacaltan region of Puebla, Mexico, and to use remote sensing to determine reference sites for restoration. ...”

Atividade de voo de UMA comunidade de Passalideos (Coleoptera: Passalidae) no alto rio Urubu, Amazonas, Brasil Authors: F. Burnheim, Paulo, Aguiar, Nair

“...Observations on the richness of the passalids, flight and dispersal activities, seasonality, relative abundance, sex ratio, number of colonies and number of each immature stage por colony, are reported and discussed....”

Mamíferos de cuatro áreas con diferente grado de alteración en el sureste de México Authors: Sánchez Hernández, Cornelio, Romero Almaraz, Ma. De Lourdes, Colín Martínez, Helisama, García Estrada, Carlos

“...The mammals from four areas of Southeastern Mexico were examined to compare the species diversity in areas characterized by various degrees of disturbance caused by human activities such as felling of trees, cattle grazing, and agriculture. ...”

Confirmación de presencia, registro de anidación, variación estacional de la densidad y uso de recursos para percha de la paloma turca (Streptopelia decaocto; Frivaldszky, 1838) en... Authors: Maya-Elizarrarás, Elisa, Maya-Elizarrarás, Luis Manuel

“...The Eurasian-collared Dove (Streptopelia decaocto) is an invasive species in North America in the country process of active expansion. Their impact on native biodiversity and public health highlight the importance of knowing patterns of establishment (timing of establishment, population size and dispersion patterns), and potential biotic interactions with other species. ...”

Comportamiento de Calidris alba (Scolopacidae) en el Humedal Costero Poza de la Arenilla, la Punta, Callao, Perú Authors: Podestá, Jorge, Franke, Irma, Barona, Daniel, Aponte, Héctor

“...Knowledge of the behavior patterns of C. alba allows obtaining relevant information to continue contributing to the ethology of this species and recognize the activities that frequently realized in coastal wetlands, laying the foundations for future work related to the behavior of different species of shorebirds in conservation areas, places that receive hundreds of individuals of these and other species each year....”

Análisis de diversidad del complejo gallina ciega (coleoptera: melolonthidae) en dos sistemas de producción tradicional de maíz en la región purhépecha, Michoacán Authors: Pérez-Agis, Silvia Esperanza, Morón, Miguel Ángel, Najera-Roncón, Miguel Bernardo, López-Barbosa, Edmundo, Vazquez-García, Marcelino

“...The present study offer information on the composition of the white grub species complex (CGC) at Purhepecha Region in two different crop conditions and show some relations between the abundance of species and their annual activity in the maize fields. The study was made at San Felipe de los Herreros in the Purhepecha Plateau and San Francisco Uricho near Lake Pátzcuaro during 10 months. ...”

Flora and vegetation of the municipality of Álamo Temapache, Veracruz, Mexico Authors: Francisco-de la Cruz, Axel, Villarreal-Quintanilla, José A., Estrada-Castillón, A. Eduardo, Jasso-Cantú, Diana

“...The weed community is the most extensive in the area, followed by induced grassland and tropical deciduous forest.Conclusions: The area has been radically changed by anthropic activities, only 8% of the original vegetation remains....”

Phytosociology and phytodiversity of Laguna Quila, Lagunas de Zempoala, Nacional Park, Mexico Authors: Islebe, Gerald, Almeida-Leñero, Lucía, Cleef, Antoine M., ter Weijden, Ronald

“...In order to protect this lake it is recommended to control the water extraction of the laguna, to exclude cattle and other activities who can affect indirectly Laguna Quila....”

Strategic analysis of the forest productive chain in the region of the Monarch Butterfly Biosphere Reserve Authors: Rodríguez Zúñiga, Joel, González Guillén, Manuel de Jesús, Valtierra Pacheco, Esteban

“...The degree of integration of the community forest enterprises allows members to perform more activities in the links of production, maintenance, protection, supply and processing, and it represents greater social organization and a culture of rational exploitation and conservation of forest resources. ...”

Modeling anthropic factors as drivers of wildfire occurrence at the Monarch Butterfly Biosphere Authors: Farfán Gutiérrez, Michelle, Pérez-Salicrup, Diego R., Flamenco-Sandoval, Alejandro, Nicasio-Arzeta, Segio, Mas, Jean-François, Ramírez Ramírez, Isabel

“...Fire regimes in coniferous forests in Central Mexico have been severely disturbed by land use change and fire management activities. Hence, it is critical to assess the contribution of anthropic and environmental factors that drive the occurrence of fires in these forests. ...”