The endemic element of the Chihuahuan Desert vascular flora Authors: Villarreal-Quintanilla, José A., Bartolomé-Hernández, Jenry A., Estrada-Castillón, Eduardo, Ramírez-Rodríguez, Homero, Martínez-Amador, Silvia J.

“...Nine genera are exclusive to the DCH. The dominant biological forms are perennial herbs and shrubs, frequently distributed in the xeric shrubland. ...”

Is Oncidium poikilostalix an invasive species? Population ecology and reproductive behavior of this epiphytic orchid in Chiapas, Mexico Authors: García-González, Alfredo, Riverón-Giró, Frander Brian, Damon, Anne, Raventós, José, Aguilar-Romero, Osiris

“...Background and Aims: Biological invasions are considered as second to habitat loss as a cause of the extinction of species. ...”

Floristic inventory and vegetation of the crater of the Alberca de Teremendo, Michoacán, Mexico Authors: Contreras León, Jesus, Silva Sáenz, Patricia

“...The objectives of this study were to prepare a list of its vascular flora and describe its vegetation.Methods: Twenty-seven field trips were conducted between October 2013 and September 2015, collecting plant material recording habitat, vegetation and biological form of the species. Vegetation was described regarding its composition, structure and location. ...”

Classifications and perceptions associated with knowledge of the firewood used in a rural community of Chaco Seco (Catamarca, Argentina) Authors: Jiménez-Escobar, N. David

“...The need is emphasized to address the social dynamics related to the environment from the field itself, as a way of knowing local priorities and channeling efforts for biological and cultural conservation....”

Flora of the tropical deciduous forest in a gypseous and calcareous area, Colima, Mexico Authors: Harker, Mollie, Hernández-López, Leticia, Muñiz Castro, Miguel Angel

“...The objective here is to document the diversity of vascular plants in this site providing evidence which sustains its biological relevance. Methods: Revisions of bibliography and material in the herbaria IBUG and MICH were made. ...”

Notes on the marine algae of the International Biosphere Reserve Seaflower, Caribbean Colombia VIII: new records of red algae (Rhodophyta) from San Andres, Old Providence, and Sain... Authors: Reyes-Gómez, Viviana Patricia, Velásquez Pomar, Hernán, Gavio, Brigitte

“...All specimens were deposited in the herbarium JIW of the Biology Department of the Universidad Nacional de Colombia, Bogotá, Colombia. ...”

Species richness of the vascular plants of the Bijagual high Andean forest, Colombia Authors: Gil Leguizamón, Pablo Andrés, Morales-Puentes, María Eugenia, Carrillo-Fajardo, Merly Yenedith

“...Conclusions: Bijagual is a biological corridor with great potential for biodiversity compared to other high Andean areas in Colombia. ...”

Taxonomic composition and substrate affinity of conspicuous marine macroalgae of the Parque Nacional Arrecifes de Cozumel, Quintana Roo, Mexico Authors: Carranza Ramirez, Anahi, Calva Benítez, Laura Georgina, Núñez Resendiz, María Luisa

“...Given the importance of the Parque Nacional Arrecifes de Cozumel, our results, in addition to offering updated information, represent a starting point for studies in conservation biology....”

ESCARABAJOS (SCARABAEIDAE: PLEUROSTICTI) DE LA SELVA BAJA DEL BOSQUE PLUVIAL TROPICAL «BP-T», CHOCÓ, COLOMBIA Authors: Neita M., Jhon César, Orozco A., Jesús, Ratcliffe, Brett

“...A taxonomic key to identify the 65 species gathered is included. Biological and ecological comments for these species are also provided....”

Can low concentration flufenoxuron treatment increase the pathogenicity or production of nucleopolyhedrovirus occlusion bodies in Spodoptera exigua (Hübner) or Spodoptera frugiperd... Authors: Pressa-Parra, Ehdibaldo, Navarro-de-la-Fuente, Laura, Williams, Trevor, Lasa, Rodrigo

Diversity variation in understory forest birds in Lagos de Montebello National Park, Chiapas, Mexico. Authors: Rangel-Salazar, José Luís, Enríquez, Paula L., Sántiz López, Eugenia C.

Ecological anatomy of the wood of two Mexican taxa of the genus Mimosa (Leguminosae-Mimosoideae) Authors: Montaño-Arias, Susana Adriana, Camargo-Ricalde, Sara Lucía, Grether, Rosaura, Díaz-Pontones, David

“...Background and Aims: Eco-anatomical studies enable the estimation of the response of taxa to different environmental factors. Considering the biological and ecological relevance of the genus Mimosa, the adaptive possible responses of two endemic Mexican taxa were estimated, M. aculeaticarpa var. aculeaticarpa y M. luisana, through the eco-anatomical analysis of their wood, in order to evaluate their resistance and tolerance to changes in precipitation.Methods: Three trees of similar size and coverage per taxon, were collected. ...”

Morphometric and anatomical characters of fruits and seeds of a population of Prosopis laevigata (Fabaceae) in Lagos de Moreno, Jalisco, Mexico Authors: García Azpeitia, Lilia, Labrada-Delgado, Gladis Judith, Montalvo-González, Efigenia, Loza-Cornejo, Sofía

“...This study is the first to address the morpho-anatomy and histochemistry of the fruit and seed of P. laevigata and aims to contribute to the knowledge of its biology, as well as provide the basis for other research with an ecophysiological approach of this and other species of the genus. ...”

Growth and yield system for teak plantations (Tectona grandis L. f.) in Campeche, Mexico Authors: Tamarit-Urias, Juan Carlos, De los Santos-Posadas, Héctor Manuel, Aldrete, Arnulfo, Valdez-Lazalde, José René, Maldonado, Hugo Ramírez, Guerra-De la Cruz, Vidal

“...Both analyses considered the statistic accuracy and biologically realistic predictions. The mortality function was associated with the initial planting density and also it was sensitive to the site index. ...”

Avifauna de los Pueblos Santos de la Sierra Madre del Sur de Guerrero: análisis de la riqueza y recambio taxonómico entre tipos de vegetación Authors: Sierra-Morales, Pablo, Álvarez-Álvarez, Edson A., Almazán-Núñez, R. Carlos, Jiménez-Hernández, Javier, Méndez-Bahena, Alfredo

“...The Sierra Madre del Sur is a region biologically important for its high levels of richness and endemism. ...”

Hábitos forrajeros de Ammotragus lervia (Pallas, 1777) (Artiodactyla: Bovidae) en matorral desértico rosetófilo de Coahuila, México Authors: Gastelum-Mendoza, Fernando Isaac, González-Saldívar, Fernando Noel, Lozano-Cavazos, Eloy Alejandro, Uvalle-Sauceda, José Isidro, Serna-Lagunes, Ricardo, Cantú-Ayala, César Martín

“...Using the microhistological technique, the species of plants consumed were identified and classified by season: autumn (October 2018), winter (February 2019), spring (May 2019) and summer (August 2019) and biological form (shrubs, herbaceous, grasses and succulents). ...”

Phytochemical analysis and antidiabetic, antibacterial, and antifungal activities of leaves of Bursera simaruba (Burseraceae) Authors: Infante-Rodríguez, Dennis Adrián, Landa-Cansigno, Cristina, Gutiérrez-Sánchez, Angélica, Murrieta-León, Diana Lizzet, Reyes-López, Celeste, Castillejos-Pérez, Adriana Belén, Pucheta-Fiscal, José Efrain, Velázquez-Narváez, Alberto Carlos, Monribot-Villanueva, Juan Luis, Guerrero-Analco, José Antonio

“...Nonetheless, there are few reports on the description of the phytochemicals potentially responsible for such biological activities. Therefore, this study aimed to describe the antifungal, antibacterial, and antidiabetic potential by using in vitro experiments, and to contribute to the knowledge of the chemical composition of B. simaruba leaves. ...”

Post-fire change in structure and composition of the tree stratum and fuel load in a Pinus douglasiana forest in Mexico Authors: Quintero-Gradilla, Shatya Devi, Jardel-Peláez, Enrique José, Cuevas-Guzmán, Ramón, García-Oliva, Felipe, Martínez-Yrizar, Angelina

“...Results suggest that the fire suppression policy in pine forests should be evaluated considering the balance between biological conservation goals and mitigation of high severity fire danger....”

Paleobotanical and geological perspective of the biodiversity in Mexico Authors: Cevallos-Ferriz, Sergio R. S., González-Torres, Enrique A., Calvillo-Canadell, Laura

“...Further geological and paleobotanical work will refine this proposal that suggests that changes that enable or constrain biological responses are part of other components of the Earth System....”

Phytoplanktonic richness of the Bahía de Acapulco, Guerrero, Mexico Authors: Meave-del Castillo, María Esther, Zamudio-Resendiz, María Eugenia, Castillo-Rivera, Manuel

“...However, more detailed studies over phytoflagellates and picoplankton are necessary. A biological characterization of the phytoplankton community was made according to organization level, type of nutrition, life form, potential harmfulness or toxicity, origin (freshwater, brackish or marine), affinity (neritic or oceanic) and distribution (cosmopolitan, cold-temperate or subtropical-tropical). ...”