Exploring the relation between genetic structure and habitat heterogeneity in the rodent Liomys pictus from Chamela, Jalisco Autori: Vázquez-Domínguez, Ella, Ceballos, Gerardo, Piñero, Daniel

“…Local populations of the spiny pocket mice, Liomys pictus, were sampled from the tropical deciduous and semideciduous forests from Chamela, Jalisco, Mexico, where L. pictus experiences profound population fluctuations and high rates of population turnover, associated with the strong environmental seasonality and heterogeneity characteristic of these forests. …”

Plant species visited by honey bee foragers during induced cantaloupe pollination Autori: Reyes-Carrillo, José Luis, Eischen, Frank A., Cano-Rios, Pedro, Rodríguez-Martínez, Rafael, Nava-Camberos, Urbano

“…This work was carried out in La Laguna region, located in the states of Coahuila and Durango, Mexico in the spring of 2003. During the first 31 days of cantaloupe bloom, 18 honey bee colonies were placed in a six ha field, nine of which had a bottom pollen trap. …”

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

“…In this study we reviewed the distribution of endemic plants in the Chihuahuan Desert (DCH), which includes portions of the states of Arizona, Chihuahua, Coahuila, Durango, Nuevo Leon, Nuevo Mexico, San Luis Potosi, Tamaulipas, Texas and Zacatecas.Methods: A database was set up summarizing the information on the restricted species from the DCH. …”

Survival and development of Brosimum alicastrum (Moraceae) and Psidium sartorianum (Myrtaceae) seedlings differ under flooding conditions Autori: Mendoza-Arroyo, Gustavo Enrique, Morón-Ríos, Alejandro, González-Espinosa, Mario, Alayón-Gamboa, José Armando, Macario-Mendoza, Pedro Antonio

“…Seasonal flood and drought conditions were simulated with the objective to evaluate their effect on the survival, growth (stem length and number of leaves), as well as biomass accumulation in Brosimum alicastrum and Psidium sartorianum seedlings from the tropical forest of Campeche, Mexico. Methods: A nursery experiment was established with a completely random design with three treatments (flooding, regular irrigation and drought). …”

Wild bees as floral visitors to Salvia assurgens (Lamiaceae): a contribution to the pollination ecology of a white-flowered endemic Mexican sage Autori: Cultid-Medina, Carlos Andres, González-Vanegas, Paola Andrea, Bedolla García, Brenda

“…Methods: We collected wild bee visitors to the flowers of one population of S. assurgens in northeastern Michoacán, Mexico, during the summers of 2018 and 2019. We analyzed the pollen loads of each bee species and body area. …”

Seta length variation and the refutation of Hedwigidium=Braunia (Hedwigiaceae, Bryopsida) Autori: de Luna, Efraín

“…In the New World, Hedwigidium is confirmed for Mexico, Guatemala, El Salvador, Honduras, Costa Rica, Dominican Republic, and South America (Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, Argentina, and Brazil). …”

Mycorrhizas from the tropical dry forest and other fungal symbioses Autori: Álvarez-Manjarrez, Julieta, Solís Rodríguez, Abraham Ulises, Villarruel-Ordaz, José Luis, Ortega-Larrocea, María del Pilar, Garibay-Orijel, Roberto

“…Methods: Root sampling was performed along the Mexico Pacific coast in Chamela, Jalisco, from 2012 to 2014, and from Puerto Escondido to Salina Cruz, Oaxaca, in 2016. …”

Direct seeding of native tree species for dry forest restoration Autori: Martínez Garza, Cristina, Campos-Alves, Julio, Valenzuela-Galván, David, Alba-García, Leslie, Nicolás-Medina, Alondra

“…The objective of this study was to evaluate the success of direct seeding of nine native tree species.Methods: Emergency was evaluated for 30 days and survival for one year for four early-successional and five late-successional tree species sown in habitats with different cover of herbs and trees in two areas under restoration in Morelos and Puebla, Mexico. Key results: The most successful species given emergence and seedling survival were the early successional trees Spondias purpurea (16.79%) in El Limón, and Senegalia macilenta (20.38%) in Teotlalco; the other tree species had <10% of success. …”

Towards the restoration with Annona glabra (Annonaceae) of a freshwater swamp: seedling establishment and growth, and the accompanying vegetation change Autori: Sánchez-García, Edgar Abel, López Rosas, Hugo, Sosa, Vinicio J., Lindig-Cisneros, Roberto, Moreno-Casasola, Patricia

“…The objectives of this study were to evaluate the survival and the growth of Annona glabra seedlings, monitor changes in the accompanying vegetation, and estimate the cost of our experimental ecological restoration treatments in a freshwater swamp transformed into a flooded pasture and invaded by the exotic grass Echinochloa pyramidalis.Methods: The study was carried out on a floodplain surrounding a mangrove on the coast of central Veracruz, Mexico. It consisted of sowing four A. glabra seedlings in experimental quadrats exposed to different restoration techniques. …”

Scarification of yellow mombin endocarps (Spondias mombin, Anacardiaceae) due to passage through the digestive tract of mantled howler monkeys (Alouatta palliata mexicana): a micro... Autori: Torres-Anaya, Daniela Alicia, Dáttilo, Wesley, Rosas Saito, Greta Hanako, Serio-Silva, Juan Carlos

“…Methods: We collected endocarps from howler monkey feces as well as ripe fruits fallen on the ground, in the region of Los Tuxtlas, Catemaco municipality, Veracruz, Mexico. By analyzing endocarp transverse sections using a scanning electron microscope, we measured the thickness of the outer layer and tested differences between both types of samples (i.e., fruit endocarps and endocarps that had passed through the digestive tract). …”

Physicochemical and antioxidant changes of black sapote (Diospyros digyna, Ebenaceae) during on-tree fruit development Autori: Merino-Sánchez, Liliana, Romero-Luna, Haydee Eliza, García-Barradas, Oscar, Mendoza-López, María Remedios, Jiménez Fernández, Maribel

“…Background and Aims: The fruit of Diospyros digyna, known as black sapote, is an exotic fruit which is consumed and marketed in southern Mexico. It has been little studied and the changes in the profiles of its physicochemical and antioxidant properties during its development stage on the tree are unknown. …”

Antioxidant and antiinflammatory properties of huauzontle (Chenopodium berlandieri subsp. nuttalliae, Chenopodiaceae) fermented by Lactiplantibacillus plantarum Lp22 Autori: Santiago-López, Lourdes, Garcia, Hugo S., González-Córdova, Aarón F., Vallejo-Cordoba, Belinda, Hernandez-Mendoza, Adrián

“…Background and Aims: Huauzontle (Chenopodium berlandieri subsp. nuttalliae) is a pseudocereal native to Mexico and is part of its culinary tradition. This pseudocereal is recognized for its high nutritional value and components that are associated with beneficial health effects. …”

Another new species of the genus Dahlia (Asteraceae, Coreopsideae): are we close to knowing its total diversity? Autori: Reyes-Santiago, Jerónimo, Ortiz-Brunel, Juan Pablo, Lichter-Marck, Isaac H., Castro-Castro, Arturo

“…The aims of this communication are to describe the new species D. gypsicola, and compare it morphologically and ecologically with D. calzadana, providing a distribution map, illustrations, an identification key for Dahlia of the Cañada-Mixteca biocultural region in Oaxaca, Mexico, and a species accumulation analysis. Methods: Our study was based on field exploration, herbarium material revision, and analysis of living collections. …”

Effect of the spider Peucetia viridans (Oxyopidae) on floral visitors and seed set of Cnidoscolus multilobus (Euphorbiaceae) Autori: Arango, Angélica M., López-Portillo, Jorge, Parra-Tabla, Victor, Hernández-Salazar, Laura T., Morales-Mávil, Jorge E., Rico-Gray, Victor

Notes on Bursera heteresthes (Burseraceae) Autori: Rzedowski, Jerzy, Calderón de Rzedowski, Graciela

Análisis de la vegetación empleando la teoría de conjuntos difusos como base conceptual Autori: Equihua, Miguel

“…In this paper, it is proposed that fuzzy set theory provides a conceptual basis which overcomes the limitationsof conventional approaches.The fuzzy /c-means algorithm was used to classify a vegetation sample from the región of the biosphere reserve ‘La Michilía’, in the State of Durango, México. This fuzzy classification was compared with a conventional classification produced by the TWINSPAN program. …”

Vegetal structure and diversity in a pine-oak forest with disturbances in different chronosequences Autori: Ruiz González, Miguel Ángel, Campos Angeles, Gisela Virginia, Reyes Hernández, Valentín José, Rodríguez Ortiz, Gerardo, Enríquez del Valle, José Raymundo

“…Therefore, the floristic composition and changes in plant succession were analyzed according to the chronosequence of different disturbances, in a pine-oak forest in southern Oaxaca, Mexico. Selective sampling was used, 28 sampling sites of 400 m2 were established, in which a census of all vascular individuals was carried out during the dry and rainy seasons of 2018. …”

Diversidad florística de los petenes de Campeche Autori: Duran Garcia, Rafael

“…These descriptive methods are applied to four patches of tropical vegetation known as hammocks or “petenes” in NW Campeche state, Mexico. It is suggested that the Hill index best indicates vegetation diversity. …”

FASCÍCULO COMPLEMENTARIO XXXVI: ACTUALIZACIÓN DE LA GUÍA PARA LOS AUTORES Y DE LAS NORMAS EDITORIALES, NUEVA EDICIÓN ELECTRÓNICA Autori: Hernández Ledesma, Patricia; Instituto de Ecología, A.C., Rzedowski, Jerzy; Instituto de Ecología, A.C.

FASCÍCULO COMPLEMENTARIO XXXVI: ACTUALIZACIÓN DE LA GUÍA PARA LOS AUTORES Y DE LAS NORMAS EDITORIALES, NUEVA EDICIÓN ELECTRÓNICA Autori: Hernández Ledesma, Patricia; Instituto de Ecología, A.C., Rzedowski, Jerzy; Instituto de Ecología, A.C.