Näytetään 221 - 240 yhteensä 262 tuloksesta haulle '"biologi"', hakuaika: 0,03s Tarkenna hakua
  1. 221

    Environmental suitability modeling in the identification of potential sites for dendrochronological data collection Tekijät: Manzanilla Quiñones, Ulises, Delgado-Valerio, Patricia, Pedraza-Santos, Martha Elena, Molina-Sánchez, Agustín

    “…Based on records from the Global Biodiversity Information Facility (GBIF) and the herbarium of the Institute of Biology (MEXU) of the National Autonomous University of Mexico (UNAM), field observations and biophysical variables, the environmental suitability of 15 Pinaceae from Michoacán was modeled. …”
    Online
    Julkaistu 2023
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    Fauna de Coleoptera Lamellicornia en las montañas del noreste de Hidalgo, Mexico Tekijät: Angel Morón, Miguel

    “…Anómala aff. meonstans, Cyclocephala jalapensis, C. lurida, Strategus aloeus, Deltochilum gibbosum, Onthophagus cyanellus, Odontotaenius zodiacos and Heliscus tropicus were the rnost abundant species in the samples, The moniane scarab beetle fauna of Hidalgo shows 35 % of specific similarity and 65 % of genenc similarity with The area of Los Tuxilas Biológical Station, Veracruz, and represen! 12.3 % of the Lamellicornian species recordad in México. …”
    Online
    Julkaistu 1994
  8. 228

    Temporal changes in a community of dung beetles (Insecta: Coleoptera: Scarabaeinae) resulting from the modification and fragmentation of tropical rain forest Tekijät: Quintero, Ingrid, Halffter, Gonzalo

    “…In order to determine the changes in biological diversity over time in different habitats of a fragmented tropical rain forest in Manaus, Brazil, we compared capture data from two windows in time: 1986 and 2000. …”
    Online
    Julkaistu 2009
  9. 229

    Tamaño poblacional y alimentación de la nutria de río (lontra longicaudis annectens) en la Costa de Oaxaca, México Tekijät: Casariego-Madorell, Ma. Antonieta, List, Rurik, Ceballos, Gerardo

    “…The neotropical river otter (Lontra longicaudis annectens) is threatened in Mexico, and in order to design sound conservation strategies for its conservation, basic studies on their biology and ecology are necessary. The diet and abundance were evaluated between July, 1999 and August, 2000 in the rivers Ayuta, Copalita and Zimatán in the coast of Oaxaca. …”
    Online
    Julkaistu 2008
  10. 230

    Ethnopharmacological studies of Cecropia obtusifolia (Urticaceae) and its importance in the treatment of type 2 diabetes mellitus: A mini-review Tekijät: Cadena-Zamudio, Jorge David, Nicasio-Torres, María del Pilar, Guerrero-Analco, José Antonio, Ibarra-Laclette, Enrique

    “…Therefore, the aim of this review is to highlight how previous studies are adding to the understanding and knowledge of the biological effects reported in Cecropia obtusifolia, a tropical plant included in the Herbal Pharmacopoeia of the United Mexican States (FHEUM), which is commonly used to treat DM-2.Methods: A profound literature review was carried out on C. obtusifolia, focusing on diverse phytochemical, pharmacological, clinical and toxicological studies, as well as on some other relevant research findings.Key results: It is recognized that this species is able to decrease serum glucose, cholesterol and triglyceride levels due to its hypoglycemic and hypolipidemic properties, which has been demonstrated both in animal and human experimental models, attributing these effects to chlorogenic acid and isoorientin. …”
    Online
    Julkaistu 2018
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    Integrating morphometric and phylogenetic analyses: from phenetic systematics to phylogenetic morphometrics Tekijät: De Luna, Efraín

    “…The goal of this contribution is to provide conceptual elements for a basic understanding of morphometric and statistical methods useful in systematics under a phylogenetic approach.Methods: Morphometric data are being applied in comparative biology research, using a phylogeny as a reference. …”
    Online
    Julkaistu 2020
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    Ecophysiology of Sarcocornia neei (Amaranthaceae) from two wetlands of the central coast of Lima, Peru Tekijät: La Rosa Loli, Rafael, Flores Núñez, Astrid Carolina, Chávez Gamarra, Mily Malú, Flores Quintana, Gonzalo, Alcalde Alvites, Miguel, Zeña Carrasco, Héctor Josué, Arieta Guardia, Lisbeth Úrsula, Valderrama Bhraunxs, Noelia del Carmen, Huerta Jara, Cesar Kennedy, Sandoval Peña, Gustavo Adolfo

    “…However, it is being displaced by this human activities, while basic aspects of its biology remain unknown. Hence, our goal was to investigate the ecophysiology of this species, under greenhouse and laboratory conditions, looking at the possibility of being grown outside its natural environment.Methods: Plants of S. neei were collected in both Ventanilla and Paraíso Wetlands, Lima, Peru. …”
    Online
    Julkaistu 2020
  13. 233

    Formulation and phytochemical analysis of a potentially functional beverage from combining a leaf extract and pulp of Annona muricata (Annonaceae) Tekijät: Nolasco-González, Yolanda, García-Magaña, María de Lourdes, León-Fernández, Andrés Eloy, Monribot-Villanueva, Juan L., Guerrero-Analco, José A., Montalvo González, Efigenia

    “…Conclusions: The combination of A. muricata leaf extract and pulp is a vital alternative to obtain a sensorially acceptable beverage that contains bioactive compounds with a potential medicinal action since the phenolic compounds, alkaloids, and acetogenins present in the beverage could have efficient biological activities in the prevention of chronic degenerative diseases.…”
    Online
    Julkaistu 2023
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    A new species, Castela juyyaania (Simaroubaceae), and three new records for the semiarid flora of Sinaloa, Mexico Tekijät: Pío-León, Juan F., Carrillo-García, Jesús A., Salomón-Montijo, Bladimir, Márquez-Salazar, Gilberto

    “…Background and Aims: During biological explorations in the thorn forest near the coast of Sinaloa, specimens of four taxa not previously reported for this state were collected, including the first record of the genus Castela, being also a species new to science. …”
    Online
    Julkaistu 2023
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    Higher plant vacuolar ionic transport in the cellular context Tekijät: Pottosin, Igor I., Muñiz, Jesús

    “…For more than a decade, the guard cell has gained the status of a higher plant cell model, intensely studied by physiological, cell and molecular biology techniques. Despite tremendous progress in the understanding of signal transduction events taking place at plasma membrane of guard cells, the involvement of vacuolar ion transporters remains a significant challenge. …”
    Online
    Julkaistu 2002
  16. 236

    Phenolic content and antioxidant action in needle extracts from Pinus cooperi, P. durangensis, P. engelmanii and P. teocote Tekijät: Sáenz-Esqueda, María de los Ángeles, Rosales-Castro, Martha, Rocha-Guzmán, Nuria Elizabeth, Gallegos-Infante, José Alberto, González-Laredo, Rubén Francisco

    “…Coniferous trees are a vast resource in Durango, Mexico forests and a potential nontimber source of these chemicals, thus, our study for analyzing phenolic content and biological activity in needle extracts from Pinus cooperi (COO), P. durangensis (DUR), P. engelmanii (ENG) and P. teocote ( TEO). …”
    Online
    Julkaistu 2016
  17. 237

    Light and micorrhizal effect in seed germination of tropical dry forest tree species Tekijät: Ballina Gómez, Horacio Salomon, Ruiz-Sánchez, Esaú, Ambriz Parra, Enrique, Alvarado López, Carlos Juan

    “…In dry forest, germination is affected by the pronounced seasonality, which causes a high heterogeneity in understory light availability, as well as the biological interactions with soil microorganism, i.e. micorrhizae. …”
    Online
    Julkaistu 2017
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    Vegetation of the Sierra Madre Occidental, Mexico: a synthesis Tekijät: González-Elizondo, M. Socorro, González-Elizondo, Martha, Tena-Flores, J. A., Ruacho-González, Lizeth, López-Enríquez, I. Lorena

    “…Of major ecological and economical importance, with a high biological and cultural diversity, this cordilleran complex is not yet well known. …”
    Online
    Julkaistu 2012