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Browsing Departamento de Ecología y Recursos Naturales by Submit Date

Browsing Departamento de Ecología y Recursos Naturales by Submit Date

Now showing items 1-20 of 541

checklist, biological notes and distribution of ants (hymenoptera: formicidae) from barranca de metztitlan biosphere reserve, hidalgo, mexico

Hernández, FV; Castaño-Meneses, RG (2010)

A checklist of ants recorded from the Barranca de Metztitlan Biosphere Reserve, an arid zone in Hidalgo State, Mexico, is presented. Some remarks about their biology, local and regional geographic distribution are given. ...
putative pacemakers of crayfish show clock proteins interlocked with circadian oscillations

Velazquez-Amado, RM; Escamilla-Chimal, Elsa; Fiordelisio-Coll, Tatiana; Fanjul, ML (2010)

Although the molecular mechanisms that control circadian rhythms in many animals, particularly in the fly, are well known, molecular and biochemical studies addressing the location and function of the proteins and genes ...
uv-b radiation severely affects embryo development in the mexican axolotl

Frias-Alvarez, P; Parra-Olea, G; Zuñiga, J (2010)

Amphibians are greatly affected by diversity loss and recent declines in amphibian populations are well documented. One of the proposed causes of such declines, UV-B radiation, has been reported to induce lethal and ...
invertebrate diversity from corticolous moss in the iztaccihuatl volcano region, mexico state

Cutz, LQ; García, A; Castaño-Meneses, RG; Palacios-Vargas, JG (2010)

The diversity of invertebrates in corticolous moss was compared along an altitudinal gradient on the NW slope of the Iztaccihuatl Volcano, in the central part of Mexico. Sixteen taxa of invertebrates from corticolous moss ...
abundance of springtails (hexapoda: collembola) and edaphic parameters from a deciduous dry forest

Gomez-Anaya, JA; Palacios-Vargas, JG; Castaño-Meneses, RG (2010)

The abundance patterns of leaf litter and soil springtails (Hexapoda: Collembola) from two hydrological watersheds of the Chamela Biological Station (EBCh, UNAM) in Jalisco, Mexico are described and compared based on monthly ...
survival and early growth of two congeneric cacti that differ in their level of rarity

Miquelajauregui, Y; Valverde, MT (2010)

In this paper we analyze the growth and early survival of two congeneric columnar cacti the rare Neobuxbaumia macrocephala (with low population densities and a narrow distribution range), and the relatively common Neobuxbaumia ...
temporal comparison in richness and composition of gall-inducing insects in the rainforest canopy

Medianero, E; Paniagua, M; Castaño-Meneses, RG (2010)

A comparison (richness and composition) of the galls inducing insects at canopy forest, in the Parque Natural Metropolitano (PNM), a tropical dry forest of the Pacific coast of Panama was done, in a difference period of 9 ...
Vegetation heterogeneity and life-strategy diversity in the flora of the heterogeneous landscape of Nizanda, Oaxaca, Mexico

Pérez-García, Eduardo Alberto; Meave del Castillo, Jorge Arturo; Villaseñor, JL; Gallardo-Cruz, JA; Lebrija-Trejos, EE (2010)

We updated the floristic checklist of the Nizanda region, Isthmus of Tehuantepec (southern Mexico), characterized the occurring plant communities based on dominant species, and described the region's flora according to ...
Vegetation heterogeneity and life-strategy diversity in the flora of the heterogeneous landscape of Nizanda, Oaxaca, Mexico

Pérez-García, Eduardo Alberto; Meave del Castillo, Jorge Arturo; Villaseñor, JL; Gallardo-Cruz, JA; Lebrija-Trejos, EE (2010)

We updated the floristic checklist of the Nizanda region, Isthmus of Tehuantepec (southern Mexico), characterized the occurring plant communities based on dominant species, and described the region's flora according to ...
vertical distribution of springtails from epiphytic moss from abies religiosa forest in state of mexico, mexico

Cutz-Pool, LQ; Palacios-Vargas, José G.; Castaño-Meneses, G; Cano-Santana, Zenón (2010)

We evaluated the Collembola communities at 3 different heights on epiphytic moss. The study was carried out in an Abies religiosa forest, in the locality of San Rafael in the State of Mexico, Mexico. Collembola inhabiting ...
structure of the advanced regeneration community in tropical rain forest fragments of los tuxtlas, mexico

Benitez-Malvido, J; Sánchez-Gallén, Irene; Álvarez-Sánchez, Francisco Javier (2010)

We characterized the tree seedling community within seven forest fragments of different size (3-640 ha) at Los Tuxtlas, Mexico. We considered individual density, species richness, diversity, composition and functional group ...
patterns of arthropod diversity in contrasting habitats of el pedregal de san angel, a preserve in mexico city

Ríos-Casanova, L; Godinez-Alvarez, H; Cano-Santana, Zenón (2010)

We studied the community of arthropods inhabiting the ecological preserve El Pedregal de San Angel, in Mexico City. We estimated morphospecies richness, abundance, and diversity patterns in two contrasting habitats, open ...
spatial and temporal variation of the diversity ants in the botanic garden from zapotitlan de las salinas valley, puebla

Guzman-Mendoza, R; Herrera-Fuentes, MDC; Castaño-Meneses, G. (2010)

The knowledge about ants of arid zones of Mexico is very poor. For this reason we assessed the biodiversity of this taxon in 2 sites with different vegetation structure. Ten pitfall traps were placed in each site, and 2 ...
euglenophytes from lake chignahuapan, mexico

Valadez, F; Rosiles-González, G; Carmona-Jiménez, J (2010)

This study revelead the presence of several euglenophyte taxa (Euglenophyta) in Lake Chignahupan, in the Upper Lerma Basin (Mexico). A total of 21 taxa were identified, 10 belonging to the genus Phacus, 5 to Lepocinclis, ...
shell utilization by the hermit crab clibanarius antillensis stimpson 1862 (crustacea anomura) in intertidal rocky pools at montepio, veracruz, mexico

Arguelles-Tico, A; Alvarez, F; Alcaraz, G (2010)

The gastropod shell utilization pattern of the hermit crab Clibanarius antillensis Stimpson 1862 was studied at Montepio, Veracruz, Mexico. Specimens were collected along the intertidal zone. All gastropod shells were ...
diversity and phenology of the orthoptera of queretaro's el cimatario national park

Fontana, P; Martínez, AE; Escudero, JS; Carrasco, JV; García, PLG; Cano-Santana, Zenón (2010)
circadian modulation of crustacean hyperglycemic hormone in crayfish eyestalk and retina

Salceda, R; Giulianini, PG; Sánchez-Chavez, G; Fanjul-Peña, ML; Escamilla-Chimal, E (2010)

Previous studies suggested the retina could be a putative locus of daily crustacean hyperglycemic hormone (CHH) secretion, as it possesses its own metabolic machinery and is independent of the well-known CHH eyestalk locus ...
two new species of choreutinula (collembola: hypogastruridae) from america and china

Gao, Y; Palacios-Vargas, JG; Castaño-Meneses, RG (2010)

Two new species of Choreutinula Paclt 1944 are described and illustrated. One American, from North Dakota, which differs front other species by the presence of 4+4 setae on ventral tube and small setae p3 on Abd. V. The ...
prolactin released in vitro from the pituitary of lactating, pregnant, and steroid-treated female or male rats stimulates prolactin secretion from pituitary lactotropes of male rats

Mena, F; Navarro, N; Castilla, A; Morales, T; Carabez, A; Aguilar, MB; Huerta-Ocampo, I; Fiordelisio-Coll, T (2010)

We have previously shown that soluble factor(s) in conditioned media (CM) from the central and peripheral regions of the anterior pituitary (AP) gland of lactating rats promoted the in vitro dose-related release of prolactin ...
diversity and temporal variation of ants (hymenoptera: formicidae) from malaise traps in a tropical deciduous forest

Benrey, B; Vargas, JGP; Castaño-Meneses, RG (2009)

The ant community from the shrub layer in a tropical deciduous forest was sampled for two years with Malaise traps. A total of 1,256 ants belonging to 48 species and 21 genera were collected. The most abundant species were ...

Now showing items 1-20 of 541

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