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23 resultados encontrados para: TEMA: Lagartijas
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1.
- Artículo de divulgación
*En hemeroteca, SIBE-Campeche, SIBE-Chetumal, SIBE-San Cristóbal, SIBE-Tapachula, SIBE-Villahermosa
Regeneración celular: una segunda oportunidad de vida
García Aguirre, Citlali Mariana ; Delfín Alfonso, Christian A. (coaut.) ; López Argoytia, Laura (coaut.) ;
Contenido en: ECOfronteras Vol. 22, no. 64 (septiembre/diciembre 2018), p. 30-33 ISSN: 2007-4549
Bibliotecas: Tapachula
Cerrar
SIBE Tapachula
43575-20 (Disponible)
Disponibles para prestamo: 1
Nota: En hemeroteca, SIBE-Campeche, SIBE-Chetumal, SIBE-San Cristóbal, SIBE-Tapachula, SIBE-Villahermosa
PDF PDF
Resumen en: Español |
Resumen en español

Las cabezas de la hidra que resurgen al ser cortadas o las extremidades perdidas en batalla que vuelven a aparecer en algunos seres, no son solo ficciones. Prácticamente todos los seres vivos tienen la capacidad de regenerarse, en especial las plantas. Aunque en grado menor, la regeneración celular también es una característica humana y sus aplicaciones en medicina podrían implicar una nueva oportunidad de vida. Fotogalería: https://www.ecosur.mx/regeneracion-celular-una-segunda-oportunidad-de-vida/


2.
Artículo
Natural history of Sceloporus goldmani (Squamata: Phrynosomatidae) in its southern distribution
Carbajal Márquez, Rubén Alonso ; Quintero Díaz, Gustavo Ernesto (coaut.) ;
Contenido en: Herpetology Notes Vol. 10 (2017), p. 161-167 ISSN: 2071-5773

3.
Artículo - Nota científica con arbitraje
Segundo registro de Holbrookia approximans (Squamata: phrynosomatidae) para el estado de Aguascalientes, México y record de mayor altitud
Quintero Díaz, Gustavo Ernesto ; Pérez Delgadillo, Ana Gisele (coaut.) ; Carbajal Márquez, Rubén Alonso (coaut.) ;
Contenido en: Acta Zoológica Mexicana. Nueva Serie Vol. 33, no. 1 (2017), p. 154-157 ISSN: 0065-1737
PDF
Resumen en: Español | Inglés |
Resumen en español

En el presente trabajo se documenta la presencia de Holbrookia approximans en el estado de Aguascalientes, México, después de 43 años de su último registro, en Las Negritas, municipio de El Llano, lo que representa un nuevo registro municipal. Adicionalmente una nueva localidad para Zacatecas, en la mesa Los Encinitos, municipio de Pinos, que representa el registro de mayor altitud para la especie.

Resumen en inglés

Herein we document the occurrence of Holbrookia approximans in the state of Aguascalientes, Mexico, after a hiatus of 43 years since the last record, at Las Negritas, in the Municipality of El Llano, representing a new municipality record. Additionally a new locality for Zacatecas at Mesa los Encinitos, Municipality of Pinos, represents the highest altitude record for the species.


4.
Artículo - Nota científica con arbitraje
Poblaciones nuevas de Sceloporus goldmani (Squamata: Phrynosomatidae), especie considerada extinta
Carbajal Márquez, Rubén Alonso ; Quintero Díaz, Gustavo Ernesto (coaut.) ;
Contenido en: Revista Mexicana de Biodiversidad Vol. 87, no. 4 (Diciembre 2016), p. 1395-1398 ISSN: 1870-3453
Bibliotecas: San Cristóbal
Cerrar
SIBE San Cristóbal
10019-20 (Disponible)
Disponibles para prestamo: 1
PDF
Resumen en: Español | Inglés |
Resumen en español

Se reportan poblaciones nuevas de la lagartija Sceloporus goldmani en los estados de Aguascalientes, Jalisco y Zacatecas, México, que representan nuevos registros estatales. Además, se agrega una nueva localidad para San Luis Potosí y el récord altitudinal de la especie. Esta especie se creía extinta debido a que no se habían encontrado ejemplares recientemente, por lo que las poblaciones previamente documentadas en los estados de Coahuila, Nuevo León y San Luis Potosí probablemente fueron extirpadas debido a la destrucción de su hábitat.

Resumen en inglés

New populations of the lizard Sceloporus goldmani, from Aguascalientes, Jalisco and Zacatecas, México, representing new state records are reported. Additionally, a new locality for San Luis Potosí and the altitudinal record for the species. This species was believed extinct due to the failure to find specimens recently, so the populations previously reported in the states of Coahuila, Nuevo León and San Luis Potosí have probably been extirpated due to habitat destruction.


5.
Artículo
*En hemeroteca, SIBE-San Cristóbal
Ámbito hogareño de Aspidoscelis cozumela (Squamata, Teiidae): una lagartija partenogenética microendémica de Isla Cozumel, México
Hernández Gallegos, Oswaldo ; López Moreno, Ana Esthela (coaut.) ; Méndez Sánchez, José Fernando (coaut.) ; Lloyd Rheubert, Justin (coaut.) ; Méndez de la Cruz, Fausto Roberto (coaut.) ;
Contenido en: Revista de Biología Tropical Vol. 63, no. 3 (setiembre 2015), p. 771-781 ISSN: 0034-7744
Bibliotecas: San Cristóbal
Cerrar
SIBE San Cristóbal
56574-10 (Disponible)
Disponibles para prestamo: 1
Nota: En hemeroteca, SIBE-San Cristóbal
PDF
Resumen en: Inglés |
Resumen en inglés

Home range of Aspidoscelis cozumela (Squamata: Teiidae): a parthenogenetic lizard microendemic to Cozumel Island, México. Home range is defined as the area within which an individual moves to acquire resources necessary to increase their fitness and may vary inter and intra-specifically with biotic and abiotic factors. This study details the home range of the parthenogenic lizard, Aspidoscelis cozumela, an active forager microendemic to Cozumel Island, México, with high preference for open sand beaches. The home range of A. cozumela was compared with other species of Aspidoscelis (gonochoric and parthenogenetic) and other lizards that occupy coastal habitats. Furthermore, the biotic and abiotic factors that may influence home range were analyzed. This study was conducted in the beach located on the East side of the island (area of 4 000 m2) that is composed primarily of halophyte vegetation with high levels of sunlight. From 1999 to 2001, nine samples were taken which included the dry, rainy, “nortes”, and breeding seasons. During each sampling, capture-mark-recapture techniques were conducted and the date, time of day, and snout-vent length (SVL) were recorded to the nearest millimeter. Individuals were located in the study area using a bi-coordinate reference using 10 x 10 m subdivisions of the habitat.

Home range and home range overlap were calculated using the convex polygon method in McPaal and home range/SVL correlation was tested using Pearson´s correlation. To calculate females home range, three or more recaptures were considered. A total of 20 home ranges that averaged 45.1 ± 14.0 m2 were obtained and no correlation between SVL and home range size was detected (p = 0.9229, n = 20). However, removing individuals with outlier home ranges (females with home ranges > 100 m2, n = 2) resulted in a positive correlation with SVL (r = 0.61, p = 0.0072, n = 18). A 22.9 ± 5.7% overlap in home range was also detected. The small home range of A. cozumela represents the smallest home range within the Aspidoscelis genus recorded to date (including both parthenogenetic and gonochoric species) and contrasts the theoretical predictions of broad home ranges for widely foraging species. Thermoregulatory benefits and a high population density may explain the small home range of A. cozumela. Although this species is highly adapted to the environmental conditions present on the open sand beaches, anthropogenic effects on these habitats by the development of tourism infrastructure may jeopardize their existence on Cozumel Island.


6.
- Artículo con arbitraje
*En hemeroteca, SIBE-Tapachula
Predation of Anastrepha ludens (Diptera: tephritidae) by Norops serranoi (Reptilia: polychrotidae): functional response and evasion Ability
Dor Roques, Ariane Liliane Jeanne ; Valle Mora, Javier Francisco (coaut.) ; Rodríguez Rodríguez, Susana Eva (coaut.) ; Liedo Fernández, Pablo (coaut.) ;
Contenido en: Environmental Entomology Vol. 43, no. 3 (June 2014), p. 706-715 ISSN: 0046-225X
Bibliotecas: Tapachula
Cerrar
SIBE Tapachula
53746-10 (Disponible)
Disponibles para prestamo: 1
Nota: En hemeroteca, SIBE-Tapachula
Resumen en: Inglés |
Resumen en inglés

The Mexican fruit fly, Anastrepha ludens (Loew), is one of the 10 worldwide more important fruit crop pests. Orchards of southeastern Chiapas also shelter the tree-dwelling lizard Norops serranoi (Köhler), which likely prey upon these flies. In standard laboratory conditions, we determined the functional response of four male and four female lizards on mass-reared fruit flies. We used a general logistic analysis of proportion of killed prey versus available prey to determine the shape of the functional response. Male lizards showed a type II functional response, while females showed a type III functional response. For the highest fruit fly densities, female lizards caught significantly more fruit flies than males did. The predator evasion ability and the survival of mass-reared and wild fruit flies were compared. Wild fruit flies evaded more male lizard attacks than mass-reared flies. However, when female lizards attacked, there was no significant difference between strains. Fruit flies survival was higher with male than with female lizards, but it did not depend on fruit fly strains. This is the first report of a vertebrate preying on the Mexican fruit fly, demonstrating that female lizards impose a higher predation pressure and are more efficient at capturing wild fruit flies than males. We discuss the implications of our results on mass-rearing and quality control of sterile flies.


7.
- Artículo con arbitraje
*En hemeroteca, SIBE-San Cristóbal
Abundancia, uso de hábitat, microhábitat y hora de actividad de Ameiva undulata (Squamata: Teidae) en un paisaje fragmentado del Soconusco chiapaneco
Macip Ríos, Rodrigo ; López Alcaide, Saúl (coaut.) ; Muñoz Alonso, Luis Antonio (coaut.) ;
Contenido en: Revista Mexicana de Biodiversidad Vol. 84, no. 2 (junio 2013), p. 622-629 ISSN: 1870-3453
Bibliotecas: San Cristóbal
Cerrar
SIBE San Cristóbal
37704-20 (Disponible)
Disponibles para prestamo: 1
Nota: En hemeroteca, SIBE-San Cristóbal
PDF
Resumen en: Español | Inglés |
Resumen en español

La transformación de los ambientes naturales hacia ambientes manejados como cultivos o pastizales conlleva un impacto directo en la abundancia de las especies que ahí habitan. Se ha registrado que algunos cultivos, como los cafetales de sombra diversificada tienen un menor efecto en la abundancia de las especies y que incluso pueden incrementar su abundancia. En un mosaico de cafetales diversificados y bosques nativos en el Soconusco chiapaneco, se evaluó la abundancia por mes, utilización del hábitat, microhábitat y hora de actividad en la lagartija Ameiva undulata en, durante noviembre del 2000 a abril del 2002. La abundancia más alta fue registrada en febrero. La mayoría de organismos se observó en cafetales de sombra diversificada y en microhábitats asociados a la hojarasca. A lo largo del día, la mayor actividad se registró de las 11:00 a 12:00 h, seguida por un decremento continuo en el nivel de actividad hasta las 18:00 h. Los resultados indican que esta lagartija presenta una mayor abundancia en ambientes con insolación y perturbación media, condiciones que están poco representadas en ambientes conservados como los bosques mesófilos y las selvas medianas, o bien, en ambientes altamente transformados y sin sombra como los pastizales.

Resumen en inglés

The transformation of complex native habitats through simpler and managed habitats like crops or grasslands implies a direct effect on species abundance. Agrosystems like diversified shade coffee crops (commonly named rustic cafetales) have been described as suitable habitats or refuge for many vertebrate species, which enhance or increase abundance of some vertebrate species. From November 2000 to April 2002 we evaluated monthly abundance, habitat use, microhabitat use, and time of activity along the day in the teiid lizard Ameiva undulata. The study was conducted in a landscape composed by coffee crops, gallery forests, and native forest in the Chiapas Soconusco. The highest record of abundance by month was recorded in February. Most lizards were observed in diversified shade coffee crops, associated to leaf litter. Along the day, the highest activity reported was from 11:00 to 12:00 h, followed by an activity decline through 18:00 h. Our results indicated that A. undulata showed higher abundance in habitats with middle sun radiation and middle perturbation and is poor represented in native habitats like cloud forest and rain forest, or in the more disturbed habitats like grasslands.


8.
Artículo
*En hemeroteca, SIBE-San Cristóbal
Ampliación de la distribución de Mesoscincus Schwartzei (Squamata: Scincidae) en el estado de Chiapas, México
Percino Daniel, Ruth ; Barcenas Arriaga, S. (coaut.) ; Sarabia Rangel, A. (coaut.) ;
Contenido en: Acta Zoológica Mexicana. Nueva Serie Vol. 28, no. 3 (diciembre 2012), p. 644-448 ISSN: 0065-1737
Bibliotecas: San Cristóbal
Cerrar
SIBE San Cristóbal
52417-10 (Disponible)
Disponibles para prestamo: 1
Nota: En hemeroteca, SIBE-San Cristóbal
PDF
Resumen en: Inglés |
Resumen en inglés

We report Mesoscincus schwartzei from Playón de la Gloria, Chiapas, México. One individual was found underneath a fallen tree in tropical rain forest. Previously, this species was only known from the Peninsula de Yucatán, including the northern portions of Petén, Guatemala, and Belize. This new record expands its known distribution 78.5 km to the south.


9.
Artículo
*En hemeroteca, SIBE-San Cristóbal
Divergence in morphology, but not habitat use, despite low genetic differentiation among insular populations of the lizard Anolis lemurinus in Honduras
Logan, Michael L. ; Montgomery, Chad E. (coaut.) ; Boback, Scott M. (coaut.) ; Reed, Robert N. (coaut.) ; Campbell, Jonathan A. (coaut.) ;
Contenido en: Journal of Tropical Ecology Vol. 28, no. 2 (March 2012), p. 215-222 ISSN: 0266-4674
Bibliotecas: San Cristóbal
Cerrar
SIBE San Cristóbal
51260-10 (Disponible)
Disponibles para prestamo: 1
Nota: En hemeroteca, SIBE-San Cristóbal
Resumen en: Inglés |
Resumen en inglés

Studies of recently isolated populations are useful because observed differences can often be attributed to current environmental variation. Two populations of the lizard Anolis lemurinus have been isolated on the islands of Cayo Menor and Cayo Mayor in the Cayos Cochinos Archipelago of Honduras for less than 15 000 y. We measured 12 morphometric and 10 habitat-use variables on 220 lizards across these islands in 2 y, 2008 and 2009. The goals of our study were (1) to explore patterns of sexual dimorphism, and (2) to test the hypothesis that differences in environment among islandsmay have driven divergence in morphology and habitat use despite genetic homogeneity among populations. Although we found no differences among sexes in habitat use, males had narrower pelvic girdles and longer toe pads on both islands. Between islands, males differed in morphology, but neither males nor females differed in habitat use. Our data suggest that either recent selection has operated differentially on males despite low genetic differentiation, or that they display phenotypic plasticity in response to environmental variation.We suggest that patternsmay be driven by variation in intrapopulation density or differences in predator diversity among islands.


10.
Artículo
New species of anolis formerly referred to as Anolis altae from Monteverde, Costa Rica (Squamata: Polychrotidae)
Köhler, Gunther ;
Clasificación: AV/00898
Contenido en: Journal of Herpetology Vol. 43, no. 1 (2009), p. 11-20 ISSN: 0022-1511
Bibliotecas: Chetumal
Cerrar
SIBE Chetumal
ECO030007135 (Disponible)
Disponibles para prestamo: 1