División de Ciencias Ambientales: Recent submissions
Now showing items 301-320 of 459
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La Guacamaya verde ( Ara militaris ) en la Sierra Gorda de Guanajuato, México
(2016-08)"I report a new displacement route of the Military macaw (Ara militaris) population located in Sotano del Barro (Querétaro) to the northeastern Guanajuato. This record suggests that Military macaw perform seasonal movements ... -
Haemosporidian parasite prevalence, parasitemia, and diversity in three resident bird species at a shrubland dominated landscape of the Mexican highland plateau
(2016-05)"Background: Studies of avian haemosporidians allow understanding how these parasites affect wild bird populations, and if their presence is related to factors such as habitat loss, degradation and fragmentation, and ... -
Germinación y establecimiento de plantas nativas del matorral tamaulipeco y una especie introducida en un gradiente de elevación
(2007)"Con el fin de determinar si el calentamiento global podría influir en la ampliación altitudinal de hábitat en el noreste de México, se evaluó la germinación y el crecimiento de cuatro especies de plantas en un gradiente ... -
Seed germination of Opuntia species from an aridity gradient in Central Mexico
(2010)"In the Mexican highlands there are several aridity gradients affecting Opuntia species composition and its biological function. Since environmental variations can affect plant traits like seed morphology as well as related ... -
Conservación y restauración de bosques mexicanos en el escenario del cambio global: una responsabilidad compartida con beneficios múltiples
(2011)"Nuestro planeta enfrenta hoy un fuerte cambio inducido por las actividades humanas, el cual usualmente se denomina Cambio Global. La creciente preocupación sobre las consecuencias socioeconómicas de este fenómeno dio lugar ... -
Importancia de un árbol tropical (Dendropanax arboreus) para aves migratorias neárticas en México
(2009)"En sus sitios reproductivos diversas especies de aves migratorias se alimentan principalmente de insectos, sin embargo, durante su migración en los neotrópicos comen cantidades significantes de frutos. Este estudio a ... -
Carbonaceous and protein constituents in dairy wastewater lead to a differentiated current generation in microbial fuel cells (MFCs)
(2014)"The effect of real dairy wastewater (DWW) additions on the current density generated by a bioanode was evaluated in a half cell configuration under potentiostatic control, thus simulating the anodic chamber of a Microbial ... -
Effect of light on seed germination of succulent species from the southern Chihuahuan Desert: comparing germinability and relative light germination
(2010)"Light requirements for cactus seed germination have been considered to be associated with their life form, but this has not been thoroughly studied for other succulent species. In this study, we performed a light and ... -
Análisis del concepto de sostenibilidad en la legislación mexicana usando el paradigma de desarrollo de las zonas secas
(2012)"Utilizando el paradigma de Desarrollo de las Zonas Secas (DDP, por sus siglas in ingles) este trabajo analiza la relación entre el discurso legal, el desempeño de las instituciones gubernamentales y el manejo de sistemas ... -
Relación entre atributos ecofisiológicos de la especie vulnerable Pinus caribaea Morelet var. caribaea y características ambientales de ocho localidades en pinar del río, Cuba
(2009-05)"Pinus caribaea Morelet var. caribaea Barret & Golfari es una especie vulnerable, debido a la fragmentación de su hábitat y a su extracción. En Pinar del Río, Cuba, las poblaciones naturales de esta especie se encuentran ... -
Studies of adsorption of heavy metals onto spent coffee ground: equilibrium, regeneration, and dynamic performance in a fixed-bed column
(2016)"Equilibrium and dynamic adsorption of heavy metals onto spent coffee ground (SCG) were studied. The equilibrium adsorption of Cd2+, Cu2+, and Pb2+ in a batch system was modeled by an ion-exchange model (IEM) based on an ... -
New distributional records for the endagered worthen's sparrow Spizella wortheni in San Luis Potosí, Mexico
(2015-08)"El rango de distribución restringido y el pequeño tamaño poblacional del gorrión de Worthen han ocasionado que esta ave sea considerada una especie amenazada en México y a nivel internacional. Aquí reportamos nuevos ... -
Growth and ecophysiology of succulent seedlings under the protection of nurse plants in the Southern Chihuahuan Desert
(2015-03)"In arid zones, light and water are two important factors that limit seedling development. The shade provided by nurse plants can reduce overheating, excessive transpiration, and photoinhibition in protege seedlings. The ... -
The andean forest soil seed bank in two successional stages in northeastern Colombia
(2016-12)"Background: Soil seed banks play an important role in post-disturbance regeneration and succession of species from different successional stages. Questions: 1) What is the most effective method for determining the ... -
Germinación de semillas de Magnolia pugana (Magnoliaceae), especie endémica y en peligro de extinción del occidente de México
(2016-09)"Magnolia pugana es una especie endémica y en peligro de extinción localizada en el occidente de México, que se distribuye en bosques de galería en las barrancas del sur de Zacatecas y centro-norte de Jalisco. El objetivo ... -
Impacto dos mediadores redox na remoção de cor de corantes azo e antraquinônico por lodo granular anaeróbio sob condições mesofílicas e termofílicas
(2007)"Investigou-se o efeito de diferentes mediadores redox (MR) na remoção de cor de corantes azo e antraquinônico pelo uso de lodo granular anaeróbio sob condições mesofílicas (30ºC) e termofílicas (55ºC). Comprovou-se em ... -
Primeros registros del ibis blanco (Eudocimus albus) en el Altiplano de San Luis Potosí, México
(2012-12)"Reportamos dos observaciones visuales del ibis blanco (Eudocimus albus) de la Laguna de Los Coyotes, un afluente natural del manantial la Media Luna que se localiza en el municipio de Rioverde, San Luis Potosí, México. ... -
Effects of spine-shading on aspects of photosynthesis for three cactus species
(2016-06)"We evaluated the effect of spine removal on three cactus species varying in spine-shading of stems. Turbinicarpus schmiedickeanus showed the greater spine shading (c. 61 %), followed by Mammillaria zephyranthoides (43 %), ... -
The relevance of burial to evade acorn predation in an oak forest affected by habitat loss and land use changes
(2014-06)"Seed burial was proposed as an effective mechanism to evade seed predation in continuous forests. However, the relevance of burial as a mechanism to evade seed predators may be compromised in fragmented forests intensely ... -
Differential allelopathy between genders of an invasive dioecious tree on desert plants
(2016-06)"The Peruvian peppertree (Schinus molle) is a dioecious species from South America that was introduced into central Mexico five centuries ago. This tree has invaded abandoned agricultural fields from semiarid regions, where ...