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Repositorio Biblioteca Virtual Ambiental (BVA)
La BVA es una colección de recursos educativos que tratan sobre temas ambientales, concernientes a el estado de Chihuahua, México, con el objetivo de facilitar el acceso al conocimiento ambiental de la zona. El repositorio de la BVA esta intencionado para beneficio de la sociedad y sin fines de lucro.

Recent Submissions

Diagnóstico ambiental de los ecosistemas forestales de Guachochi, Chihuahua
(Revista Internacional de Contaminación Ambiental, 2019-06) Ramírez Rejogochi, S.; Pinedo Álvarez, C.; Melgoza Castillo, A.; Rentería Villalobos M.
Capacidad ectomicorrizica de pinus eldarica (Medw.) con hongos silvestres de la Sierra Tarahumara de Chihuahua
(Revista Internacional de Contaminación Ambiental, 2017) Quiñónez Martínez, Miroslava; Martínez Escobedo, Neida Aurora; Viveros Pinto, Miguel Ángel; Enriquez Anchondo, Irma Delia; Lebgue Keleng, Toutcha; Garza Ocañas. Fortunato
Programa de manejo de berrendo (Antilocapra americana mexicana) en Chihuahua, México
(Agro Productividad, 2014) Carreón Hernández, E.; Lafón Terrazas, A.
The Mexican pronghorn (Antilocapra americana mexicana) is the fastest land mammal in America and endemic to North America, and only live representative of the Antilocapridae family. Its abundance and distribution are affected by the reduction and alteration of their habitat, poaching and predation. Since it is in danger of extinction, the National Protected Natural Areas Commission (Comisión Nacional de áreas Naturales Protegidas, CONANP) has elaborated Action Programs for Species' Conservation (Programas de Acción para la Conservación de Especies, PACE), and applied them in Chihuahua, México. After performing diagnostic work that included awareness such as Payment for Environmental Services derived from Biodiversity in Grasslands of the State of Chihuahua, which compensates owners of lands with grasslands for their actions for productive reconversion, conservation and/or habitat management for priority species (pronghorn, royal eagle, aplomado falcon) implemented on their lands, with the aim of maintaining and improving the conditions of the ecosystem where these wild animal species are distributed, it was determined that the pieces of land Carretas, El Vado, Santa Anita, La Enramada, El Ochentaicinco, and El Uno have habitat characteristics adequate for the pronghorn. The owners of these lands have expressed interest for the species, and they consider it timely to carry out the necessary efforts to recuperate the pronghorn populations in the area of Janos and that the possibility of reintroducing specimens from the United States is not against the conservation of the germplasm of the species, since there are individuals that move from one side to another between the two countries.
Producción de goma de huizache (Acacia farnesiana) en un jardín urbano de Delicias, Chihuahua
(Revista Biológico Agropecuaria Tuxpan, 27-10-2020) Magaña Magaña, José Eduardo; Romero Lara, María de los ángeles; Villarreal Ramírez, Víctor Hugo; Uranga Valencia, Luisa Patricia; Barrera Torres, Julio Cesar
The municipality of Delicias, Chihuahua decided to plant huizaches in gardens. This strategy allowed to be integrated into the Agenda 2030 focused in objective 11. An experiment was established with three ethephon treatments with ten repetitions. The variables were gum production, main trunk cutting height and cutting distance on the branches. The application of the hormone was from 50 cm from the ground and the cutting distance of the secondary branches was 15 cm from the main trunk. The cutting length was 2.5 cm and the depth was 0.5 cm. The overall average production of by treatment were: for the treatment of 10% =374.2 gr, treatment of 15% =115.8 gr and treatment of 20% =181.6 gr. The results obtained showed that the best treatment on average per tree was 10%. The plants showed no signs of external alteration. The protein content that is the emulsifier base of the gum indicated that the percentage of protein in the huizache gum was 5.09%and themesquitegum6.65%. Both were above the arabic gum 2.1%. By planting desert species such as huizache, apart from urban landscaping, products can be obtained to get economic resources for an ecological reinvestment of parks and gardens. There has been an identification people with the Chihuahua desert plant like huizache, so that it could allow the municipality of Delicias to be integrated into the ONU Agenda 2030 objective 11.
Relación entre la cobertura del suelo y atributos de la vegetación invernal con Ammodramus bairdii, Audubon 1844, en el noroeste México
(Agrociencia, 19-06-2011) Martínez Guerrero, J. Hugo; Wehenkel, Christian; Pereda Solís, M. Emilio; Panjabi, Arvind; Levandoski, Greg; Corral Rivas, Javier; Díaz Moreno, Raúl
Baird's Sparrow (Ammodramus bairdii) is a migratory grassland bird, whose populations are diminishing, situation aggravating because of the little information available about its wintering habitat requirements in México. The objective of the present study was the assessment of the relationship between soil cover and attributes of winter vegetation with the abundance of Baird's sparrows in the region of Cuchillas de la Zarca in the northwest of México. Therefore, monitoring of birds, soil cover, and vegetation was carried out during the winters 2009 and 2010, using linear transects. The characteristics of the vegetation, where this sparrow was found, did not show significant variability among the monitored quadrants; thus, their values could indicate the wintering habitat for this species in the study area. Spearman rank correlation (rs) was positive for the variables grass height (rs=0.56; p=0.04) and herbage cover (rs=0.60; p=0.02). Ammodramus bairdii prefers sites with tall grass and up to 11 % herbage cover. This study provides valuable information about general characteristics of the winter habitat for this species in México and, furthermore, that more information is required for the conservation of this bird species in its distribution area.