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341
Differences of vegetation structure and diversity of a forest in an altitudinal gradient of the Sierra La Laguna Biosphere Reserve, Mexico
Published 2018“…The vegetation communities showed a high similarity in the composition of species. Key words: Altitudinal gradient, Baja California, diversity, species richness, vegetation structure. …”
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342
Reconstrucción histórica de incendios forestales mediante técnicas dendrocronológicas en el Cerro El Potosí, Nuevo León
Published 2019“…ABSTRACT The present study was carried out in Cerro El Potosí, a protected natural área, in which species with a high biological and ecological interest are housed, where fires have adapted to the dynamics and composition of the forest. The objective of the work was to reconstruct the history of fires and to know the variables of the climate have influenced its incidence through the application of dendrochronological methods. …”
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343
Microbiota gastrointestinal y síndrome de intestino irritable
Published 2014“…Thirdly, the inability to absolutely establish the microbiota that is characteristic of IBS due to the factors mentioned by García-Mazcorro et al. is a fundamental aspect of our review.2 In fact, that was why we reached the conclusion that even though there is evidence that the intestinal microbiota is different in persons with IBS from that of normal subjects (level 3b evidence, grade B recommendation), it is not possible to establish a microbial composition that is specific for this disorder (level 3b evidence, grade B recommendation).2 On the other hand, we agree that the taxonomic levels found were not mentioned in some cases, but some of the studies reviewed only reported the differences in microbial groups. …”
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344
Producción de hojarasca y retorno de nutrientes vía foliar en un matorral desértico micrófilo en el Noreste de México = Litterfall production and nutrient returns through leaves in...
Published 2013“…The spatio-temporal differences in litterfall and mineral return might have been related to the extreme temperatures, plant species composition and chemical soil properties.…”
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345
Envejecimiento poblacional y condiciones de vida de los adultos mayores: la situación paraguaya en perspectiva latinoamericana
Published 2012“…Indicators that serve as a basis for comparative analysis include: 1) Composition by age of populations: a) demographic ageing, b) ageing of older people, c) index of aging, and d) lifespan at 65; 2) Socio-demographic indicators: a) percentage of population of 65 years and over illiterate, b) percentage of population 65 years and over residing in rural areas, and c) type of household for the population on 65 years by relation of kinship; 3) Socio-economic indicators: a) labor condition of the population on 65 years and over, b) percentage of older people who receives pension, c) percentage of persons 65 years and over who lives with $2.5 dollars per day (indigence line), d) housing quality in which resides the population of 65 years and over.…”
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346
Desarrollo de un patrón de referencia para clasificar el físico corporal y su proporcionalidad basado en la relación de masa magra y masa grasa
Published 2017“…Capítulo 2: Validar el físico corporal proporcionado por el equipo Tanita® Body Composition Analyzer SC-331 comparado con un patrón de referencia específico basado en masa magra y masa grasa para sujetos de 19 – 30 años. …”
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347
Reconstrucción histórica de incendios forestales mediante técnicas dendrocronológicas en el Cerro El Potosí, Nuevo León
Published 2019“…ABSTRACT The present study was carried out in Cerro El Potosí, a protected natural área, in which species with a high biological and ecological interest are housed, where fires have adapted to the dynamics and composition of the forest. The objective of the work was to reconstruct the history of fires and to know the variables of the climate have influenced its incidence through the application of dendrochronological methods. …”
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350
COMPARACIÓN DEL PORCENTAJE DE GRASA CORPORAL ESTIMADO POR LA FÓRMULA DE DEURENBERG Y EL OBTENIDO POR PLETISMOGRAFÍA POR DESPLAZAMIENTO DE AIRE
Published 2011“…Abstract Air-displacement plethysmography (BOD POD) and the predictive formula proposed by Deurenberg are two of many validated methods reported for assessment of body composition and percentage of body fat calculation that have been used in diverse populations. …”
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351
Comportamiento Tribológico y Microestructural en Recubrimientos Aplicados por GTAW y HVOF (Proceso Térmico de Espreado) y Usado en Recuperación de Aceros Grado Herramienta AISI/SAE...
Published 2016“…For those materials that are easy to crack and modified its composition due hard phases formation and high carbon content, because of the process conditions which combine a relative low flame temperature with a low exposition time. …”
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352
Revisión estratigráfica del jurásico en el Cerro la Cruz, Aramberri, Nuevo León.
Published 2016“…The young clastic unit (Olvido Formation) has a major grade of textural maturity. Compositional features of La Boca y La Joya Formations show a acid source and Olvido Formation are linked to intermedie-acid source. …”
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353
Distribución de insectos necrófagos bajo un gradiente altitudinal en el monumento nacional “Cerro de la Silla”, Guadalupe, Nuevo León.
Published 2018“…The factors that significantly influenced the abundance, diversity, and composition of the fauna of insects of forensic importance were the temperature and relative humidity.…”
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354
Análisis microfacial, paleontológico y geoquímico en carbonatos de la Formación el Abra, Cerritos, San Luis Potosí, México
Published 2018“…A group of 13 representative samples was selected which were analyzed by ICPMS and X-ray diffraction to know the elemental composition of trace elements and rare earth and mineral phases, respectively. …”
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355
Post-fire successional response of Lepidoptera communities in the Sierra Madre Oriental mountain range
Published 2019“…Changes in butterfly community composition post-fire support the theory that butterflies are early colonizing species and are sensitive to forest disturbances. …”
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356
Richness and trophic guilds of carnivorous mammals in ejido Nuevo Becal, Calakmul, Campeche, Mexico
Published 2017“…This study explored the species richness and composition of trophic guilds of the assemblage of the Order Carnivora in an area adjacent to Calakmul Biosphere Reserve, Mexico. …”
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357
Metabolomic and biodirected phytochemical study of Hechtia glomerata, evaluation of its antibacterial and cytotoxic activity, and determination of the mechanism of action of one ac...
Published 2020“…Hence their constituents were investigated giving a high similarity in their composition, especially they shared many hydroxycinnamic acid derivatives like p-coumaric and caffeic acid. …”
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358
Revisión estratigráfica del jurásico en el Cerro la Cruz, Aramberri, Nuevo León.
Published 2016“…The young clastic unit (Olvido Formation) has a major grade of textural maturity. Compositional features of La Boca y La Joya Formations show a acid source and Olvido Formation are linked to intermedie-acid source. …”
Get full text
Tesis -
359
Distribución de insectos necrófagos bajo un gradiente altitudinal en el monumento nacional “Cerro de la Silla”, Guadalupe, Nuevo León.
Published 2018“…The factors that significantly influenced the abundance, diversity, and composition of the fauna of insects of forensic importance were the temperature and relative humidity.…”
Get full text
Tesis -
360
Análisis microfacial, paleontológico y geoquímico en carbonatos de la Formación el Abra, Cerritos, San Luis Potosí, México
Published 2018“…A group of 13 representative samples was selected which were analyzed by ICPMS and X-ray diffraction to know the elemental composition of trace elements and rare earth and mineral phases, respectively. …”
Get full text
Tesis