Search Results - "species"
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161
Distribución ecológica de la herpetofauna de la Sierra de Gomas, en el estado de Nuevo León.
Published 2018“…The sampling method used was the "complete inventory of species," which is the most efficient to obtain the largest number of species in the shortest time by experienced collectors. …”
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162
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163
Hongos ectomicorrícicos asociados a los bosques mixtos de pino-encino, encino y coníferas en el ejido Pueblo Nuevo en el estado de Durango.
Published 2017“…The diversity in the 2016 season for pineoak forest with 31 species, encino with 34 species and finally conifers with 18 species this season. …”
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164
Hongos ectomicorrícicos asociados a los bosques mixtos de pino-encino, encino y coníferas en el ejido Pueblo Nuevo en el estado de Durango.
Published 2017“…The diversity in the 2016 season for pineoak forest with 31 species, encino with 34 species and finally conifers with 18 species this season. …”
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Tesis -
165
Estudio taxonómico y filogenético del género Gyromitra (Fungi, Ascomycotina, Pezizales)
Published 2006“…This study confirm sporal ornamentation is a quantitative character with taxonomic value at species level. According this taxonomical proposal and according type material study Gyromitra includes 22 valid species.…”
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Tesis -
166
Estudio taxonómico y filogenético del género Gyromitra (Fungi, Ascomycotina, Pezizales)
Published 2006“…This study confirm sporal ornamentation is a quantitative character with taxonomic value at species level. According this taxonomical proposal and according type material study Gyromitra includes 22 valid species.…”
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167
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170
Resistencia de raíces en especies nativas para la estabilidad de suelos relacionados con la prevención de desastres.
Published 2017“…The objective of this study is to estimate the tensile strength of native vegetation species and analyze if there are differences between species in two different ecosystems: Tamaulipan thornscrub and Pine-Oak forest. …”
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Tesis -
171
Distribución de especies de plantas nativas y exóticas al lado de caminos a lo largo de un gradiente altitudinal en el noreste de México.
Published 2018“…The floristic composition of the sampling sites shows a diversity of 61 families, 163 genera, 178 native species and 17 correspond to exotic, having in this way an average of one exotic species at each sampling site. …”
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172
Composición y diversidad de especies forestales en bosques templados de Puebla, México
Published 2017“…The results showed 11 tree species belonging to five genera. The richest family was Pinacea, with six species, of which P. montezumae presented the highest values of density, basal area and crown area, followed by A. religiosa. …”
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173
Resistencia de raíces en especies nativas para la estabilidad de suelos relacionados con la prevención de desastres.
Published 2017“…The objective of this study is to estimate the tensile strength of native vegetation species and analyze if there are differences between species in two different ecosystems: Tamaulipan thornscrub and Pine-Oak forest. …”
Get full text
Tesis -
174
Distribución de especies de plantas nativas y exóticas al lado de caminos a lo largo de un gradiente altitudinal en el noreste de México.
Published 2018“…The floristic composition of the sampling sites shows a diversity of 61 families, 163 genera, 178 native species and 17 correspond to exotic, having in this way an average of one exotic species at each sampling site. …”
Get full text
Tesis -
175
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176
Listado florístico de especies anuales de floración invernal en el noreste de Nuevo León, México
Published 2013“…Nine species are reported as new for the flora of Nuevo León. …”
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177
Listado florístico de especies anuales de floración invernal en el noreste de Nuevo León, México
Published 2013“…Nine species are reported as new for the flora of Nuevo León. …”
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178
Nutritional value of Acacia amentacea and parkinsonia texana grown in semiarid conditions
Published 2014“…In order to evaluate the nutritional value of Parkinsonia texana and Acacia amentacea, two leguminosae species of the Tamaulipan scrubland, Northeastern Mexico, two experiments were carried out: the first tested the effects of season and browse species on chemical composition as nutritional variable to small ruminants; the second tested the effect of the addition of polyethylene glycol (PEG) on fermentation parameters. …”
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179
Caracterización de estructura de ecosistemas forestales en Durango, México
Published 2005“…The space structure was determined, the structure of species and the dimensional structure. For the space structure use the index of Wi Angles, for the structure of species the index of mixture of species (Fuldner, 1995) and for the dimensional differentiation use the index of dominancia (Hui et al., 1998). …”
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Tesis -
180
Caracterización de estructura de ecosistemas forestales en Durango, México
Published 2005“…The space structure was determined, the structure of species and the dimensional structure. For the space structure use the index of Wi Angles, for the structure of species the index of mixture of species (Fuldner, 1995) and for the dimensional differentiation use the index of dominancia (Hui et al., 1998). …”
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Tesis