[PDF] Top 20 Patterns of distribution of nine <em>Quercus</em> species along an environmental gradient in a fragmented landscape in central Mexico
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Patterns of distribution of nine <em>Quercus</em> species along an environmental gradient in a fragmented landscape in central Mexico
... oak species partitioning of the environmental gradient and that the pattern of distribution was independent of the taxonomic ...pair of species; the most ... See full document
12
Climatic determinants of acorn size and germination percentage of <em>Quercus rugosa</em> (Fagaceae) along a latitudinal gradient in Mexico
... main patterns of geographical variation related to acorn size have been described for oaks in North ...among species, probably because species with larger acorns have greater success ... See full document
9
Morphological differentiation among populations of <em>Quercus elliptica</em> Neé (Fagaceae) along an environmental gradient in Mexico and Central America
... whole distribution of ...overprediction of the area of distribution of the species due to the wide range of environmental conditions in which the ... See full document
16
Environmental filters determine the distribution of tree species in a threatened biodiversity hotspot in western Mexico
... Plant species richness increases with ecosystem productivity, which in turn is related to high temperature, water availability and resources such as soil nutrients (Currie 1991, Pausas & Austin 2001, ... See full document
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Landscape composition influences abundance patterns and habitat use of three ungulate species in fragmented secondary deciduous tropical forests, Mexico
... (SER) in permanent transects. SER is an abundance index derived from counts of sign (Nichols and Conroy, 1996) and it was estimated as the number of tracks recorded along each transect ... See full document
13
Characterization of the secondary metabolites in the seeds of nine native bean varieties (<em>Phaseolus vulgaris</em> and <em>P. coccineus</em>) from Querétaro, Mexico
... content in seed coat was measured using the vanillin and (+)-catechin technique modified for microplate, and the results were reported as µg (+)-Cat/ml (Mejía et ...injected in triplicate into a reversed ... See full document
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Pollination biology of <em>Agave horrida</em> (Agavaceae) in the Chichinautzin mountain range, in Central Mexico”
... hours of diurnal nectar production as a mechanism to attract diurnal visitors, such as ...prevent an extreme specialization and its inherent risks (Howell & Roth 1981, Kearns et ...absence of its ... See full document
9
A new species of </em>Biophytum</em> (Oxalidaceae) from Southern Mexico
... densamente adpreso puberulentos y con diminutos tricomas glandulares esparcidos por el envés, glaucescentes, pilosos en el margen, mucronados, el mucrón de 0.5-1 mm de largo, peciolulados, peciólulos de 0.2-0.5 mm de ... See full document
5
<em>Nolina excelsa</em> (Nolinaceae) a new species of Oaxaca, Mexico
... de an- cho, lineares, cartáceas, glaucas, ápice largamente atenuado, margen denticulado, los dientecillos disminuyen en tama- ño y se separan más hacia el ápice, el tercio distal entero y hialino, haz y envés con ... See full document
5
Landscape structure and live fences in Andes Colombian agrosystems: upper basin of the Cane Iguaque River
... remnants of the original forest or planted to delineate property or act as wind and firebreaks (Küppers 1992, Molano et ...elements in neo- tropical agricultural landscapes and may play important roles ... See full document
10
Beta diversity metrics and the estimation of niche width via species co-occurrence data: reply to Zeleny
... as in Fridley et al . (2007). To focus on the sensitivity of the co-occurrence based estimation of species specialization to local richness gradients we used fixed niche widths of 1000 ... See full document
5
Drought impacts on tree growth of two pine species along an altitudinal gradient and their use as early warning signals of potential shifts in tree species distributions
... Drought impacts on tree growth of two pine species along an altitudinal gradient and their use as early-warning signals of potential shifts in tree species distributions.. Article begins[r] ... See full document
42
Distribution and conservation of <em>Portulaca</em> (Portulacaceae) in Cuba
... Tal evaluación del riesgo de extinción de las especies nativas de Portulaca en Cuba se basó en la determinación de su extensión de presencia y área de ocupación, en[r] ... See full document
21
Population genetic structure of an extremely logged tree species <em>Guaiacum sanctum</em> L. in the Yucatan Peninsula, Mexico
... endemic species, Guaiacum unijugum from the Cape region in Baja California, Mexico, showed low values of genetic diversity (N e = ...logging. In contrast, in our study and using ... See full document
12
Electrophoretic analysis of seed proteins in Argentinean species of Phaseolinae (Fabaceae) - Sociedad Argentina de Botánica
... This would be the ing to four genera of Phaseolinae (Phaseolus, reason of the great differences observed between Dolichopsis, Vigna and Macroptilium ), which had Phaseolus species, which[r] ... See full document
7
A new species of <em>Deiregyne</em> (Orchidaceae: Spiranthinae) from Hidalgo, Mexico
... Close-up of a portion of the infl ...view of fl ower with sepals and petals excised to show the position of labellum and ...view of column apex after removal of the ... See full document
5
Natural history of <em>Dioon merolae</em> (Zamiaceae) in Chiapas, Mexico
... los in- dividuos adultos, la ausencia de un plan de manejo para estos últimos que pudiera presentarse a los espadañeros los expone también a la severa cosecha anual de hojas con las conse- cuencias negativas ... See full document
15
Distribution patterns of the genus Zanthoxylum L. (Rutaceae) in Mexico
... pantropical distribution pattern. Mexico is considered a center of ...Thus, in this work, we performed a track analysis using the program Trazos 2004® and 2 Parsimony Analyses of ... See full document
10
Influencia del uso del suelo sobre el efecto de borde en un fragmento de bosque atlántico en el noreste de Brasil
... studied in tropical forests, the effects of edge creation in open ombrophilous forests of the Atlantic Forest of northeastern Brazil are little ...loss of leaves may respond ... See full document
5
Tree community patterns along a deciduous to evergreen forest gradient in central Bolivia
... plots in the Refugio Los Volcanes seasonal forests (1,000-1,400 m elevation), located in the Andean foothills of central ...variants of deciduous, semi-deciduous and evergreen forest ... See full document
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