La investigación busca proponer estrategias para la integración productiva entre los subsectores ... more La investigación busca proponer estrategias para la integración productiva entre los subsectores cultural y turístico del departamento del Quindío (Colombia) para el desarrollo del turismo cultural. La metodología es descriptiva y exploratoria y la población corresponde a gestores y expertos en el ámbito cultural y de alojamientos y restaurantes relacionados con el turismo. Se concluye que es necesario un cambio de concepción para impulsar como la innovación, incorporación de actores, formación del talento humano y uso de tecnologías de información y comunicación.
Flowers offer favourable microenvironments for yeast growth, and are increasingly recognised as a... more Flowers offer favourable microenvironments for yeast growth, and are increasingly recognised as a rich source of novel yeast species. Independent surveys of yeasts associated with flowers and pollinators in South Africa led to the discovery of 38 strains of two new species. Physiological profiles and analysis of the internal transcribed spacer and the D1/D2 domains of the large subunit rRNA gene showed that they represent two novel species that belong to the Wickerhamiella clade. We describe the species as Wickerhamiella nectarea f.a. sp. nov. (type strain EBDCdVSA11-1T, CBS 14162T, NRRL Y-63791T) and W. natalensis f.a. sp. nov. (type strain EBDCdVSA7-1T, CBS 14161T, NRRL Y-63790T). We extend the known range of flower-associated Wickerhamiella species to South Africa and discuss the ecology and phylogenetic relationships of the clade in relation to its host species and biogeography. Examination of growth characteristics supports that the Wickerhamiella clade exhibits a high degree o...
The association between plants and flower visitors has been historically proposed as a main facto... more The association between plants and flower visitors has been historically proposed as a main factor driving the evolutionary change of both flower and pollinator phenotypes. The considerable diversity in floral morphology within the tribe Antirrhineae has been traditionally related to pollinator types. We used empirical data on the flower visitors from 59 Antirrhineae taxa from the literature and our own field surveys, which provide an opportunity to test whether flower phenotypes are reliable predictors of visitors and pollinator niches (i.e., a particular guild of pollinators that comprise a realized niche for the plant). The degree of adjustment between eight key floral traits and actual visitors was explored by testing the predictive value (PV) of inferred pollinator syndromes (i.e., suites of floral traits that characterize groups of plant species related to pollination). Actual visitors and inferred pollinator niches (categorization of visitors' association using a modularity algorithm) were also explored using Linear Discriminant Analysis (LDA). The bee pollinator niche is correctly classified (92.5% accuracy) for flowers with dull corolla colour, without nectar guides, as the most important predictor. Both predictive value and statistical classification prove useful in classifying Antirrhineae taxa and the bee pollinator niche, mostly as a consequence of the high proportion of genera (18 of 21) and taxa (48 of 59 species and subspecies) with occluded corollas primarily visited by bees. Our predictive approach rendered a high Positive Predictive Value (PPV) of floral traits in the diagnosis of visitors/pollinator niches (c. 62 to 66%). In particular, a high PPV was found for bees as both visitors (91.5%) and forming pollinator niches (81.3%). In addition, LDA showed that four pollinator niches (generalist, hummingbird, moth and particularly bees) are well defined based on floral traits. The greater number of species visited by bees irrespective of pollinator syndromes leads us to hypothesize a generalist pollinator pattern despite the phenotypically specialized flowers of Antirrhineae. This article is protected by copyright. All rights reserved.
Información del libro Contabilidad de costes: cuestiones, supuestos prácticos resueltos y propues... more Información del libro Contabilidad de costes: cuestiones, supuestos prácticos resueltos y propuestos.
Resumo: Las pruebas cruzadas para detectar la presencia de anticuerpos linfocitotóxicos en el sue... more Resumo: Las pruebas cruzadas para detectar la presencia de anticuerpos linfocitotóxicos en el suero de candidatos a trasplante renal, son decisivas en el estudio pretrasplante. En el presente estudio se reportan los hallazgos en 97 pacientes con insificiencia renal ...
La investigación busca proponer estrategias para la integración productiva entre los subsectores ... more La investigación busca proponer estrategias para la integración productiva entre los subsectores cultural y turístico del departamento del Quindío (Colombia) para el desarrollo del turismo cultural. La metodología es descriptiva y exploratoria y la población corresponde a gestores y expertos en el ámbito cultural y de alojamientos y restaurantes relacionados con el turismo. Se concluye que es necesario un cambio de concepción para impulsar como la innovación, incorporación de actores, formación del talento humano y uso de tecnologías de información y comunicación.
Flowers offer favourable microenvironments for yeast growth, and are increasingly recognised as a... more Flowers offer favourable microenvironments for yeast growth, and are increasingly recognised as a rich source of novel yeast species. Independent surveys of yeasts associated with flowers and pollinators in South Africa led to the discovery of 38 strains of two new species. Physiological profiles and analysis of the internal transcribed spacer and the D1/D2 domains of the large subunit rRNA gene showed that they represent two novel species that belong to the Wickerhamiella clade. We describe the species as Wickerhamiella nectarea f.a. sp. nov. (type strain EBDCdVSA11-1T, CBS 14162T, NRRL Y-63791T) and W. natalensis f.a. sp. nov. (type strain EBDCdVSA7-1T, CBS 14161T, NRRL Y-63790T). We extend the known range of flower-associated Wickerhamiella species to South Africa and discuss the ecology and phylogenetic relationships of the clade in relation to its host species and biogeography. Examination of growth characteristics supports that the Wickerhamiella clade exhibits a high degree o...
The association between plants and flower visitors has been historically proposed as a main facto... more The association between plants and flower visitors has been historically proposed as a main factor driving the evolutionary change of both flower and pollinator phenotypes. The considerable diversity in floral morphology within the tribe Antirrhineae has been traditionally related to pollinator types. We used empirical data on the flower visitors from 59 Antirrhineae taxa from the literature and our own field surveys, which provide an opportunity to test whether flower phenotypes are reliable predictors of visitors and pollinator niches (i.e., a particular guild of pollinators that comprise a realized niche for the plant). The degree of adjustment between eight key floral traits and actual visitors was explored by testing the predictive value (PV) of inferred pollinator syndromes (i.e., suites of floral traits that characterize groups of plant species related to pollination). Actual visitors and inferred pollinator niches (categorization of visitors' association using a modularity algorithm) were also explored using Linear Discriminant Analysis (LDA). The bee pollinator niche is correctly classified (92.5% accuracy) for flowers with dull corolla colour, without nectar guides, as the most important predictor. Both predictive value and statistical classification prove useful in classifying Antirrhineae taxa and the bee pollinator niche, mostly as a consequence of the high proportion of genera (18 of 21) and taxa (48 of 59 species and subspecies) with occluded corollas primarily visited by bees. Our predictive approach rendered a high Positive Predictive Value (PPV) of floral traits in the diagnosis of visitors/pollinator niches (c. 62 to 66%). In particular, a high PPV was found for bees as both visitors (91.5%) and forming pollinator niches (81.3%). In addition, LDA showed that four pollinator niches (generalist, hummingbird, moth and particularly bees) are well defined based on floral traits. The greater number of species visited by bees irrespective of pollinator syndromes leads us to hypothesize a generalist pollinator pattern despite the phenotypically specialized flowers of Antirrhineae. This article is protected by copyright. All rights reserved.
Información del libro Contabilidad de costes: cuestiones, supuestos prácticos resueltos y propues... more Información del libro Contabilidad de costes: cuestiones, supuestos prácticos resueltos y propuestos.
Resumo: Las pruebas cruzadas para detectar la presencia de anticuerpos linfocitotóxicos en el sue... more Resumo: Las pruebas cruzadas para detectar la presencia de anticuerpos linfocitotóxicos en el suero de candidatos a trasplante renal, son decisivas en el estudio pretrasplante. En el presente estudio se reportan los hallazgos en 97 pacientes con insificiencia renal ...
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