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El Arte Rupestre Del Arco Mediterraneo De La Peninsula Iberica 10 Anos En La Lista Del Patrimonio Mundial De La Unesco Actas Four Congreso 2009 Isbn 978 84 482 5304 2 Pags 327 334 , 2009
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Science of The Total Environment , 2010
Castañar de Ibor Cave (Spain) was discovered in 1967 and declared a Natural Monument in 1997. In ... more than Castañar de Ibor Cave (Kingdom of spain) was discovered in 1967 and declared a Natural Monument in 1997. In 2003 the cave was opened to public visits. Despite of extensive control, on 26 Baronial 2008 the cavern walls and sediments appeared colonized by long, white fungal mycelia. This event was the effect of an accidental input of detritus on the afternoon of 24 August 2008. We report here a fungal outbreak initiated past Mucor circinelloides and Fusarium solani and the methods used to command it.
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Science of The Total Environment , 2010
During the restoration of the church of "San Esteban" in Cuéllar (Segovia, Spai... more During the restoration of the church of "San Esteban" in Cuéllar (Segovia, Spain) a few sepulchres were opened. Among them was that of Doña Isabel de Zuazo, from the 16th century. Together with the corpse was found a serial of printed documents from the 15th-16th centuries, most of which were bulls of indulgence. A microbiological written report of the documents was carried out using techniques of isolation and molecular microbiology, together with scanning electron microscopy. Most of the identified bacteria were highly suggestive of a human origin, particularly the predominance of Clostridium species consequent with the flora of the human intestinal tract. Our results demonstrate that appreciable post-mortem migration of leaner has taken place from the corpse to the historic documents. This tin be explained considering that the documents were found on pelvic region, and were contaminated past trunk fluids and putrefaction.
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Science , 2011
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FEMS Microbiology Ecology , 2012
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FEMS Microbiology Ecology , 2012
The walls and ceiling of Altamira Cavern, northern Kingdom of spain, are coated with different coloured spots ... more than The walls and ceiling of Altamira Cavern, northern Espana, are coated with different coloured spots (yellow, white and gray). Electron microscopy revealed that the grey spots are composed of bacteria and bioinduced CaCO(3) crystals. The morphology of the spots revealed a dense network of microorganisms organized in well-divers radial and dendritic divergent branches from the central expanse towards the exterior of the spot, which is coated with overlying spheroidal elements of CaCO(iii) and CaCO(3) nest-similar aggregates. Molecular assay indicated that the grey spots were mainly formed by an unrecognized species of the genus Actinobacteria. CO(2) efflux measurements in rocks heavily covered by grey spots confirmed that bacteria-forming spots promoted uptake of the gas, which is abundant in the cave. The leaner can use the captured CO(two) to dissolve the stone and subsequently generate crystals of CaCO(3) in periods of lower humidity and/or CO(2). A tentative model for the germination of these grey spots, supported by scanning electron microscopy and manual electron microscopy information, is proposed.
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Environmental Science and Pollution Research , 2011
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Ecology Science and Pollution Research , 2014
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Ecological Indicators , 2011
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ABSTRACT Ce rapport présente les principaux résultats acquis, au cours des deux dernières années,... more ABSTRACT Ce rapport présente les principaux résultats acquis, au cours des deux dernières années, dans le cadre du projet de recherches « Ecologie Microbienne de la Grotte de Lascaux ». Ces recherches ont été conduites par l'équipe du « Consejo Superior de Investigaciones Científicas, Instituto de Recursos Naturales y Agrobiología » de Séville, dirigé pour le Prof. Dr. Cesáreo Sáiz-Jiménez, en collaboration avec fifty'équipe de recherche INRA dirigée par le Dr. Claude Alabouvette. Le travail a été financé par le Ministère de la Civilisation et de la Communication via la Direction Régionale de l'Action Culturelle d'Aquitaine.
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Abstruse The transfer of the isotopic signals and the trace element abundances in speleothems dep... more ABSTRACT The transfer of the isotopic signals and the trace chemical element abundances in speleothems depends of the gas-aqueous-solid equilibrium conditions in the cave environment. Therefore, the speleothem paleoclimate interpretation requires of a previous knowledge about the influence of gas commutation and cavern ventilation processes on the current speleothem growth, among other hydrogeochemical features related to the infiltration procedure. Here, we propose an intense and rapid multi-parametric report (few-hours long surveys) that includes simultaneous and spatial-distributed sampling and measurements of: carrier (CO2) and trace gases (222Rn and CH4), isotopic indicate of CO2 (d13C) and temperature of a cave temper (Castañar cavern, west-central Spain), in lodge to achieve an early overview and amend empathise the relationships between surface weather and the cave microphysical environment. A portable stable carbon isotope ratio analyzer was used to apace and reliably find 12CO2 and 13CO2 concentration anomalies and identify possible spatial changes in the isotopic composition of the cave air in relation to external soil and atmosphere. Additionally, an aerobiological sampling was conducted to quantify the level of airborne microorganisms (leaner and fungi) in cave air. The spatial distribution of these microenvironmental parameters was modeled past geostatistical techniques. Previous studies revealed that Castañar is a low-energy cave characterized by a very stable microclimate over an annual cycle; however a preferential cave area was identified due to soft only anomalous variations of the measured parameters. Despite information technology is a deep area, far from the unmarried and most elevated archway of the cave, some microenvironmental features at this cavern site reveal a loftier connexion degree with the outer temper: ane) higher air temperature (+0.89oC) and variations (+0.22oC); ii) lower radon levels (roughly -5000 Bq/m3) and three) an elevated level of airborne microorganisms, in relation to nearby emplacements. The homogeneous spatial distribution of CO2 content (3700-3950 ppm) and d13C bespeak of cave air at inner areas (-24.2 to -23.8) propose the soil (-19.eight to -18.6) as the main CO2 source, fifty-fifty in the near superficial areas near cavern entrance and atmosphere (-ix,85 to -11,65). A mixing model could exist inferred with both an active ventilation and gas-exchange with exterior controlled by the geomorphology at surface and filtering by the soil membrane. This methodological approach based on monthly samplings extended over, at to the lowest degree, an annual cycle could exist potentially useful to discriminate or select the speleothems with more reliable climatic records, i.eastward.; distinguishing those located in the virtually microclimatic stable emplacements that should respond to secular changes on climate, from those exposed to short-term climatic changes that could be used as geo-indicators of early alert. Moreover, it provides guidance on conservation strategies of caves such equally for the delimitation of specific and immediate cave protection areas in relation to the surface geomorphology.
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International Journal of Speleology , 2014
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El Arte Rupestre Del Arco Mediterraneo De La Peninsula Iberica 10 Anos En La Lista Del Patrimonio Mundial De La Unesco Actas Iv Congreso 2009 Isbn 978 84 482 5304 2 Pags 327 334 , 2009
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Science of The Total Environment , 2010
Castañar de Ibor Cave (Espana) was discovered in 1967 and declared a Natural Monument in 1997. In ... more Castañar de Ibor Cave (Spain) was discovered in 1967 and declared a Natural Monument in 1997. In 2003 the cavern was opened to public visits. Despite of extensive control, on 26 August 2008 the cavern walls and sediments appeared colonized by long, white fungal mycelia. This event was the result of an accidental input of detritus on the afternoon of 24 August 2008. We report here a fungal outbreak initiated by Mucor circinelloides and Fusarium solani and the methods used to control it.
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Science of The Total Environment , 2010
During the restoration of the church of "San Esteban" in Cuéllar (Segovia, Spai... more During the restoration of the church building of "San Esteban" in Cuéllar (Segovia, Espana) a few sepulchres were opened. Among them was that of Doña Isabel de Zuazo, from the 16th century. Together with the corpse was found a serial of printed documents from the 15th-16th centuries, most of which were bulls of indulgence. A microbiological written report of the documents was carried out using techniques of isolation and molecular microbiology, together with scanning electron microscopy. Nigh of the identified bacteria were highly suggestive of a human origin, specially the predominance of Clostridium species consistent with the flora of the human intestinal tract. Our results demonstrate that appreciable post-mortem migration of bacteria has taken place from the corpse to the historic documents. This can be explained considering that the documents were found on pelvic region, and were contaminated past body fluids and putrefaction.
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Science , 2011
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FEMS Microbiology Ecology , 2012
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FEMS Microbiology Ecology , 2012
The walls and ceiling of Altamira Cave, northern Spain, are coated with unlike coloured spots ... more The walls and ceiling of Altamira Cave, northern Espana, are coated with different coloured spots (xanthous, white and greyness). Electron microscopy revealed that the grey spots are composed of bacteria and bioinduced CaCO(3) crystals. The morphology of the spots revealed a dense network of microorganisms organized in well-defined radial and dendritic divergent branches from the cardinal area towards the exterior of the spot, which is coated with overlying spheroidal elements of CaCO(3) and CaCO(3) nest-like aggregates. Molecular analysis indicated that the grayness spots were mainly formed by an unrecognized species of the genus Actinobacteria. CO(2) efflux measurements in rocks heavily covered by gray spots confirmed that bacteria-forming spots promoted uptake of the gas, which is abundant in the cave. The bacteria can use the captured CO(2) to deliquesce the stone and subsequently generate crystals of CaCO(3) in periods of lower humidity and/or CO(2). A tentative model for the formation of these greyness spots, supported by scanning electron microscopy and transmission electron microscopy data, is proposed.
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Environmental Scientific discipline and Pollution Research , 2011
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Environmental Scientific discipline and Pollution Research , 2014
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Ecological Indicators , 2011
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Abstract Ce rapport présente les principaux résultats acquis, au cours des deux dernières années,... more ABSTRACT Ce rapport présente les principaux résultats acquis, au cours des deux dernières années, dans le cadre du projet de recherches « Ecologie Microbienne de la Grotte de Lascaux ». Ces recherches ont été conduites par l'équipe du « Consejo Superior de Investigaciones Científicas, Instituto de Recursos Naturales y Agrobiología » de Séville, dirigé pour le Prof. Dr. Cesáreo Sáiz-Jiménez, en collaboration avec l'équipe de recherche INRA dirigée par le Dr. Claude Alabouvette. Le travail a été financé par le Ministère de la Civilisation et de la Advice via la Direction Régionale de l'Action Culturelle d'Aquitaine.
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ABSTRACT The transfer of the isotopic signals and the trace element abundances in speleothems dep... more ABSTRACT The transfer of the isotopic signals and the trace element abundances in speleothems depends of the gas-aqueous-solid equilibrium atmospheric condition in the cave surround. Therefore, the speleothem paleoclimate estimation requires of a previous knowledge most the influence of gas exchange and cavern ventilation processes on the current speleothem growth, among other hydrogeochemical features related to the infiltration process. Here, we propose an intense and rapid multi-parametric written report (few-hours long surveys) that includes simultaneous and spatial-distributed sampling and measurements of: carrier (CO2) and trace gases (222Rn and CH4), isotopic indicate of CO2 (d13C) and temperature of a cavern atmosphere (Castañar cave, west-central Kingdom of spain), in order to achieve an early on overview and better understand the relationships between surface weather and the cave microphysical environment. A portable stable carbon isotope ratio analyzer was used to chop-chop and reliably detect 12CO2 and 13CO2 concentration anomalies and identify possible spatial changes in the isotopic composition of the cavern air in relation to external soil and atmosphere. Additionally, an aerobiological sampling was conducted to quantify the level of airborne microorganisms (bacteria and fungi) in cavern air. The spatial distribution of these microenvironmental parameters was modeled by geostatistical techniques. Previous studies revealed that Castañar is a low-free energy cave characterized by a very stable microclimate over an annual bicycle; however a preferential cave expanse was identified due to soft simply anomalous variations of the measured parameters. Despite information technology is a deep area, far from the unmarried and well-nigh elevated entrance of the cave, some microenvironmental features at this cave site reveal a loftier connection caste with the outer atmosphere: 1) college air temperature (+0.89oC) and variations (+0.22oC); 2) lower radon levels (roughly -5000 Bq/m3) and 3) an elevated level of airborne microorganisms, in relation to nearby emplacements. The homogeneous spatial distribution of CO2 content (3700-3950 ppm) and d13C signal of cave air at inner areas (-24.2 to -23.viii) suggest the soil (-19.viii to -eighteen.6) as the chief CO2 source, even in the most superficial areas most cave entrance and atmosphere (-9,85 to -xi,65). A mixing model could be inferred with both an active ventilation and gas-exchange with exterior controlled by the geomorphology at surface and filtering by the soil membrane. This methodological approach based on monthly samplings extended over, at to the lowest degree, an annual cycle could be potentially useful to discriminate or select the speleothems with more than reliable climatic records, i.east.; distinguishing those located in the most microclimatic stable emplacements that should answer to secular changes on climate, from those exposed to short-term climatic changes that could exist used as geo-indicators of early alarm. Moreover, it provides guidance on conservation strategies of caves such as for the delimitation of specific and immediate cave protection areas in relation to the surface geomorphology.
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International Journal of Speleology , 2014
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