Publication: Mineralogénesis, procesos geobiológicos y evolución sedimentaria en lagunas salinas del centro peninsular (Cuenca del Duero y Guadiana)
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2019-06-25
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Universidad Complutense de Madrid
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Abstract
La presente Tesis Doctoral se centra en el estudio de los procesos biosedimentarios que tienen lugar en dos complejos lagunares endorreicos del centro peninsular que presentan distinta naturaleza hidroquímica. El primero, situado en la provincia de Toledo (Lagunas de Lillo), comprende las lagunas de El Longar, Altillo Grande y Altillo Chica. El segundo grupo está integrado por las lagunas de Las Eras,Caballo Alba y Bodón Blanco, que están ubicadas entre las provincias de Segovia y Valladolid (Lagunas de Coca-Olmedo). A excepción de la laguna de El Longar, que es permanente, la presencia de agua en estas lagunas es limitada, secándose desde el final de la primavera hasta el final del verano. En todas ellas se desarrollan tapices microbianos formados por comunidades de microorganismos. Estos organismos, por sus actividades metabólicas, interaccionan con el medio modificando sus condiciones.Para llevar a cabo este estudio se han utilizado varias técnicas petrológicas, mineralógicas y microbiológicas...
The PhD thesis focuses on understanding the biosedimentary processes that occur in two endorheic playa-lake systems in Central Spain with markedly different hydrochemistry. The first wetland comprises Lake Longar, Lake Altillo Grande and Lake Altillo Chica in Lillo village, Toledo province, while the second system includes Lake Eras, Lake Caballo Alba and Lake Bodón Blanco located between Coca and Olmedo villages, in Segovia and Valladolid provinces. The presence of water in the playas is limited as most of them desiccate during the summer, except Lake Longar, which is a permanent Lake. The six lakes present seasonally the development of microbial communities that form mats. These organisms can influence the environment due to their metabolic activities. The study was carried out using petrological, mineralogical and microbiological techniques...
The PhD thesis focuses on understanding the biosedimentary processes that occur in two endorheic playa-lake systems in Central Spain with markedly different hydrochemistry. The first wetland comprises Lake Longar, Lake Altillo Grande and Lake Altillo Chica in Lillo village, Toledo province, while the second system includes Lake Eras, Lake Caballo Alba and Lake Bodón Blanco located between Coca and Olmedo villages, in Segovia and Valladolid provinces. The presence of water in the playas is limited as most of them desiccate during the summer, except Lake Longar, which is a permanent Lake. The six lakes present seasonally the development of microbial communities that form mats. These organisms can influence the environment due to their metabolic activities. The study was carried out using petrological, mineralogical and microbiological techniques...
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Tesis inédita de la Universidad Complutense de Madrid, Facultad de Ciencias Geológicas, Departamento de Mineralogía y Petrología leída el 29-06-2018