
handle: 10261/79825
[Se ha realizado el estudio del método matemático "Gauss Peak Spectrum" , que después se puso a punto en nuestro laboratorio. Este trabajo muestra el protocolo seguido para la operatividad de un método que consideramos importante para la evaluación del efecto de metales pesados del suelo en especies vasculares herbáceas. Los resultados se muestran para cuatro gramíneas pascícolas (Agrostis castellana , Arrhenatherum bulbosum, Dactylis glomerata, Micropyrum tenellum, que crecen en el emplazamiento de una mina de plata abandonada en la provincia de Toledo. Las gramíneas son, en este enclave, las especies de mayor valor pastoral para la nutrición del ganado que las pasta, así como de la abundante fauna silvestre (el emplazamiento es un coto de caza). La capa superficial de los suelos presenta niveles de Pb y Zn muy elevados, y Cd y Cu están en varios lugares por encima de los niveles de referencia aceptables para los suelos. El método permite cuantificar las clorofilas afectadas por Cu, Zn y Cd en las especies analizadas. Cu es el metal que más afecta a la clorofila-a, a pesar de ser Zn el que más acumulan estas especies]
[The "Gauss Peak Spectrum" mathematical method was studied and optimized in our laboratory. This work shows the protocol followed for the operation of a method we consider important in assesssing the effect of heavy metals in vascular herbaceous species. Results are shown for four pasture grasses, which grow on the site of abandoned silver mine in Toledo province. In this enclave grasses are the species with most pastoral value for Iivestock nutrition as well as for the abundant wildlife (the site is a hunting ground). The top soil layer has very high levels of Pb and Zn, and Cd and Cu are above acceptable reference levels for soil in several places. The method allows quantification of chlorophylls affected by Cu, Zn and Cd in the analyzed species (Agrostis castellana, Arrhenatherum bulbosum, Dactylisglomerata, Micropyrum genellum). Chlorophyll-a is mostly affected by Cu, even though zn is the metal most accumulated in these species]
proyectos CTM 2008-04827ITECNO, del Ministerio de Ciencia e Innovación, y P2009/AMB-1478A, Programa EIADES de la Comunidad de Madrid
6 páginas y 2 tablas estadísticas
Peer reviewed
Agrostis castellana, Micropyrum tenellum, Zn, Arrhenatherum bulbosum, Dactylis glomerata, Cu, Cd
Agrostis castellana, Micropyrum tenellum, Zn, Arrhenatherum bulbosum, Dactylis glomerata, Cu, Cd
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