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Contaminación por metales pesados

Authors: Gil Martínez, Marta;

Contaminación por metales pesados

Abstract

La contaminación es uno de los principales problemas ambientales a escala global. La mayor parte de los contaminantes provienen de actividades humanas, como la industria, la agricultura y las actividades domésticas. Y entre las diferentes sustancias o elementos contaminantes encontramos a los metales pesados. El término metales pesados hace referencia a un grupo de metales y metaloides que a menudo causan toxicidad en los organismos, además de problemas ecológicos en el medio ambiente. En concentraciones altas, estos metales pueden causar problemas de toxicidad en humanos. La dosis es algo esencial para conocer el riesgo tóxico, ya que estos metales no son biodegradables y se van acumulando en nuestro organismo. Si los metales se empiezan a acumular en nuestro cuerpo, pueden comenzar a sustituir a otros elementos que sí necesitamos para vivir y alteran procesos fisiológicos básicos pudiendo desembocar en diferentes enfermedades. Los elementos más tóxicos para los humanos y animales son el mercurio, el plomo, el cadmio, el cromo y el arsénico; mientras que para las plantas son el cobre, el níquel, el cobalto y el cinc.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
OpenAIRE UsageCountsViews provided by UsageCounts
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