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Ecotoxicological studies on effects of landfill leachates on plants and animals in Central Spain

AutorPastor Piñeiro, Jesús ; Alía, Mario; Hernández, Ana Jesús; Adarve, M. J.; Urcelay, A.; Antón, F. A.
Palabras claveLandfill leachates
Ecotoxicological effects
Hordeum murinum
Trifolium toemntosum
Rattus norvegicus
Fecha de publicación1993
CitaciónThe Science of the Total Environment, Supplement 1993: 127:134 (1993)
ResumenActually the production of domestic waste is increasing so much that waste disposal has become a serious problem in many countries in terms of both difficulty in obtaining a location for their disposal and concern for the hazard to the human-environment system. In Spain, landfill is the most common method of municipal solid waste disposal. Water percolating through wastes dissolves inorganic and organic components, thereby producing contaminated leachates which in many cases join water superficial streams. In this paper we study the effects of leachates from landfills located on siliceous soils on plants and animals. In addition some inorganic components of leachates (SO42- and F-) are considered individually. For animal experimentation a population of Rattus norvegicus is used, and weight increase is the main parameter studied. In the case of plants, the growth of two species -- a grass Hordeum murinum L. and a legume Trifolium tomentosum L., both representative of the flora of the area, is tested. In the case of animals results show differences between treatments, synthetical leachates being the most toxic. For plant species the ecotoxicological impact is not so important and differences between species are minor too.
Descripción8 pages, figures and tables statistics.
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