Contaminacin por metales pesados en la Cuenca del Ro Moche, 1980
2010, La Libertad PerPollution b! hea"! metals in the Moche Ri"er
#asin, 1980 $2010, La Libertad $Peru%&li' (uaran)a Moreno1,*,
+duardo M&nde, -arca2, .ito /uilcat Len0, %&li' (uaran)a
1r&"alo213epartamento de #iolo)a, %acultad de Ciencias
#iol)icas, 4ni"ersidad 5acional de 6ru7illo, Per82 3epartamento de
1)ronoma ! 9ootecnia, %acultad de Ciencias 1)ropecuarias,
4ni"ersidad 5acional de 6ru7illo, Per8 03epartamento de /umica0,
%acultad de :n)eniera /umica, 4ni"ersidad 5acional de 6ru7illo,
Per82 1)rosolutions+:RL, 6ru7illo, Per8 Recibido 18 +nero 2012;
aceptado 00 ue la especie m=s contaminada8Palabras cla"eC
Contaminacin, rela"e, metal pesado, !uca81bstract6he pollution
o> the continental Jaters is a problem at a Jorld scale, mainl!
due to the impact o> the minin) tailin)s8 4sin) top technolo)ies
as neutrali,ation plants o> acid Jaters, man! companies are
miti)atin) the impact o> this >unctionin); so taHin) as a
re>erence the chan)es in the concentration o> hea"! metals
present in Jater, soils and culti"ations o> the hi)h, middle and
loJ basin o> the Moche ri"er, samplin)s o> Jater Jere
obtained at ei)ht stations o> the Moche ri"er @6ru7illo, PeruA,
and in >our sectors o>its mar)ins >or soils and
culti"ations8 6he most representati"e hea"! metals in Jater Jere
>ound in the hi)h basin durin) the !ear 1980C iron @DDE8D00
ppmA, lead @10080ED ppmA, cadmium @28DD0 ppmA, copper @F8900 ppmA,
,inc @2F28900 ppmA and arsenic @98000 ppmA; Jhereas in the soils
the hi)her concentrations Jere >ound on the ri)ht mar)in o>
median basin in the !ear 1980C iron @808200 m)GH)A; lead @08820
m)GH)A; cadmium @08012 m)GH)A; copper @18220 m)GH)A; ,inc @08080
m)GH)A and arsenic @0801F m)GH)A; in relation to the metal
accumulation in the culti"ations, iron @08FD2D m)GH)A Jas
predominant, bein) the !ucca @Manihot esculentusA the most
contaminated culti"ation n8 :t is concluded that, most
contamination le"el o> Jater anal!sis Jas present in the hi)h
basin durin) 1980, Jhereas the ri)ht side o> the median basin
hi)hest le"els o> contamination in the samples o> soils;
relatin) to the culti"es, the !ucca @Manihot esculentusA Jas the
species most contaminated8Ke!JordsCPollution, tailin)s, hea"!
metal, !ucca8
