@article{fdi:010019153, title = {{C}ontaminacion ambiental por mercurio de los rios {C}hairo y {H}uarinilla en el parque nacional y area natural de manejo integrado {C}otapata}, author = {{Q}uiroga {V}eizaga, {I}. and {M}aurice {B}ourgoin, {L}aurence}, editor = {}, language = {{ESP}}, abstract = {{T}his work studies mercury contamination to gold-mining activities in the "{P}arque {N}acional y {A}rea {N}atural de {M}anejo {I}ntegrado {C}otapata". {T}he mining area takes place on the head of a subandina river basin, the {C}hairo and {H}uarinilla rivers, affluents of the {C}oroico river. {B}oth run through the protected area and pass through the {C}hairo {V}illage. {T}he mercury concentratons were determined in suspended solids and fishes that were collected in the area of {C}otapata {N}ational {P}ark. {T}he water samples were collected in 5 points of the study area and were processed carefully - ultraclean protocols were used ({A}hlers et al, 1990). {T}he mercury analysis results obtained in suspended solids in 2 points of the {C}hairo {R}iver head 4 and 15 micrograms/g. {T}he obtained values in bottom sedminents are 11,5 micrograms/g in the river basin and 0,41 micrograms/g in the {C}hairo and {H}uarinilla rivers ; in the fishes in the {H}uarinilla river the average concentration is 0,142 micrograms/g. {S}o here is a beginning of a contamination risk by mercury in the {C}hairo and {H}uarinilla rivers. ({R}{\'e}sum{\'e} d'auteur)}, keywords = {{POLLUTION} {DES} {EAUX} {CONTINENTALES} ; {CONTAMINATION} ; {COURS} {D}'{EAU} ; {MERCURE} ; {MINE} ; {MATIERE} {EN} {SUSPENSION} ; {SEDIMENT} ; {POISSON} {D}'{EAU} {DOUCE} ; {ANALYSE} {CHIMIQUE} ; {BOLIVIE} ; {COTAPATA} {PARC} {NATIONAL} ; {CHAIRO} {COURS} {D}'{EAU} ; {HUARINILLA} {COURS} {D}'{EAU}}, booktitle = {}, journal = {{R}evista {B}oliviana de {Q}uimica}, volume = {14}, numero = {1}, pages = {68--80}, year = {1997}, URL = {https://www.documentation.ird.fr/hor/fdi:010019153}, }