[1]
|
M. Cortazar, “El Oro de Portovelo,” MC Editors, Soboc Grafic, Quito, 2005, p. 152.
|
[2]
|
T. Bustamante and R. Lara, “El Dorado o la Caja de Pandora, Matices Para Pensar la Minería en Ecuador,” Flacso Sede Ecuador, 1ra Edición, Quito, 2010, p. 145.
|
[3]
|
M. E. Garcia, et al., “History of Mining around the Poopo Lake and Environmental Consequences,” Vatten, Vol. 61, 2005, pp. 243-248.
|
[4]
|
R. Paredes, “Oro y Sangre en Portovelo, el Imperialismo en el Ecuador,” Artes Gráficas, Quito, 1938, p. 228.
|
[5]
|
A. Acosta, “La Maldición de la Abundancia,” CEP-Abya Yala, 1ra Edición, Quito, 2009, p. 239.
|
[6]
|
O. Betancourt, “Para la Ense?anza e Investigación de la Salud y Seguridad en el Trabajo,” FUNSAD-OPS/OMS, Primera Edición, 1999, pp. 171-232.
|
[7]
|
M. Priester and T. Hentschel, “Small-Scalle Gold-Mining Processing Techniques in Developing Countries,” GATE GTZ, Vieweg, 1992, pp. 15-81.
|
[8]
|
J. R. D. Guimaraes, O. Betancourt, R. Barriga, E. Cueva and S. Betancourt, “Long-Range Effect of Cyanide on Mercury Methylation in a Gold Mining Area in Southern Ecuador,” Science of the Total Environment, Vol. 409, No. 23, 2011, pp. 5026-5033.
doi:10.1016/j.scitotenv.2011.08.021
|
[9]
|
F. Hruschka and C. Salinas, “Estudio Colectivo de Impacto Ambiental y Plan de Manejo Ambiental para las Plantas de Beneficio Mineral Aurífero ubicadas en la Vega del Río Calera/Salado,” CENDA-COSUDE, Projekt Consult, Mimeo, Zaruma, 1996.
|
[10]
|
Prodeminca, “Evaluation of Impacts in the Mining District of Zaruma-Portovelo and the Puyango River Basin. Proyecto Desarrollo Minero y Control Ambiental, Pro deminca, Swedish Environmental Systems,” Ministerio de Energia y Minas del Ecuador, Quito, 1998, p. 212.
|
[11]
|
N. H. Tarras-Wahlberg, A. Flachier, S. N. Lane and O. Sangfors, “Environmental Impacts and Metal Exposure of Aquatic Ecosystems in Rivers Contaminated by Small Scale Gold Mining: The Puyango River Basin, Southern Ecuador,” Sciences of the Total Environment, Vol. 278, No. 1-3, 2001, pp. 239-261.
doi:10.1016/S0048-9697(01)00655-6
|
[12]
|
P. C. Velasquez-Lopez, M. M. Veiga and K. Hall, “Mercury Balance in Amalgamation in Artisanal and Small Scale Gold Mining: Identifying Strategies for Reducing Environmental Pollution in Portovelo-Zaruma, Ecuador,” Journal of Clean Production, Vol. 18, No. 3, 2010, pp. 226-232. doi:10.1016/j.jclepro.2009.10.010
|
[13]
|
J. Marrugo, L. Benitez and J. Olivero, “Distribution of Mercury in Several Environmental Compartments in an Aquatic Ecosystem Impacted by Gold Mining in Northern Colombia,” Arch Environ Contam Toxicol, Vol. 55, 2008, pp. 305-316. doi:10.1007/s00244-007-9129-7
|
[14]
|
L. M. Bourgoin, et al., “Mercury Pollution Due to Gold Mining in the Bolivian Amazonian Basin. Mercury as a Global Pollulant,” 5th International Conference, Río de Janeiro, 1999, p .152.
|
[15]
|
Bravo, et al., “Assessment of Mercury Levels in Soils, Waters, Bottom Sediments and Fishes of Acre State in Brazilian Amazon,” Water, Air, and Soil Pollution, Vol. 147, No. 1-4, 2003, pp. 61-77.
|
[16]
|
R. Cesar, et al., “Mercury, Copper and Zinc Contamination in Soils and Fluvial Sediments from an Abandoned Gold Mining Area in Southern Minas Gerais State, Brazil,” Environmental Earth Science, Vol. 64, No. 1, 2011, pp. 211-222.
|
[17]
|
J. R. D. Guimaraes, O. Malm and M. Meili, “Mercury in Soils, Sediments and Fish around the Poconé Gold Mining Area, Pantanal, Brazil: Some Movilisation but No Health Risks. Mercury as a Global Pollulant,” 5th International Conference, Río de Janeiro, 1999, p. 154.
|
[18]
|
J. Howard, et al., “Total Mercury Loadings in Sediment from Gold Mining and Conservation Areas in Guyana,” Environ Monit Assess, Vol. 179, No. 1-4, 2011, pp. 555 573. doi:10.1007/s10661-010-1762-3
|
[19]
|
S. Montgomery, et al., “Total Dissolved Mercury in the Water Column of Several Natural and Artificial Systems of Northern Quebec Canada,” Canadian Journal of Fisheries and Aquatic Sciences, Vol. 52, No. 11, 1995, pp. 2483-2492.
|
[20]
|
M. Roulet, et al., “Mercury and Other Trace Metals Dispersion from Gold Mines in the Puyango River, Ecuadorian Andes,” 6th International Conference on Mercury as a Global Pollulant, Japan, October 2001.
|
[21]
|
O. Betancourt, N. Alberto and R. Marc, “Small-Scale Gold Mining in the Puyango River Basin, Southern Ecuador: A Study of Environmental Impacts and Human Exposures,” EcoHealth, Vol. 2, No. 4, 2005, pp. 323-332.
doi:10.1007/s10393-005-8462-4
|
[22]
|
O. Betancourt, et al., “Environmental and Health Impacts of Small Scale Gold Mining in Ecuador (Phase 2),” Informe Técnico, FUNSAD, 2007.
|
[23]
|
ATSDR, “Tox Guide for Arsenic As,” CAS 7440-38-2, 2005. www.atsdr.cdc.gov.toxiguides/toxguide-2.pdf
|
[24]
|
Gobierno del Ecuador, “Texto Unificado de Legislación Secundaria del Ministerio del Ambiente, Libro VI, Anexo 1, Norma de Calidad Ambiental y de Descarga de Efluentes: Recurso Agua,” Registr Oficial, Edición Espe cial 2, 2003.
|
[25]
|
C. Abi-Ghanem, “Mercury Distribution and Methylmer cury Mobility in the Sediments of Three Sites on the Lebanese Coast, Eastern Mediterranean,” Achieves of En vironmental Contamination Toxicology, Vol. 60, 2010, pp. 394-405.
|
[26]
|
Y. H. Lin, M. X. Guo and W. M. Gan, “Mercury Pollu tion from Small Gold Mines in China,” Water, Air, and Soil Pollution, Vol. 97, No. 3-4, 1995, pp. 233-239.
|
[27]
|
M. Roulet, M. Lucotte, R. Canuel, N. Farella, M. Courcelles, J. R. D. Guimar?es, D. Mergler and M. Amorim, “Increase in Mercury Contamination Recorded in Lacustrine Sediments Following Deforestation in Central Amazonia,” Chemical Geology, Vol. 165, No. 3-4, 2000, pp. 243-266. doi:10.1016/S0009-2541(99)00172-2
|
[28]
|
M. Roulet, M. Lucotte, N. Farella, G. Serique, H. Coelho, C. J. Passos, E. D. De Jesus Da Silva, P. S. de Andrade, D. Mergler, J. R. D. Guimaraes and M. Amorim, “Effects of Recent Human Colonization on the Presence of Mercury in Amazonian Ecosystems,” Water, Air and Soil Pollution, Vol. 112, No. 3-4, 1999, pp. 297-313.
doi:10.1023/A:1005073432015
|
[29]
|
M. Roulet, M. Lucotte, A. Saint-Aubin, S. Tran, I. Rhéault, N. Farella, E. D. De Jesus Da Silva, J. Dezencourt, C. J. Sousa Passos, G. Santos Soares, J. R. D. Guimar?es, D. Mergler and M. Amorim, “The Geochemistry of Hg in Central Amazonian Soils Developed on the Alter-Do Ch?o Formation of the Lower Tapajós River Valley, Pará State, Brazil,” The Science of the Total Environment, Vol. 223, No. 1, 1998, pp. 1-24.
doi:10.1016/S0048-9697(98)00265-4
|
[30]
|
P. Motta, “Hierro y Manganeso en Aguas Superficiales y Subterráneas,” Argentina, 2005.
|
[31]
|
A. Danielsson, “A Large Scale Mercury Variation in Lake Vaner, Sweden, 2001.
|
[32]
|
O. Betancourt, et al., “Impacts on Environmental Health of Small-Scale Gold Mining in Ecuador,” In: D. F. Charron, Ed., Ecohealth Research in Practice: Innovative Applications of an Ecosystem Approach to Health, Springer, New York, 2012.
|