Heavy Metal Concentrations in Fish from a Pristine Rainforest Valley in Peru: A Baseline Study Before the Start of Oil-Drilling Activities

Gutleb, Arno C.; Helsberg, A.; Mitchell, Christine A.

doi:10.1007/s00128-002-0093-7

Cited by 17 publications

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“…It is considered that in Sinaloa state, agriculture is intense, Cu supply is represented by substances used in the manufacturing of fertilizers (Dean et al 1972); it was documented that organophosphorous and metallic fungicides (enriched in Mn, Zn, and Cu) had been used (IAEA 1990). Though Cu is considered as an essential element for biota, higher levels could be a risk for predators including man (Watling 1983); nevertheless, in comparison to levels (0.81-3.76 μg g −1 ) reported in muscle of detritivorous fish (Pimelodus ornatus) from a pristine site in Peru (Gutleb et al 2002), average Cu concentrations in muscle of the detritivorous fish M. cephalus from Altata-Ensenada del Pabellón and Topolobampo were comparable (1.18 and 1.24 μg g −1 , respectively). In a previous in tissues of carnivorous fish species from Topolobampo lagoon (a) and the rest of the studied sites (b) and in non-carnivorous species from studied places (c) study (Izaguirre-Fierro et al 1992) with Mugil curema from AEP, mean levels of Cu in muscle (6.3 μg g −1 d.w.) were five times more elevated than concentrations (1.2 μg g −1 d.w.) reported in the present study for M. cephalus from the inner parts of the same coastal lagoon.…”

Section: Resultsmentioning

confidence: 76%

Essential (Cu) and nonessential (Cd and Pb) metals in ichthyofauna from the coasts of Sinaloa state (SE Gulf of California)

Ruelas-Inzunza¹,

Páez‐Osuna

García-Flores³

2009

Environ Monit Assess

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With the aim of giving an overview on concentration and distribution of Cd, Cu, and Pb in fish from the coasts of Sinaloa state (SE Gulf of California), specimens with different feeding habits were collected in five locations. Sampling occurred between June 2003 and March 2004. Metal analyses on fish tissues were made by graphite furnace (Cd, Pb) and flame (Cu) atomic absorption spectrophotometry. Metal concentrations in tissues of carnivorous fish were grouped together and compared with corresponding concentrations in non-carnivorous fish; Cu and Pb levels were significantly (p < 0.05) higher in liver of non-carnivorous species. Though no samples exceeded the maximum level set in international legislation for fish, from the perspective of the public health and considering the legal limits of fishery products for human consumption, Cu concentrations were exceeded (in tissues different from muscle) in four carnivorous and five non-carnivorous species according to the Australian legislation. In the case of Cd, two carnivorous species (Pomadasys leuciscus and Caulolatilus princeps) and one non-carnivorous species (Mugil cephalus), showed concentrations over the maximum level of 2 microg g(-1) dry weight considered in the Mexican legislation. Considering average amounts of fish consumption in Mexico, daily mineral intake (DMI) values for Cu and percentage weekly intake (PWI) of Cd and Pb were estimated; none of the analyzed metals in edible portion of analyzed fish could be detrimental to humans.

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Section: Resultsmentioning

confidence: 76%

Essential (Cu) and nonessential (Cd and Pb) metals in ichthyofauna from the coasts of Sinaloa state (SE Gulf of California)

Ruelas-Inzunza¹,

Páez‐Osuna

García-Flores³

2009

Environ Monit Assess

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“…In contrast, fishes sampled by [8] from aquatic habitats inside Manu National Park from 1990-1993 seemed to have slightly lower Hg concentrations; two of the seven fish species sampled had MeHg concentrations above USEPA fish tissue criterion. Again assuming that 95% of THg is MeHg, fishes sampled in 1997 by [32] from an isolated site with no gold mining and very low human population density on the Candemo River, Bahuaja-Sonene National Park, had much lower MeHg concentrations ranging from 0.012 mg/kg ww tissue for the detritivore Prochilodus nigricans to 0.086 mg/kg ww tissue for Pseudoplatystoma sp., a carnivorous pimelodid catfish.…”

Section: Discussionmentioning

confidence: 99%

“…Additionally, the Madre de Dios Department has the greatest number of unapproved mining permits in Peru (i.e., final approval of a mining permit requires an environmental impact report, [35]) and produces 70% of the country's gold [34]. The high levels of imported Hg combined with the higher Hg concentra [8] tions observed in fish collected near mined sites [8,30] compared to those captured near more pristine sites, such as the Candemo River [32], suggest that mining is the most important source of contamination at our study site. The gold mining that we have observed in the Tambopata River main channel occurs at a small scale; we saw only one operation during our fieldwork from May to July 2009 near the ecotourism lodge Posada Amazonas.…”

Section: Discussionmentioning

confidence: 99%

Gold Mining and Mercury Bioaccumulation in a Floodplain Lake and Main Channel of the Tambopata River, Perú

Roach¹,

Jacobsen²,

Fiorello³

et al. 2013

JEP

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Contamination of water bodies by inorganic mercury (Hg [II]) used in placer mining of gold deposits in the Madre de Dios Department, Perú, contributes to the bioaccumulation of methylmercury (MeHg) in fish tissue. We measured MeHg and total Hg (THg) concentrations (mg/kg wet weight [ww] tissue) of thirteen fish species from the Tambopata River, Perú, and the connected oxbow lake Tres Chimbadas. We also used stable isotope analysis (δ 15 N and δ 13 C) to estimate trophic positions of fishes. Average MeHg concentrations of fish species ranged from 0.042 mg/kg ww (Satanoperca jurupari) to 0.463 mg/kg ww (Hoplias malabaricus) in the main channel and from 0.090 mg/kg ww (Parauchenipterus sp.) to 1.282 mg/kg ww (Pimelodina flavipinnis) in the lake. Spearman rank correlation indicated that trophic position had no influence on MeHg concentrations of species in the main channel, but in the lake, trophic positions of species were positively associated with MeHg. Migrations of the pimelodid catfish surveyed from the main channel are well documented. Because little gold mining occurs at our study site, fishes from the main channel may be bioaccumulating MeHg from areas where mining is widespread. Fish species that reside in the lake are relatively sedentary and migration is limited by the brief period of floodplain inundation and the long, narrow corridor that connects the lake to the main channel; lake sediments are therefore the likely source for MeHg bioaccumulation. Five out of the eight fish species surveyed from the main channel and two out of the five species from the lake had MeHg levels higher than United States Environmental Protection Agency fish tissue criterion for human consumption.

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“…2001). The accumulation of heavy metals in fish organs has been studied by several investigators (Ghazaly et ai, 1992;Khallaf ei ai" 1998;EI-Moselhy, 1999;Abdel-Baky, 2001;Bahnasawy, 2001;Heba et aU 2001.Gutleb et aL 2002.…”

Section: Distribution Of Some Heavy Metals In Tissues Of Some Fishes mentioning

confidence: 99%

Distribution of Some Heavy Metals in Tissues of Oreochrom1s Siloticus* Tilap1a Zjll11 and Clarias Lazera From Abu Za'baal Lakes and Their Impacts on Some Biochemical Parameters and on the Histological Structures of Some Organs

Zahran

Gad

2005

Egypt. J. of Aquatic Biolo. and Fish.

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A bu Za'baal Lakes are man-made lakes, formed by the fracture apd extract of rocks. The lakes, as other inland closed basins. receive their water from the ground and seepage waters. They consist of three lakes and another filling-phase lake. In the present study, the concentrations of some heavy metals {Fe. Zn. Mn. Pb. Cu and Cd) in water and organs (muscles, gills, liver and kidney) of O. niloticus. T, zillii and C. iazera collected from Abu Za'baai Lakes were measured during winter. 2004. The effects of the tested metals on the total protein and total lipid contents in the muscle and liver and on the histological structures of the gills. liver and kidneys of fish were studied.The present results showed that the levels of Fe. Zn. Mn. Pb. Cu and Cd in the water of Abu Za'baal lakes ranged between 3.22-6.0L 0.21-1.50. 0.67-1.64. 0.62-1.67. 0.13-0.20 and 0.03-0.06 mc/L respectively. The highest \ allies of metals were reported in the third lake, while their lowest values were in the first one.It was found that the metals were accumulated in different organs of the studied fish b> various levels. The concentration of the tested metals in different organs of (I niloticus and T zillii followed a sequence of: Fe. /n. Mn. Pb and Cd in muscles < gills < liver < kidnevs. however. Cu in muscles • uills < kidnevs < liver for (). nilolicus and in gills ■■ muscles ■ kidneys < liver for T. zillii. On the other hand, in C lazcra. Fe and Cu were in muscles < gills < kidneys < liver. Zn. Pb and Cd in muscles •' gills < liver --' kidneys and Mn in muscles < li\er -kidne\> gills. In general, the concentrations ol

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Heavy Metal Concentrations in Fish from a Pristine Rainforest Valley in Peru: A Baseline Study Before the Start of Oil-Drilling Activities

Cited by 17 publications

References 0 publications

Essential (Cu) and nonessential (Cd and Pb) metals in ichthyofauna from the coasts of Sinaloa state (SE Gulf of California)

Essential (Cu) and nonessential (Cd and Pb) metals in ichthyofauna from the coasts of Sinaloa state (SE Gulf of California)

Gold Mining and Mercury Bioaccumulation in a Floodplain Lake and Main Channel of the Tambopata River, Perú

Distribution of Some Heavy Metals in Tissues of Oreochrom1s Siloticus* Tilap1a Zjll11 and Clarias Lazera From Abu Za'baal Lakes and Their Impacts on Some Biochemical Parameters and on the Histological Structures of Some Organs

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Heavy Metal Concentrations in Fish from a Pristine Rainforest Valley in Peru: A Baseline Study Before the Start of Oil-Drilling Activities

Cited by 17 publications

References 0 publications

Essential (Cu) and nonessential (Cd and Pb) metals in ichthyofauna from the coasts of Sinaloa state (SE Gulf of California)

Essential (Cu) and nonessential (Cd and Pb) metals in ichthyofauna from the coasts of Sinaloa state (SE Gulf of California)

Gold Mining and Mercury Bioaccumulation in a Floodplain Lake and Main Channel of the Tambopata River, Per&#250;

Distribution of Some Heavy Metals in Tissues of Oreochrom1s Siloticus* Tilap1a Zjll11 and Clarias Lazera From Abu Za'baal Lakes and Their Impacts on Some Biochemical Parameters and on the Histological Structures of Some Organs

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Gold Mining and Mercury Bioaccumulation in a Floodplain Lake and Main Channel of the Tambopata River, Perú