Heavy metals in the Tiber river basin

Pettine, M.; Noce, T. La; Macchi, G.; Millero, Frank J.

doi:10.1016/0025-326x(82)90398-8

Cited by 6 publications

(3 citation statements)

References 7 publications

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“…In particular, mine operations developed over long time periods in historical mining districts have had significant adverse environmental effects in proximity ecosystems (Gosar et al, 1997;Vrhovnik et al, 2013;Resongles et al, 2014). Evidence of contamination can frequently be found beyond the local mined area and in some cases significant contamination can be detected several tens of kilometers away from the source (Pettine et al, 1982;Gosar et al, 1997;Lechler et al, 1997;Gosar, 2008;Covelli et al, 2012;Bavec et al, 2014;Gray et al, 2014;Tornero et al, 2014).…”

Section: Introductionmentioning

confidence: 99%

Sequential extraction procedure as a tool to investigate PTHE geochemistry and potential geoavailability of dam sediments (Almadén mining district, Spain)

García-Ordiales

Covelli

Esbrí

et al. 2016

CATENA

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Sediments from Castilseras reservoir (Almadén) were collected to assess the potential environmental hazards associated with the availability of Potentially Toxic or Harmful Elements (PTHE) in this freshwater environment. PTHE concentrations in sediments were investigated using a four step (F1–F4) Sequential Extraction Procedure (SEP) and the results were evaluated using Principal Component Analysis (PCA) and different risk indexes and criteria. Considering the fractions results and the PCA treatment, two groups of elements can be differentiated in the easily leached by weak acids fraction F1 and these indicate the presence of sulfate and secondary precipitates of carbonates as the main sink for easily accessible metallic elements. In reducible fraction F2, chemical analysis revealed a significant relationship between the majority of the analyzed elements and the Fe oxy-hydroxides, with the exception of Co, Hg and Ni, which are preferentially associated with Mn oxy-hydroxides. In the oxidizable fraction (F3), a significant relationship between Cu, Fe, Hg and Zn (representative metals of the existing ore deposits) and sulfides/organic matter was observed. The environmental assessment based on the aforementioned criteria provides risk levels varying from moderate to high. The risk appears to be higher near the dam, where the higher PTHE levels in sediment are due to a selective accumulation of fine-grained particles

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Section: Introductionmentioning

confidence: 99%

Sequential extraction procedure as a tool to investigate PTHE geochemistry and potential geoavailability of dam sediments (Almadén mining district, Spain)

García-Ordiales

Covelli

Esbrí

et al. 2016

CATENA

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“…As a consequence, there is no way to formally test whether older eels experienced different environmental conditions in their early years of life with respect to what experienced by younger cohorts of yellow eels in the late years of the last decade. However, there is no evidence that environmental conditions have dramatically changed in any of the three sites during the last twenty years [21] – [24] . The only exception is for water salinity in LES, which underwent wide fluctuations in the last decade (between 15 and 25 [25] , [26] ).…”

Section: Discussionmentioning

confidence: 97%

Fishery-Induced Selection for Slow Somatic Growth in European Eel

et al. 2012

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Both theoretical and experimental studies have shown that fishing mortality can induce adaptive responses in body growth rates of fishes in the opposite direction of natural selection. We compared body growth rates in European eel (Anguilla anguilla) from three Mediterranean stocks subject to different fishing pressure. Results are consistent with the hypotheses that i) fast-growing individuals are more likely to survive until sexual maturity than slow-growing ones under natural conditions (no fishing) and ii) fishing can select for slow-growing individuals by removing fast-growing ones. Although the possibility of human-induced evolution seems remote for a panmictic species like such as the European eel, further research is desirable to assess the implications of the intensive exploitation on this critically endangered fish.

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“…One of the most pleasant cruises I went on was by car, in Italy, studying the Tiber River , Pettine et al 1982. I spent my one and only sabbatical leave in Rome in 1980.…”

Section: Wwwannualreviewsorg • Reflections Of a Marine Physical Chementioning

confidence: 99%

Reflections on My Career as a Marine Physical Chemist, and Tales of the Deep

Millero

2015

Annu. Rev. Mar. Sci.

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This is a personal review of how one can apply the principles of physical chemistry to study the ocean and other natural waters. Physical chemistry is the study of chemical thermodynamics, kinetics, and molecular structure. My long-term interest in the chemistry of seawater is an extension of my early work on water and the interactions that occur in aqueous electrolyte solutions, which I began as part of my PhD research on the thermodynamics of organic acids in water. Over the years, I have attempted to apply the tools of physical chemistry to elucidate the structures of seawater, brines, lakes, and rivers. I have developed and continue to work on ionic interaction models that can be applied to all natural waters. Here, I reflect on how my students, postdocs, research assistants, and scientific colleagues have influenced my life, my career, and the field of marine physical chemistry. My hope was and is to use these tools to understand the molecular structures of natural waters.

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Heavy metals in the Tiber river basin

Cited by 6 publications

References 7 publications

Sequential extraction procedure as a tool to investigate PTHE geochemistry and potential geoavailability of dam sediments (Almadén mining district, Spain)

Sequential extraction procedure as a tool to investigate PTHE geochemistry and potential geoavailability of dam sediments (Almadén mining district, Spain)

Fishery-Induced Selection for Slow Somatic Growth in European Eel

Reflections on My Career as a Marine Physical Chemist, and Tales of the Deep

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