Recent Salt Marsh Development and Natural Regeneration of Reclaimed Areas in the Plentzia Estuary, N. Spain

Cearreta, Alejandro; Irabién, María Jesús; Ulibarri, Isabel; Yusta, Iñaki; Croudace, Ian W.; Cundy, Andrew B.

doi:10.1006/ecss.2001.0862

Cited by 71 publications

(48 citation statements)

References 49 publications

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“…This also means that 1 cm of core corresponds to about 1.7 ± 0.2 years. The uncertainty on this quantity has been calculated as σ T = T σ k /k, σ k being the statistical uncertainty on the fitting parameter k. The sedimentation rate we obtain is comparable with values obtained in other subtidal areas with relevant anthropogenic apport (see, for instance, Freitas et al 1998;Cearreta et al 2002;Jha et al 2003;Di Leonardo et al 2007).…”

Section: Resultsmentioning

confidence: 82%

Dating of a Sediment Core by 210Pbex Method and Pb Pollution Chronology in the Palermo Gulf (Italy)

Rizzo

Basile

Caruso

et al. 2009

Water Air Soil Pollut

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Within a more general study on marine sediments in the Gulf of Palermo (Sicily, Italy), the 210 Pb ex dating method (using a model with constant sedimentation rate) has been applied to one sediment core. The main goal of the research was to study the Pb pollution chronology. Dating of the core has allowed evaluating the time evolution of the gulf lead concentrations. Specific activities of 137 Cs have also been measured in the sediment core sections as an independent confirmation of the chronology derived by the 210 Pb ex method. The time scale has then been used to correlate lead concentrations in core sections to estimated lead emissions in air due to gasoline

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Section: Resultsmentioning

confidence: 82%

Dating of a Sediment Core by 210Pbex Method and Pb Pollution Chronology in the Palermo Gulf (Italy)

Rizzo

Basile

Caruso

et al. 2009

Water Air Soil Pollut

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“…Bhalla and Nigam (1986) noted a decline in foraminiferal species diversity in response to the discharge of ammonia and arsenic from the fertilizer industries. Cearreta et al (2002) and Armynot du Châtelet et al (2004) also reported the adverse effects of metallic pollution on the foraminiferal population and species diversity.…”

Section: Discussionmentioning

confidence: 92%

Benthic foraminiferal assemblages as pollution proxies in the northern coast of Gabes Gulf, Tunisia

Aloulou

Elleuch

Kallel

2011

Environ Monit Assess

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A study of chemical and sedimentological parameters integrated with benthic foraminifera investigation was conducted along the northern coast of Gabes Gulf. Thirty-two samples were studied and a total of 68 benthic foraminiferal species were identified. Heavy metals enrichment factors and total hydrocarbon concentrations showed both metal and petrogenic pollution related mainly to phosphogypsum, sewage, and fishing activities. Statistical analysis (bivariate correlation and hierarchical cluster analysis) show a possible control of these pollutants on density, diversity, as well as the taxonomic composition of the benthic foraminiferal assemblages. The extent to which the population was found less dense and less diversified corresponded to the degree to which the sediment was contaminated. In these contaminated sites, an increase in relative abundance of opportunistic species such Ammonia tepida and Haynesina germanica was found. Far from pollution, foraminiferal assemblages are dominated by species characteristic of Mediterranean shallow water (Ammonia beccarii, Ammonia parkinsoniana, Elphidium crispum, Elphidium williamsoni, Elphidium advenum, Peneroplis planatus, Peneroplis pertesus).

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“…Establishing pollution histories in aqueous environments for example, normally involves the collection and investigation of sediment cores (e.g. Croudace and Cundy 1995;Cearreta et al 2002;Cundy et al 2003). In this context, the introduction of highresolution core scanners has provided a technical advance that allows rapid and non-destructive analysis.…”

Section: Introductionmentioning

confidence: 99%

X-Ray Core Scanners as an Environmental Forensics Tool: A Case Study of Polluted Harbour Sediment (Augusta Bay, Sicily)

Croudace

Romano

Ausili

et al. 2015

Developments in Paleoenvironmental Research

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Since the 1970s the highly industrialised and enclosed Augusta Bay (Sicily) has become internationally recognized as a polluted environment that could represent a hazard to human health. The pollutant of greatest concern, derived from a former chlor-alkali plant, is mercury that exists beyond Intervention Levels in parts of the harbour. The affected areas are also contaminated by other heavy metals and organic compounds (PAHs and PCBs) that were mainly discharged from co-located petrochemical industries. Several previous investigations established the magnitude of particular contaminants in sediments and evaluated the impact of the pollution on a range of biota. The current study, which represented part of a larger project managed by the Italian Environmental Research Institute ISPRA, was concerned with investigating a series of cores collected across the harbour area to establish reliable pollution chronologies based on elemental and radiochronological ( 137 Cs) profiles. The declared motivation for the main project was to acquire scientific evidence that could be used to support a legal investigation against the industries that caused the pollution and who could potentially be expected to contribute to remediation costs. Undisturbed cores were collected from the northern (mildly polluted), central (significantly polluted) and southern (strongly polluted) parts of the Bay using available bathymetric data to avoid areas affected by dredging. The study has demonstrated the value of using an automatic, X-ray sediment core scanner (Itrax) to acquire high-resolution geochemical data. The Itrax provided a non-destructive, sensitive and rapid capability to systematically analyse a broad range of major and trace elements. One of the collected cores of this study, taken from the most polluted site,

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Recent Salt Marsh Development and Natural Regeneration of Reclaimed Areas in the Plentzia Estuary, N. Spain

Cited by 71 publications

References 49 publications

Dating of a Sediment Core by 210Pbex Method and Pb Pollution Chronology in the Palermo Gulf (Italy)

Dating of a Sediment Core by 210Pbex Method and Pb Pollution Chronology in the Palermo Gulf (Italy)

Benthic foraminiferal assemblages as pollution proxies in the northern coast of Gabes Gulf, Tunisia

X-Ray Core Scanners as an Environmental Forensics Tool: A Case Study of Polluted Harbour Sediment (Augusta Bay, Sicily)

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