Evidence map›Paper›PMID 29771969›Full record

ArticlePloS one2018

Impact of industrial phosphate waste discharge on the marine environment in the Gulf of Gabes (Tunisia).

Akram El Kateb, Claudio Stalder, Andres Rüggeberg, Christoph Neururer, Jorge E Spangenberg, Silvia Spezzaferri

Abstract read
In one paragraph

Article in PloS one, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.

0numbers the graph read from it
0cells of the map it votes in
10citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

10 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Akram El KatebDepartment of Geosciences, University of Fribourg, Chemin du Musée 6, Fribourg, Switzerland.ORCID 0000-0002-0925-8097
Claudio StalderFederal Office of Public Health FOPH, Radiation Protection Division, Schwarzenburgstrasse 157, Bern, Switzerland.
Andres RüggebergDepartment of Geosciences, University of Fribourg, Chemin du Musée 6, Fribourg, Switzerland.
Christoph NeururerDepartment of Geosciences, University of Fribourg, Chemin du Musée 6, Fribourg, Switzerland.
Jorge E SpangenbergInstitute of Earth Surface Dynamics (IDYST), University of Lausanne, Lausanne, Switzerland.
Silvia SpezzaferriDepartment of Geosciences, University of Fribourg, Chemin du Musée 6, Fribourg, Switzerland.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The marine environment in the Gulf of Gabes (southern Tunisia) is severely impacted by phosphate industries. Nowadays, three localities, Sfax, Skhira and Gabes produce phosphoric acid along the coasts of this Gulf and generate a large amount of phosphogypsum as a waste product. The Gabes phosphate industry is the major cause of pollution in the Gulf because most of the waste is directly discharged into the sea without preliminary treatment. This study investigates the marine environment in the proximity of the phosphate industries of Gabes and the coastal marine environment on the eastern coast of Djerba, without phosphate industry. This site can be considered as "pristine" and enables a direct comparison between polluted and "clean" adjacent areas. Phosphorous, by sequential extractions (SEDEX), Rock-Eval, C, H, N elemental analysis, and stable carbon isotope composition of sedimentary organic matter, X-ray diffraction (qualitative and quantitative analysis) were measured on sediments. Temperature, pH and dissolved oxygen were measured on the water close to the sea floor of each station to estimate environmental conditions. These analyses are coupled with video surveys of the sea floor. This study reveals clear differentiations in pollution and eutrophication in the investigated areas.

Indexed as

Environmental MonitoringEutrophicationIndustrial WasteOceans and SeasPhosphatesTunisiaWater Pollutants, ChemicalIndustrial WastePhosphatesWater Pollutants, Chemical

Identifiers

PMID29771969
PMCPMC5957445

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.