OHMi Estarreja

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  - L'OHMI - Estarreja a été créé pour étudier les multiples effets de l'activité industrielle dans la municipalité d'Estarreja, et pour contribuer à l'amélioration de la connaissance de ses effets et évaluer les progrès résultants des interventions d'atténuation déjà développées dans la région.
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  - L'OHM Estarreja étudie les multiples effets de l’activité industrielle développée sur la commune d’Estarreja, dans le but d’améliorer les connaissances sur ces effets, mais aussi d'évaluer l’évolution découlant des interventions de réhabilitation déjà entreprises dans cette zone.
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Mots-clés	Potential Toxic Elements

Porteur	Session	Titre	Mots-clés	Résumé	OHM(s)
Afficher Total: 2
Alluvial soils Potential toxic elements REEs ecotoxicology essays bioaccumulation geogenic anthropogenic inputs ( 1 )
Pas d'enregistrements
Nuno Durães	2022	TracEnviSoil - Tracing metal(loid) and rare earth elements contents in alluvial soils of Baixo Vouga Lagunar: Origin, availability and environmental issues	Alluvial soils Potential toxic elements REEs ecotoxicology essays bioaccumulation geogenic anthropogenic inputs	The Baixo Vouga Laugar (BVL) is a very particular example of the harmonious coexistence between man and nature. This region, characterised by highly productive soils, enticed humankind to take advantage of its land and surface water reservoirs for the development of various agricultural practices (e.g., rice paddies, cornfields, pasture, among others). The high fertility of BVL's soils is owed to their development under the influence of alluvial deposits, materials with loamy texture, high porosity and marked organic matter enrichment. However, as demonstrated by the results obtained in other OHM projects, some of these soils are enriched in several potential toxic elements (PTEs). For this reason, the TracEnviSoil project intends to obtain a screening of the distribution of metal(loid)s of greater concern, as well as of rare earth elements (REEs), in order to ascertain the most probable sources (geogenic versus anthropogenic) of these trace elements, but also their (bio)availability and eco-toxicity in agriculture soils. This would allow to infer the potential risks for soil productivity, by creating harmful conditions for the soil microbiome and plant growth. Finally, the bioaccumulation of PTEs in the edible parts of plants will be evaluated in order to estimate the risk of their entry into the food chain, namely of animals and humans that feed on the vegetable products grown on these soils.	OHM Estarreja	Afficher
Soil Reference Values Potential Toxic Elements Risk Assessment ( 1 )
Pas d'enregistrements
Ruth Pereira	2020	Is4RISK- derivation of soil reference values for potentially toxic elements (As, Pb and Cu) by using a regosol representive of Estarreja soils	Soil Reference Values Potential Toxic Elements Risk Assessment	Soil Reference Values (SRV) for potentially toxic elements (PTEs) are of utmost importance for the first tier of risk assessment of contaminated sites. The Portuguese Environmental Agency has recently proposed SRV for soil, based on their used, but the type of soil was not taken into account. However, and giving the role of soil properties on the mobility and bioavailability of contaminants it is widely recognized that SRV should be defined for different types of natural soils, or at least, they should allow readjustments based in the content of organic matter and clay of the target soil. In this context, to refine the ability of predicting the risks of contaminants affecting the soils, nearby the Estarreja Chemical Complex (ECC), this project aims to derive SRV for the main PTEs of concern in the area (As, Pb and Cu), by using a reference regosol, which is the particular type of soil that can be found in the area. This reference regosol will be the deliverable that will increase the afterlife duration of the project, as it will be useful for the future derivation of SRV for other PTEs, including organic contaminants.	OHM Estarreja	Afficher

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