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	Antibiotic Resistance

Porteur	Session	Titre	Mots-clés	Résumé	OHM(s)
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Marta Tacão	2022	A farm-to-fork analysis of vegetables microbiological risks at Estarreja municipality: setting up a monitoring program for household farms	Contamination vegetables Antibiotic resistance pathogens	Microbiological contamination in domestic productions represents a high danger for consumers’ health since there is no quality control. What is produced goes from farm to fork, with higher risks associated with produce usually eaten raw. As consequence of the industrialization for the last 50 years, Estarreja area became one of the most polluted in Portugal. Hence, the putative contamination of soil and water may question food security of vegetables grown in this region. In a previous project our team examined vegetables and irrigation water from domestic farms in Estarreja. The microbiological quality and the presence of different contaminants were examined. Results showed that in fact in some farms, irrigation water and leafy greens were contaminated with metals and antibiotic resistant bacteria, with some strains identified as putative human pathogens. Hence, we propose a follow-up project, ten years apart, to perform a farm-to-fork chain analysis of the Estarreja municipality domestic farms. Considering that fresh produce may be contaminated at any point, we will determine the level of chemical and microbiological contamination of soils, irrigation water and vegetables, but also we will examine farmers hands and tools surfaces. Putative pathogenic strains will be characterized in detail to identify possible health-risk traits. We will register information regarding the farm setting and agricultural practices, as for example irrigation water origin, use of fertilizers and the harvest procedures. We will provide guidance for good agricultural and hygiene practices to minimize microbiological threats, and ultimately, we will propose a monitoring program for household farms.	OHM Estarreja		Afficher
Isabel Henriques	2022	MICRANT: Microplastics in Estarreja rivers and their role in the spread of pathogens and antibiotic resistance	Microplastics Industry Aquatic Systems Pathogens Antibiotic Resistance Public Health	The intense industrial activity in Estarreja region predictably resulted in contamination of aquatic systems with microplastics (MPs). These contaminants provide an ideal niche where pathogens and antibiotic resistant bacteria can proliferate, being transported along rivers and entering the food chain. However, risk assessment of MPs and associated microbes is limited by the scarce information available for these ecosystems. This project aims to determine the abundance and diversity of MPs in Estarreja rivers and to quantify and characterize pathogenic agents and antibiotic resistant bacteria associated to these contaminants. Mesocosm-based studies exposing MPs in rivers will also be carried out to compare the microbes that settle on different types of MPs and in different locations. MICRANT will provide solid quantitative and qualitative data for assessing and predicting the risks related to exposure to MPs and associated microbes.	OHM Estarreja		Afficher

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