Recreative sites (lakes, streams)

points microbia environnement  Because their health matters…

Bathing, fishing, paddling, surfing… the diverse uses of water from ponds, lakes, rivers are impacted by cyanobacteria blooms. Anticipate public health risk, take action one step ahead contamination !

Context

Side effects of climate change giving rise to more and more heat wave events, and ecological perturbations linked to human activities, no country is spared the threat posed by cyanobacteria blooms in surface water. Who has never observed this typical colorful sheen of water during summer ?

Why monitoring cyanobacteria ?

Some toxin-producing species are able to rapidly invade freshwater ecosystems.  In case of contact with contaminated water, exhalation of fine droplets or direct ingestion, more or less adverse health effects can be observed for humans (itching, irritations, diahrrea, vomiting, respiratory problems, neurological troubles), even causing death of wild animals, livestock or pets. 

A major public health issue for aquatic sites managers (city mayors, local authorities, private owners)

Deaths of dogs having been splashing about in lakes, ponds or stagnant streams are periodically pointed out by media during the summer season, generating an anxious mistrust of local populations and tourists. It impacts seriously the attractivity of the territory, as well as the credibility of stakeholders in charge of the concerned sites.

Current situation

As a precautionary measure or after the occurence of critical events, increasing numbers of waterbodies are submitted to closure of their bathing or fishing areas over undetermined time periods in summer, with a direct impact on economical and touristic activities.
In parallel, usual surveillance methods* do not permit to anticipate a bloom event neither to estimate its intensity or to forecast its evolution in real time. This lack of relevant informative data obviously limits the crisis management and the choice of adapted restrictions.

* 1) visual inspection: no toxicity index given, witness observations only; 2) normalized conventional lab analyses: results given with a delay of 2-5 days.

The input of Microbia Environnement

In the past years, really efficient warning systems of weather forecast have been developed to protect populations exposed to catastrophic flood events. This is an excellent illustration of how powerful scientific tools are needed to anticipate the risk and to take proactive actions in order to limit the consequences of such dramatic climatic events. 
In the same spirit, to face increasing cyanobacteria bloom occurences, it is important to limit as best as possible human and animal exposure to released toxins, that would secondly preserve the attractivity of recreative sites and secure their economic activities. 

We offer a tailored early-warning system for a proactive and optimized risk management
« Weather forecast » for water quality + Decision-making support

Councillor, teritorial representative, you are manager of a sensitive or risky waterbody exposed to cyanobacteria blooms during the summer period ?

Tourism or recreation professionnal, you organize nautical activities in a private or public natural area?

microbia environnement
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