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ENVIRONMENT

High pollen counts predicted in France due to heatwave

Pollen from highly allergenic ragweed plant is expected to peak earlier this year, as a result of high temperatures.

High pollen counts predicted in France due to heatwave
A woman blows her nose due to pollen allergies in Godewaersvelde, northern France in May 2013 (Photo by Philippe HUGUEN / AFP)

Ragweed pollen (ambroisie) is expected to spread earlier this year across many parts of France, particularly in the Auvergne-Rhône-Alpes region.

The National Aerobiological Surveillance Network (NASN) announced on Tuesday that the Lyon region has reached a critical threshold of ragweed pollen in the air to begin causing allergic reactions in sensitive people. The peak for the concentration of pollen in the air is expected for the end of August, which would be in approximately 20 days.

While the risk of allergic reaction is highest in Auvergne-Rhône-Alpes currently, particularly in areas like northern Isère, Drôme, Ardèche and southern Rhône, the plant has spread across different regions in France. Up to 15 percent of the Auvergne-Rhône-Alpes could experience some level of allergic reaction from the plant, as it is highly allergenic, according to Anses.

It can also be found in Burgundy, Franche-Comté, New Aquitaine, Occitanie, as well as the north of the Provence-Alpes-Côte d’Azur region.

However, in contrast, ragweed is typically neither found in the Northern and Western parts of the country, nor along the Mediterranean coast.

The high pollen counts are expected approximately one week early this year due to the high temperatures seasonal temperatures.

Ragweed pollen can cause runny noses, stinging eyes and even breathing difficulties in people with an allergy, said Samuel Monnier, engineer at the NASN, to BFMTV.

If you have a ragweed allergy, consider consulting a doctor or allergist to pre-empt or treat the symptoms, recommends Monnier. Residents in regions where the pollen count is high might also consider drying clothes inside rather than outside, in order to keep the pollen from sticking to clothing. 

The plant is considered particularly invasive, and many local authorities have put into place systems to remove it when spotted.  In order to report the presence of ragweed, you can go to the website signalement-ambroisie.fr or download the smartphone application “Signalement-Ambroisie.”

If you’re sensitive to pollen, you can keep up with the interactive pollen count maps across France by going to the website www.pollens.fr/

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FOOD & DRINK

Moules-frites in danger: Spider crabs wreak havoc on French mussel population

Warming sea temperatures are bringing more spider crabs to France's coastline, which could spell disaster for the French mussel industry.

Moules-frites in danger: Spider crabs wreak havoc on French mussel population

You may not be able to see it from land, but underwater, an invasive species of spider crabs are ravaging the mussel population on the Western coast of France.

In Normandy and Brittany, mussel farmers are struggling to control the expanding spider crab population – which normally migrates onward, but has stayed put on France’s coasts.

Experts believe the crabs, who feast on mussels and all manner of shellfish, have not continued in their migration due to warming water temperatures, as a result of the climate crisis.

This has left French mussel farmers worried that if the crab population is not controlled, then mussel production could end in the region within a decade. 

Some mussel farmers, like David Dubosco, have lost a significant amount of mussels in just the last year. Dubosco told TF1 that in 2022 he lost at least 150 tonnes.

(You can listen to The Local France team discuss the future of moules-frites in our new podcast episode below. Just press play or download it here for later.)

Dubosco is not alone in his experience. According to reporting by TF1, production across the board will be lower this year 2022, which means that the number of mussels imported from other countries will likely increase, a decision that will not be popular with French consumers who prefer homegrown mussels to make the classic moules-frites.

The proliferation of the spider crabs has been an ongoing problem for the last six years, but due to warming waters, more and more have stayed in French waters.

The crabs do not have many predators besides humans – as they are edible, but the supply has begun to outweigh demand. Additionally, the crabs have grown so big that traditional cages used to trap them are no longer effective, according to Actu France.

On September 21st, over 80 mussel producers staged a demonstration in front of the Manche préfecture in Saint-Lô to demand further measures against this invasive species.

“We have seen the proliferation of spider crabs and our alerts have gone unheeded by the administrative authorities. The species comes to feed on our stocks,” said Vincent Godefroy, head of the “Group of mussel farmers on bouchot” (Groupement des mytiliculteurs sur bouchot) to Actu France. 

In response, the Manche prefecture met with six representatives from the group, eventually publishing a a statement saying it would allow “for the experimentation of new measures” to combat the crabs, which would include dragging them out to sea.

Additionally, government actors and mussel farmers will work together this autumn to conduct a study on the economic value of spider crabs with goals of building up a new industry. The assessment will be made in November.

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