It remains only where there is stagnation of water
It’s an effect of climate change that may seem positive at first glance, but ultimately leads to one ecosystem imbalance: a Rome there are less mosquitoes. The driest and least rainy days, in fact, push these animals (annoying for humans at night when trying to sleep mainly but fundamental as “food” in the food chain) not to find the most suitable conditions for their reproduction. But there is one thing: the biggest pitfall in the city is in the few “pools” of water left: in addition to ponds and wetlands, where it is normal for them to remain, it is in condominiums that the greatest risk is threatened to find them. ‘Climate change is usually thought to favor mosquitoes. This is partly true when there are high temperatures associated with rain. But situations of extreme drought such as those that are being experienced in Rome do not favor them – he explains Alessandra della Torre, professor of Parasitology at the Sapienza University of Rome – For now we can rely on empirical observations, rather than on updated data. Definitely, mosquitoes this year in Rome they don’t find many stagnant water environments in which to lay eggs and develop their own larvae. Road manholes, for example, are all dry. The most delicate moment will be when it rains and these environments will multiply. The tiger mosquito, for example, lays eggs that tolerate dryness and that hatch when submerged. So a few days after the rains they can increase ».
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AREAS MOST AT RISK
Observed special are the wetlands of the Municipality of Rome, however in parks And They are green more defined: at Decima Malafede, at Tenuta dei Massimi, at Cervelletta, at Villa Ada, at Villa Borghese. Excluding the natural oases, and the more urbanized public spaces that have now remained dry, the real pitfall is in the private areas. “In the absence of rain, opportunities for the development of larvae in public areas are increasingly rare, but the problem persists in condominiums, gardens and vegetable gardens where watering creates collections of water, from manholes to bins or non-watering cans. emptied. Or just think of the saucers found on the balconiesto which you have to pay great attention, simply emptying them every 4-5 days to eliminate any larvae “, says the researcher, who is the coordinator of the Sapienza medical entomology group, who started the Sapienza medical center App mosquito alerta participatory science experience to trace the presence of mosquitoes in Italy.
Alessandro Mianipresident of Sima, la Italian Society of Environmental Medicine, confirms: “The absence of rainfall also reduces the proliferation of mosquitoes but the high temperatures, in our latitudes, also see the presence of mosquitoes that until a few years ago were considered alien species, such as tigers, Koreans, Japanese “. Miani stresses that «the high temperatures to the changes could increase the risk of zoonosis also in the capitalin which, however, the presence of waste abandoned for a long time on the streets, it is an occasion for the repopulation of insects, cockroaches, rodents and other animals that may be carriers of pathogens ».
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🗣️You can send non-photographic reports of bites, photos of mosquitoes or collections of standing water👇https://t.co/0khXADGbSa pic.twitter.com/GEWtqVBbJI– National Institute of Health (@istsupsan) June 17, 2022
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