The European capital that uses clams to control the quality of drinking water

Valencia Plaza

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VALÈNCIA (EP). Technicians from El Palmar and the Oceanogràfic de València have saved 1,300 endangered freshwater clams after the Dana last November, which has caused losses in several aquatic ecosystems of the Valencian Community, such as the Madre de Real ditch that was destroyed due to the overflow of the Magro River.This canal, about half a kilometer, housed a large population of two freshwater clams, known locally as 'petxinots'. These are …

sport.es

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Normally, cities use microbiological tests and chemical analyses to check the quality of water intended for human consumption and to monitor the presence of toxic substances. However, an important European capital, Warsaw, has opted for a novel (although already known) and totally innovative system: to use live clams, an animal that is able to detect the slightest trace of contamination in the water.These molluscs are very sensitive to the chang…