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I fiumi dell'Altopiano sono carichi di pesticidi, come dimostra uno studio realizzato dall'Istituto per la ricerca sulle acque dei Politecnici federali, commissionato dalla Confederazione e da cinque cantoni.
I risultati confermano quelli ottenuti già l'anno scorso dopo un'indagine che aveva preso in considerazione gli stessi torrenti, ossia Salmsacher Ach (SG), Furtbach (ZH), Surb (AG), Limpach (SO) e Menthue (VD).
Il dito è puntato contro insetticidi e fungicidi, responsabili della scomparsa di tanti piccoli invertebrati, la cui presenza è in genere sottovalutata.
ATS/dg
Dal Quotidiano
09.04.2014: Fiumi da rivitalizzare
RSI Info 09.04.2015, 19:53
01:46
RG 12.30 del 09/04/15: il servizio di Paola Latorre
RSI Info 09.04.2015, 15:24
Contenuto audio
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