STC ‘For the first time our once pristine, gin-clear English chalkstreams and rivers have been put under the microscope in a national survey to compare and investigate whether they are as healthy as they should be. And the results are truly shocking. The 2015 Riverfly Census, undertaken by Salmon & Trout Conservation UK (S&TC UK) has identified that there were only 14 pristine, unimpacted sites out of a total of 120 sites sampled in the survey on rivers across England. According to fisheries charity, Salmon & Trout Conservation UK, the threat to our rivers has moved from industrial pollution to a range of subtler but equally damaging impacts from sources such as agricultural and road run-off, poorly treated sewage, septic tanks and discharges from watercress and fish farms. Although these forms of stress are less dramatic than fish-killing chemical spills, the long-term effects on flylife such as blue-winged olives are equally profound. Click here to read more.

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