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hasn't rained for months.\r\n\r\nLast month we explored further up the river to the source. We found that the hammer pond at Slatham place had been shut and barely a trickly came from that source. We observed the overland sewage pipes leading from the housing to the underground tanks - there was a strong smell of sewage across the whole area. 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In addition to the river flies we found water lice, leeches, and some, as yet, unidentified animals. Also, a few small fish which, sadly, promptly died in the observation 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surrounding woods are suffering from ash die back, causing trees to collapse into the  river (approx. 30% of the woods appear to be dead of dying ash trees). Consequently, there are a number of places where trees have fallen into or across the river, causing a damming effect. Our previous collection point is now too deep to enter and so, we have had to find an alternative location further down stream, where the river is shallower.\r\nUnfortunately, this hiccup meant that we did not have enough time to do a full invertebrate count and so we just did a brief sample, to check that this was a suitable location for observations. We felt that it 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