SmartRivers - What your data told us in 2022 - Nov 2023

species and Mollusc: Ampullaceana balthica quantities The wandering snail is tolerant to For example, stoneflies and most species from sample of mayflies and caddisflies are very sediment pollution/reduced flow and is sensitive to organic pollution whereas mildly sensitive to organic enrichment. [...] Ardle intensive dairy, as well as some Shell Brook arable, although the land directly on Please note, these gradings are based on the Minsterley Brook the river is a combination of linear sites covered by our hubs on each river, so Cain local nature reserve, permanent is just a guideline and may not be fully Rothay sheep pasture and horse paddocks representative of the entire river system. [...] Wilfin Beck Alyn Some of the most stressed English Linacre Brook The upper part of the catchment is rivers were the Hogsmill (London), Naver quite heavily impacted by Rea Brook (Shropshire), Great Stour Pontesford Brook groundwater abstraction. [...] When looking at species richness and Number of invertebrates counted in 2022 abundance it is important to examine what is making up the majority of the community. [...] As seen in the tables, the top scoring SmartRivers data shows a decline in rivers are mostly chalk streams (table 1 water quality downstream of the and 2).