Defra Tender Result

Additional analysis of river invertebrate trends from NERC ChemPop project-The analysis already undertaken in ChemPop showed continuing improvement in the quality of river invertebrate communities, broadly agreeing with other researchers analyses of this data. This trend was seen in all parts of the country, in both urban and rural environments, in all types of stream and regardless of wastewater discharges. This result does not match many people's assumption that the ecological quality of our rivers is in decline. This may be because few of the studies underta...