Edit reasons for river restoration: Case study:Source to Sea Programme – 11. River Rawthey

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Reasons for river restoration

Mitigation of a pressure (e.g. hydropower)	AbstractionAggregate/mineral extractionBarriers to fish migrationDischarge licenceDrinking water storage and supplyFlood and coastal erosion protectionFlood protection maintenance worksFlood risk managementHydropowerImpoundments (not hydropower)Invasive speciesLand drainageNavigationPollution incidentReservoir impoundmentRiparian developmentUrbanisationDiffuse water pollution
Existing issues affecting Water Framework Directive ecological status
Hydromorphological quality elements:	Connection to groundwatersContinuity for organismsContinuity of sediment transportDirection of dominant current (coastal)Flow velocitiesFreshwater flow regimeQuantity & dynamics of flowResidence time (lake)Structure & condition of intertidal zoneStructure & condition of riparian/lake shore zonesSubstrate conditionsWave exposureWidth & depth variation
Biological quality elements:	AngiospermsFishFish: AbundanceFish: Age structureFish: Disturbance-sensitive speciesFish: Species compositionInvertebratesInvertebrates: AbundanceInvertebrates: Disturbance-sensitive speciesInvertebrates: DiversityInvertebrates: Taxonomic compositionMacroalgaeMacrophytesMacrophytes and/or phytobenthos: Average abundanceMacrophytes and/or phytobenthos: Taxonomic compositionPhytoplanktonPhytoplankton: Average abundancePhytoplankton: BloomsPhytoplankton: Taxonomic composition
Physico-chemical quality elements:	Acid neutralising capacityNutrient concentrationsOxygen balancePHSalinitySpecific non-synthetic pollutantsSpecific synthetic pollutantsTemperatureTransparency
Other reasons for the project (e.g. improving a local park):	Bank erosionCommunity demandLandscape enhancementRecreation

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