transitional & coastal water
Operational monitoring will be undertaken in water bodies identified as ‘at risk’ or ‘probably at risk’ of not achieving good status (i.e. 1a and 1b water bodies).
Macroalgae are good indicators of general pressures including, toxic substances and disturbance. They are ideally suited to monitoring as many are large, widespread and relatively easily identified.
Phytoplankton utilise sunlight energy and dissolved nutrients converting these into organic materials which are often consumed by higher life forms such as fish.
Opportunistic macroalgae are able to utilise excess nitrogen in the environment and outcompete other seaweed species. They are easy to identify and sample so are good for monitoring the effects of nutrient enrichment.
This method has been designed primarily to detect the impact of toxic substances on the distribution of certain species of macroalgae (seaweeds belonging to the group known as 'wracks', and principally members of the genus 'Fucus''). This method monitors the upstream limit of
Benthic invertebrate communities are good indicators of organic pollution and are also sensitive to toxic pollutants. They are ideally suited to biological monitoring as they are sedentary and either feed upon sediment dwelling animals or the sediment .
Seagrass beds provide habitats for fish, prawns and other invertebrates and provide seafloor stability and are found in the littoral and sub-littoral zones along the coast and estuaries.
The paper sets out UKTAG’s guidance on Coastal & Transitional Waters typology as required under Article 5 of the Directive. It identifies the methodology adopted in the UK and the Republic of Ireland and the results for the UK.
A technical report on proposals for a first set of standards and conditions was published for review in 2006. The revised report was issued in August 2006 in the form of a recommendation to the UK governments. The UKTAG updated the report in November 2007.
This is a technical report that presents the first set of environmental standards and conditions proposed by the UKTAG to underpin the implementation of the Directive. Our report outlines the background to our proposals and describes the role they could play.