Cardiff University Invertebrates Study

A study from Cardiff University on the types of invertebrates living on riverbeds showed that river health in England and Wales has increased over recent decades.
Dr Ian Vaughan talks about the study they conducted recently to assess river health.

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Once a common pollution incident has been detected (such as a sewer overflow) does the Environment Agency conduct a multi pronged approach to determine the extent of the damage to the ecosystem?
Not just counting dead fish numbers and reporting on that, but a full eco system count starting from the base and working the way up the food chain, Phytoplankton, Zooplankton, Invertebrate's, Fish, Plant Life, Local birds species (king fisher/coots etc) Migratory bird species.
Does the environment agency calculate the time frame from a single pollution incident to the eco system having full health regeneration?
What is that time frame? 6 months - 18 months?
Are those reports published to the public?
Love the work guys-girls, keep it up.

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promo sm