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Chalk streams and their ecosystems at risk as water levels decrease
The WWF released a report today revealing that the UK’s rivers are in danger and the ecosystems they house are facing serious obstacles to perpetuation.
The cheekily entitled “Riverside Tales” explains that UK river levels have been decreasing and this years’ levels are no different. The report has focused on five different clusters of water sources throughout the UK and has identified the trends that are predicting widespread water shortages in the absence of immediate action.
THE PROBLEM
With growing populations placing increased demands on water supply in the UK, existing water sources are being stressed. Pollution is also reducing the amount of usable water despite efforts to the contrary.
The UK is home to several unique Chalk Streams, a body of water that is surrounded by chalk deposits and is therefore self-filtering and self-regulating. The chalk that surrounds the water acts as a filter for rainwater and chalk streams enjoy consistent temperatures, consistent flow and very clear water. This contributes to the unique ecology of the streams. River wildlife such as water voles, otters, salmon and kingfishers are already at risk because too much water is being taken from waterways. WWF is concerned by the fact that many UK rivers are below their usual level for this time of year and that the ecosystems within the chalk rivers are already showing signs of being negatively affected.
The most startling statistic revealed that one-third of ecosystems existing in river environments today is under threat. Action is required to help slow this worrying trend.
SOLUTIONS?
The suggestions for managing this problem all stem from consistency. If each person could consistently reduce their daily water intake, would go a long way toward conserving the already reduced streams and rivers.
The report argues that while each water distribution company is legally required to be as efficient as possible, the licensing agreements that prescribe water use are out of date and do not reflect contemporary concerns or data. They call for updated regulations for all UK water companies. If this information is consistently updated to stay current with fluctuating water patterns then more conservation can be achieved in cooperation with water companies. Longer-term solutions can help stop the erosion.