content@managingwater.co.uk River restoration & management Habitat
improvement work on Chalk Streams in Lincolnshire
Lincolnshires Chalk Streams
Chalk streams provide an important habitat for many different types of wildlife and plants. With most being fed from groundwater aquifers, they produce clear waters and, in general, a regular flow.
However, finding Chalk streams in good condition is becoming in-creasingly difficult, with changes of land use, development and pollution over several decades.
Under the Water Framework Directive all rivers must achieve a ‘good ecological status’ by 2027, which includes creating better habitats for wildlife in and around water.
The Lincolnshire Wolds Area of Outstanding Natural Beauty (AONB) is a nationally important and protected landscape and chalk streams are highlighted within the Management Plans as a key point of action to ensure that they are properly managed.
Chalk rivers have been identified as a priority habitat under the Biodiversity Action Plan (BAP) and Lincolnshire’s Chalk streams are host to several protected species such as the otter and water vole.
The project to restore the Lincolnshire chalk streams and rivers was established in
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early 2004, bringing together a partnership of organisations that are actively working together to conserve and enhance this nationally-important resource. The Environment Agency, Anglian Water, Natural England, Lincolnshire Wolds Countryside Service, the Wild Trout Trust and Lincolnshire Wildlife Trust ensure the core objectives of the project are met, namely; increased understanding, environmental improvements, and awareness-raising.
More information on the project can be found on the Lincolnshire Wolds website:
www.lincswolds.org.uk
Laceby Beck by Ruth Snelson
The Laceby Beck Project, a partnership between the Environment Agency, the Lincolnshire Chalk Streams Project and others, is working with landowners near Grimsby to improve 2.4km of the beck.
Laceby Beck rises on the edge of the Lincolnshire Wolds and flows through Laceby village into Grimsby where it becomes the River Freshney. The river then flows to the docks in Grimsby and into the Humber Estuary.
In the past years, the beck has experienced chronic low flows during the dry summer months and sediment build-up is a significant limiting factor to river flow. The beck is also heavily shaded and neglected in farmland surround-ings.
However, wildlife on Laceby Beck is starting to benefit from clearance and restoration work, as new habitats are created for fish, invertebrates and mammals. Aquatic plants such as water crowfoot are benefiting from the removal of overhanging vegetation that prevents sunlight from reaching the bed of the beck.
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