Dredging Work on Cambridge Botanic Garden Lake About to Begin

Cambridge University Botanic Garden’s lake, constructed in 1857-58, is to be dredged for the first time in the Garden’s history.

The decision to dredge the lake is a result of a series of professional, analytical studies, culminating in a report confirming that the lake is heavily silted, with a water depth of just 0.3m in places, and stating that its biodiversity and ecology is suffering due to silt depth and oxygen depletion.

The process of clearing and dredging the lake is estimated to take twelve weeks, beginning at the end of November.

Once complete, the lake will have an enhanced ecosystem, the removal of dominating plants will provide the opportunity to open up vistas from a horticultural perspective and the process will also ease the management of the lake.

“High levels of silt are impeding plant development and also mean that particular plants such as waterlilies and reeds are dominating the lake,” said Beverley Glover, director of Cambridge University’s Botanic Garden.

“Silt is also building up on root mass in and around the lake and affecting the shrubs and trees both in the lake and on its edges.

“It’s important that the lake provides a thriving habitat for wildlife and plants as well as a safe area for staff and visitors.

“We know the lake’s condition will never naturally improve and, without intervention, the lake would eventually silt over entirely and become a swamp.”

The last time the lake was empty was a result of the drought in 1976; it also reached very low levels in the 1980s but it has never been dredged in its history.

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3rd International Congress Hydraulic Engineering Structures and Dredging

Russia’s leading maritime industry Media Group PortNews (www.portnews.ru) holds a traditional annual Congress “Hydraulic Engineering Structures and Dredging” in Moscow. 

The two-day Congress includes the 7th International Forum of Dredging Companies and the 3rd Technical Conference “Modern Solutions for Hydraulic Engineering”.

Infrastructure development is among the real sources of Russia’s economy growth. Construction of port facilities and new hydraulic engineering structures on the country’s inland waterways constitute an essential part of all infrastructure projects. It is important to take into account the best international practices to implement these projects effectively.

The program of the Congress will be devoted to the latest technologies for dredging and hydraulic engineering works. Speakers and delegates will refer to real projects to discuss specifics features of dredging works, as well as dedicated fleet and equipment involved.

To learn more about event, please, contact the organizing committee: snitko@portnews.ru

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