Registered Charity Number: 1037414

Clean Rivers Trust: September 2018 Actions Report.

September 8th, 2018 in News by emily

The Trust has had another busy three months: the Cinderhill trial site has been the main focus due to the draught and trying to keep the willows alive if not flourishing. The other activities are outlined below.

Cinderhill

The willows have had an exceptionally hard time establishing themselves this summer. Their planting at the end of May giving them only a portion of the year to put down roots and develop foliage. The loss of 4 months growing time is very evident as is the effects of the draught.

The help of Nathan Coop and Sophie Annabel, local farmers has been an essential part of this summer, trialling methods of watering/irrigation and different methods of getting large volumes quickly to site from locations further away.

Visits by interested people and organisations have been a weekly event, Environment Agency, Local Authority, Denby Pottery, Fuchs, and others have all shown an interest.

The tar pit is showing signs of change already but what is actually taking place is yet to be reported on by the University of Nottingham.

The Trust is planning the future care of the willows over the winter months so as to limit frost damage and encourage swift growth in the spring of 2019. Harworth Group plc are suggesting replanting of areas of the site which are devoid of growth, and are accepting of the near 75% take of the cuttings as a success in the conditions that have been prevalent since planting.

Uganda News.

Some of those who involved the Trust at Kakinga in Uganda a few years ago have been in contact to ask for future research advice on projects across the country. We have agreed to help so long as funds might be made available to cover costs of travel and basic accommodation.

The Kakinga Lake project was successful. See the web site for recent details.

Ethiopian Catch Up.

The Trusts visits to Addis Ababa in 2010 and 2011have born their first fruit.

The Aba Samuel Reservoir is now functioning again providing hydroelectric power to the Capital. First opened in 1941 and closed in the 1970s due to sediment build up and over abstraction. The report we presented to the Ethiopian Government has been followed to the letter by Chinese engineers (the Chinese Government paid for the restoration project) and the site is again fully functioning. The reservoir apart from supplying power is a functioning fishery and providing a sustainable water supply for local populations and sustainable irrigation.

The wetlands at the top end of the lake are fed by the two Akaki Rivers and are now functioning correctly. They are also being developed as a bird watching tourist eco-tourism resource as we suggested.

Shoebill found in the wetlands.

Minewater.

The Coal Authority invited the Trust to discuss the issues of their minewater wetland treatment operations and long term maintenance. They plan to go to tender later this autumn for a five year project to bring their wetland estate up to a satisfactory working standard. The Trust will be one of those to tender for the project.

The realisation by the Coal Authority that to dig out and throw away established wetland cells is both costly and the wrong way forward in the long term if the sites are to be of value ecologically when they begin to choke on iron hydroxide. The need to remove the iron prior to its entry into the wetland would be ideal but for wetlands without such a facility there are several other options that might be considered.

The Library.

The mammoth task of cataloguing the library is underway. Unfortunately the cataloguer is seeing our stock of books growing alarmingly with the acquisition of several hundred papers as well as many books that have been purchased recently to bring our research and reference holding up to date with relevant publications.

Newark Archaeological Activities.

Matt has been helping to map various site locations including the location of the Edinburgh on Newark Island ready for paper publication and presentations. His work has been greatly appreciated and praised by those involved

There is to be a meeting of interested parties at the museum in Newark in October to put together a working party to develop a program of research.

On a recent visit the use of water and its movement around fortifications was explained. Remarkable methods of moving water even against the lie of the land and natural river flows.

Oestrogenic Materials and Mimics Removal.

This is one of the most important piece of research that the Trust is involved with: and has this summer taken a leap forward in finding the answer: a low cost methodology to remove oestrogens from sewage treatment waste water discharges. The use of wetlands has shown a remarkable ability to remove a great number of pharmacological compounds.

We are reviewing results of experiments carried out by universities in both the US and Holland in conjunction with UK water companies using wetlands to tertiary treat waste water treatment works discharges.  The fuller story is outlined on the Trust web site.

Landfill Sites.

Bedfordshire landfill research has been somewhat hampered by draught conditions. There has been a marked decline in leachate production at certain sites and subsidence at some sites might be expected to start during the (hoped for) wetter months to come.

Other landfill sites across South Yorkshire are likely to figure in our work in the coming winter months with discharges and stability issues being raised by local authorities.

Swaffham Prior.

The Trust has just completed a water resources project looking at water resources for the village of Swaffham Prior in Cambridgeshire.

 

Swaffham Prior War Memorial Window.

Author: emily

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