Essex Rivers Hub

News

River Wardens got a water-level view of the Colne on Saturday after an afternoon at Colchester Canoe Club. A group was able to take advantage of the fantastic opportunity, getting up close to the river bank and the Colne's other features.

The day allowed the wardens to come together, ask questions, share their knowledge and survey the river... all at a new perspective!

29 July 2015

River Wardens attended a survey techniques course on Wednesday afternoon. Hosted at Little Waltham Memorial Hall, wardens took part in an information session

On Friday we were running our annual White-clawed Crayfish training day, run by Martin Pugh who is an ecologist for EECOS, which is Essex wildlife Trust's in house ecology consultancy. Not only does this give people the opportunity to  learn more about this increasingly rare species but also gives us the opportunity to monitor how the population is faring.

During the survey of Stebbing Brook we were quite concerned when only 18 adults were found and of these 16 had White Porcelain Disease. This is not to be confused with the crayfish plaque, which is carried by invasive crayfish for which our native species has no immunity to. White Porcelain Disease is a naturally occurring disease within native crayfish population but does not exceed 10% infection rate within a healthy population. To find so many of those captured on Friday to be infected was quite alarming as was the fact that we did not find any juveniles.

As news reports of Giant Hogweed burns continue to increase in number, awareness of the dangers this plant poses have been highlighted. Here is a rundown of frequently asked questions regarding the plant.

What is Giant Hogweed and where does it come from?

The Giant Hogweed is an invasive species of weed. Native to Central Asia, it was originally imported as an ornamental plant in the 19th century but now grows wild. It is spread when a single plant disperses between 1,000 – 100,000 seeds.

Where is Giant Hogweed found?

The Dedham Vale and Stour Valley Project have have been working with Norfolk Non-Native Species Initiative (NNNSI) to develop a biosecurity plan for the River Stour catchment. This is an incredibly important part of ensuring that invasive soecies become a problem of the past in this area.

Essex Wildlife Trust has been involved in the Catchment Based Approach (CaBA) for nearly five years and has hosted the Combined Essex catchment since 2013.

The Essex Rivers Hub (the Combined Essex Catchment Partnership) has been selected as one of six catchment partnerships to be examined and one of two partnerships to be interviewed and questioned in detail. This selection was made because ERH has been identified as being very successful in the range of activities and the strength of the partnership and our commitment to the Catchment Based Approach (CaBA - the umbrella under which the Water Framework Directive and related activities are being progressed by the EA and Defra).

EssexRiversHub RT @EssexWT_Rachel: Happy 1st birthday to our 'saltmarsh sausages'! Over the last year we have been pleased to see saltmarsh plants taking…
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EssexRiversHub RT @EssexWildlife: Grub's up! A perfectly timed image of a Water Vole about to tuck into a sweet treat in Essex 😍 📸 trevor.partridge56 on I…
EssexRiversHub RT @jam_rich1: This is one of the reasons Himalayan balsam is so bad for our rivers. It grows vigorously, outcompetes native perennial vege…
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