Essex Rivers Hub

The Channel has an abundance of reeds upstream but the habitat becomes more brackish downstream as it becomes more estuarine. At this point the reed begin to diminish and the plant communities begin to change. The banks are vegetated with mainly grass and there are few trees and little scrub. 

The area (land use)

The dominant land use for this stretch of river is arable.

Horses were the main livestock recorded.

Channel characteristics

The river channel consists of mainly gravelpebbles, and riffles are absent.

At the time of recording the flow of water was slow and the channel was 5-10m wide and 0.5-1m in depth.

For most of this stretch the channel profile is shallow.

Bankside trees were rare, marginal plants and in-channel plants are occasional. Woody debris was noted to be rare.

Engineering

The channel has been straightened and man-made enhancements are present along this stretch of river.

Field drains were recorded as present and barriers / culverts are present.

Condition

Areas of trampling / poaching were absent and areas of erosion were absent at the time of the survey.

Wildlife

Species seen during the survey were: Common Lizard, Little Egret, Mallard, Feral Pigeon, Black-headed Gull and Dunnock

Additonal Information

Fly-tipping is a problem and this consists mainly of shopping trolleys and food wrappers. These possibly originate from the industrial estate which the channel flows behind.

The water seems to have an oily film and sewage fungus is present around a rather unpleasant pipe discharge close to the industrial estate.

RBD/catchment/river/tributary

River Roach Catchment

Date completed

Mar-14

Upstream Grid ref

TQ8818389591

Downstream Grid ref

TQ8850989736

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Design by LTD Design Consultants and build by Garganey Consulting based on an original concept by Herts and Middlesex Wildlife Trust