Species point records from 1988-89 NRA Orwell Estuary littoral survey

Published by:
Joint Nature Conservation Committee
Last updated:
04 February 2016
Topic:
Environment
Licence:
Open Government Licence

Summary

The main objective of this survey was to assess the impact of the major discharge, Cliff Quay Sewage Treatment works on the intertidal fauna of the Orwell Estuary. All twenty five sites were located between Cliff Reach and Shotley Point. A sediment sample was collected at each site for particle-size analysis and organic carbon content determination. Data from sites 1, 4, and 24 are missing from the survey report. In a preliminary survey, the upper estuary had been described as faunistically impoverished, suffering from over-dominance of a few species, in particular Tharyx sp and the tubificids. Contrary to the preliminary survey, no major trends in intertidal species diversity were found along the length of the estuary. Species assemblages were found to be related to the percentage of clay, the percentage of silt and the mean particle size of the sediment. Very high levels of abundance were recorded in the upper estuary, the dominant species being Tubificoides pseudogaster.

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1988-89-NRA-Orwell-Estuary-littoral-survey.csv CSV 04 February 2016 Preview

Additional information

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Added to data.gov.uk
2018-05-17
Access contraints
no limitations
Harvest GUID
e64d027c-5c80-4276-8713-0448b37befde
Extent
Latitude: 52.03686114° to 51.9648778°
Longitude: 1.15373446° to 1.289579377°
Spatial reference system
Dataset reference date
2001-08-29 (publication)
Frequency of update
Responsible party
Digital and Data Solutions, JNCC (custodian)
ISO 19139 resource type
dataset
Metadata language
eng
Source Metadata
XML
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