LIST OF FIGURES
1
Diagrammatic representation of survey method
2
Illustration of shading
3
Macrophyte survey flow chart
4
Interpretation of MTR results, Stage I 'decision tree':
Is the site impacted by eutrophication?
5
Interpretation of MTR results, Stage II 'decision tree':
Is there a significant downstream impact from the qualifying discharge?
LIST OF TABLES
1
MTR scores summarised according to river community type
Reasons for mismatch between audit and primary surveys, with suggested actions
2
A1
List of Mean Trophic Rank scoring taxa, with recent synonyms
2
A2
Cover (m
) for 100m Survey Lengths
LIST OF TEXT BOXES
1
Factors to consider when deciding whether to use MTR or DQI/TDI
2
Factors to consider when selecting MTR sites and survey lengths
3
Conditions when surveys should not be undertaken
4
Non-standard survey lengths
5
Exceptions to surveying the full channel width
6
Methods of estimating overall percentage cover
7
Estimating percentage cover of individual species: width method
8
Estimating percentage cover of individual species: square metre method
9
Audit procedure
R&D Technical Report E38
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