Common Standards Monitoring Guidance for Ditches - JNCC
Common Standards Monitoring Guidance for Ditches - JNCC
Common Standards Monitoring Guidance for Ditches - JNCC
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13. Appendix 6. <strong>Monitoring</strong> and assessing the condition of ditch systems: recording <strong>for</strong>m <strong>for</strong> 20 m sampling sites.<br />
Issue date: March 2005<br />
Site name: Date: Recorder:<br />
Attribute Assessment method Results <strong>for</strong> individual 20 m sampling lengths<br />
(Background info.) 1 2 3 4 5 6 7 8 9 10<br />
Target - 20<br />
m sample<br />
Favourable<br />
Water<br />
availability<br />
Water depth<br />
(Record depth in cm)<br />
No target<br />
N/A<br />
Water quality<br />
Salinity<br />
gradient (if<br />
appropriate)<br />
Habitat<br />
structure<br />
1. Water clarity:<br />
- whole 20m clear<br />
- slight/limited<br />
turbidity/colour<br />
- marked/extensive<br />
turbidity/colour<br />
2. Macro-algae<br />
(Record DAFOR)<br />
Conductivity:<br />
< 2000 µmhos cm 3<br />
> 2000 µmhos cm 3<br />
(Enter value)<br />
1. Channel <strong>for</strong>m:<br />
- trapezoidal<br />
- non-trapezoidal<br />
(Tick type)<br />
2. Successional stage:<br />
(Enter mid/late)<br />
3. Heavy shade:<br />
- none<br />
No target<br />
No target<br />
No target<br />
No target<br />
No target<br />
No target<br />
N/A<br />
N/A<br />
N/A<br />
N/A<br />
N/A<br />
N/A<br />
30
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