Planet WGSW-24010 User Manual page 90

Yes
Unlikely to be eutrophic
Is the score less than might be
expected for a site of this physical
type?
(refer to Table 1 or other data)
No Yes
This site is not This site may be
unduly at risk of
impacted by becoming
eutrophication eutrophic
(1) (3)
Is there any other evidence of
eutrophication?
No
This site is not unduly
impacted by eutrophication
(2)
Figur e 4 Inter pr etation of MTR r esults, Stage I 'decision tr ee': Is the site impacted by
eutr ophication?
R&D Technical Report E38
Is the MTR > 65?
No
Is the MTR < 25?
No
This site is likely to be
either eutrophic or at risk
of becoming eutrophic
Is the score less than
might be expected for a
site of this physical type?
(refer to Table 1 or other
data)
No
This site is eutrophic or at
Yes
Use other
evidence
(6)
76
Yes
This site is badly
damaged by
eutrophication, organic
pollution, toxicity or is
physically damaged.
Use other evidence to
determine cause of
damage
(5)
Yes
risk of becoming
eutrophic
(4)