Planet WGSW-24010 User Manual page 154

The factors under consideration for comparison are Width, Depth, Substrata, Habitats, Shading, Water
Clarity and Bed Stability. For each pair of survey lengths, assign one of the following categories:
I - 5 or more of these characteristics are similar for more than 75% of each site.
II - 3 or 4 of these categories are similar for more than 75% of each site.
III - 2 or less of these categories are similar for more than 75% of each site.
R&D Technical Report E38 140