|Number of species in each square
Based on data known july 1998
|Red squares have changed since september 1997
Number of species in each square as known in 1997 (below)
Really nothing exceptional if you remember the section
on sampling. Most visited squares are sampled only once,
and not with harvestmen in mind.
The extremely rich (black) squares are easily explained.
Green squares stand mostly for campaigns where the
Yellow squares are easy: use the umbrella, or visit a
My conclusion is that the species richness as we see it
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