50
S.M.P. Benbow
0
30
60 Unit s
I
I
I
0
VOID
VOID
-
10
0 ·10 % CLEAR
-
2 0
10 - 20 % CLEAR
-
30
20 • 30 % CLEAR
-
40
30 - 40 % CLEAR
-
50
40 • 50 % CLEAR
N
~
Figure 3.3 Clerclass; percentage of days clear.
Therefore, it seems that in general, for annua l averaged climatic variables
and generalized measures of phytop lankton and zooplankton, cloudiness
and predation stress do not seem to be related.
The eastern Pacific region has a wide variety of phytoplankton and
zooplankton species, each of which will differ according to their tempe ra-