Table 8. Normal correlations (concurrent values) and serial correlations (consecutive values) between zooplankton (Z), phytoplankton (P)
+, productivity
p, and inorganic nitrate (I.N.). (n
= leg; t
= time; +, chlorophyll
a; ** significant at 99% level;
* significant at 95% level; N. S. not significant)
Zone
Zooplankton: Productivity
Phytoplankton + :
Productivity
Phytoplankton : Nitrate
Zn:pn + l
Z:p
Zn+l : pn
Pn: pn+ 1
P : p
Pn + l:
pn
Pn:I.N.n+l
P : I.N.
Pn + l: I.N.n
Tropical
+.17
+.54**
+.06
+.09
+.23
+.13
+.46
+.46**
+.47 *
(tn+l-tn=
1-2 weeks)
Subtropical
-.16
+.08
+.11
+ .25
+.44**
+.21
+.32
+.14
-.06
(tn+ I-tn =
3 -4 weeks)
Both
0
+.12
+.04
+.18
+.19
+.28
(tn+l-tn=
1-4 weeks)
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