Primitive Equation Modelling ofPlankton Ecosystems
397
a)
Dissolved Nl trogen (mMolicubic metre)
6.2
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_ ....... ...' "
6
.............
e
..... lE
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5. a
E
5 . 6
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1
Years
36
Phytoplan" ton (mllhonslsquare metra)
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.
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1
Years
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Zooplankton (thousandslsquara met re)
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Values on 1 st Marc h each year
,
1
Yaars
16
Fig. 18.4 Emergent demography during 36 years in the Azores Virtual Plankton Ecosystem,
a) Time series of values on 1 st March of dissolved nitrogen, phytoplankton and zooplankton.