INTRODUCTION
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Methods
Manual chlorophyll, dissolved Phosphate and Silicon:
Parsons T. R. Maita Y. and Lalli C. (1984) “ A manual of chemical and biological methods for seawater analysis” 173 p. Pergamon.
Dissolved oxygen
Grasshoff, K., K. Kremling, and M. Ehrhardt. (1999). Methods of seawater analysis.
3rd ed. Wiley-
Nitrate by Flow injection analysis
Johnson K. and Petty R.L.(1983) “Determination of nitrate and nitrite in seawater
by flow injection analysis”. Limnology and Oceanography 28 1260-