Mean annual sea surface chlorophyll concentrations within the New Zealand Exclusive Economic Zone derived from remotely-sensed (satellite) ocean colour data collected between September 1997 and July 2001.
A map of the EEZ [shown here] shows chlorophyll concentration data (0.02 - 3.00 mg m-3) by using colour to denote chlorophyll concentration. Chlorophyll concentrations tend to be higher in proximity to coastlines and above the continental shelf. Thus the brighter colours yellow and orange are the highest concentration of chlorophyll, while dark blue is the lowest.
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