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Monsoonal differences in net-phytoplankton in the Arafura Sea
Adnan, Q. (1990). Monsoonal differences in net-phytoplankton in the Arafura Sea. Neth. J. Sea Res. 25(4): 523-526
In: Netherlands Journal of Sea Research. Netherlands Institute for Sea Research (NIOZ): Groningen; Den Burg. ISSN 0077-7579, more
Peer reviewed article  

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  • Adnan, Q.

    Arafura Sea net-phytoplankton (> 75 µm) was studied during August 1984 and February 1985. Vertical hauls were made with a Kitahara net in the upper 100 m or from near the bottom to the surface on shallower stations. Diatoms formed the main component of the net-phytoplankton during both cruises. The shallow part of the Arafura Sea was relatively the richest area. Net-phytoplankton was on average three times more abundant in August than in February; also nutrient concentrations were higher in August. This confirms earlier suggestions of upwelling in that period. In a limited area of River Digul (Irian Java) relatively high cell numbers occurred in Februarv, pointing to input of riverine nutrients, which was confirmed by nutrient data.

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