by Joseph A. Christie-Oleza and Vinko Zad­jelovic — The first im­age that comes to our mind when we think of the oceans is im­mense bo­dies of clear wa­ters or – in the more 'ro­man­tic' minds – beau­ti­ful tur­quoise wa­ters that ca­ress tro­pi­cal beaches. Such clear wa­ters come as a con­se­quen­ce of the ex­treme lack of nu­trients in these eco­sys­tems. Ne­ver­the­less, the ele­vat­ed pri­ma­ry pro­duction...