Studies on the phytoplankton of the west coast of IndiaudPart I. Quantitative and Qualitative Fluctuation of the Total Phytoplankton crop, The Zooplankton Crop and Their Interrelationship, with Remarks on the Magnitude of the Standing Crop and Production of Matter and Their Relationship to Fish Landings

摘要

The temperate and polar waters considerable work has been done on theudqualitative and quantitative fluctuation of the phytoplankton as well as onudheir production and rate of production of other organic matter by them;udand, consequently, we have a good knowledge of the fertility of these waters.udIn the other hand, our knowledge about these aspects of the tropical andudsub-tropical zones of the world is very meagre indeed, and all our knowledgeud.bout these regions until very recently was derived from the reports of Expeditionsud(the Challenger, Valdivia, Meteor, Michd Sars, Carniegie, John Murray,ud3ana and so on) and as has been pointed out with emphasis by Dakin andudzolefax (1940) these reports are often misleading as to the true conditionsudand give one an erroneous picture of the plankton conditions of the warmerudregions, mainly because the conclusions are based on casual and discontiluousudobservations made during off-seasons while passing through theudropical regions to reach the temperate zones at or during the favourableudseason there.