Compatible solutes and fatty acid composition of five marine intertidal microphytobenthic Wadden Sea diatoms exposed to different temperature regimes

摘要: Microphytobenthic organisms inhabiting marine intertidal areas are subjected to strongly changing temperature and surface light regimes due evaporation at low tide. In addition, seasonal fluctuations in temperatures significantly influence the taxonomic composition of benthic diatom communities flats. order determine physiological responses diatoms changes, five common species (Achnanthes brevipes C.A. Agardh, Amphora arenaria Donkin,Cocconeis peltoides Hustedt, Navicula digitoradiata (Gregory) Ralfs N. gregaria Donkin), isolated from Solthorn tidal flats, were chosen study effect different (4, 18 35°C) on intercellular free amino fatty acids as well accumulation polyols, saccharides quaternary ammonium compounds (QUARCs) during short- (24 h) long-term (30 d) exposures. Although growth response taxa was hardly affected by short-term ...