Sedimentation of copepod fecal material in the coastal northern Baltic Sea: Where did all the pellets go?
Article Abstract:
Investigation into sedimentation of copepod fecal material in the coastal northern Baltic Sea off Finland is discussed. An archipelago area, a sheltered bay and an open sea area were investigated, and it was found that fecal carbon sedimentation was in all cases less than 0.05% of the total particulate organic carbon sedimentation, although estimated fecal carbon production made up 4-17% of that sedimentation, so more than 99% of the material was remineralized in the mixed water layer. Where Limnocalanus macrurus dominated fecal carbon sedimentation was higher by an order of magnitude.
Publication Name: Limnology and Oceanography
Subject: Earth sciences
ISSN: 0024-3590
Year: 1999
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Interactive effects of external manganese, the toxic metals copper and zinc, and light in controlling cellular manganese and growth in a coastal diatom
Article Abstract:
Experiments have been conducted with the coastal diatom Thalassiosira pseudonana to determine the effects on cellular Mn, chlorophyll alpha and specific growth rate of external manganese, light, and the toxic metals Cu and Zn. Topics include cellular implications of interactions between Mn and light, negative feedback effects, and the relationship between light and free ion concentrations of Cu and Zn.
Publication Name: Limnology and Oceanography
Subject: Earth sciences
ISSN: 0024-3590
Year: 1998
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