engleski

A comparison of phytoplankton biomass estimators and their environmental correlates in the Mali Ston Bay (Southern Adriatic)

Phytoplankton biomass estimators - total cell number (CN), total cell volume (CV), chlorophyll a (CHLa), phytoplankton organic carbon (PC), and their response to environmental variables, with a special emphasis on the veretical variability in the structure of the water column - were examined in the Mali Ston Bay (Southern Adriatic). Correlations among biomass estimators as well as with physical-chemical parameters varied according to hydrodynamic characteristics of the water column. The amount of CHLa per cell ranged from 0.28 - 0.6 x 10^-6 microg during stratification to 0.7 - 2.0 x 10^-6 microg during the mixing period. Most frequent values for PC/CHLa ratios and for CHLa/CV in mixed natural phytoplankton populations were 20 - 25 and 1 - 2, respectively.

phytoplankton biomass; environmental factors; stratification; mixing; Southern Adriatic

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