High-Frequency Variability of Bacterioplankton in Response to Environmental Drivers in Red Sea Coastal Waters.

ABSTRACT: Autotrophic and heterotrophic bacterioplankton are essential to the biogeochemistry of tropical ecosystems. However, the processes that govern their dynamics are not well known. We provide here a high-frequency assessment of bacterial community dynamics and concurrent environmental factors in Red Sea coastal waters. Weekly sampling of surface samples during a full annual cycle at an enclosed station revealed high variability in ecological conditions, which reflected in changes of major bacterioplankton communities. Temperature varied between 23 and 34°C during the sampling period. Autotrophic (Synechococcus, 1.7-16.2 × 10⁴ cells mL^-1) and heterotrophic bacteria (1.6-4.3 × 10⁵ cells mL^-1) showed two maxima in abundance in spring and summer,

SUBMITTER: Ansari MI 

PROVIDER: S-EPMC9009512 | biostudies-literature | 2022

REPOSITORIES: biostudies-literature