Community composition, abundance and biomass of tintinnids (Ciliata: Protozoa) in the Western Harbour, south-eastern Mediterranean Sea, Egypt

2015 ◽  
Vol 187 (8) ◽  
Author(s):  
Ahmed M. M. Heneash ◽  
Nasser S. Abdel-Rahman ◽  
Samiha M. Gharib
Keyword(s):  
Mediterranean Sea ◽  
Community Composition ◽  
Eastern Mediterranean ◽  
Eastern Mediterranean Sea ◽  
South Eastern

scholarly journals Microbial communities in an ultra-oligotrophic sea are more affected by season than by distance from shore

2020 ◽  
Author(s):  
Markus Haber ◽  
Dalit Roth Rosenberg ◽  
Maya Lalzar ◽  
Ilia Burgsdorf ◽  
Kumar Saurav ◽  
...  
Keyword(s):  
Community Structure ◽  
Microbial Community ◽  
Microbial Communities ◽  
Mediterranean Sea ◽  
Community Composition ◽  
Eastern Mediterranean ◽  
Microbial Community Composition ◽  
Eastern Mediterranean Sea ◽  
South Eastern ◽  
Structure And Activity

AbstractMarine microbial communities vary seasonally and spatially, but these two factors are rarely addressed together. We studied temporal and spatial patterns of the microbial community structure and activity along a coast to offshore transect from the Israeli coast of the Eastern Mediterranean Sea (EMS) over six cruises, in three seasons of two consecutive years. The ultra-oligotrophic status of the South Eastern Mediterranean Sea was reflected in the microbial community composition that was dominated by oligotrophic microbial groups such as SAR11 throughout the year, even at the most coastal station sampled. Seasons affected microbial communities much more than distance from shore explaining about half of the observed variability in the microbial community, compared to only about 6% that was explained by station. However, the most coastal site differed significantly in community structure and activity from the three further offshore stations in early winter and summer, but not in spring. Our data on the microbial community composition and its seasonality from a transect into the South Eastern Levantine basin support the notion that the EMS behaves similar to open gyres rather than an inland sea.

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