Seasonal abundance and diversity of culturable heterotrophic bacteria in relation to environmental factors in the Gulf of Antalya, Eastern Mediterranean, Turkey

  • Mine Çardak
  • Elif Özgür Özbek
  • Turhan Kebapçioğlu
Original Paper


The abundance of culturable heterotropic bacteria studied on and according to depth levels and seasons in the Gulf of Antalya. Environmental factors were compared regarding culturable heterotrophic bacteria abundance and diversities of bacteria. During the study period (between August 2009 and April 2010, seasonally in the Gulf of Antalya, at six stations and six depth levels (0–20 cm, 10, 25, 50, 100, 200 m). The bacterial isolates were identified in the automated micro identification system VITEK 2 Compact 30 (Biomereux, France). The mean abundance was higher in Sts. D, E and F than Sts. A, B and C, located in the eastern part of the gulf. The mean abundance decreased as the depth level increased. The mean abundance of CHB ranged between 8.15 × 106 and 2.54 × 108 CFU ml−1 throughout the year. Abundance of CHB differed according to the variations of biotic and abiotic factors. A total of 27 taxa of bacteria including six bacterial classes were reported in this study as the first records for the Gulf of Antalya. Six bacterial classes: Gamma Proteobacteria (46.81 %), Bacilli (27.66 %), Beta Proteobacteria (12.77 %), Alfa Proteobacteria (6.38 %), Actinobacteria (4.26 %) and Flavobacteria (2.13 %) were determined. The study resulted in increased knowledge on the composition and biochemical response of bacteria isolated from eutrophic and oligotrophic areas. 23 bacteria species belonging to 16 families were reported.


Mediterranean Sea Antalya Culturable heterotrophic bacteria Dissolved nutrients Bacterial diversity 



We would like to thank Prof. Dr. Gülşen Altuğ and Assoc. Prof. Dr. Umur Onal for their valuable comments and support, and Captain Akın Akyar and the crew of the “Akyarlar” for their help in collecting the samples.


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Copyright information

© Springer Science+Business Media Dordrecht 2015

Authors and Affiliations

  • Mine Çardak
    • 1
  • Elif Özgür Özbek
    • 2
  • Turhan Kebapçioğlu
    • 3
  1. 1.Faculty of Marine Science and TechnologyCanakkale 18 Mart UniversityCanakkaleTurkey
  2. 2.Antalya Metropolitan Municipality, Marine Biology MuseumAntalyaTurkey
  3. 3.Faculty of FisheriesAkdeniz UniversityAntalyaTurkey

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