Relationship between dissolved organic carbon and bacterial community in the coastal waters of Incheon, Korea

• Autorzy: Wang P. , Joo J.-H. , Park B. S. , Kim J-H. , Kim J. H. , Han M.-S.

Identyfikatory

DOI

10.1515/ohs-2017-0006

• Języki publikacji: EN

Abstrakty

EN

Bacteria constitute a large domain of prokaryotic microorganisms present in marine ecosystems and play a significant role in energy flow and nutrient cycling. Bacterial community changes may affect organisms of higher trophic levels. We conducted field monitoring to study the relationship between dissolved organic carbon (DOC) and the bacterial community in the coastal waters of Incheon, Korea. Results showed that abiotic factors, such as temperature, salinity, dissolved oxygen (DO), pH, and dissolved inorganic nutrients, were not significantly different among the sampling sites during the study period. On the other hand, nutrient conditions were significantly different among the sites between 2012-2013 and 2014. Nitrogen was the limiting factor from 2012 to 2013, and phosphate in 2014. Biotic data showed that DOC affected both bacterial abundance and bacterial composition. A similar fluctuation pattern was observed for phytoplankton and Chlorophyll a. However, a close correlation was not observed between phytoplankton and other variables. Redundancy analysis (RDA) and Pearson correlation analysis of abiotic and biotic factors also showed that DOC concentration and bacterial abundance were correlated. Therefore, DOC appears to be an important factor affecting bacterial abundance and composition in the coastal waters of Incheon, Korea.

Słowa kluczowe

EN

bacterial biomass; bacterial composition; coastal waters of Incheon; dissolved organic carbon

• Wydawca: Institute of Oceanography University of Gdańsk
• Czasopismo: Oceanological and Hydrobiological Studies
• Rocznik: 2017
• Tom: Vol. 46, No. 1
• Strony: 50--61
• Opis fizyczny: Bibliogr. 55 poz.

Twórcy

autor

Wang P.

• Department of Life Science, College of Natural Sciences, Hanyang University, 222 Wangsimniro, Seongdong-gu, Seoul 133-791, Republic of Korea
• Key Laboratory of Marine Ecosystem and Biogeochemistry, The Second Institute of Oceanography, State Oceanic Administration (SOA), Hangzhou, 310012, China

autor

Joo J.-H.

• Department of Life Science, College of Natural Sciences, Hanyang University, 222 Wangsimniro, Seongdong-gu, Seoul 133-791, Republic of Korea

autor

Park B. S.

• Department of Life Science, College of Natural Sciences, Hanyang University, 222 Wangsimniro, Seongdong-gu, Seoul 133-791, Republic of Korea

autor

Kim J-H.

• Department of Life Science, College of Natural Sciences, Hanyang University, 222 Wangsimniro, Seongdong-gu, Seoul 133-791, Republic of Korea

autor

Kim J. H.

• Department of Life Science, College of Natural Sciences, Hanyang University, 222 Wangsimniro, Seongdong-gu, Seoul 133-791, Republic of Korea

autor

Han M.-S.

• Department of Life Science, College of Natural Sciences, Hanyang University, 222 Wangsimniro, Seongdong-gu, Seoul 133-791, Republic of Korea

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Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę (zadania 2017).