Seasonal dynamics of dissolved organic matter and microbial activity in the coastal North Sea
作者： E Sintes , K Stoderegger , V Parada , GJ Herndl
DOI: 10.3354/AME01404
关键词: Environmental chemistry 、 Phytoplankton 、 Environmental science 、 Spring bloom 、 Sedimentation 、 Photosynthesis 、 Annual cycle 、 North sea 、 Carbon 、 Dissolved organic carbon 、 Oceanography
摘要: The dynamics of dissolved organic matter (DOM) and microbial activity were monitored in the coastal North Sea over an annual cycle. DOM accumulated during spring bloom towards summer, associated with high phytoplankton extracellular release. Accumulation carbon (DOC) occurred from April to June. During this period, based on bacterial demand (BCD) free-living bacteria photosynthetic release (PER), 85 µM C derived sources other than direct DOC by phytoplankton. Thereafter, end August until December, concentrations decreased about half. at least 269 was removed system via utilization community and/or sedimentation export. Overall, our data indicate a pronounced seasonal shift supporting BCD. From BCD is almost fully supported PER alone while fall winter, equally spring-summer period originating presumably variety production mechanisms.
sci-hub.st 参考文章(49)
Craig A. Carlson, Chapter 4 – Production and Removal Processes Biogeochemistry of Marine Dissolved Organic Matter. pp. 91- 151 ,(2002) , 10.1016/B978-012323841-2/50006-3
Hiroshi Ogawa, Eiichiro Tanoue, Dissolved Organic Matter in Oceanic Waters Journal of Oceanography. ,vol. 59, pp. 129- 147 ,(2003) , 10.1023/A:1025528919771
Sanghoon Lee, Jed A. Fuhrman, Relationships between Biovolume and Biomass of Naturally Derived Marine Bacterioplankton. Applied and Environmental Microbiology. ,vol. 53, pp. 1298- 1303 ,(1987) , 10.1128/AEM.53.6.1298-1303.1987
Anand Patel, Rachel T Noble, Joshua A Steele, Michael S Schwalbach, Ian Hewson, Jed A Fuhrman, Virus and prokaryote enumeration from planktonic aquatic environments by epifluorescence microscopy with SYBR Green I Nature Protocols. ,vol. 2, pp. 269- 276 ,(2007) , 10.1038/NPROT.2007.6
LR Pomeroy, WJ Wiebe, Temperature and substrates as interactive limiting factors for marine heterotrophic bacteria Aquatic Microbial Ecology. ,vol. 23, pp. 187- 204 ,(2001) , 10.3354/AME023187
M Simon, F Azam, Protein content and protein synthesis rates of planktonic marine bacteria Marine Ecology Progress Series. ,vol. 51, pp. 201- 213 ,(1989) , 10.3354/MEPS051201
A.E.J. Miller, Seasonal Investigations of Dissolved Organic Carbon Dynamics in the Tamar Estuary, U.K. Estuarine, Coastal and Shelf Science. ,vol. 49, pp. 891- 908 ,(1999) , 10.1006/ECSS.1999.0552
K.O. Buesseler, J.E. Bauer, R.F. Chen, T.I. Eglinton, O. Gustafsson, W. Landing, K. Mopper, S.B. Moran, P.H. Santschi, R. VernonClark, M.L. Wells, An intercomparison of cross-flow filtration techniques used for sampling marine colloids: Overview and organic carbon results Marine Chemistry. ,vol. 55, pp. 1- 31 ,(1996) , 10.1016/S0304-4203(96)00046-1
Itxaso Artolozaga, María Valcárcel, Begoña Ayo, Ainhoa Latatu, Juan Iriberri, Grazing rates of bacterivorous protists inhabiting diverse marine planktonic microenvironments Limnology and Oceanography. ,vol. 47, pp. 142- 150 ,(2002) , 10.4319/LO.2002.47.1.0142
M.C. Buijsman, Herman Ridderinkhof, Variability of secondary currents in a weakly stratified tidal inlet with low curvature computer science symposium in russia. ,vol. 28, pp. 1711- 1723 ,(2008) , 10.1016/J.CSR.2008.04.001