Similar bacterial growth on dissolved organic matter in anoxic and oxic lake water

2001 ◽  
Vol 24 ◽  
pp. 41-49 ◽  
Author(s):  
D Bastviken ◽  
J Ejlertsson ◽  
L Tranvik
Keyword(s):  
Organic Matter ◽  
Dissolved Organic Matter ◽  
Bacterial Growth ◽  
Lake Water

Systematic microbial production of optically active dissolved organic matter in subarctic lake water

2019 ◽  
Vol 65 (5) ◽  
pp. 951-961
Author(s):  
Martin Berggren ◽  
Cristian Gudasz ◽  
Francois Guillemette ◽  
Geert Hensgens ◽  
Linlin Ye ◽  
...  
Keyword(s):  
Organic Matter ◽  
Dissolved Organic Matter ◽  
Lake Water ◽  
Optically Active ◽  
Microbial Production ◽  
Subarctic Lake

Dynamics and Characteristics of Fluorescent Dissolved Organic Matter in the Groundwater, River and Lake Water

2007 ◽  
Vol 184 (1-4) ◽  
pp. 157-176 ◽  
Author(s):  
Khan M. G. Mostofa ◽  
Takahito Yoshioka ◽  
Eiichi Konohira ◽  
Eiichiro Tanoue
Keyword(s):  
Organic Matter ◽  
Dissolved Organic Matter ◽  
Lake Water ◽  
Fluorescent Dissolved Organic Matter

Electricity generation from dissolved organic matter in polluted lake water using a microbial fuel cell (MFC)

2013 ◽  
Vol 71 ◽  
pp. 57-61 ◽  
Author(s):  
Yan-Rong He ◽  
Xiang Xiao ◽  
Wen-Wei Li ◽  
Pei-Jie Cai ◽  
Shi-Jie Yuan ◽  
...  
Keyword(s):  
Organic Matter ◽  
Fuel Cell ◽  
Dissolved Organic Matter ◽  
Microbial Fuel Cell ◽  
Lake Water ◽  
Electricity Generation ◽  
Polluted Lake

scholarly journals Limitation of Bacterial Growth by Dissolved Organic Matter and Iron in the Southern Ocean

2000 ◽  
Vol 66 (2) ◽  
pp. 455-466 ◽  
Author(s):  
Matthew J. Church ◽  
David A. Hutchins ◽  
Hugh W. Ducklow
Keyword(s):  
Organic Matter ◽  
Dissolved Organic Matter ◽  
Southern Ocean ◽  
Bacterial Growth ◽  
Bacterial Biomass ◽  
Biomass Accumulation ◽  
Growth Efficiency ◽  
Bacterial Growth Efficiency ◽  
Leucine Incorporation ◽  
Mean Cell Volume

ABSTRACT The importance of resource limitation in controlling bacterial growth in the high-nutrient, low-chlorophyll (HNLC) region of the Southern Ocean was experimentally determined during February and March 1998. Organic- and inorganic-nutrient enrichment experiments were performed between 42°S and 55°S along 141°E. Bacterial abundance, mean cell volume, and [3H]thymidine and [3H]leucine incorporation were measured during 4- to 5-day incubations. Bacterial biomass, production, and rates of growth all responded to organic enrichments in three of the four experiments. These results indicate that bacterial growth was constrained primarily by the availability of dissolved organic matter. Bacterial growth in the subtropical front, subantarctic zone, and subantarctic front responded most favorably to additions of dissolved free amino acids or glucose plus ammonium. Bacterial growth in these regions may be limited by input of both organic matter and reduced nitrogen. Unlike similar experimental results in other HNLC regions (subarctic and equatorial Pacific), growth stimulation of bacteria in the Southern Ocean resulted in significant biomass accumulation, apparently by stimulating bacterial growth in excess of removal processes. Bacterial growth was relatively unchanged by additions of iron alone; however, additions of glucose plus iron resulted in substantial increases in rates of bacterial growth and biomass accumulation. These results imply that bacterial growth efficiency and nitrogen utilization may be partly constrained by iron availability in the HNLC Southern Ocean.

Selective loss and preservation of lake water dissolved organic matter fluorescence during long-term dark incubations

2012 ◽  
Vol 433 ◽  
pp. 238-246 ◽  
Author(s):  
Dolly N. Kothawala ◽  
Eddie von Wachenfeldt ◽  
Birgit Koehler ◽  
Lars J. Tranvik
Keyword(s):  
Organic Matter ◽  
Dissolved Organic Matter ◽  
Lake Water ◽  
Selective Loss
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