Results 181 to 190 of about 12,499 (209)

<i>Legionella</i> affects biofilm structural response to detachment upon shear stress increase. [PDF]

Biofilm
Silva AR, Keevil CW, Pereira A.
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Bacterial carbon biomass calculated from biovolumes

Fundamental and Applied Limnology, 1998
A conversion factor (CF) for the transformation of bacterial biovolumes to carbon biomass was calculated from measurements of particulate organic carbon (POC) and bacterial biovolumes (BV) in a large number of bacterial growth experiments from both freshwater and marine systems.
Theil-Nielsen, J., Søndergaard, Morten
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BIOVOLUME CALCULATION FOR PELAGIC AND BENTHIC MICROALGAE

Journal of Phycology, 1999
Microalgal biovolume is commonly calculated to assess the relative abundance (as biomass or carbon) of co‐occurring algae varying in shape and/or size. However, a standardized set of equations for biovolume calculations from microscopically measured linear dimensions that includes the entire range of microalgal shapes is not available yet.
Helmut Hillebrand, Claus‐Dieter Dürselen, David Kirschtel, Utsa Pollingher, Tamar Zohary   +4 more
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Estimation of cyanobacteria biovolume in water reservoirs by MERIS sensor

Water Research, 2014
Planktonic cyanobacteria primarily develop in lentic water bodies, such as lakes and water reservoirs. In certain instances, toxin-producing cyanobacterial populations might dominate the phytoplankton community. Satellite remote sensing is a useful tool for large spatial scale monitoring of cyanobacteria, and the MERIS sensor from the Envisat satellite
M. Medina-Cobo, J.A. Domínguez, A. Quesada, C. de Hoyos   +3 more
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Improved biovolume estimation of Microcystis aeruginosa colonies: A statistical approach

Journal of Microbiological Methods, 2018
The Microcystis aeruginosa complex (MAC) clusters many of the most common freshwater and brackish bloom-forming cyanobacteria. In monitoring protocols, biovolume estimation is a common approach to determine MAC colonies biomass and useful for prediction purposes.
I, Alcántara, C, Piccini, A M, Segura, S, Deus, C, González, G, Martínez de la Escalera, C, Kruk   +6 more
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Respiration rates and biovolumes of common benthic Foraminifera (Protozoa)

Journal of the Marine Biological Association of the United Kingdom, 1994
The respiration rates of five genera of benthic Foraminifera were determined by Cartesian diver microrespirometry. Across all genera studied, the rate averaged 11·3×10−3μl O2individual−1h−1at 10°C. Estimates of foraminiferal mean biovolumes ranged from 0·66 to 6·54×106μm3, giving an overall mean volume-specific respiration rate of 7·36 × 10−9μl O2h−1μm−
Fiona Hannah, Rew Rogerson, Johanna Laybourn-Parry   +2 more
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Estimation of Submergent Plant Bed Biovolume using Acoustic Range Information

Canadian Journal of Fisheries and Aquatic Sciences, 1990
Acoustic measurements of the distance between the water surface, top of the aquatic plants, and bottom of the water column were made using chart recording echosounders. The vertical cross sectional area (m2), height (m), biovolume (m3), of aquatic plant beds and variances were computed for three surveys of Devils Lake, Oregon, in May, July, and ...
G. L. Thomas, S. L. Thiesfeld, S. A. Bonar, R. N. Crittenden, G. B. Pauley   +4 more
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Change in cyanobacterial biovolume due to preservation by Lugol's Iodine

Harmful Algae, 2005
Cyanobacterial biovolume is used as a guide to the public health risk from these organisms for users of potable and recreational waters. Most routine surveillance programs preserve phytoplankton samples before analysis. We tested the effect of Lugol’s Iodine, a common preservative, on the cell biovolume of four common freshwater cyanobacteria ...
Peter R. Hawkins, Jon Holliday, Amrit Kathuria, Lee Bowling   +3 more
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Short-term variations in specific biovolumes of different bacterial forms in aquatic ecosystems

Microbial Ecology, 1991
Short-term and spatial fluctuations in specific biovolumes (volume x cell(-1)) of different morphological categories of planktonic bacteria were estimated microscopically. Samples were taken from two lakes occurring in two different climatic systems: Lake Aydat (France) and Lake Cromwell (Canada).
Sime-Ngando, Télesphore, Bourdier, Gilles, Amblard, Christian, Pinel-Alloul, B.   +3 more
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Reconstruction and computation of microscale biovolumes using geographical information systems: potential difficulties

Research in Microbiology, 2004
Biofilms are bacterial colonies enveloped in a matrix of extracellular polymeric secretions. Confocal scanning laser microscopy has been used in conjunction with different image analysis techniques to investigate the structure of biofilms. A major goal is to reconstitute the three-dimensional structure of biofilms, and compute or estimate the ...
Petrisor, Alexandru I., Cuc, Adrian, Decho, Alan W.   +2 more
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