Simultaneous consumption and production of fluorescent dissolved organic matter by lake bacterioplankton

F Guillemette, PA del Giorgio - Environmental microbiology, 2012 - Wiley Online Library
Recent evidence suggests a key role of bacterioplankton in shaping the composition of the
dissolved organic matter (DOM) pool in aquatic systems, not only through consumption but …

Ecoenzymatic stoichiometry of stream sediments with comparison to terrestrial soils

RL Sinsabaugh, JJ Follstad Shah, BH Hill, CM Elonen - Biogeochemistry, 2012 - Springer
The kinetics and elemental composition of cellular units that mediate production and
respiration are the basis for the metabolic and stoichiometric theories of ecological …

[HTML][HTML] Prokaryotic horizontal gene transfer in freshwater lakes: implications of dynamic biogeochemical zonation

D Christopher N, W Lesley A - Journal of Environmental Protection, 2012 - scirp.org
The highly adaptive nature of prokaryotic communities in the face of changing environmental
conditions reflects in part their ability to share advantageous genetic information through …

Respiration and bacterial carbon dynamics in the Amundsen Gulf, western Canadian Arctic

D Nguyen, R Maranger, JÉ Tremblay… - Journal of …, 2012 - Wiley Online Library
Respiration rates are fundamental to understanding ecosystem C flux; however, respiration
remains poorly characterized in polar oceans. The Circumpolar Flaw Lead (CFL) study …

Exposure of dissolved organic matter to UV-radiation increases bacterial growth efficiency in a clear-water Alpine stream and its adjacent groundwater

C Fasching, TJ Battin - Aquatic Sciences, 2012 - Springer
In many streams, microbial growth largely relies on terrigenous organic carbon that has
been initially stored in soils and that is generally believed to be recalcitrant to microbial …

Gravel pit lake ecosystems reduce nitrate and phosphate concentrations in the outflowing groundwater

A Weilhartner, C Muellegger, M Kainz, F Mathieu… - Science of the total …, 2012 - Elsevier
Gravel excavation often bears conflicts with the use of drinking water as under-water-table
mining can directly impact groundwater quality downstream of the open gravel pit lake due …

Phosphorus and DOC availability influence the partitioning between bacterioplankton production and respiration in tidal marsh ecosystems

PA del Giorgio, REI Newell - Environmental microbiology, 2012 - Wiley Online Library
The organic carbon consumed by aquatic bacteria (BCC) is partitioned between bacterial
production (BP) and respiration (BR), but the factors that determine BCC and its partition into …

Benthic and pelagic sources of carbon dioxide in boreal lakes and a young reservoir (Eastmain‐1) in eastern Canada

SM Brothers, YT Prairie… - Global biogeochemical …, 2012 - Wiley Online Library
Lakes and reservoirs typically emit CO2to the atmosphere as a result of respiration in excess
of primary production. For reservoirs, this respiration is often assumed to be primarily of …

Carbon, nitrogen and phosphorus resource supply and utilisation for coastal planktonic heterotrophic bacteria in a gradient of nutrient loading

O Vadstein, T Andersen, HR Reinertsen… - Marine Ecology Progress …, 2012 - int-res.com
Data from 7 mesocosms with a gradient in daily nutrient loading rate (LN) and inverse
modelling were used to estimate all C, N and P flows in an idealised food web. The gradient …

[HTML][HTML] Coliform bacteria: The effect of sediments on decay rates and on required detention times in stormwater BMPs

K Alison R, S Cristiane Q, U Danielle C - Journal of Environmental …, 2012 - scirp.org
Fecal indicator bacteria, such as total coliforms and E. coli, are a challenge to control in
urban and rural stormwater runoff. To assess the challenges of improving bacterial water …