Home > Research > Publications & Outputs > Utilisation of dissolved organic carbon from di...

Research

Links

Text available via DOI:

View graph of relations

Utilisation of dissolved organic carbon from different sources by pelagic bacteria in an acidic mining lake

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Published

Standard

Utilisation of dissolved organic carbon from different sources by pelagic bacteria in an acidic mining lake. / Kamjunke, Norbert; Bohn, Christiane; Grey, Jonathan.
In: Archiv für Hydrobiologie, Vol. 165, No. 3, 03.2006, p. 355-364.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Kamjunke, N, Bohn, C & Grey, J 2006, 'Utilisation of dissolved organic carbon from different sources by pelagic bacteria in an acidic mining lake', Archiv für Hydrobiologie, vol. 165, no. 3, pp. 355-364. https://doi.org/10.1127/0003-9136/2006/0165-0355

APA

Kamjunke, N., Bohn, C., & Grey, J. (2006). Utilisation of dissolved organic carbon from different sources by pelagic bacteria in an acidic mining lake. Archiv für Hydrobiologie, 165(3), 355-364. https://doi.org/10.1127/0003-9136/2006/0165-0355

Vancouver

Kamjunke N, Bohn C, Grey J. Utilisation of dissolved organic carbon from different sources by pelagic bacteria in an acidic mining lake. Archiv für Hydrobiologie. 2006 Mar;165(3):355-364. doi: 10.1127/0003-9136/2006/0165-0355

Author

Kamjunke, Norbert ; Bohn, Christiane ; Grey, Jonathan. / Utilisation of dissolved organic carbon from different sources by pelagic bacteria in an acidic mining lake. In: Archiv für Hydrobiologie. 2006 ; Vol. 165, No. 3. pp. 355-364.

Bibtex

@article{8edde99cbd1b40cdb86b8b2c478565e3,
title = "Utilisation of dissolved organic carbon from different sources by pelagic bacteria in an acidic mining lake",
abstract = "We compared growth rates and efficiencies of pelagic bacteria from an extremely acidic mining lake (pH 2.6, mean depth 4.6 m) supplied with different sources of carbon: (1) excreted by phytoplankton, (2) derived from benthic algae, (3) entering the lake via ground water, and (4) leached from leaf litter. Bacteria exhibited high growth rate and efficiency on exudates of pelagic and benthic algae. In contrast, they showed a lower growth rate and efficiency with organic carbon from ground water, and grew at a very high rate but a very low efficiency on leaf leachate. Results from stable isotope analyses indicate a greater importance of benthic exudates and leaf leachate for bacteria in the epilimnion, and a higher impact of ground water sources in the hypolimnion. Given the magnitude of differential source inputs into the lake, we suggest that benthic primary production was the most important carbon source for pelagic bacteria. The benthic-pelagic coupling seems to be more relevant in this shallow acidic lake with low pelagic carbon dioxide concentrations than in neutral lakes. ",
author = "Norbert Kamjunke and Christiane Bohn and Jonathan Grey",
year = "2006",
month = mar,
doi = "10.1127/0003-9136/2006/0165-0355",
language = "English",
volume = "165",
pages = "355--364",
journal = "Archiv f{\"u}r Hydrobiologie",
issn = "0003-9136",
publisher = "E. Schweizerbart'sche Verlagsbuchhandlung",
number = "3",

}

RIS

TY - JOUR

T1 - Utilisation of dissolved organic carbon from different sources by pelagic bacteria in an acidic mining lake

AU - Kamjunke, Norbert

AU - Bohn, Christiane

AU - Grey, Jonathan

PY - 2006/3

Y1 - 2006/3

N2 - We compared growth rates and efficiencies of pelagic bacteria from an extremely acidic mining lake (pH 2.6, mean depth 4.6 m) supplied with different sources of carbon: (1) excreted by phytoplankton, (2) derived from benthic algae, (3) entering the lake via ground water, and (4) leached from leaf litter. Bacteria exhibited high growth rate and efficiency on exudates of pelagic and benthic algae. In contrast, they showed a lower growth rate and efficiency with organic carbon from ground water, and grew at a very high rate but a very low efficiency on leaf leachate. Results from stable isotope analyses indicate a greater importance of benthic exudates and leaf leachate for bacteria in the epilimnion, and a higher impact of ground water sources in the hypolimnion. Given the magnitude of differential source inputs into the lake, we suggest that benthic primary production was the most important carbon source for pelagic bacteria. The benthic-pelagic coupling seems to be more relevant in this shallow acidic lake with low pelagic carbon dioxide concentrations than in neutral lakes.

AB - We compared growth rates and efficiencies of pelagic bacteria from an extremely acidic mining lake (pH 2.6, mean depth 4.6 m) supplied with different sources of carbon: (1) excreted by phytoplankton, (2) derived from benthic algae, (3) entering the lake via ground water, and (4) leached from leaf litter. Bacteria exhibited high growth rate and efficiency on exudates of pelagic and benthic algae. In contrast, they showed a lower growth rate and efficiency with organic carbon from ground water, and grew at a very high rate but a very low efficiency on leaf leachate. Results from stable isotope analyses indicate a greater importance of benthic exudates and leaf leachate for bacteria in the epilimnion, and a higher impact of ground water sources in the hypolimnion. Given the magnitude of differential source inputs into the lake, we suggest that benthic primary production was the most important carbon source for pelagic bacteria. The benthic-pelagic coupling seems to be more relevant in this shallow acidic lake with low pelagic carbon dioxide concentrations than in neutral lakes.

U2 - 10.1127/0003-9136/2006/0165-0355

DO - 10.1127/0003-9136/2006/0165-0355

M3 - Journal article

VL - 165

SP - 355

EP - 364

JO - Archiv für Hydrobiologie

JF - Archiv für Hydrobiologie

SN - 0003-9136

IS - 3

ER -