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Hydrological pulse regulating the bacterial heterotrophic metabolism between Amazonian mainstems and floodplain lakes

Overview of attention for article published in Frontiers in Microbiology, September 2015
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Title
Hydrological pulse regulating the bacterial heterotrophic metabolism between Amazonian mainstems and floodplain lakes
Published in
Frontiers in Microbiology, September 2015
DOI 10.3389/fmicb.2015.01054
Pubmed ID
Authors

Luciana O. Vidal, Gwenäel Abril, Luiz F. Artigas, Michaela L. Melo, Marcelo C. Bernardes, Lúcia M. Lobão, Mariana C. Reis, Patrícia Moreira-Turcq, Marc Benedetti, Valdemar L. Tornisielo, Fabio Roland

Abstract

We evaluated in situ rates of bacterial carbon processing in Amazonian floodplain lakes and mainstems, during both high water (HW) and low water (LW) phases (p < 0.05). Our results showed that bacterial production (BP) was lower and more variable than bacterial respiration, determined as total respiration. Bacterial carbon demand was mostly accounted by BR and presented the same pattern that BR in both water phases. Bacterial growth efficiency (BGE) showed a wide range (0.2-23%) and low mean value of 3 and 6%, (in HW and LW, respectively) suggesting that dissolved organic carbon was mostly allocated to catabolic metabolism. However, BGE was regulated by BP in LW phase. Consequently, changes in BGE showed the same pattern that BP. In addition, the hydrological pulse effects on mainstems and floodplains lakes connectivity were found for BP and BGE in LW. Multiple correlation analyses revealed that indexes of organic matter (OM) quality (chlorophyll-a, N stable isotopes and C/N ratios) were the strongest seasonal drivers of bacterial carbon metabolism. Our work indicated that: (i) the bacterial metabolism was mostly driven by respiration in Amazonian aquatic ecosystems resulting in low BGE in either high or LW phase; (ii) the hydrological pulse regulated the bacterial heterotrophic metabolism between Amazonian mainstems and floodplain lakes mostly driven by OM quality.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 37 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 37 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 8 22%
Researcher 6 16%
Student > Ph. D. Student 5 14%
Student > Doctoral Student 4 11%
Student > Bachelor 3 8%
Other 3 8%
Unknown 8 22%
Readers by discipline Count As %
Agricultural and Biological Sciences 11 30%
Environmental Science 8 22%
Earth and Planetary Sciences 4 11%
Biochemistry, Genetics and Molecular Biology 2 5%
Medicine and Dentistry 1 3%
Other 1 3%
Unknown 10 27%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 30 September 2015.
All research outputs
#20,292,660
of 22,829,083 outputs
Outputs from Frontiers in Microbiology
#22,397
of 24,800 outputs
Outputs of similar age
#230,064
of 274,274 outputs
Outputs of similar age from Frontiers in Microbiology
#344
of 430 outputs
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So far Altmetric has tracked 24,800 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.3. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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We're also able to compare this research output to 430 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.