Data for: "Experimental riparian forest gaps and increased sediment loads modify stream metabolic patterns and biofilm composition"
Data files
Data files
Documentation files
Documentation files
Citation and access
Citation and access
Data access level:
Creator/Principal investigator(s):
Research principal:
Principal's reference number:
- SLU.seksko.2019.4.2-92
Data contains personal data:
No
Citation:
Language:
Method and outcome
Method and outcome
Time period(s) investigated:
Variables:
24
Data collection - Experiment
Data collection - Experiment
Mode of collection:
Experiment
Description of the mode of collection:
We estimated biofilm biomass as chl α (µg cm-2) in each channel. For all chl α estimates, we used a BenthoTorch, an in-situ, hand-held fluorometric instrument (bbe Moldaenke, Germany). The BenthoTorch estimates chl α and distinguishes between diatoms, green algae and cyanobacteria. Estimates of total chl α from a BenthoTorch compare well with conventional spectrophotometric methods when biofilms are relatively thin, as in our situation. However when quantifying community composition, the BenthoTorch have been shown to overestimate the abundance of diatoms, yet the instrument performs well in factory calibrations against standards. Still, we only used the community composition results to note presence or absence of green algae in the channels. All statistical analyses used the sum of diatoms, green algae and cyanobacteria (i.e. total chl α).
Time period(s) for data collection:
2022-07-01 - 2022-10-31
Temporal resolution:
7 day
Instrument
Instrument
Name:
BenthoTorch
Type:
Technical instrument(s)
Description of the instrument:
Handheld, in situ fluorometric chla analyser
Data collection - Experiment
Data collection - Experiment
Mode of collection:
Experiment
Description of the mode of collection:
Each channel was equipped with a miniDOT (Precision Measurement Engineering Inc., USA) to record dissolved oxygen. Metabolism was estimated using the single-station diel oxygen method approach where gross primary production (GPP) and Ecosystem Respiration (ER) was estimated using Bayesian inverse modelling.
Time period(s) for data collection:
2022-07-01 - 2022-10-31
Temporal resolution:
10 minute
Instrument
Instrument
Name:
miniDOT
Type:
Technical instrument(s)
Description of the instrument:
A miniDOT records dissolved oxygen and is deployed in water
Geographic coverage
Geographic coverage
Geographic location:
Geographic description:
The experimental channels are located next to Svartberget researchstation outside Vindeln, Västerbotten. The surveyed streams are located outside Nordmaling, Rödånäs, Gräsmyr, Bjurholm and Vindeln.
Administrative information
Administrative information
Responsible department/unit:
Forest ecology and management
Contributor(s):
- Lenka Kuglerová - Swedish University of Agricultural Sciences - Forest ecology and management
- Larry Greenberg - Karlstad University
Funding
Funding
Funding agency:
- Swedish Research Council for Environment Agricultural Sciences and Spatial Planning
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Award number:
2019-01108
Funding agency:
- World Wide Fund for Nature
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Award number:
300326
