milestone 4: lake and river workshop 1 – workshop minutes · milestone 4: lake and river workshop...

Milestone 4: Lake and river workshop 1 – workshop minutes

Funded by the European Union within the 7th Framework Programme, Grant Agreement 603378. Duration: February 1st, 2014 – January 31th, 2018


Lead contractor: Aarhus University (AU) Contributors: Erik Jeppesen (AU), Stefan Schmutz (BOKU), Rafaela Schinegger (BOKU) Due date of deliverable: Month 05 Actual submission date: Month 05

Dissemination Level PU Public X PP Restricted to other programme participants (including the Commission Services) RE Restricted to a group specified by the consortium (including the Commission Services) CO Confidential, only for members of the consortium (including the Commission Services)


Content

Non-technical summary...............................................................................................................3 Task 3.1 Lake experiments ..........................................................................................................4

Participants .................................................................................................................................4 Outcomes and resolutions ..........................................................................................................4 Planned meetings........................................................................................................................5

Task 3.2 River experiments .........................................................................................................6 Participants .................................................................................................................................6 Agenda of the task meeting ........................................................................................................6 List of presentations ...................................................................................................................6 Main objective of the task and the task meeting ........................................................................6 Outcomes and resolutions ..........................................................................................................6 Planned meetings........................................................................................................................8

Task 3.3 Analysis of time series...................................................................................................9 List of presentations ...................................................................................................................9 Main objective of the task and the task meeting ........................................................................9 Outcomes and resolutions ..........................................................................................................9


Non-technical summary This document provides detailed minutes of the first lakes and rivers workshop, held by Work Package 3 (multiple stressors at water body scale) during the MARS kick-off meeting on Mallorca, February 17-21 2014. The minutes were extracted from Deliverable D1.A 'Minutes from the Kick-off Meeting and Detailed Implementation Plan of project activities'. The workshop's results are given on a task basis with a focus on the outcomes and resolutions taken on the meeting. Special emphasis was placed on specifying the timetable, identifying the crucial work steps and exchanging among individual experiments.


Task 3.1 Lake experiments Subtask 3.1.1 Extreme rainfall

Subtask 3.1.2 Extreme heatwaves

Subtask 3.1.3 Extreme mixing and DOM loading

Participants

Erik Jeppesen (AU), Meryem Beklioglu (METU), Heidrun Feuchtmayr (NERC), Daniel Graeber (AU), Pritt Zingel (EMU), Mark Gessner (FVB-IGB), Ute Mischke (FVB-IGB) et al.

Outcomes and resolutions

Crucial steps

• Should nutrient loading be based on constant concentration or constant loading? There were discussions about this. The UK and DK experiments will use constant loading while GR considers to achieve constant concentration on tanks. Will discuss this further between NIVA and IGB.

• Partners would decide on the frequency of sampling. More frequent after the extreme events.

• For sampling & analysis, some protocols would be circulated to harmonise: • Phytoplankton protocol: Ute Mischke • Zooplankton, Macrophytes and Periphyton, Chl-a: Erik Jeppesen, Meryem

Beklioglu • Bacteria: Daniel Graeber, Pritt Zingel, Mark Gessner • Macroinvertebrates/fish: Heidrun Feuchtmayr • Bacterioplankton production: Erik Jeppesen

• This allows cross-comparison of experimental data and great joint syntheses papers and robust benchmark indicator data to be delivered to other WPs’

• Deadline for protocols: March 15 • Production and respiration will be measured continuously using oxygen optodes. • Intercalibration of zooplankton and phytoplankton will be necessary. • Chlorophyll-a analysis will be conducted based on ethanol extraction method. The rest of

the chemical analysis will be based on each labs’ capacity. • Optional experiments: Macrophyte incubation experiment conducted by DK. • Fish experiment (keepnet experiment) by UK, Bacterioplankton production by AU and

maybe the GR and UK. • Viruses and parasites may be analysed by GR but depends on the external funding. • For analysing cyano toxins, NIVA would send a protocol for taking samples and analysis

may be conducted in NIVA. GR will conduct measurements. If others are to be involved additional external funding are needed for the laboratory.

• Only GR will measure the DOC as it is a treatment in their experiment


• FTIR analysis for identifying impacts of stressors on organisms through macromolecular profiling suggested by METU can be done on phytoplankton and zooplankton samples of the experiments based on obtaining external funding. METU will circulate info.

Timetable

Major working period

• Experiment will start in June in DK & UK and lasts for 2 years. GR experiment will last from mid-June to mid-September (2014).

Contribution to deliverables and milestones

• D3.1-1: time series analysis in the north temperate region, EMU, month 24 • D3.1-2: temperature effects on shallow lakes based on existing experimental data, AU,

month 24 • M4: Lake and river workshop 1, AU, month 5 • M5: Lake and river workshop 2, BOKU, month 36

Benchmark indicators

• After the meeting it was agreed that aggregated benchmark indicators to be used in other WPs should be delivered in excel-files in a common format across experiments. We should strive to have them ready in month 30.

Planned meetings

No physical meetings needed before the next MARS meeting. In urgent matters we use skype.


Task 3.2 River experiments Subtask 3.2.1 Extreme flows in Nordic rivers

Subtask 3.2.2 Peak flows in Alpine rivers

Subtask 3.2.3 Water scarcity in Mediterranean rivers

Subtask 3.2.4 Low flows in Nordic rivers

Participants

Stefan Schmutz (BOKU), Rafaela Schinegger (BOKU), Bernhard Zeiringer (BOKU), Wolfram Graf (BOKU), Thomas Hein (BOKU), Stefan Auer (BOKU), Annette Baattrup-Petersen (AU), Daniel Graeber (AU), Christian Wolter (FVB-IGB), Susanne Schneider (NIVA), Nikolai Friberg (NIVA), Antonio Pinheiro (ULisboa), Paulo Branco (ULisboa), Ramiro Neves (ULisboa)

Agenda of the task meeting

• Presentation of experimental facilities (by each partner) including study design, list of manipulations response variables, information on replicates & timeframe for experiments

• Discussion on experimental set-up (details) • Harmonization of experiments • Common activities, joint research questions & publications (including time-schedule),

student exchange • Link to other WPs/tasks • Schedule for future task-meetings

List of presentations

• Two introductory presentations (long and short versions) (Stefan Schmutz, BOKU) • ‘Subtask 3.2.2 Peak flows in Alpine rivers’, presentation of the Hydromorphology and

Temperature Experimental Channel (HyTEC) in Austria (Bernhard Zeiringer, BOKU)

Main objective of the task and the task meeting

The main objective was to discuss all experimental facilities in detail including study design, manipulations etc. in order to harmonize the experiments. Furthermore, common activities between Task 3.2 partners were discussed (see agenda).


• The main task achievements are the river experiments to be conducted in the research facilities. Based on related outcomes, several manuscripts will be produced.

• The experiments will be conducted between spring 2014 and autumn 2015.


• Manuscripts of experimental results are the final outputs of Task 3.2. Manuscripts will be finished in month 42.

Manuscripts planned

BOKU:

• Graf et al.: “Hydrological regimes-along neglected factor shaping freshwater communities”

• Graf et al.: “Indicators for hydrological regimes from function group to species and stages”

• Auer et al.: “Experiments on drifting and stranding of larval grayling during fluctuating flow in nature-like channels with different gradient bars”

• Auer et al.: “Experiments on drifting and stranding of juvenile grayling during fluctuating flow and varying water temperature in nature-like channels”.

• Bondar et al.: “Impacts of daily hydropeaking on the metabolism of benthic algal mats”. NIVA:

• “Linking short term-experiments to long-term time series: understanding the impact of multiple stress on lotic ecosystems”.

• “Disentangling impacts of multiple stress on lotic ecosystems using a spatial-temporal experimental framework”.

• “The impact of low flow, nutrients and fine sediment loads on the structure and functioning of model lowland streams”.

ULisboa:

• “Potamodromous fish behaviour under multiple stressors: an artificial river experiment”. • “Freshwater fish school geometry maintenance under multiple stressors scenarios”. • “How does organic load affect freshwater biota under different flow scenarios”?

AU:

• “Effects of sediment load and nutrients on benthic primary production under low flow”. • “Benthic biofilm structural development under low flow and effects of multiple

stressors”. • “Ecosystem metabolism and nutrient dynamics under low flow and effects of nutrient

enrichment and sediment load”. • “Interactions between the benthic biofilm and macroinvertebrates: Structural and

functional responses under multiple stresses in experimental stream flumes”. • “Physical limitations to nutrient processing under low flow”. • “Structural and functional linkages under low flow and identification of key indicators of

ecosystem changes”. NIVA/AU:

• “The impact of low flow, nutrients and fine sediment loads on the structure and functioning of model lowland streams” (proposal of Nikolai Friberg, but for Danish experiments).


Contribution to Deliverables and Milestones

• Indicator Algae: Potential for a good cooperation between hydropeaking experiments with algae from BOKU and NIVA in terms of hydropeaking effects on algae (species composition) and food-web analyses; further talks in case of temporary adjustment; BOKU: hydropeaking and water temperature, NIVA: hydropeaking and nutrients; possible investigation on grazing pressures.

• Indicator Macroinvertebrates: Cooperation possibility between BOKU, NIVA, AU, and with UDE.

• Indicator Fish: Cooperation between BOKU (larvae, juveniles) and UL (adults) not easy during first year, possible later.

• Possible indicator: Biofilms (NIVA and BOKU possible)

Other tasks are tightly linked to this task

• Task 2.5 will receive a filled data form as well as the matrix, which is describing all experiments in detail.

• Close contact will be held with Tasks 3.1 and 3.3.

Contributions required by other tasks

• Task 2.3 (benchmark indicators) should provide the outcomes as soon as available, additional indicators then could be tested in the 2nd year of experiments (if applicable).

• Based on a list of ecosystem services provided by task 2.2, river experiments can be assigned to certain services.

Timeline:

• Preliminary experimental design: month 2 • Final experimental design: month 3 • End of experiments: month 30 • End of manuscripts: month 42

Planned meetings

Not exactly known, possibly shared interests via video-conference exchange; 2nd meeting maybe together with mid-term meeting. BOKU and others are interested in visiting NIVA facilities during Ecohydraulics conference in June 2014 and in visiting ULisboa facilities before/after the WP 4 meeting in Lisbon in October 2014.


Task 3.3 Analysis of time series Details will be added in a later stage.

List of presentations

• Content of the task (Steve Ormerod, CU)

Main objective of the task and the task meeting

• Analysis of time-series in rivers • Workshop: inter-regional comparisons of river multiple stressors


• Integrates with WP2 and WP4 • Supports WP3 experimental programme by offering real long-term data (> 20-35 years)

from multiple sites at nested scales (catchment-region) • Can illustrate whether experimental outcomes match response to multiple stressors • Adds genuine basin-scale experiments (100-250 ha catchments)

milestone 4: lake and river workshop 1 – workshop minutes · milestone 4: lake and river workshop...

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