Dr. Daniel Graeber

Contact/ Address

Dr. Daniel Graeber
Group leader "Hydrological-ecological processes"

Department Aquatic Ecosystem Analysis and Management (ASAM)
Helmholtz Centre
for Environmental Research - UFZ
Brückstr. 3a, 39114 Magdeburg, Germany

Tel: +49 391 810 9103
Fax: +49 341 235 459103
daniel.graeber@ufz.de

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ResearchGate
Dr. Daniel Graeber

Spectroscopic Analysis of Dissolved Organic Matter in R - staRdom

Check out our new, free, open-access R package "staRdom"  for fast and versatile analysis of your spectroscopic dissolved organic matter (DOM) data:

Data flow and applications in staRdom

Publication (open access): Pucher, M., Wünsch, U., Weigelhofer, G., Murphy, K., Hein, T., Graeber, D., 2019. staRdom: Versatile Software for Analyzing Spectroscopic Data of Dissolved Organic Matter in R. Water 11, 2366. https://doi.org/10.3390/w11112366

Comprehensive R Archive Network (CRAN) link: https://CRAN.R-project.org/package=staRdom

ResearchGate project for questions.

Curriculum vitae

since June 2017

Scientist at Helmholtz-Centre of Environmental Research - UFZ
Department of Aquatic Ecosystem Analysis

2014 - 2017

PostDoc in two projects: "Sources, quality, processes, transport and effects of dissolved organic matter and dissolved organic nutrients from soils to estuaries" and "Managing aquatic ecosystems and water resources under multiple stress (EU project MARS)", Department of Bioscience, Aarhus University

2014

Participated in various projects, Department of Bioscience, Aarhus University

2010 - 2014

PhD project, Graduate School of Science and Technologies, Aarhus University
Title of the PhD thesis: "Agriculture and climate as modifiers of stream dissolved organic matter"

2007 - 2009

Participated in various projects, Leibniz-Institute of Freshwater Ecology and Inland Fisheries

2007

Master of Science in Biodiversity, Ecology and Evolution, Georg-August-University Göttingen
Title of the thesis: “Structure and food resources of the macroinvertebrate community in the "Krumme Spree"-river section.”

2005

Bachelor of Science in Biology, Georg-August-University Göttingen
Title of the thesis: “Investigation of the saprophagous macroinvertebrate fauna of a biological water treatment plant.”

Research Interests

  • Local and catchment-level determinants of stream ecosystem structure and functioning
  • Relationships between stream ecosystem functioning and C:N:P stoichiometry
  • Dissolved organic matter sources, ecological functions and fate in aquatic ecosystems

Publications

Publications at UFZ

Index:

You could use our publication index for further requests.

2023 (3)

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2022 (5)

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2021 (4)

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2020 (5)

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2019 (5)

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2018 (4)

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2017 (1)

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Peer-reviewed before UFZ
2017
2016
2015
2014
2013
2012
2011
Non peer-reviewed publications
Presentations and posters at meetings and workshops

2017
  • Graeber D., Jensen T.M., Rasmussen J.J., Riis T., Wiberg-Larsen P. & Baattrup-Pedersen A. 2017: Multiple stress response of lowland stream benthic macroinvertebrates depends on habitat type. Science of The Total Environment, 599–600, 1517–1523.
  • Kamjunke, N., Nimptsch, J., Harir, M., Herzsprung, P., Schmitt-Kopplin, P., Neu, T.R., Graeber, D., Osorio, S., Valenzuela, J., Reyes, J.C., Woelfl, S., Hertkorn, N., 2017. Land-based salmon aquacultures change the quality and bacterial degradation of riverine dissolved organic matter. Scientific Reports 7, srep43739. doi:10.1038/srep43739.
  • Neif É.M., Graeber D., Rodrigues L., Rosenhøj-Leth S., Jensen T.M., Wiberg-Larsen P., et al. 2017: Responses of benthic algal communities and their traits to experimental changes in fine sediments, nutrients and flow. Freshwater Biology, 62, 1539–1550.
  • Göthe E., Baattrup-Pedersen A., Wiberg-Larsen P., Graeber D., Kristensen E.A. & Friberg N. Environmental and spatial controls of taxonomic versus trait composition of stream biota. Freshwater Biology, 2017, 62, 397–413.
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2016
  • Thieme, L., Graeber, D., Kaupenjohann, M., Siemens, J. Fast-freezing with liquid nitrogen preserves bulk dissolved organic matter concentrations, but not its composition. Biogeosciences, 2016, 13, 4697 - 4705.
  • Lorenz, S., Leszinski, M. & Graeber, D. Meander reconnection method determines restoration success for macroinvertebrate communities in a German lowland river. International Review of Hydrobiology, 2016, 101, 123 - 131.
  • Wiberg-Larsen, P., Graeber, D., Baattrup-Pedersen, A., Astrup Kristensen, E., Friberg, N. & Rasmussen J. Trait characteristics determine pyrethroid sensitivity in non-standard test species of freshwater macroinvertebrates – A reality check. Environmental Science & Technology, 2016, 50, 4971 - 4978.
  • Amaral, V., Graeber, D., Calliari, D. & Alonso, C. Strong linkages between DOM optical properties and main clades of aquatic bacteria. Limnology and Oceanography, 2016, 61, 906 - 918.
  • Gücker, B., Silva, R. C. S., Graeber, D., Monteiro, J. A. F., Brookshire, E. N. J., Chavez, R. C. & Boëchat, I. G. Dissolved nutrient exports from natural and human-impacted Neotropical catchments. Global Ecology and Biogeography, 2016, 25, 378 - 390.
  • Gücker, B., Silva, R. C. S., Graeber, D., Monteiro, J. & Boëchat, I. Urbanization and agriculture increase exports and differentially alter elemental stoichiometry of dissolved organic matter (DOM) from tropical catchments. Science of the Total Environment, 2016, 550, 785 - 792.
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2015
  • Nimptsch, J., Woelfl, S., Osorio, S., Ebersbach, P., von Tümpling, W., Palma, R., Encina, F., Figueroa, D., Kamjunke, N. & Graeber, D. Tracing dissolved organic matter (DOM) from land-based aquaculture systems in North Patagonian streams. Science of the Total Environment, 2015, 537, 129 - 138.
  • Graeber, D., Boëchat, I., Encina, F., Esse, C., Gelbrecht, J., Goyenola, G., Gücker, B., Heinz, M., Kronvang, B., Meerhoff, M., Nimptsch, J., Pusch, M. T., Silva, R. C. S., von Schiller, D. & Zwirnmann, E. Global effects of agriculture on fluvial dissolved organic matter. Scientific Reports, 2015, 5, 16328.
  • Goyenola, G., Meerhoff, M., Teixeira-de Mello, F., Gonzalez Bergonzoni, I., Graeber, D., Fosalba, C., Vidal, N., Mazzeo, N., Ovesen, N. B., Jeppesen, E. & Kronvang, B. Monitoring strategies of stream phosphorus under contrasting climate-driven flow regimes. Hydrology and Earth System Sciences, 2015, 19, 4099 - 4111.
  • Fiedler, D., Graeber, D., Badrian, M. & Köhler, J. Growth response of four freshwater algal species to dissolved organic nitrogen of different concentration and complexity. Freshwater Biology, 2015, 60, 8, 1613 - 1621.
  • Heinz, M., Graeber, D., Zak, D., Zwirnmann, E., Gelbrecht, J. & Pusch, M. T. Comparison of Organic Matter Composition in Agricultural versus Forest Affected Headwaters with Special Emphasis on Organic Nitrogen, Environmental Science & Technology, 2015, 49, 4, 2081 - 2090.
  • von Schiller, D., Graeber, D., Ribot, M., Timoner, X., Acuña, V., Marti, E., Sabater, S. & Tockner, K. Hydrological transitions drive dissolved organic matter quantity and composition in a temporary Mediterranean stream, Biogeochemistry, 2015, 123, 3, 429 - 446.
  • Graeber, D., Goyenola, G., Meerhoff, M., Zwirnmann, E., Ovesen, N. B., Glendell, M., Gelbrecht, J., Teixeira de Mello, F., Gonzalez-Bergonzoni, I., Jeppesen, E. & Kronvang, B. Interacting effects of climate and agriculture on fluvial DOM in temperate and subtropical catchments. Hydrology and Earth System Sciences, 2015, 19, 2377 - 2394.
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2014
  • Nimptsch, J.; Woelfl, S.; Kronvang, B.; Giesecke, R.; Gonzalez, H. E.; Caputo, L.; Gelbrecht, J.; von Tümpling, W. & Graeber, D. Does filter type and pore size influence spectroscopic analysis of freshwater chromophoric DOM composition? Limnologica - Ecology and Management of Inland Waters, 2014, 48, 57 – 64.
  • Hille, S.; Kristensen, E. A.; Graeber, D.; Riis, T.; Jørgensen, N. K. & Baattrup-Pedersen, A. Fast reaction of macroinvertebrate communities to stagnation and drought in streams with contrasting nutrient availability. Freshwater Science, 2014, 33, 847-859.
  • Boëchat, I.; Krüger, A.; Chaves, R.; Graeber, D. & Gücker, B. Land-use impacts on fatty acid profiles of suspended particulate organic matter along a larger tropical river. Science of The Total Environment, 2014, 482, 62-70.
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2013
  • Murphy, K. R.; Stedmon, C. A.; Graeber, D. & Bro, R. Fluorescence spectroscopy and multi-way techniques: PARAFAC. Analytical Methods, 2013, 5, 6557-6566.
  • Graeber, D.; Pusch, M.; Lorenz, S. & Brauns, M. Cascading effects of flow reduction on the benthic invertebrate community in a lowland river. Hydrobiologia, 2013, 717, 147-159.
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2012
  • Graeber, D.; Gelbrecht, J.; Pusch, M.; Anlanger, C. & von Schiller, D.: Agriculture has changed the amount and composition of dissolved organic matter in Central European headwater streams. Science of The Total Environment, 2012, 438, 435-446.
  • Graeber, D.; Gelbrecht, J.; Kronvang, B.; Gücker, B.; Pusch, M. T. & Zwirnmann, E.: Technical note: Comparison between a direct and the standard, indirect method for dissolved organic nitrogen determination in freshwater environments with high dissolved inorganic nitrogen concentrations. Biogeosciences, 2012, 9, 4873-4884.
  • Graeber, D.; Gücker, B.; Zwirnmann, E.; Kronvang, B.; Weih, C. & Gelbrecht, J.: Dialysis is superior to anion exchange for removal of dissolved inorganic nitrogen from freshwater samples prior to dissolved organic nitrogen determination. Environmental Chemistry, 2012, 9, 529-536.
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2011
  • von Schiller, D.; Acuna, V.; Graeber, D.; Marti, E.; Ribot, M.; Sabater, S.; Timoner, X. & Tockner, K. Contraction, fragmentation and expansion dynamics determine nutrient availability in a Mediterranean forest stream. Aquatic Sciences, 2011, 73, 485-497.
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  • Graeber, D.; Wiberg-Larsen, P.; Bøgestrand, J.; Baattrup-Pedersen, A. Vurdering af effekten af vandindvinding på vandløbs økologiske tilstand. Nationalt Center for Miljø og Energi, 2014.
  • Graeber, D.: Agriculture and climate as modifiers of stream dissolved organic matter. Ph.D. thesis, Aarhus University, Denmark, 2013.
  • Graeber, D.; Martin, J.; Pusch, M.: Ermittlung von Grundlagen zur Erstellung eines Managementplans für die Kleine Flussmuschel (Unio crassus) im Spree-Einzugsgebiet (original title)/ Determination of the basis for generating a management plan for Unio crassus in the catchment of the Spree river. Report for the Environmental Protection Agency of the Federal state of Brandenburg, 82 pp., 2010
  • Graeber, D.: Book Review: Stream Ecology, 2nd Version. - International Review of Hydrobiology 2009, 94, 244
  • Graeber, D. & Pusch, M.: Reaktion des Makrozoobenthos der Spree auf Durchflussverringerung in Trockenjahren (original title)/ Reaction of the macroinvertebrate fauna of the Spree river on discharge reduction in dry years. Conference Proceedings of the German Society of Limnology, 2008
  • Graeber, D. & Pusch, M.: Wenn ein Fluss nicht mehr fließt: Wirkungen verringerten Durchflusses auf die Wirbellosenfauna der Krummen Spree (original title)/ Effects of reduced discharge on the invertebrate fauna of the “Krumme Spree”-river section. Annual Report of the Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB), 2007
  • Graeber, D.: Structure and food resources of the macroinvertebrate community in the "Krumme Spree"-river section. Master thesis, University of Göttingen, 2007.
  • Graeber, D.: Untersuchungen zur Fauna einer Schilfkläranlage – saprophage Makroarthropoden (original title)/ Investigation of the saprophagous macroinvertebrate fauna of a biological water treatment plant. Bachelor thesis, University of Göttingen, 2005.
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 2017

  • Graeber, D., Poulsen J.R., Heinz, M., Rasmussen, J.J., Zak, D., Gücker, B., Kronvang, B., Kamjunke, N. Are planktonic bacteria key organisms for DOC processing in small streams? ASLO Meeting 2017, Hawaii, USA, 2017.

2016

  • Graeber, D. Aquatic DOM – a global journal in human impacts, UFZ seminar, Helmholtz-Centre for Environmental Research, Leipzig, Germany, presentation, 2016.
  • Graeber, D.; Lorenz, S.; Poulsen, J. R.; Heinz, M.; von Schiller, D.; Gücker, B.; Kronvang, B. Contrasting effects of a lowland stream re-vitalization on inorganic nutrient and dissolved organic matter net-uptake, International Workshop on Temporal High Resolution Water Quality Monitoring and Analysis, Aarhus University, Sandbjerg, Denmark, presentation, 2016.
  • Riis, T.; Graeber, D.; Jeppesen, K.; Rosenhøj-Leth, S.; Mia Jensen, T.; Neif, E. M.; Rasmussen, J.; Baattrup-Pedersen, A. Hvad betyder reduceret vandføring for vandløbets økologiske funktioner? Ferskvandssymposium, Copenhagen, Denmark, presentation, 2016.
  • Mia Jensen, T.; Rasmussen, J.; Graeber, D.; Riis, T.; Baattrup-Pedersen, A. Invertebraters fødevalg i landbrugspåvirkede vandløb. Ferskvandssymposium, Copenhagen, Denmark, poster, 2016.
  • Graeber, D.; Poulsen, J. R.; Rasmussen, J.; Kronvang, B.; Zak, D.; Kamjunke, N. Bacterial production in the water column of small streams highly dependent on terrestrial dissolved organic carbon. European Geosciences Union General Assembly, Vienna, Austria, presentation, 2016.

2015

  • Graeber, D.; Heinz, M.; Kronvang, B. Dependence of amount and composition of stream dissolved organic matter on catchment land use. 5th International Symposium on Soil Organic Matter, Göttingen, Germany, presentation, 2015.
  • Graeber, D.; Rosenhøj-Leth, S.; Neif, E. M.; Mia Jensen, T.; Riis, T.; Baattrup-Pedersen, A. Benthic primary and secondary producers: Structural and functional responses under multiple stress in experimental stream flumes. Symposium for European Freshwater Sciences 9, Geneva, Switzerland, presentation, 2015.

2014

  • Goyenola, G.; Meerhoff, M.; Teixeira de Mello, F.; González-Bergonzoni, I.; Graeber, D.; Vidal, N.; Mazzeo, N. Ovesen, N. B.; Jeppesen, E.; Thodsen, H.; Kronvang, B.: Monitoring the effects of climate and agriculture intensity on nutrient fluxes in lowland streams: a comparison between temperate Denmark and subtropical Uruguay, EGU Meeting, Vienna, Austria, poster, 2014.
  • Graeber, D.; Goyenola, G.; Meerhoff, M.; Zwirnmann, E.; Ovesen, N. B.; Gelbrecht, J.; Teixeira de Mello, F.; González-Bergonzoni, I.; Jeppesen, E.; Kronvang, B.: Amount, composition and seasonality of dissolved organic carbon and nitrogen export from agriculture in contrasting climates, EGU Meeting, Vienna, Austria, poster, 2014.

2013

  • Graeber, D.; Goyenola, G.; Meerhoff, M.; Zwirnmann, E.; Ovesen, N. B.; Gelbrecht, J.; Teixeira de Mello, F.; González-Bergonzoni, I.; Jeppesen, E.; Kronvang, B.: Amount, composition and seasonality of dissolved organic carbon and nitrogen export from agriculture in contrasting climates. Land use and Water quality meeting, Den Haag, Netherlands, presentation, 2013.
  • Graeber, D.; Boëchat, I; Encina, F.; Esse, C.; Gelbrecht, J.; Goyenola, G.; Gücker, B.; Kronvang, B.; Meerhoff, M.; Nimptsch, J.; Pusch, M. T.; Silva, R. C. S.; von Schiller, D.; Wolf, M.; Zwirnmann, E.: Inter-biome comparison of dissolved organic matter composition and concentration in streams of agricultural catchments. Symposium for European Freshwater Sciences (SEFS), Münster, Germany, presentation, 2013.
  • Wolf, M.; Graeber, D.; Zwirnmann, E.; Gelbrecht, J.; Pusch, M.: The effect of agricultural land use on quality, quantity and seasonal fluctuations of dissolved organic carbon and nitrogen export through headwater streams. Symposium for European Freshwater Sciences (SEFS), Münster, Germany, presentation, 2013.
  • Graeber, D.: Direkte Messung von gelöstem organischen Stickstoff mittels LC-OND (original title)/ Direct measurement of dissolved organic nitrogen by size-exclusion chromatography. Biogeochemistry group seminar, IGB, Berlin, Germany, 2013.
  • Graeber, D.: Project concept: Long-term effects of wetland restorations on dissolved organic carbon and nutrient emissions. Workshop on ecosystem services of wetlands and river valleys, Kiel, Germany, 2013.

2011

  • Gücker, B.; Silva, R. C. S.; Graeber, D.; Boëchat, I. G.: Analisis de incertidumbre de variables limnologicas: Limites de deteccion de impactos antropicos (original title)/ Analysis of uncertainty for limnological variables: limits of human impact detection. VII Congreso de la Sociedad Chilena de Limnologia, Valdivia, presentation, 2011.
  • von Schiller, D.; Graeber, D.; Britto, D.; García-Roger, E.; Gelbrecht, J.; Karaouzas, I.; Koutsikos, N.; Prat, N.; Steward, A.; Tockner, K.: Terrestrial invertebrate communities of temporary Mediterranean streams. Symposium for European Freshwater Sciences (SEFS), Girona, Spain, presentation, 2011.
  • Graeber, D.; Gelbrecht, J.; Zwirnmann E.; Gücker, B.; Kronvang, B.: Improving dissolved organic nitrogen measurements in freshwater systems with high inorganic nitrogen concentrations. Symposium for European Freshwater Sciences (SEFS), Girona, Spain, presentation, 2011.

2010

  • Graeber, D.; von Schiller, D.; Pusch M. T.; Gelbrecht, J.: Zeitliche Variabilität des Austrags von gelöstem organischen C und N in Oberflächengewässer aus Einzugsgebieten mit unterschiedlichen Landnutzungsformen (original title)/ Temporal variability of the export of dissolved organic carbon and nitrogen in catchments with different land use types. Annual Meeting of the German Society of Limnology, Bayreuth, presentation, 2010.
  • Friese, M.; Graeber, D.; von Schiller, D.; Gaedke, U.; Brauns, M.: Trophische Fraktionierungsfaktoren (Δ15N und Δ13C) des Makrozoobenthos in Abhängigkeit der Nahrungsqualität (original title)/ Trophic fraction factors (Δ15N und Δ13C) of benthic macroinvertebrates in dependence on food quality. Annual Meeting of the German Society of Limnology, Bayreuth, presentation, 2010.
  • Graeber, D.: The Unio crassus -monitoring in the fluvial system of the River Spree: Results and prognoses. Müggelspree Workshop, IGB, presentation, 2010.

2009

  • Graeber, D.; Brauns, M.; Pusch M. Integrating Consumer Biomass and Production into Stable Isotope Analysis of Freshwater Food Webs. ASLO-Meeting, Nice, presentation, 2009.
  • Graeber, D.; Brauns, M.; Pusch M. Reaktion des Makrozoobenthos der Spree auf Durchflussverringerung in Trockenjahren (original title)/ Reaction of the macroinvertebrate fauna of the River Spree on discharge reduction in dry years. Annual Meeting of the German Society of Limnology, Constance, presentation, 2009.
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