@incollection{NixdorfMutzWiegleb, author = {Nixdorf, Brigitte and Mutz, Michael and Wiegleb, Gerhard}, title = {Die Bewertung von Tagebaugew{\"a}ssern und ihrer Entwicklung im Spiegel {\"o}kologischer und wasserwirtschaftlicher Rahmenbedingungen}, series = {Methoden der limnologischen Untersuchung und Bewertung von Stand- und Fließgew{\"a}ssern}, booktitle = {Methoden der limnologischen Untersuchung und Bewertung von Stand- und Fließgew{\"a}ssern}, editor = {Kapfer, Maria and Nixdorf, Brigitte}, publisher = {Eigenverlag der BTU}, address = {Cottbus}, pages = {65 -- 81}, language = {de} } @incollection{Mutz, author = {Mutz, Michael}, title = {Leitbilder und Bewertung f{\"u}r Fließ- und Standgew{\"a}sser in der technogenen Niederlausitzer Bergbaufolgelandschaft}, series = {Naturschutzfachliche Bewertung im Rahmen der Leitbildmethode}, booktitle = {Naturschutzfachliche Bewertung im Rahmen der Leitbildmethode}, editor = {Wiegleb, Gerhard and Schulz, Friederike and Br{\"o}ring, Udo}, publisher = {Physica-Verlag}, address = {Heidelberg}, isbn = {978-3-642-48431-5}, pages = {84 -- 97}, language = {de} } @inproceedings{Mutz, author = {Mutz, Michael}, title = {pH Wert 2,8 und Strukturg{\"u}te I - Leitbildentwicklung f{\"u}r Fließgew{\"a}sser der technogenen Niederlausitzer Bergbaufolgelandschaft}, series = {Deutsche Gesellschaft f{\"u}r Limnologie, Tagungsbericht 1997 (Frankfurt am Main)}, booktitle = {Deutsche Gesellschaft f{\"u}r Limnologie, Tagungsbericht 1997 (Frankfurt am Main)}, publisher = {Eigenverlag der DGL}, address = {Krefeld}, isbn = {3-9805678-1-8}, pages = {700 -- 704}, language = {de} } @phdthesis{Mutz, author = {Mutz, Michael}, title = {Holz in Sandb{\"a}chen des Tieflandes und dessen Auswirkungen auf die Gew{\"a}sserbettmorphologie, die Str{\"o}mung und die Retention feiner organischer Partikel}, address = {Cottbus}, language = {de} } @misc{MutzElosegiPiegay, author = {Mutz, Michael and Elosegi, Arturo and Pi{\´e}gay, Herv{\´e}}, title = {Preface: physical template and river ecosystem functioning: interdisciplinary feedbacks for improving rivers}, series = {Hydrobiologia}, volume = {712}, journal = {Hydrobiologia}, number = {1}, issn = {0018-8158}, doi = {10.1007/s10750-013-1507-8}, pages = {1 -- 4}, language = {en} } @misc{Mutz, author = {Mutz, Michael}, title = {Stream system restoration in a strip-mining region, eastern Germany: dimension, problems, and first steps}, series = {Aquatic Conservation: Marine and Freshwater Ecosystems}, volume = {8}, journal = {Aquatic Conservation: Marine and Freshwater Ecosystems}, number = {1}, issn = {1099-0755}, doi = {10.1002/(SICI)1099-0755(199801/02)8:1<159::AID-AQC273>3.0.CO;2-4}, pages = {159 -- 166}, language = {en} } @incollection{BrunkeMutzMarxsenetal., author = {Brunke, Matthias and Mutz, Michael and Marxsen, J{\"u}rgen and Schmidt, Christian and Schmidt, Susanne and Fleckenstein, Jan H.}, title = {Das hyporheische Interstitial von Fließgew{\"a}ssern : Strukturen, Prozesse und Funktionen}, series = {Grundwassergepr{\"a}gte Lebensr{\"a}ume : eine {\"U}bersicht {\"u}ber Grundwasser, Quellen, das hyporheische Interstitial und weitere grundwassergepr{\"a}gte Habitate}, booktitle = {Grundwassergepr{\"a}gte Lebensr{\"a}ume : eine {\"U}bersicht {\"u}ber Grundwasser, Quellen, das hyporheische Interstitial und weitere grundwassergepr{\"a}gte Habitate}, editor = {Brendelberger, Heinz and Martin, Peter and Brunke, Matthias and Hahn, Hans J{\"u}rgen}, publisher = {Schweizerbart}, address = {Stuttgart}, isbn = {978-3-510-53012-0}, pages = {133 -- 214}, language = {de} } @incollection{MutzSchmidtFleckenstein, author = {Mutz, Michael and Schmidt, Christian and Fleckenstein, Jan H.}, title = {Hydromorphologie des hyporheischen Interstitials}, series = {Grundwassergepr{\"a}gte Lebensr{\"a}ume : eine {\"U}bersicht {\"u}ber Grundwasser, Quellen, das hyporheische Interstitial und weitere grundwassergepr{\"a}gte Habitate}, booktitle = {Grundwassergepr{\"a}gte Lebensr{\"a}ume : eine {\"U}bersicht {\"u}ber Grundwasser, Quellen, das hyporheische Interstitial und weitere grundwassergepr{\"a}gte Habitate}, editor = {Brendelberger, Heinz and Martin, Peter and Brunke, Matthias and Hahn, Hans J{\"u}rgen}, publisher = {Schweizerbart}, address = {Stuttgart}, isbn = {978-3-510-53012-0}, pages = {139 -- 153}, language = {de} } @misc{MendozaLeraFederleinKnieetal., author = {Mendoza-Lera, Clara and Federlein, Laura L. and Knie, Matthias and Mutz, Michael}, title = {The algal lift: Buoyancy-mediated sediment transport}, series = {Water Resources Research}, volume = {52}, journal = {Water Resources Research}, number = {1}, issn = {1944-7973}, doi = {10.1002/2015WR017315}, pages = {108 -- 118}, language = {en} } @misc{RisseBuhlSchliefMutz, author = {Risse-Buhl, Ute and Schlief, Jeanette and Mutz, Michael}, title = {Phagotrophic protists are a key component of microbial communities processing leaf litter under contrasting oxic conditions}, series = {Freshwater Biology}, volume = {60}, journal = {Freshwater Biology}, number = {11}, issn = {1365-2427}, doi = {10.1111/fwb.12657}, pages = {2310 -- 2322}, language = {en} } @inproceedings{ScheidweilerMendozaLeraMutz, author = {Scheidweiler, David and Mendoza-Lera, Clara and Mutz, Michael}, title = {Coupling the "smart" tracer resazurin and respiration determination to assess streambed community response to leaf-litter burial}, series = {Erweiterte Zusammenfassungen der Jahrestagung der Deutschen Limnologischen Gesellschaft (DGL) in Magdeburg-Stendal 2014}, booktitle = {Erweiterte Zusammenfassungen der Jahrestagung der Deutschen Limnologischen Gesellschaft (DGL) in Magdeburg-Stendal 2014}, publisher = {Eigenverlag der DGL}, address = {Hardegsen}, isbn = {978-3-9813095-7-7}, pages = {243 -- 248}, language = {en} } @misc{AltenkirchZlatanovićWoodwardetal., author = {Altenkirch, Nora and Zlatanović, Sanja and Woodward, K. Benjamin and Trauth, Nico and Mutz, Michael and Molkenthin, Frank}, title = {Untangling hyporheic residence time distributions and whole stream" "metabolism using a hydrological process model}, series = {Procedia Engineering}, volume = {154}, journal = {Procedia Engineering}, issn = {1877-7058}, doi = {10.1016/j.proeng.2016.07.598}, pages = {1071 -- 1078}, abstract = {The interaction of the water residence time (RT) in hyporheic sediments with the sediment metabolic rates is believed to be a key factor controlling whole stream metabolism. However, due to the methodological difficulties, there is little data that investigates this fundamental theory of aquatic ecology. Here, we report on progress made to combine numerical modelling with a series of modification to laboratory flumes overcoming methodological difficulties e.g. by creating steady flow paths for assessment of metabolic rates. To model the biogeochemical performance and to validate the model results, sediment structures were introduced in both, the model and the flumes, leading to differing RT distributions. Furthermore, the DOC supply in the flumes was manipulated to test the whole stream metabolic response with regard to RT distributions. In the flumes, hydraulic conditions were assessed using conservative tracer and heat as tracer. Metabolic activity was assessed using oxygen dynamics as a proxy of community respiration (CR). Residence time and metabolic processes were modelled using a multicomponent reactive transport code called MIN3P and calibrated with regard to the hydraulic conditions using the results obtained from the flume experiments. Monod type expressions were used to implement metabolic activity terms in the model. Using the results of the hydrological process model, a sensitivity analysis of the impact of RT distributions on the metabolic activity could yield supporting proof of an existing link between the two.}, language = {en} } @inproceedings{AltenkirchMutzMolkenthinetal., author = {Altenkirch, Nora and Mutz, Michael and Molkenthin, Frank and Zlatanović, Sanja and Trauth, Nico}, title = {Untangling hyporheic residence time distributions and whole stream metabolisms using a hydrological process model}, series = {European Geosciences Union, General Assembly 2016, Vienna, Austria}, booktitle = {European Geosciences Union, General Assembly 2016, Vienna, Austria}, publisher = {European Geophysical Society}, address = {Katlenburg-Lindau}, abstract = {The interaction of the water residence time in hyporheic sediments with the sediment metabolic rates is believed to be a key factor controlling whole stream metabolism. However, due to the methodological difficulties, there is little data that investigates this fundamental theory of aquatic ecology. Here, we report on progress made to combine numerical modeling with a series of manipulation to laboratory flumes overcoming methodological difficulties. In these flumes, hydraulic conditions were assessed using non-reactive tracer and heat pulse sensor. Metabolic activity was measured as the consumption and production of oxygen and the turnover of reactive tracers. Residence time and metabolic processes were modeled using a multicomponent reactive transport code called Min3P and calibrated with regard to the hydraulic conditions using the results obtained from the flume experiments. The metabolic activity was implemented in the model via Monod type expressions e.g. for aerobic respiration rates. A number of sediment structures differing in residence time distributions were introduced in both, the model and the flumes, specifically to model the biogeochemical performance and to validate the model results. furthermore, the DOC supply and surface water flow velocity were altered to test the whole stream metabolic response. Using the results of the hydrological process model, a sensitivity analysis of the impact of residence time distributions on the metabolic activity could yield supporting proof of an existing link between the two.}, language = {en} } @misc{MendozaLeraFrossardKnieetal., author = {Mendoza-Lera, Clara and Frossard, Aline and Knie, Matthias and Federlein, Laura L. and Gessner, Mark O. and Mutz, Michael}, title = {Importance of advective mass transfer and sediment surface area for streambed microbial communities}, series = {Freshwater Biology}, volume = {62}, journal = {Freshwater Biology}, number = {1}, issn = {1365-2427}, doi = {10.1111/fwb.12856}, pages = {133 -- 145}, language = {en} } @misc{FabianZlatanovićMutzetal., author = {Fabian, Jenny and Zlatanović, Sanja and Mutz, Michael and Premke, Katrin}, title = {Fungal-bacterial dynamics and their contribution to terrigenous carbon turnover in relation to organic matter quality}, series = {The ISME Journal}, volume = {11}, journal = {The ISME Journal}, number = {2}, issn = {1751-7362}, doi = {10.1038/ismej.2016.131}, pages = {415 -- 425}, language = {en} } @misc{ZlatanovićFabianMendozaLeraetal., author = {Zlatanović, Sanja and Fabian, Jenny and Mendoza-Lera, Clara and Woodward, K. Benjamin and Premke, Katrin and Mutz, Michael}, title = {Periodic sediment shift in migrating ripples influences benthic microbial activity}, series = {Water Resources Research}, volume = {53}, journal = {Water Resources Research}, number = {6}, issn = {1944-7973}, doi = {10.1002/2017WR020656}, pages = {4741 -- 4755}, language = {en} } @misc{ZlatanovićFabianPremkeetal., author = {Zlatanović, Sanja and Fabian, Jenny and Premke, Katrin and Mutz, Michael}, title = {Shading and sediment structure effects on stream metabolism resistance and resilience to infrequent droughts}, series = {Science of The Total Environment}, journal = {Science of The Total Environment}, issn = {1879-1026}, doi = {10.1016/j.scitotenv.2017.10.105}, pages = {10}, language = {en} } @misc{DatrySingerSauquetetal., author = {Datry, Thibault and Singer, Gabriel and Sauquet, Eric and Mutz, Michael}, title = {Science and Management of Intermittent Rivers and Ephemeral Streams (SMIRES)}, series = {Research Ideas and Outcomes}, volume = {3}, journal = {Research Ideas and Outcomes}, issn = {2367-7163}, doi = {10.3897/rio.3.e21774}, pages = {23}, language = {en} } @inproceedings{ZlatanovićFabianPremkeetal., author = {Zlatanović, Sanja and Fabian, Jenny and Premke, Katrin and Mutz, Michael}, title = {What drives structural and functional resistance and resilience of sediment microbial community to supra-seasonal drought-shading and sediment structure as controlling factors?}, series = {Ergebnisse der Jahrestagung 2017 der Deutschen Gesellschaft f{\"u}r Limnologie (DGL) in Cottbus}, booktitle = {Ergebnisse der Jahrestagung 2017 der Deutschen Gesellschaft f{\"u}r Limnologie (DGL) in Cottbus}, publisher = {Eigenverlag der DGL}, address = {Hardegsen}, isbn = {978-3-9818302-2-4}, pages = {S. 528}, language = {en} } @inproceedings{OpreiZlatanovićMutz, author = {Oprei, Anna and Zlatanović, Sanja and Mutz, Michael}, title = {Grazing and drying intensity modulate drought resistance and recovery of shallow hyporheic respiration}, series = {Ergebnisse der Jahrestagung 2017 der Deutschen Gesellschaft f{\"u}r Limnologie (DGL) in Cottbus}, booktitle = {Ergebnisse der Jahrestagung 2017 der Deutschen Gesellschaft f{\"u}r Limnologie (DGL) in Cottbus}, publisher = {Eigenverlag der DGL}, address = {Hardegsen}, isbn = {978-3-9818302-2-4}, pages = {S. 355}, language = {en} } @misc{FabianZlatanovićMutz, author = {Fabian, Jenny and Zlatanović, Sanja and Mutz, Michael}, title = {Environmental Control on Microbial Turnover of Leaf Carbon in Streams - Ecological Function of Phototrophic-Heterotrophic Interactions}, series = {Frontiers in microbiology}, volume = {Volume 9}, journal = {Frontiers in microbiology}, issn = {1664-302X}, doi = {10.3389/fmicb.2018.01044}, pages = {16}, language = {en} } @misc{ArceMendozaLeraAlmagroetal., author = {Arce, Mar{\´i}a Isabel and Mendoza-Lera, Clara and Almagro, Maria and Mutz, Michael}, title = {A conceptual framework for understanding the biogeochemistry of dry riverbeds through the lens of soil science}, series = {Earth-Science Reviews}, volume = {188}, journal = {Earth-Science Reviews}, issn = {0012-8252}, doi = {10.1016/j.earscirev.2018.12.001}, pages = {441 -- 453}, language = {en} } @incollection{ElosegiFeldMutzetal., author = {Elosegi, Arturo and Feld, Christian K. and Mutz, Michael and Schiller, Daniel von}, title = {Multiple Stressors and Hydromorphological Degradation}, series = {Multiple Stressors in River Ecosystems}, booktitle = {Multiple Stressors in River Ecosystems}, editor = {Sabater, Sergi and Elosegi, Arturo and Ludwig, Ralf}, publisher = {Elsevier}, address = {Amsterdam}, isbn = {978-0-12-811800-9}, pages = {65 -- 79}, language = {en} } @misc{OpreiZlatanovićMutz, author = {Oprei, Anna and Zlatanović, Sanja and Mutz, Michael}, title = {Grazers superimpose humidity effect on stream biofilm resistance and resilience to dry-rewet stress}, series = {Science of The Total Environment}, volume = {659}, journal = {Science of The Total Environment}, issn = {0048-9697}, doi = {10.1016/j.scitotenv.2018.12.316}, pages = {841 -- 850}, language = {en} } @misc{OpreiSchreckingerKholiavkoetal., author = {Oprei, Anna and Schreckinger, Jos{\´e} and Kholiavko, Tatiana and Frossard, Aline and Mutz, Michael and Risse-Buhl, Ute}, title = {Functional and structural recovery of stream biofilms at the ha-bitat scale is based on the individual disturbance history}, series = {35. Jahrestagung der Deutschen Gesellschaft f{\"u}r Limnologie e.V. (DGL) und der Societas Internationalis Limnologiae (SIL) in M{\"u}nster, 23.-27. September 2019, Abstractband}, journal = {35. Jahrestagung der Deutschen Gesellschaft f{\"u}r Limnologie e.V. (DGL) und der Societas Internationalis Limnologiae (SIL) in M{\"u}nster, 23.-27. September 2019, Abstractband}, pages = {72 -- 73}, language = {en} } @misc{WonnerOpreiMutzetal., author = {Wonner, Tamara and Oprei, Anna and Mutz, Michael and Risse-Buhl, Ute}, title = {Is the epipsammic community modulated by trajectory of historic or current sediment shifting?}, series = {35. Jahrestagung der Deutschen Gesellschaft f{\"u}r Limnologie e.V. (DGL) und der Societas Internationalis Limnologiae (SIL) in M{\"u}nster, 23.-27. September 2019, Abstractband}, journal = {35. Jahrestagung der Deutschen Gesellschaft f{\"u}r Limnologie e.V. (DGL) und der Societas Internationalis Limnologiae (SIL) in M{\"u}nster, 23.-27. September 2019, Abstractband}, pages = {167 -- 168}, language = {en} } @misc{OpreiSchreckingerKholiavkoetal., author = {Oprei, Anna and Schreckinger, Jos{\´e} and Kholiavko, Tatiana and Mutz, Michael and Risse-Buhl, Ute}, title = {Variability of functional stream biofilm recovery at the habitat scale after disturbances from drying and sediment transport}, series = {11th Symposium for European Freshwater Sciences, June 30-July 5, 2019, Zagreb, Croatia, SEFS11 Abstract book}, journal = {11th Symposium for European Freshwater Sciences, June 30-July 5, 2019, Zagreb, Croatia, SEFS11 Abstract book}, pages = {338}, language = {en} } @misc{SchreckingerMutzMendozaLera, author = {Schreckinger, Jos{\´e} and Mutz, Michael and Mendoza-Lera, Clara}, title = {Same metabolic resilience, different onset -metabolic implications of a rare drying in temperate river sediment}, series = {11th Symposium for European Freshwater Sciences, June 30-July 5, 2019, Zagreb, Croatia, SEFS11 Abstract book}, journal = {11th Symposium for European Freshwater Sciences, June 30-July 5, 2019, Zagreb, Croatia, SEFS11 Abstract book}, pages = {271}, language = {en} } @misc{WeigelhoferSchillerMutz, author = {Weigelhofer, Gabriele and Schiller, Daniel von and Mutz, Michael}, title = {Effects of drought on the self-purification capacity of temperate headwater streams}, series = {11th Symposium for European Freshwater Sciences, June 30-July 5, 2019, Zagreb, Croatia, SEFS11 Abstract book}, journal = {11th Symposium for European Freshwater Sciences, June 30-July 5, 2019, Zagreb, Croatia, SEFS11 Abstract book}, pages = {273}, language = {en} } @misc{OpreiZlatanovićMutz, author = {Oprei, Anna and Zlatanović, Sanja and Mutz, Michael}, title = {When temperate streams fall dry: Humidity and trophic interactions control biofilm resilience}, series = {Ergebnisse der Jahrestagung 2019 in M{\"u}nster}, journal = {Ergebnisse der Jahrestagung 2019 in M{\"u}nster}, publisher = {Eigenverlag der DGL}, address = {Essen}, isbn = {978-3-9818302-4-8}, pages = {20 -- 31}, language = {en} } @misc{WonnerOpreiMutzetal., author = {Wonner, Tamara and Oprei, Anna and Mutz, Michael and Risse-Buhl, Ute}, title = {Is the epipsammic community modulated by trajectory of historic or current sediment shifting?}, series = {Ergebnisse der Jahrestagung 2019 in M{\"u}nster}, journal = {Ergebnisse der Jahrestagung 2019 in M{\"u}nster}, publisher = {Eigenverlag der DGL}, address = {Essen}, isbn = {978-3-9818302-4-8}, pages = {418}, language = {en} } @misc{ScheidweilerMendozaLeraMutzetal., author = {Scheidweiler, David and Mendoza-Lera, Clara and Mutz, Michael and Risse-Buhl, Ute}, title = {Overlooked Implication of Sediment Transport at Low Flow: Migrating Ripples Modulate Streambed Phototrophic and Heterotrophic Microbial Activity}, series = {Water Resources Research}, volume = {57}, journal = {Water Resources Research}, number = {3}, issn = {1944-7973}, doi = {10.1029/2020WR027988}, pages = {16}, language = {en} } @misc{SchreckingerMutzMendozaLeraetal., author = {Schreckinger, Jos{\´e} and Mutz, Michael and Mendoza-Lera, Clara and Frossard, Aline}, title = {Attributes of Drying Define the Structure and Functioning of Microbial Communities in Temperate Riverbed Sediment}, series = {Frontiers in Microbiology}, volume = {12}, journal = {Frontiers in Microbiology}, issn = {1664-302X}, doi = {10.3389/fmicb.2021.676615}, pages = {15}, language = {en} } @misc{SchreckingerMutzMendozaLera, author = {Schreckinger, Jos{\´e} and Mutz, Michael and Mendoza-Lera, Clara}, title = {When water returns: Drying history shapes respiration and nutrients release of intermittent river sediment}, series = {Science of The Total Environment}, volume = {838}, journal = {Science of The Total Environment}, number = {1}, issn = {1879-1026}, doi = {10.1016/j.scitotenv.2022.155950}, language = {en} } @misc{KryvokhyzhynaMajdiOpreietal., author = {Kryvokhyzhyna, Mariia and Majdi, Nabil and Oprei, Anna and Mutz, Michael and Risse-Buhl, Ute}, title = {Response of meiobenthos to migrating ripples in sandy lowland streams}, series = {Hydrobiologia}, volume = {849}, journal = {Hydrobiologia}, number = {8}, issn = {0018-8158}, doi = {10.1007/s10750-022-04836-6}, pages = {1905 -- 1921}, language = {en} } @misc{FranzmannSchreckingerOpreietal., author = {Franzmann, Insa and Schreckinger, Jos{\´e} and Oprei, Anna and Mutz, Michael}, title = {Mixed in - Sediment migration modulates the structural and functional colonisation of freshly incoming soil from bank erosion}, series = {Deutsche Gesellschaft f{\"u}r Limnologie e.V., Ergebnisse der Jahrestagung in Leipzig 2021}, journal = {Deutsche Gesellschaft f{\"u}r Limnologie e.V., Ergebnisse der Jahrestagung in Leipzig 2021}, publisher = {Eigenverlag der DGL}, address = {Essen}, isbn = {978-3-9818302-6-2}, pages = {94}, language = {en} } @misc{RisseBuhlOpreiMutz, author = {Risse-Buhl, Ute and Oprei, Anna and Mutz, Michael}, title = {Migrating streambeds - ecological and biogeochemical consequences of fine sediment transport}, series = {Deutsche Gesellschaft f{\"u}r Limnologie e.V., Ergebnisse der Jahrestagung in Leipzig 2021}, journal = {Deutsche Gesellschaft f{\"u}r Limnologie e.V., Ergebnisse der Jahrestagung in Leipzig 2021}, publisher = {Eigenverlag der DGL}, address = {Essen}, isbn = {978-3-9818302-6-2}, pages = {192}, language = {en} } @misc{SchreckingerMutzFranzmannetal., author = {Schreckinger, Jos{\´e} and Mutz, Michael and Franzmann, Insa and Risse-Buhl, Ute}, title = {Light or mechanics: What drives phototrophic and heterotrophic microbial activity in sandy sediments?}, series = {Deutsche Gesellschaft f{\"u}r Limnologie e.V., Ergebnisse der Jahrestagung in Leipzig 2021}, journal = {Deutsche Gesellschaft f{\"u}r Limnologie e.V., Ergebnisse der Jahrestagung in Leipzig 2021}, publisher = {Eigenverlag der DGL}, address = {Essen}, isbn = {978-3-9818302-6-2}, pages = {206}, language = {en} } @misc{RisseBuhlOpreiMutz, author = {Risse-Buhl, Ute and Oprei, Anna and Mutz, Michael}, title = {Streambed migration frequency drives ecology and biogeochemistry across spatial scales}, series = {WIREs Water}, volume = {10}, journal = {WIREs Water}, number = {3}, issn = {2049-1948}, doi = {10.1002/wat2.1632}, language = {en} } @misc{OpreiSchreckingerFranzmannetal., author = {Oprei, Anna and Schreckinger, Jose and Franzmann, Insa and Lee, Hayoung and Mutz, Michael and Risse-Buhl, Ute}, title = {Light over mechanics: microbial community structure and activity in simulated migrating bedforms are controlled by oscillating light rather than by mechanical forces}, series = {FEMS Microbiology Ecology}, volume = {100}, journal = {FEMS Microbiology Ecology}, number = {6}, issn = {0168-6496}, doi = {10.1093/femsec/fiae073}, pages = {15}, language = {en} } @misc{OpreiSchreckingerMutzetal., author = {Oprei, Anna and Schreckinger, Jos{\´e} and Mutz, Michael and Kamjunke, Norbert and Worrich, Anja and Risse-Buhl, Ute}, title = {Migrating ripples create streambed heterogeneity altering microbial diversity and metabolic activity}, series = {Limnology and Oceanography}, volume = {69}, journal = {Limnology and Oceanography}, number = {8}, issn = {1939-5590}, doi = {10.1002/lno.12631}, pages = {1882 -- 1899}, language = {en} } @misc{SchreckingerMutzGessneretal., author = {Schreckinger, Jos{\´e} and Mutz, Michael and Gessner, Mark O. and Gerull, Linda and Frossard, Aline}, title = {Fundamental shifts in soil and sediment microbial communities and functions during 10 year of early catchment succession}, series = {Soil Biology and Biochemistry}, volume = {203}, journal = {Soil Biology and Biochemistry}, publisher = {Elsevier BV}, address = {Amsterdam}, issn = {0038-0717}, doi = {10.1016/j.soilbio.2025.109713}, pages = {1 -- 11}, language = {en} } @misc{OpreiSchreckingerKholiavkoetal., author = {Oprei, Anna and Schreckinger, Jos{\´e} and Kholiavko, Tatiana and Frossard, Aline and Mutz, Michael and Risse-Buhl, Ute}, title = {Long-term functional recovery and associated microbial community structure after sediment drying and bedform migration}, series = {Frontiers in Ecology and Evolution}, volume = {Vol. 11}, journal = {Frontiers in Ecology and Evolution}, issn = {2296-701X}, doi = {10.3389/fevo.2023.1112519}, abstract = {Climate change and erosion from agricultural areas cause increased drying periods and bedform migration of riverbeds, respectively, worldwide. Both sediment drying and bedform migration can independently stress the microbial community residing in the riverbed. Here, we investigated the microbial response after exposure to these stressors with a focus on long-term recovery. We conducted an in situ experiment to investigate the long-term (8 months) functional and structural recovery of benthic microbial communities from either sediment drying (episodic severe stressor) or bedform migration (frequent moderate stressor). Stressed sediment associated communities were rewetted (dried sediments) and immobilized (migrated sediments) and exposed in the River Spree (north-eastern Germany) to initiate the recovery process. We then evaluated the microbial function (community respiration, net community production and extracellular enzymatic activities) as well as the bacterial, fungal and diatom community structure (16S rRNA gene and ITS region metabarcoding, and microscopic diatom morphotype classification). We observed different recovery times for community respiration (less than 7 days) and gross primary production (more than 5 months), implying a shift toward net heterotrophy in the first few months after stress exposure. Similarly, we observed a strong autotrophic community response (particularly associated with the diatoms Navicula and Fragilaria), especially in migrated sediments. The bacterial and fungal community response to sediment drying was stronger than to bedform migration (particularly associated with the bacterium Flavobacterium and the fungi Alternaria sp. and Aureobasidium pullulans). Our results show that sediment drying and bedform migration had a significant impact on the microbial community function and structure, which persisted for several months after the stress. Due to the surprising long period of recovery, successive stress events combined with seasonal effects will likely hamper the ongoing recovery process with severe alterations to the microbial function and structure. These findings extend the concept of ecosystem resilience and stability on the dimensions of timescale and seasonal environmental variations. Legacy effects are expected to play a key role when facing future stress.}, language = {en} } @misc{RisseBuhlHagedornDuemigetal., author = {Risse-Buhl, Ute and Hagedorn, Frank and D{\"u}mig, Alexander and Gessner, Mark O. and Schaaf, Wolfgang and Nii-Annang, Seth and Gerull, Linda and Mutz, Michael}, title = {Dynamics, chemical properties and bioavailability of DOC in an early successional catchment}, series = {Biogeosciences}, volume = {10}, journal = {Biogeosciences}, issn = {1726-4189}, doi = {doi:10.5194/bg-10-4751-2013}, pages = {4751 -- 4765}, language = {en} } @misc{RisseBuhlHagedornDuemigetal., author = {Risse-Buhl, Ute and Hagedorn, Frank and D{\"u}mig, Alexander and Gessner, Mark O. and Schaaf, Wolfgang and Nii-Annang, Seth and Gerull, Linda and Mutz, Michael}, title = {Dynamics, chemical properties and bioavailability of DOC in an early successional catchment}, series = {Biogeosciences Discussion}, volume = {10}, journal = {Biogeosciences Discussion}, number = {1}, issn = {1810-6285}, pages = {1011 -- 1049}, language = {en} } @misc{OpreiSchreckingerKholiavkoetal., author = {Oprei, Anna and Schreckinger, Jos{\´e} and Kholiavko, Tatiana and Frossard, Aline and Mutz, Michael}, title = {Functional and structural recovery of stream biofilms at the habitat scale is based on the individual disturbance history}, series = {Ergebnisse der Jahrestagung 2019 in M{\"u}nster}, journal = {Ergebnisse der Jahrestagung 2019 in M{\"u}nster}, publisher = {Eigenverlag der DGL}, address = {Essen}, isbn = {978-3-9818302-4-8}, pages = {216}, language = {en} } @inproceedings{RisseBuhlHagedornDuemigetal., author = {Risse-Buhl, Ute and Hagedorn, Frank and D{\"u}mig, Alexander and Gessner, Mark O. and Schaaf, Wolfgang and Nii-Annang, Seth and Gerull, Linda and Mutz, Michael}, title = {Dynamics, chemical properties and bioavailability of DOC in an early successional catchment}, series = {Gf{\"O} 43rd Annual Meeting, Building bridges in ecology, linking systems, scales and disciplines, September 9 to 13, 2013, Potsdam, Germany}, booktitle = {Gf{\"O} 43rd Annual Meeting, Building bridges in ecology, linking systems, scales and disciplines, September 9 to 13, 2013, Potsdam, Germany}, editor = {Jeltsch, Florian and Joshi, Jasmin}, publisher = {Gesellschaft f{\"u}r {\"O}kologie}, address = {Berlin}, pages = {S. 377}, abstract = {The dynamics of dissolved organic carbon (DOC) have been intensively studied in mature ecosystems, but little is known about DOC dynamics and the significance of DOC as a substrate for microbial activity in early-successional catchments. We determined the concentration, chemical composition, radiocarbon age, and bioavailability of DOC along the hydrological flow path from soil solution to a downstream pond in a recently constructed catchment (Chicken Creek Catchment, Germany). Soil solution, upwelling ground water, subsurface water in an alluvial fan, and pond water all had high DOC concentrations (averaged 6.0 - 11.6 mg DOC L-1), despite small carbon stocks in either vegetation or soil of the catchment. The mean 14C age of DOC in upwelling ground water was 2600 to 2800 years. Solid-state CPMAS 13C NMR revealed a higher proportion of aromatic compounds (32\%) and a lower proportion of carbohydrates (33\%) in upwelling ground water compared to pond water (18\% and 45\%, respectively). 14C age and 13C NMR spectra suggest that DOC was partly mobilized from charred organic matter inherent in the Quaternary substrate. In a 70-days incubation experiment, 20\% of the total DOC was found to be bioavailable, irrespective of the water type. Origin of the microbial communities within the catchment (enriched from soil, stream sediment or pond water) had only marginal effects on overall DOC utilization. Overall, our data suggest that both recent and old DOC support microbial activity during early ecosystem succession, although a large fraction of the DOC is recalcitrant and eventually exported from the catchment once it has been mobilized.}, language = {en} }