BTU overview
Faculty 2
Chair of Aquatic Ecology Prof. Dr. rer. nat. habil. Dominik Martin-Creuzburg

Completed projects

Phosphorus retention models for pH-neutral opencast lakes (DBU)

Funding: Deutsche Bundesstiftung Umwelt
Period: 10/2019 - 12/2022
Keywords: open pit lakes, iron, phosphorus, modeling
Researcher: B. Nixdorf, J. Rücker

Effects of desiccation on the self-purification capacity of headwater streams: Consequences for the stream management (Acronym PURIFY)
Site identification for net enclosures for fish production on selected mining lakes in Lusatia - part limnology

Site identification for net enclosures for fish production on selected mining lakes in Lusatia - part limnology

Funding: Institut für Binnenfischerei e.V. Potsdam-Sacrow (IfB)
Period: 2020 - 2021
Keywords : fish, trophic, open pit lakes,
Researcher: D. Leßmann

Study: Prognosis of the limnological development of the future opencast mining lake Garzweiler II

Funding: RWE Power Aktiengesellschaft
Period: 04/19 - 07/20
Keywords: morphometry of lake basins, aquatic ecology
Researcher: D. Leßmann

Study "Ecological potential of the Cottbus Baltic Sea - Part: Limnological development of the lake".

Funding: IWB Dr. Uhlmann & LEAG
Period: 07/17 - 01/21
Keywords: limnological development of lakes
Researcher: D. Leßmann

Monitoring of the macrozoobenthos of the Spree 2017 in the context of the planning approval procedure "Gewässerausbau Cottbuser See, Teil 1".

Funding: LEAG (Lausitz Energie Bergbau AG)
Period: 05/17 - 01/19
Keywords: macrozoobenthos
Researcher: D. Leßmann

Investigation of the erosion stability of sediments of the Spremberg Dam

Funding: IWB Dr. Uhlmann
Period: 10/18 - 03/19
Keywords: sediment, resuspension
Researcher: B. Grüneberg

Limnological monitoring - Great Kliestow Lake - for the City of Frankfurt (Oder)

Funding: City of Frankfurt (Oder)
Period: 07/18 - 12/18
Keywords: Lake monitoring
Researcher: B. Nixdorf, B. Grüneberg

AgriTip - Modelling the co-evolution of socio-economic and ecological systems in Agriculture to develop early warning systems for Tipping points (BMBF)

Funding: Federal Ministry of Education and Research
FKZ: 01LC1717A
Period: 06/17 - 05/18
Keywords: Land use, biodiversity loss, grassland, lakes,
Researcher: B. Nixdorf, J. Rücker
Head: Prof. Dr. Frank Wätzold (BTU, Chair of Environmental Economics)
Cooperation partners: Martin-Luther-University, Halle-Wittenberg, University of Göttingen, Helmholtz Centre for Environmental Research

"Further development of the assessment procedure with phytoplankton for acid mine drainage lakes and integration into the PhytoSee WFD procedure and assessment tool, testing and documentation of compliance with the European Intercalibration" (LAWA).

Project no. 0.1.15
Funding: LAWA, MLUV MVTime period: 02/15 - 02/18
Keywords: assessment, phytoplankton
Researcher: B. Nixdorf, D. Leßmann, J. Ramm
Collaboration partners: E. Hoehn, U. Riedmüller, U. Mischke

Transformation of organic carbon in the terrestrial-aquatic interface (DFG)

Funding: DFGTerm: 09/13 - 04/17
Keywords: Ephemeral streams, Priming, Desiccating & rewetting, Microbial metabolism
Researcher: Michael Mutz, Sanja Zlatanovic
Collaboration partner: K. Premke, IGB Berlin

Investigations on the oxygen uptake potential of sediments from water bodies with different loads of iron and organic substances / Project 07/13 TA 4-3 Pos. 2 (IWB)

Funding: Institute for Water and Soil Dr. Uhlmann
Period: 07/16 - 12/17
Keywords: sediments, water body remediation
Researcher: Dieter Leßmann

Investigations into measures and procedures for reducing mining-related pollution of surface waters in the Lusatia rehabilitation area (LMBV)

Funding: LMBV
Period: 09/13 - 12/17
Keywords : river restoration, constructed wetlands, ochre lakes
Researcher: Dieter Leßmann

Joint project NITROLIMIT II - Nitrogen limitation in inland waters - Is nitrogen reduction ecologically reasonable and economically justifiable? (BMBF)

ww.nitrolimit.de

Funding: Federal Ministry of Education and Research, FKZ 033W015ANZ
Time period: 05/14 - 10/16Key words: lakes, nitrogen, ecological and economic assessment, water quality
Researcher: B. Nixdorf, J. Rücker, B. Grüneberg, A. Dolman, J. Schlief, S. KolzauLeaders: B. Nixdorf, C. Wiedner
Collaboration partners: Leibniz Institute of Freshwater Ecology and Inland Fisheries Berlin, Technical University Berlin, Technical University Dresden, Kompetenzzentrum Wasser Berlin, Bundesanstalt für Gewässerkunde

Monitoring of the macrozoobenthos of the river Spree 2013/2015 within the planning approval procedure "Gewässerausbau Cottbuser See, Teil 1" (Vattenfall)

Funding: Vattenfall Europe Mining AG
Time period: 06/13 - 02/16
Keywords: river restoration, macrozoobenthos
Researcher: Dieter Leßmann
Cooperation partner: Gerstgraser, Ingenieurbüro für Renaturierung, Cottbus

Participation in the research project: "Test installation of guideline-compliant replacement structures in the Panke and verification of their effectiveness".

Funding: EU-EFRE, Senate Berlin
Time: 2012-2016
Keywords: urban flowing waters, renaturation, hydromorphogy, modeling
Researcher: M. Mutz
Cooperation partners: TU Berlin, Umweltbüro Essen, Landschaft planen + bauen, Ingenieurgesellschaft Prof. Dr. Sieker mbH, Schneider & Jorde Ecological Engineering GmbH

Expert opinion on the assessment of the current potential of lignite mining lakes in Germany (UBA)

Project no. 50777Client: UBATime period: 03/15 - 11/15key words: opencast mining lakesEditor: B. Nixdorf, J. Ramm, D. LeßmannCooperation partners: K. van de Weyer, lanaplan

Water management rehabilitation of the RL 122 open pit reservoir near Tröbitz; concept for scientific monitoring

Funding: Teichwirtschaft Hammermühle
Time period: 2009 -2015
Keywords: open pit lake, remediation
Researcher: D. Leßmann

Investigations on the resuspension stability of iron hydroxide sludges / Project 07/13 TA 4-3 Pos. 3 (IWB)

Funding: Institute for Water and Soil Dr. Uhlmann
Period: 07/16 - 11/16
Keywords: resuspension, water body remediation
Researcher: Björn Grüneberg

Joint project "Innovation Network Climate Adaptation Region Brandenburg/Berlin" (INKA-BB), SP 22: Sustainable management of glacial lakes of Brandenburg in climate change

Funding: German Federal Ministry of Education and Research, FKZ 01 LR 0803D
Term: 05/09 - 10/14
Keywords: lakes, climate change, database, cyanobacteria
Researcher: R. Deneke, B. Nixdorf, J. RückerHead: B. Nixdorf
Collaboration partners: IaG - Prof. O. Mietz, IGB - Dr. M. Pusch

Towards a better understanding of phagotrophic protists in leaf processing of freshwaters: Studies on micro-environment and food web structure

Funding: DFGTerm: 09/10 - 08/14
Keywords: lotic ecosystems, transformation of organic material under oxygen deficiency, protists, microflow, microbial food web
Researcher: Ute Risse-Buhl
Collaboration partners: H. Arndt, University of Cologne; G. Gleixner, MPI for Biogeochemistry Jena; M. O. Gessner, ETH Zurich

Towards a better understanding of bloom forming toxic cyanobacteria

Funding: Norwegian Institute for Water Research (NIVA)
Period: 07/08 - 12/13
Keywords: cyanobacteria, life cycle, toxins, shallow lakes
Researcher: J. Rücker, B. Nixdorf
Cooperation partners: Th. Rohrlack - NIVA, C. Wiedner - IGB

KMU-Innovativ joint project "Use of ultrasound to reduce and control cyanobacteria and phytoplankton in water bodies and technical water treatment processes", TP 2

Funding: German Federal Ministry of Education and Research, FKZ 02WQ1197
Time period: 05/11 - 04/14
Keywords: Cyanobacteria, Ultrasound
Researcher: B. Nixdorf, D. Leßmann
Collaboration partner: Büro Wassmann

Joint project NITROLIMIT - Nitrogen limitation in inland waters - Is nitrogen reduction ecologically meaningful and economically justifiable?

Funding: Federal Ministry of Education and Research, FKZ 033L041A
Time period: 09/10 - 12/13
Keywords: Lakes, nitrogen, ecological and economic assessment, water quality
Researcher: B. Nixdorf, J. Rücker, B. Grüneberg
Head: C. Wiedner
Collaboration partners: Leibniz Institute of Freshwater Ecology and Inland Fisheries Berlin, Technical University of Berlin, Technical University of Dresden, Kompetenzzentrum Wasser Berlin, Bundesanstalt für Gewässerkunde

Collaborative project: Life cycle of Nostocales - a specific dynamic component for the prediction of cyanobacterial blooms in lakes and backwaters, part 1 (German-Israeli water technology cooperation)

Funding: German Federal Ministry of Education and Research, FKZ 02WT0985
Time period: 04/08 - 08/12
Keywords: cyanobacteria, life cycle, toxins, stratified lakes
Researcher: J.Rücker, J. Ramm, B. Nixdorf
Head: B. Nixdorf
Collaboration partners: C. Wiedner - IGB Berlin, A. Sukenik - Israel Oceanographic & Limnological Research Ltd.

TP B5 - "Structural influences on C-transformations, C-accumulation and microorganisms during initial stream genesis" of the Collaborative Research Center / Transregio 38.

"Structures and processes of initial ecosystem development in an artificial watershed."

Funding: DFGTerm: 07/07 - 07/12
Keywords: C-transformations, C-accumulation, initial stream genesis
Researcher: M. Mutz, M. O. Gessner, L. Gerull, A. Frossard.

PHYTOLOSS - Zooplankton grazing as an additional parameter in the ecological assessment of phytoplanklton according to WFD.

Funding: LAWA, IGB Berlin
Time period: 08/09 - 03/11
Keywords: Zooplankton
Researcher: R. Deneke

Pilot project "Use of net enclosures on opencast lignite lakes to solve the set fish problem (K1-K2) in pond management using the example of residual hole 122 in Tröbitz".

Funding: Institute of Inland Fisheries Potsdam-Sacrow
Time period: 2010
Keywords: open pit lake
Researcher: D. Leßmann

Study "Development of simple phosphorus retention models for pH-neutral open pit lakes".

Funding: Institute of Inland Fisheries Potsdam-Sacrow
Time period: 2010
Keywords: open pit lake, phosphorus retention model
Researcher: B. Grüneberg

Aquashift - Shift in the syncronisation of leaf decay processes in fragmented streams

Funding: DFG
Time period: 11/04 -11/10
Keywords: streams, leaf decay processes, organic matter turnover
Researcher: M. Mutz, J. Schlief

Evolutionary potential of toxic nostocial cyanobacteria in the process of trophic reduction and global warming (NOSTOTOX).

Funding: German Federal Ministry of Education and Research, FKZ 0330792B
Time period: 05/07 - 04/10
Keywords: Cyanobacteria, life cycle, toxins, drinking water production
Researcher: J.Rücker, U. Abel, B. Nixdorf
Cooperation partners: Head: C. Wiedner - IGB, I. Chorus - UBA

Preparation of an expert report on the trophic development and the potential uses of the Hambach opencast mine lake

Funding: RWE Service GmbH
Time period: 2009
Keywords: open pit lake, trophic development
Researcher: D. Leßmann

Success control of the water development / renaturation measures at the Ruhlander Blackwater

Funding: Gewässerverband "Kleine Elster -Pulsnitz"
Period: 08/08 - 08/09
Keywords: Renaturation
Researcher: M. Seidel, M. Mutz

Concept for determining the ecological potential of acid mine drainage lakes.

Funding: Free State of Saxony, Saxon State Office for Environment and Geology
Time period: 11/07 - 12/08
Keywords: acidification, opencast lignite mining lakes, ecological potential
Researcher: D. Leßmann

Fine-tuning project on the German assessment procedure for phytoplankton in lakes for the implementation of the EU Water Framework Directive.

Funding: LAWA, IGB
Time period: 01/08 - 12/08
Keywords: Assessment procedure for phytoplankton, EU Water Framework Directive
Researcher: Project leader: U. Mischke, B. Nixdorf
Collaboration partners: IGB

Stratification modeling in open pit lakes considering geochemical processes as well as vertical transport and groundwater connection Subproject: Investigations on stratification development and complex stratification modeling in open pit lakes

Funding: DFG
Term: 01/06 - 12/08
Keywords: limnophysics, meromixis, geochemistry, groundwater
Researcher: D. Leßmann, S. Dietz
Collaboration partners:

  • Klaus Jöhnk, University of Amsterdam
  • Bertram Böhrer, UFZ Leipzig-Halle, Dep. of Lake Research
  • Kay Knöller, UFZ Leipzig-Halle, Dep. Isotope Hydrology
  • Johann Ilmberger; University of Heidelberg
Nationwide practical test of phytoplankton assessment in natural lakes for the implementation of the WFD

Funding: Ministry of the Environment Mecklenburg-Vorpommern
Time period: 04/05 - 06/07
Keywords: practical test, phytoplankton, WFD
Researcher: B. Nixdorf

Lakepromo - Tools for water management and restoration processes (Teilprojekt 9 - Deutschland)

Funding: EU Project - INTERREG IIIC 3N00531
Term: 11/04 - 12/07
Keywords: climate change, water management, restoration, EU-water framework directive
Researcher: B. Nixdorf, R. Hämmerling
Cooperation partner: Savonia Polytechnic (Finland)

Microcystin-producing genotypes in cyanobacterial populations: Their occurrence, regulatory mechanisms of their dynamics and their influence on the variability of microcystin concentration.

Funding: BMBF
Time period: 05/2004 - 04/2007
Keywords: microcystin, cyanobacteria
Researcher: A. Launhardt, B. Nixdorf
Collaboration partners: IGB, Dr. Claudia Wiedner

Cylindrospermopsis raciborskii and cylindrospermopsin in waters of the Berlin region - occurrence, causes, effects (CYLIN).

http://www.kompetenz-wasser.de/CYLIN.125.0.html

Funding:Kompetenzzentrum Wasser Berlin gGmbH (KWB)
Period: 02/04 - 02/07Keywords: cyanobacteria, toxins, drinking water production, screening, monitoring
Researcher: J. Rücker, U. Abel, B. Nixdorf
Cooperation partners:

  • Head: Dr. Claudia Wiedner, IGB
  • Dr. Ingrid Chorus, UBA
"Recording and prediction of water quality in open pit lakes in Lusatia as a basis for their sustainable control and use (Head: Prof. Grünewald)".

Funding: Lausitzer und Mitteldeutschen Bergbau-Verwaltungsgesellschaft mbH (LMBV)
Period: 07/1995 - 12/2005
Keywords: monitoring of acidic open pit lakes, acidification, eutrophication prognosis, water quality development
Researcher: Dr. D. Leßmann
Description: A comprehensive survey of the water quality development and the limnology of open pit lakes in Saxony and Brandenburg is planned.

"Leitbildbezogenes Bewertungsverfahren für Phytoplankton in Seen Deutschlands" (Head: Prof. Nixdorf), R+E project.

Funding: Länder Arbeitsgemeinschaft Wasser (LAWA)
Period: 01/04 - 06/05
Keywords: EU Water Framework Directive, Leitbild, lakes, phytoplankton
Researcher: U. Mischke, E. Hoehn, U. Riedmüller, J.Rücker, B. Nixdorf

Preparation of an expert opinion on the development of water quality and resulting limnological properties of a residual lake in the open pit mine Inden II

Funding: District Government of Cologne
Time period: 07/2004 - 02/2005
Keywords: open pit lake, water quality development
Researcher: B. Nixdorf
Project partners: Dr. E. Bäuerle, IWB - Dr. Uhlmann

Bathymetric survey and recording of sediments in the Quitzdorf reservoir Bathymetric survey of the Friedersdorf sub-basin of the Lohsa I reservoir

Funding: Landestalsperrenverwaltung des Landes Sachsen
Time period: 02/2003 - 11/2004
Keywords: dams, bathymetric survey
Researcher: D. Leßmann
Collaboration partner: H. Hofmann - University of Konstanz

Preparation of a study "Basic principles for a set of instruments for the planning and management of reservoirs in the Veneto region, taking into account experience gained in the Lusatian open-cast mining region".

Funding: Internationale Bauaustellung Fürst-Pückler-Land GmbH
Time period: 03/2004 - 08/2004
Keywords: open pit lakes, water quality development
Researcher: D. Leßmann
Collaboration partner: I. Haselhuhn

"Ecological and socio-economic development of disturbed cultural landscapes - case study Niederlausitzer Bergbaufolgelandschaft", Collaborative Research Center (SFB) 565.

Funding: The German Research Foundation (DFG)
Period: 01/2001 - 06/2004
Keywords: post-mining landscape, recultivation, restructuring, see subprojects A4, A5, B3 and C5
Description: Can a sustainable development on a regional scale be designed starting from a large-scale anthropogenic intervention (lignite mining) in a cultural landscape?

  • Description and explanation of the ecological and socio-economic development of strongly altered cultural landscapes.
  • Elaboration of development types and development of transferable process models
  • Deriving options for action for the development of the (disturbed) landscape
  • Testing the options for action summarized in scenarios in simulation games

Further information on SFB 565 Subprojects of the chair:

  • SubprojectA4: "Benthic matter accumulation and nutrient remobilization in geogenically acidified lakes".
  • SubprojectA5: "Input and retention of particulate organic matter in streams disturbed by mining".
  • Subproject B3: "Primary succession in open pit lakes as a function of temporally variable resource concentration under disturbed, extremely acidic and variable hydrological and chemical conditions (neutralization)"
  • Subproject C5: "Biocenotic and material water classification (sectoral model water bodies)".
"Establishing the basis for biogenic alkalinity production and neutralization through controlled eutrophication and saprobization of acidic open pit waters as an alternative and supplement to extraneous flooding."

Central project TP 1; TP 2.2 "Primary production"; TP 5 "Food web"; TP 6 "Flowing waters" - FKZ 0339746

Funding: BMBF / LMBV
Time period: 04/2000 - 09/2003
Keywords: biogenic alkalinization, neutralization, controlled eutrophication, saprobization, post-mining landscape, open pit lakes
Researcher: Prof. B. Nixdorf, Dr. rer. nat. R. Deneke, Dr. rer. nat. A. Fyson, Dr. rer. nat. C. Beulker, Dr. rer. nat. K. Wollmann, Dr. rer. nat. Mutz, Dipl.-Biol. J. Schlief
Collaboration partners:UFZ Magdeburg, IGB Berlin, IWB Dresden, BUNW Dresden, University of Potsdam.

"Documentation of the condition and development of Germany's most important lakes" (FKZ 299 24 274) (Head: Prof. Nixdorf).

Funding: Federal Environmental Agency (UBA Berlin)
Period: 01/00 - 02/03
Keywords: Natural lakes, catchment area, morphometry and mixis, water quality, use and remediation, database
Researcher: Dipl.-Ing. M. Hemm, Dipl.-Biol. A. Hoffmann, Dipl.-Ing. Peggy Richter
Description: The aim of this project is to provide a comprehensive documentation of the status of the most important natural lakes in Germany according to uniform criteria.

Project Network "Investigations on the Development of the Water Quality of the Spree River" Subproject 2.2: "Mass Transfer in the Sediments of the Spree River and the Standing Waters Flowing Through" (FKZ 02WB9972/7) (Head: Dr. Kleeberg)

Funding: BMBF
Time period: 08/99 - 07/02
Keywords: sediment early diagenesis, water quality, phosphorus, iron
Researcher: Dipl.-Hydr. M. Heidenreich

Project network "Investigations on the water quality development of the Spree" Subproject 5.2: "Internal material conversion in open pit lakes of the Lausitz and its influence on the long-term development of the water quality in the middle Spree".

FKZ 02WB9970/1 - Head: Prof. Nixdorf

Funding: BMBF
Time period: 08/99 - 07/02
Keywords: open pit lake, flooding, reservoir management, primary production, photosynthesis, nitrification
Researcher: Dipl.-Ing. R. Ender
Description: complex analysis of the water quality development and investigation of the biogenically controlled material turnover processes (e.g. primary production, nitrification) in open pit lakes with reservoir management and influence on the river Spree

"Leitbildbezogenes Bewertungsverfahren für Phytoplankton in Seen und Fließgewässern" (Head: Prof. Nixdorf), R+E project.

Funding: DVWK (Deut. Verband für Wasserwirtschaft und Kulturbau e. V.), LAWA
Time period: 07/00 - 12/02
Keywords: EU-Water Framework Directive, Leitbild, Phytoplankton
Researcher: E. Hoehn, U. Riedmüller, B. Nixdorf, U. Mischke

"Investigation of model biocoenoses and determination of a reference status for phytoplankton in surface waters of Brandenburg in the context of the implementation of the EU Water Framework Directive" (Head: Prof. Nixdorf).

Funding: MLUR des Landes Brandenburg
Time period: 11/00 - 11/02
Keywords: EU-Water Framework Directive, Leitbild, shallow waters, paleolimnology
Researcher: U. Mischke, A. Hoffmann, J.Rücker, B.Nixdorf

"Monitoring of renaturation measures on small streams of the lowlands" (Head: Dr. Mutz).

Funding: LUA Brandenburg, Wasser- und Bodenverband Obere Spree
Time period: 11/99 - 12/01
Keywords: renaturation, channel morphology, macrozoobenthos, structural quality
Researcher: J. Steudtner
Description: monitoring of the self-development of the channel morphology and colonization with macrozoobenthos

"Development of a catchment-related structure and measures concept for the revitalization of the Cybina lake network (Poland)" (Subproject leader: Prof. Nixdorf).

Funding: DBU
Time period: 04/00 - 10/01
Keywords: remediation, restoration, catchment management
Researcher: Dipl. Ing. R. Hämmerling
Description: Localization and quantification of the external nutrient load in the Cybina catchment and derivation of remediation measures.

"Ecology and and toxin production of the neophyte Cylindrospermopsis raciborskii (Cyanobacteria) in Germany." (Head: Prof. Nixdorf)

Funding: DFG
Term: 07/99 - 06/01
Keywords: Cyanobacteria, Cylindrospermopsis spec., toxin production
Researcher: Dr. U. Mischke
Description: The distribution, aut ecology and toxicity of this blue-green algae species, which has only rarely been detected so far, will be investigated.

"The significance of substance inputs from the catchment area and through extraneous water flooding of an open pit reservoir for sediment-related biogeochemical turnover processes" (Head: Prof. Nixdorf).

Funding: DFG
Term: 07/99 - 01/01
Keywords: post-mining landscape, open pit lakes, sediment/water contact zone, catchment area
Researcher: Dipl.-Biol. M. Kapfer, R. Ender, Dr. Fyson
Description: Lake-internal material turnover processes at the sediment-water contact zone are investigated as a basis for the limnological development potential of open pit lakes.

"Ecological water assessment" (I), (preparation of a literature study on existing classification methods based on phytoplankton in lakes) (Head: Prof. Nixdorf), R+D project.

Funding: DVWK (Deut. Verband für Wasserwirtschaft und Kulturbau e. V.), LAWA
Time period: 09/99 - 12/00
Keywords: EU Water Framework Directive, biological quality elements, phytoplankton
Researcher: K. Knopp, E. Hoehn, B. Nixdorf, U. Mischke

"Ecological water assessment" (II), (preparation of a literature study on existing classification methods based on phytoplankton in lakes) (Head: Prof. Nixdorf), R+D project.

Funding: DVWK (Deut. Verband für Wasserwirtschaft und Kulturbau e. V.), LAWA
Time period: 04/00 - 12/00
Keywords: EU Water Framework Directive, biological quality elements, phytoplankton
Researcher: K. Knopp, E. Hoehn, B. Nixdorf, U. Mischke

"Current state of knowledge on water management issues of residual open pit mines" (Head: Prof. Nixdorf).

Funding: Federal Environmental Agency (Berlin)
Period: 09/98 - 12/00
Keywords: opencast lakes, water quantity and quality, database
Researcher: Dipl.-Ing. M. Hemm
Description: This project is to provide a comprehensive documentation of the condition of the most important opencast lakes in Germany according to uniform criteria.

"Morphological reference states for streams of Brandenburg" (Head: Dr. Mutz).

Funding: MUNR
Time period: 1999
Keywords: reference condition, flowing waters, morphology, vegetation
Researcher: Dipl.-Biol. J. Schlief
Description: Compilation of a catalog on morphological reference conditions.

"Morphological renaturation of the Demnitzer Mühlenfließ, Fürstenwalde (Spree)" (Director: Dr. Mutz).

Funding: Wasser- und Bodenverband "Untere Spree"
Period: 1999
Keywords: Natural channel morphology, use of deadwood, bed elevation
Researcher: Dr. M. Mutz, Dipl.-Ing. I. Kosel
Description: Planning variants for morphological restoration

"Rehabilitation and Restoration Project Jabeler See (Mecklenburg-Western Pomerania)" (Head: Prof. Nixdorf).

Funding: Ministerium f. Bau, Landesentwicklung und Umwelt des Landes Mecklenburg-Vorpommern
Time period: 02/98 - 12/99
Keywords: internal and external P pollution, remediation, restoration
Researcher: Dipl.-Ing. R. Hämmerling, Dr. A. Kleeberg
Description: In this project the external and internal phosphorus pollution of this highly polluted lake is quantified as a basis for a lake therapy.

"Ecological development potential of post-mining landscapes in the Lusatian lignite mining area - primary succession and material conversion processes in extremely geogenically acidic open pit lakes" (Head: Prof. Hüttl), "BTU-Innovationskolleg".

Funding: DFGTerm: 07/94 - 06/99
Keywords: acidification, interfaces, sediment/open water, chemism, microstructures
Researcher: B. Bartenbach, C. Wiedner, M. Kapfer
Description: The chemistry of solute transformations at the sediment/open water interface of groundwater entering open pit lakes is quantified. The results are used to investigate settlement mechanisms in open pit lakes.

"Morphological Leitbilder for Small Streams in Brandenburg" (Head: Dr. Mutz).

Funding: MUNR and LUA Brandenburg
Time period: 08/97 - 12/98
Keywords: reference section, GIS, lowlands, ecological assessment, structural parameters, closeness to nature
Researcher: Dr. C. Orendt, Dr. M. Mutz
Description: For the description of close-to-nature reference conditions for the assessment of small streams, 20-30 largely near-natural stream sections are recorded and morphologically characterized.

"Development of guiding principles and action concepts for the responsible design and sustainable development of their near-natural areas" (Head: Prof. Wiegleb, subproject leader limnology: Prof. Nixdorf)

Project network: "Lower Lusatian post-mining landscape

Funding: BMBF
Time period: 01/95 - 06/98
Keywords: plankton colonization, food web relationships, primary production, phytobenthos, photoautotrophy, acidic lakes, HPLC pigment analysis, flowing waters, morphology, GIS
Researcher: K. Wollmann, H. Krumbeck, M. Kapfer, Dr. J. Rücker, A. E. Liepelt, Dr. M. Mutz
Description: A comprehensive analysis and assessment of the limnological status of standing and flowing waters in near-natural areas of post-mining landscapes was carried out (settlement structures and metabolic mechanisms, derivation of guiding principles). (4 sub-topics: 3.4, 3.6, 3.7 and 3.9)

"Restoration of Lake Jabel" (Director: Prof. Nixdorf)

Funding: Ministry of Construction, State Development and Environment of the State of Mecklenburg-Vorpommern
Period: 07/96 - 02/98
Keywords: Internal and external phosphorus load, remediation, restoration
Researcher: Dr. A. Kleeberg, Prof. B. Nixdorf
Description: In this project basic principles for the remediation and restoration of this highly polluted lake in Mecklenburg were developed. External and internal P-loads were quantified.

"Distribution of toxic and non-toxic cyanobacteria and the regulation of their development."

Funding: German Federal Ministry of Education and Research
Period: 1995 - 1997
Keywords: cyanobacteria, toxins, ecology, plankton suksession, control
Researcher: C. Wiedner

"Ecological usability of waste products for the remediation of geogenically acidified residual opencast mine waters and prediction of the eutrophication potential of the substrates used in the process of neutralization."

Funding: VW Foundation
Period: 11/1994 - 10/1996
Keywords: limnology, open pit lakes, eutrophication, remediation, deacidification
Researcher: Prof. B. Nixdorf, Prof.Dr. R.Koch, R. Schöpke, K. Wollmann, R. Ender, G. Schmaland

"Guideline development for small and medium-sized flowing waters in Brandenburg".

Funding: Ministry of the Environment, Nature Conservation and Regional Planning Brandenburg (MUNR)
Period: 1994 - 1995
Keywords: Channel morpholopgy, stream morphology, 'LAWA structural quality mapping'
Researcher: Dr. M. Mutz, M. Pusch
Description: Test of the LAWA-method for assessment and evaluation of the physical quality of small and medium sized streams in lowland areas

"Design and Implementation of a GIS-based Water Management Information System".

Funding: Ministry of the Environment of Baden-Wuerttemberg
Time period: 1994
Keywords: Geoinformation system, Baden-Wuerttemberg, GIS 
Researcher: Dr. M. Mutz
Description: GIS (Arc/View) based information system for the lower water agencies of the Federal State of Baden-Wuerttemberg