@misc{SchaafGerwinHuettl, author = {Schaaf, Wolfgang and Gerwin, Werner and H{\"u}ttl, Reinhard F.}, title = {15 years of ecosystem development at Chicken Creek catchment: conceptual framework, surprises and conclusions}, series = {Geophysical Research Abstracts}, volume = {21}, journal = {Geophysical Research Abstracts}, pages = {1}, abstract = {After completion of the construction in 2005 (Gerwin et al. 2009), a major challenge was to develop and install a cross-disciplinary long-term monitoring program for the 6 ha area to record major environmental parameters adapted to the development of the site (Schaaf et al. 2013). During its first 15 years, Chicken Creek showed a very dynamic development (Elmer et al 2013). Whereas the abiotic geosystem of the first 2-3 years was characterized by heavy erosion and sediment transport, primary succession by invading vegetation and the unexpected formation of soil crusts within few years resulted in more biotic-abiotic feedbacks that controlled catchment hydrology. Our observations over a period of 15 years indicate that even minor variations in initial substrate characteristics (e.g. texture) can have lasting impacts on geomorphical, hydrological and biological development like erosion intensity, groundwater levels or establishment of vegetation patterns. The time-series of monitoring data combined with a structure model of the catchment (Gerke et al. 2013) allowed the closure of the water balance by relatively simple calculations of water storage volumes and the estimation of evapotranspiration (Schaaf et al. 2017). From these data three stages of ecosystem development were derived which are characterized by increasing influence of biota and increasing system complexity.}, language = {en} } @inproceedings{SchaafGerwinBadorreck, author = {Schaaf, Wolfgang and Gerwin, Werner and Badorreck, Annika}, title = {Adaptation strategies to monitor the catchment dynamics at 'Chicken Creek'}, series = {European Geosciences Union General Assembly 2017 Vienna, Austria, 23-28 April 2017}, booktitle = {European Geosciences Union General Assembly 2017 Vienna, Austria, 23-28 April 2017}, publisher = {European Geophysical Society}, address = {Katlenburg-Lindau}, abstract = {The Chicken Creek catchment was constructed in 2005 to study ecosystem development of an initial ecosystem at the landscape scale. The site has an area of 6 ha with defined boundary conditions and known inner structures. Since more than 10 years, we are monitoring the unrestricted development of different system compartments. The fast development, the formation of patterns and increasing heterogeneity were challenges for the monitoring program. Starting with a regular 20 x 20 m grid in the initially homogeneous system, monitoring installations were continuously complemented by more pattern and patch oriented measurements in order to catch up with both the spatial and temporal dynamics of the catchment. The monitoring program includes both high-resolution temporal recordings (e.g. groundwater levels, discharge, meteorological data, soil moisture), spatial sampling campaigns (e.g. soil properties) and annual vegetation surveys. In addition, we use drone images to document the site development. The presentation describes the monitoring approach and adaptation with examples from vegetation, soil and hydrological data at different spatial and temporal scales.}, language = {en} } @inproceedings{GerwinSchaafVesteetal., author = {Gerwin, Werner and Schaaf, Wolfgang and Veste, Maik and H{\"u}ttl, Reinhard F.}, title = {The artificial catchment 'Chicken Creek' ('H{\"u}hnerwasser') as a tool for understanding the interactions of processes and structures of initial ecosystem development}, series = {6th International Symposium on Ecosystem Behaviour BIOGEOMON 2009}, booktitle = {6th International Symposium on Ecosystem Behaviour BIOGEOMON 2009}, editor = {Ukonmaanaho, Liisa and Nieminen, Tiina Maileena and Starr, Michael}, publisher = {Finnish Forest Research Institute}, address = {Vantaa, Finland}, isbn = {978-951-40-2177-0}, pages = {S. 332}, language = {en} } @inproceedings{Schaaf, author = {Schaaf, Wolfgang}, title = {An ecosystem approach to evaluate restoration measures in the lignite mining district of Lusatia/Germany}, series = {European Geosciences Union, General Assembly 2015, Vienna, Austria, 13 April - 17 May 2015}, booktitle = {European Geosciences Union, General Assembly 2015, Vienna, Austria, 13 April - 17 May 2015}, publisher = {European Geophysical Society}, address = {Katlenburg-Lindau}, language = {en} } @inproceedings{SchaafGerwinKoegelKnabneretal., author = {Schaaf, Wolfgang and Gerwin, Werner and K{\"o}gel-Knabner, Ingrid and Gerke, Horst H. and Schulin, Rainer and Schloter, Michael and H{\"u}ttl, Reinhard F.}, title = {Point zero: the missing link in initial soil formation concepts}, series = {EGU General Assembly 2009, Vienna, Austria, 19 - 24 April 2009}, booktitle = {EGU General Assembly 2009, Vienna, Austria, 19 - 24 April 2009}, publisher = {European Geophysical Society}, address = {Katlenburg-Lindau}, language = {en} } @inproceedings{ZimmermannDuemigSchaafetal., author = {Zimmermann, Claudia and D{\"u}mig, Alexander and Schaaf, Wolfgang and K{\"o}gel-Knabner, Ingrid}, title = {Heterogeneity of chemical and physical soil properties of an artificial catchment during initial soil formation}, series = {EGU General Assembly 2009, Vienna, Austria, 19 - 24 April 2009}, booktitle = {EGU General Assembly 2009, Vienna, Austria, 19 - 24 April 2009}, publisher = {European Geophysical Society}, address = {Katlenburg-Lindau}, language = {en} } @inproceedings{ZimmermannSchaaf, author = {Zimmermann, Claudia and Schaaf, Wolfgang}, title = {Characterization of interactions between solid and liquid phase in the initial ecosystem development}, series = {Structures and processes of the initial ecosystem development, 1st International Conference assoc. with 4th Meeting of Young Researchers in Earth Sciences (MYRES), 20-24 Sept. 2010, Cottbus, Germany}, booktitle = {Structures and processes of the initial ecosystem development, 1st International Conference assoc. with 4th Meeting of Young Researchers in Earth Sciences (MYRES), 20-24 Sept. 2010, Cottbus, Germany}, publisher = {BTU}, address = {Cottbus}, pages = {S. 145}, language = {en} } @incollection{SchaafHagedornZoennchenetal., author = {Schaaf, Wolfgang and Hagedorn, Frank and Z{\"o}nnchen, Claudia and G{\"u}lland, Kathi}, title = {Project A2 - Interactions between soil solution and mineral surfaces: significance for initial element cycling}, series = {Structures and processes of the initial ecosystem development phase in an artificial water catchment (Final report CRC/TR 38)}, booktitle = {Structures and processes of the initial ecosystem development phase in an artificial water catchment (Final report CRC/TR 38)}, editor = {H{\"u}ttl, Reinhard F. and K{\"o}gel-Knabner, Ingrid and Schulin, Rainer and Gerwin, Werner}, publisher = {BTU, Forschungszentrum Landschaftsentwicklung und Bergbaulandschaften (FZLB)}, address = {Cottbus}, pages = {11 -- 24}, language = {en} } @incollection{Schaaf, author = {Schaaf, Wolfgang}, title = {Soil solution composition and element cycling as indicators of ecosystem development along a chronosequence of post-lignite mining sites in Lusatia/Germany}, language = {en} } @inproceedings{GerkeSchaafHuettl, author = {Gerke, Horst H. and Schaaf, Wolfgang and H{\"u}ttl, Reinhard F.}, title = {Effects of local soil chemical and hydraulic nonequilibria on element budgets of disturbed sites}, abstract = {Verlagsort: Bangkok/Thailand}, language = {en} } @article{SchaafHuettl, author = {Schaaf, Wolfgang and H{\"u}ttl, Reinhard F.}, title = {Soil chemistry and tree nutrition of post-lignite-mining sites}, language = {en} } @incollection{EineckeGerkeSchaafetal., author = {Einecke, Markus and Gerke, Horst H. and Schaaf, Wolfgang and H{\"u}ttl, Reinhard F.}, title = {Spatial structures and distribution of soil hydraulic properties of a lignitic mine soil}, series = {Water and organic matter in anthropogenic soils, dynamics and processes, Berlin 2 - 4 April, 2003}, booktitle = {Water and organic matter in anthropogenic soils, dynamics and processes, Berlin 2 - 4 April, 2003}, publisher = {Technical University for Water in Urban Areas}, address = {Berlin}, pages = {S. 54}, language = {en} } @inproceedings{Schaaf, author = {Schaaf, Wolfgang}, title = {Development of soil chemistry and element cycles at afforested post-mining sites.}, abstract = {Verlagsort: Bangkok/Thailand}, language = {en} } @incollection{BiemeltSchaafNenov, author = {Biemelt, Detlef and Schaaf, Wolfgang and Nenov, Rossen}, title = {Water budget components}, series = {The artificial catchment Chicken Creek - initial ecosystem development 2005-2010}, booktitle = {The artificial catchment Chicken Creek - initial ecosystem development 2005-2010}, editor = {Elmer, Michael and Schaaf, Wolfgang and Biemelt, Detlef and Gerwin, Werner and H{\"u}ttl, Reinhard F.}, publisher = {FZLB}, address = {Cottbus}, pages = {33 -- 54}, language = {en} } @article{WildenSchaafHuettl, author = {Wilden, R. and Schaaf, Wolfgang and H{\"u}ttl, Reinhard F.}, title = {Element budget of two afforested mine sites after application of fertilizer and organic residues}, language = {en} } @inproceedings{Schaaf, author = {Schaaf, Wolfgang}, title = {Element fluxes in mine soils at different scales.}, language = {en} } @misc{PohlSchaafGerwin, author = {Pohl, Lydia and Schaaf, Wolfgang and Gerwin, Werner}, title = {Eisenhydroxidschl{\"a}mme und Tone als m{\"o}gliche Bestandteile neuartiger Bodenhilfsstoffe}, series = {Jahrestagung der DBG 2022 "Grenzen {\"u}berwinden, Skalen {\"u}berschreiten" 5. - 8. September 2022 in Trier}, journal = {Jahrestagung der DBG 2022 "Grenzen {\"u}berwinden, Skalen {\"u}berschreiten" 5. - 8. September 2022 in Trier}, pages = {39}, abstract = {Die Lausitz z{\"a}hlt schon heute zu einer der niederschlag{\"a}rmsten Regionen in Deutschland. Durch den Klimawandel wird diese Situation noch weiter verst{\"a}rkt und die Wahrscheinlichkeit von extremen Trockenperioden w{\"a}hrend der Hauptvegetationsphase wird zunehmen. Einer der zentralen bodenkundlichen Herausforderungen wird es somit sein, die geringe Wasserhaltekapazit{\"a}t der vor allem sandigen B{\"o}den der Region zu steigern. In dem Verbundvorhaben StabilOrg wird daher die Entwicklung neuartiger Bodenhilfsstoffe auf der Basis regional in der Lausitz verf{\"u}gbarer Ressourcen untersucht. Durch die Tagebauaktivit{\"a}ten in der Region fallen große Mengen an Eisenhydroxidschl{\"a}mmen (EHS) an. Hierbei lassen sich 3 Herkunftsschwerpunkte definieren: I) nat{\"u}rliche Eisenhydroxidsedimente aus Fließen, II) EHS aus Grubenwasserbehandlungsanlagen, die durch Kalkung gef{\"a}llt wurden und III) EHS aus Trinkwassergewinnungsst{\"a}tten, die gekalkt und zus{\"a}tzlich durch chemische Flockungsmittel behandelt wurden. Diese sollen mit verschiedenen Tonen und Lehmen als weitere anorganische Komponenten, sowie mit organischem Material (Kompost) gemischt werden. Ziel ist die Herstellung von anorganisch-organische Mischsubstraten, die die bodenphysikalischen Eigenschaften positiv beeinflussen. Erste Untersuchungsergebnisse zeigen, dass sich die untersuchten EHS je nach Behandlung in ihrer mineralogischen Zusammensetzung, sowie den physikochemischen Parametern deutlich unterscheiden. In ersten Experimenten wird untersucht, wie sich diese Mischungen auf die Wasserhaltekapazit{\"a}t von sandigen B{\"o}den auswirken und ob sich dabei Unterschiede zwischen den EHS und in Kombination mit den anderen Ausgangssubstanzen aufzeigen lassen.}, language = {de} } @inproceedings{Schaaf, author = {Schaaf, Wolfgang}, title = {Entwicklung von Boden- und Standortqualit{\"a}ten in der Niederlausitzer Bergbaufolgelandschaften}, series = {Planet Erde, Vergangenheit, Entwicklung, Zukunft, 1. - 5. Oktober 2002 in W{\"u}rzburg, Gemeinschaftstagung von 13 geowissenschaftlichen Gesellschaften}, booktitle = {Planet Erde, Vergangenheit, Entwicklung, Zukunft, 1. - 5. Oktober 2002 in W{\"u}rzburg, Gemeinschaftstagung von 13 geowissenschaftlichen Gesellschaften}, editor = {Niebuhr, Birgit}, publisher = {Dt. Geologische Gesellschaft}, address = {Hannover}, isbn = {3-932537-22-X}, pages = {S. 292}, language = {de} } @inproceedings{SchaafGerkeBens, author = {Schaaf, Wolfgang and Gerke, Horst H. and Bens, Oliver}, title = {Characteristics of disturbance in terrestrial post-mining ecosystems}, language = {en} } @article{GastSchaafWildenetal., author = {Gast, M. and Schaaf, Wolfgang and Wilden, R. and Scherzer, J{\"o}rg and H{\"u}ttl, Reinhard F.}, title = {Water and element budgets of pine stands on lignite and pyrite containing mine soils}, language = {en} } @article{GerkeHangenSchaafetal., author = {Gerke, Horst H. and Hangen, Edzard and Schaaf, Wolfgang and H{\"u}ttl, Reinhard F.}, title = {Spatial variability of water repellency in a lignitic mine soil afforested with Pinus nigra}, language = {en} } @article{WildenSchaafHuettl, author = {Wilden, R. and Schaaf, Wolfgang and H{\"u}ttl, Reinhard F.}, title = {Element budgets of two afforested mine sites after application of fertilizer and organic residues}, language = {en} } @article{Schaaf, author = {Schaaf, Wolfgang}, title = {What can element budgets of false-time series tell us about ecosystem development on post-lignite mining sites?}, language = {en} } @article{Schaaf, author = {Schaaf, Wolfgang}, title = {Leaching induced changes in substrate and solution chemistry of mine soil microcosms}, language = {en} } @inproceedings{Schaaf, author = {Schaaf, Wolfgang}, title = {Einsatz organischer Abf{\"a}lle bei der Wiedernutzbarmachung}, language = {de} } @incollection{AschBensBestajovskyetal., author = {Asch, Folkard and Bens, Oliver and Bestajovsky, J{\"u}rgen and Gattinger, Andreas and Gerwin, Werner and Hattig, Tom and Hoogen, Verena and H{\"u}ttl, Reinhard F. and Rodionov, Andrei and Schaaf, Wolfgang and Schneider, Bernd Uwe and Trimborn, Manfred and Schillem, Steffi}, title = {Bodenmelioration und Anbauverfahren f{\"u}r trockenheitsgef{\"a}hrdete Standorte}, series = {Klimaschutz und Anpassung an die Klimafolgen : Strategien, Maßnahmen und Anwendungsbeispiele}, booktitle = {Klimaschutz und Anpassung an die Klimafolgen : Strategien, Maßnahmen und Anwendungsbeispiele}, editor = {Mahammadzadeh, Mahammad and Biebeler, Hendrik and Bardt, Hubertus}, publisher = {IW-Medien}, address = {K{\"o}ln}, isbn = {978-3-602-14847-9}, pages = {287 -- 294}, language = {de} }