TY - JOUR
A1 - Weber, Michael
A1 - Scholz, Denis
A1 - Schröder-Ritzrau, Andrea
A1 - Deininger, Michael
A1 - Spötl, Christoph
A1 - Lugli, Federico
A1 - Mertz-Kraus, Regina
A1 - Jochum, Klaus Peter
A1 - Fohlmeister, Jens Bernd
A1 - Stumpf, Cintia F.
A1 - Riechelmann, Dana F. C.
T1 - Evidence of warm and humid interstadials in central Europe during early MISSUE 3 revealed by a multi-proxy speleothem record
JF - Quaternary science reviews : the international multidisciplinary research and review journal
N2 - Marine Isotope Stage 3 (MIS 3, 57-27 ka) was characterised by numerous rapid climate oscillations (i.e., Dansgaard-Oeschger (D/O-) events), which are reflected in various climate archives. So far, MIS 3 speleothem records from central Europe have mainly been restricted to caves located beneath temperate Alpine glaciers or close to the Atlantic Ocean. Thus, MIS 3 seemed to be too cold and dry to enable speleothem growth north of the Alps in central Europe. Here we present a new speleothem record from Bunker Cave, Germany, which shows two distinct growth phases from 52.0 (+0.8, -0.5) to 50.9 (+0.6, -1.3) ka and 473 (+1.0, -0.6) to 42.8 (+/- 0.9) ka, rejecting this hypothesis. These two growth phases potentially correspond to the two warmest and most humid phases in central Europe during MIS 3, which is confirmed by pollen data from the nearby Eifel. The hiatus separating the two phases is associated with Heinrich stadial 5 (HS 5), although the growth stop precedes the onset of HS 5. The first growth phase is characterised by a fast growth rate, and Mg concentrations and Sr isotope data suggest high infiltration and the presence of soil cover above the cave. The second growth phase was characterised by drier, but still favourable conditions for speleothem growth. During this phase, the delta C-13 values show a significant decrease associated with D/O-event 12. The timing of this shift is in agreement with other MIS 3 speleothem data from Europe and Greenland ice core data. (C) 2018 Elsevier Ltd. All rights reserved.
KW - Speleothems
KW - Pleistocene
KW - Palaeoclimatology
KW - Europe
KW - Dansgaard-Oeschger event
KW - Marine isotope stage 3
KW - Bunker cave
KW - Multi-proxy approach
KW - U-Th series
Y1 - 2018
U6 - https://doi.org/10.1016/j.quascirev.2018.09.045
SN - 0277-3791
VL - 200
SP - 276
EP - 286
PB - Elsevier
CY - Oxford
ER -
TY - JOUR
A1 - Rudner, Michael
A1 - Schröder-Esselbach, Boris
A1 - Biedermann, Robert
A1 - Kleyer, Michael
T1 - Habitatmodellierung in GIMOLUS : e-Learning Module zur Verwendung der logistischen Regression zur Analyse der Art-Umwelt-Beziehungen
Y1 - 2004
UR - http://brandenburg.geoecology.uni-potsdam.de/users/schroeder/download/publications/ rudner_etal_ufzbericht9_2004.pdf
ER -
TY - JOUR
A1 - Kleyer, Michael
A1 - Schröder-Esselbach, Boris
A1 - Biedermann, Robert
A1 - Rudner, Michael
A1 - Fritzsch, K.
A1 - Kühner, A.
A1 - Poschlod, P.
A1 - Kahmen, S.
A1 - Tackenberg, O.
A1 - Talmon, E.
A1 - Poethke, H.-J.
A1 - Obermaier, E.
A1 - Hein, S.
A1 - Hinsch, M.
A1 - Henle, K.
A1 - Settele, Josef
A1 - Binzenhöfer, Birgit
A1 - Pfeifer, A.
A1 - Kögl, H.
T1 - Freie Beweidung mit geringer Besatzdichte und Fräsen als alternative Verfahren zur Pflege von Magerrasen
Y1 - 2004
SN - 0341-7026
ER -
TY - JOUR
A1 - Schröder-Esselbach, Boris
A1 - Rudner, Michael
A1 - Biedermann, Robert
A1 - Kleyer, Michael
T1 - Ökologische & sozio-ökonomische Bewertung von Managementsystemen für die Offenhaltung von Landschaften - ein integriertes Landschaftsmodell
Y1 - 2004
UR - http://brandenburg.geoecology.uni-potsdam.de/users/schroeder/download/publications/ schroeder_etal_ufzbericht9_2004.pdf
ER -
TY - JOUR
A1 - Rudner, Michael
A1 - Schröder-Esselbach, Boris
A1 - Biedermann, Robert
A1 - Kleyer, Michael
T1 - Habitatmodellierung in der Landschaftsökologie
N2 - Das Teilprojekt Landschafts- und Autökologie (LÖK) hat den Schwerpunkt auf die Erarbeitung einer e- Learning-Einheit zur Habitatmodellierung im allgemeinen und dem Verfahren der logistischen Regression im speziellen gelegt. In den sechs Lernmodulen der Lerneinheit werden alle für eine erfolgreiche Modellierung der Habitateignung erforderlichen Arbeitsschritte sequentiell behandelt. Die wesentlichen Schritte werden mit interaktiven Aufgaben vertieft, in welchen an entscheidenden Stellen WebGIS eingesetzt wird. Der räumliche Bezug wird in der Regel über WebGIS- Anwendungen zu einer virtuellen Landschaft hergestellt, die in das GIMOLUS-System integriert ist. Die erforderlichen Datensätze für die Analyse von Art-Habitat- Beziehungen werden bereitgestellt oder können interaktiv aus der virtuellen Landschaft erzeugt werden.
Y1 - 2003
SN - 3-87907-417-8
ER -
TY - JOUR
A1 - Mitzner, Rolf
A1 - Rehanek, Jens
A1 - Kern, Jan
A1 - Gul, Sheraz
A1 - Hattne, Johan
A1 - Taguchi, Taketo
A1 - Alonso-Mori, Roberto
A1 - Tran, Rosalie
A1 - Weniger, Christian
A1 - Schröder, Henning
A1 - Quevedo, Wilson
A1 - Laksmono, Hartawan
A1 - Sierra, Raymond G.
A1 - Han, Guangye
A1 - Lassalle-Kaiser, Benedikt
A1 - Koroidov, Sergey
A1 - Kubicek, Katharina
A1 - Schreck, Simon
A1 - Kunnus, Kristjan
A1 - Brzhezinskaya, Maria
A1 - Firsov, Alexander
A1 - Minitti, Michael P.
A1 - Turner, Joshua J.
A1 - Möller, Stefan
A1 - Sauter, Nicholas K.
A1 - Bogan, Michael J.
A1 - Nordlund, Dennis
A1 - Schlotter, William F.
A1 - Messinger, Johannes
A1 - Borovik, Andrew S.
A1 - Techert, Simone
A1 - de Groot, Frank M. F.
A1 - Föhlisch, Alexander
A1 - Erko, Alexei
A1 - Bergmann, Uwe
A1 - Yachandra, Vittal K.
A1 - Wernet, Philippe
A1 - Yano, Junko
T1 - L-edge x-ray absorption spectroscopy of dilute systems relevant to metalloproteins using an X-ray free-electron laser
JF - The journal of physical chemistry letters
N2 - L-edge spectroscopy of 3d transition metals provides important electronic structure information and has been used in many fields. However, the use of this method for studying dilute aqueous systems, such as metalloenzymes, has not been prevalent because of severe radiation damage and the lack of suitable detection systems. Here we present spectra from a dilute Mn aqueous solution using a high-transmission zone-plate spectrometer at the Linac Coherent Light Source (LCLS). The spectrometer has been optimized for discriminating the Mn L-edge signal from the overwhelming 0 K-edge background that arises from water and protein itself, and the ultrashort LCLS X-ray pulses can outrun X-ray induced damage. We show that the deviations of the partial-fluorescence yield-detected spectra from the true absorption can be well modeled using the state-dependence of the fluorescence yield, and discuss implications for the application of our concept to biological samples.
Y1 - 2013
U6 - https://doi.org/10.1021/jz401837f
SN - 1948-7185
VL - 4
IS - 21
SP - 3641
EP - 3647
PB - American Chemical Society
CY - Washington
ER -
TY - JOUR
A1 - Aichert, Ingrid
A1 - Staiger, Anja
A1 - Schulte-Mäter, Anne
A1 - Becker-Redding, Ulrike
A1 - Stahn, Corinna
A1 - Peschke, Claudia
A1 - Heide, Judith
A1 - Ott, Susan
A1 - Herrmann, Heike
A1 - Völsch, Juliane
A1 - Mayer, Jörg
A1 - Rohnke, Lucie
A1 - Frank, Ulrike
A1 - Stadie, Nicole
A1 - Jentsch, Nadine
A1 - Blech, Anke
A1 - Kurtenbach, Stephanie
A1 - Thieke, Johanna
A1 - Schröder, Astrid
A1 - Stahn, Corinna
A1 - Hörnig, Robin
A1 - Burchert, Frank
A1 - De Bleser, Ria
A1 - Heister, Julian
A1 - Bartels, Luise
A1 - Würzner, Kay-Michael
A1 - Böhme, Romy
A1 - Burmester, Juliane
A1 - Krajewski, Melanie
A1 - Nager, Wido
A1 - Jungehülsing, Gerhard Jan
A1 - Wartenburger, Isabell
A1 - Jöbges, Michael
A1 - Schwilling, Eleonore
A1 - Lidzba, Karen
A1 - Winkler, Susanne
A1 - Konietzko, Andreas
A1 - Krägeloh-Mann, Ingeborg
A1 - Rilling, Eva
A1 - Wilken, Rainer
A1 - Wismann, Kathrin
A1 - Glandorf, Birte
A1 - Hoffmann, Hannah
A1 - Hinnenkamp, Christiane
A1 - Rohlmann, Insa
A1 - Ludewigt, Jacqueline
A1 - Bittner, Christian
A1 - Orlov, Tatjana
A1 - Claus, Katrin
A1 - Ehemann, Christine
A1 - Winnecken, Andreas
A1 - Hummel, Katja
A1 - Breitenstein, Sarah
ED - Wahl, Michael
ED - Stahn, Corinna
ED - Hanne, Sandra
ED - Fritzsche, Tom
T1 - Spektrum Patholinguistik = Schwerpunktthema: Von der Programmierung zur Artikulation : Sprechapraxie bei Kindern und Erwachsenen
N2 - Das 3. Herbsttreffen Patholinguistik fand am 21. November 2009 an der Universität Potsdam statt. Der vorliegende Tagungsband enthält die drei Hauptvorträge zum Schwerpunktthema „Von der Programmierung zu Artikulation: Sprechapraxie bei Kindern und Erwachsenen“. Darüber hinaus enthält der Band die Beiträge aus dem Spektrum Patholinguistik, sowie die Abstracts der Posterpräsentationen.
N2 - The 3rd Herbsttreffen Patholinguistik was held on November 21st, 2009 at the University of Potsdam. These proceedings contain the three main lectures of the central topic „From programming to articulation: Apraxia of speech of children and adults “. Additionally this volume contains the contributions of Spektrum Patholinguistik, as well as the abstracts of the poster presentations.
T3 - Spektrum Patholinguistik - 3
KW - Patholinguistik
KW - Sprechapraxie
KW - Sprachtherapie
KW - patholinguistics
KW - apraxia of speech
KW - speech and language therapy
Y1 - 2010
U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus-45470
SN - 978-3-86956-079-3
SN - 1869-3822
SN - 1866-9433
IS - 3
PB - Universitätsverlag Potsdam
CY - Potsdam
ER -
TY - JOUR
A1 - Blankertz, Benjamin
A1 - Müller, Klaus-Robert
A1 - Curio, Gabriel
A1 - Vaughan, Theresa M.
A1 - Schalk, Gerwin
A1 - Wolpaw, Jonathan R.
A1 - Schlogl, Alois
A1 - Neuper, Christa
A1 - Pfurtscheller, Gert
A1 - Hinterberger, Thilo
A1 - Schroder, Michael
A1 - Birbaumer, Niels
T1 - The BCI competition 2003 : Progress and perspectives in detection and discrimination of EEG single trials
N2 - Interest in developing a new method of man-to-machine communication-a brain-computer interface (BCI)-has grown steadily over the past few decades. BCIs create a new communication channel between the brain and an output device by bypassing conventional motor output pathways of nerves and muscles. These systems use signals recorded from the scalp, the surface of the cortex, or from inside the brain to enable users to control a variety of applications including simple word-processing software and orthotics. BCI technology could therefore provide a new communication and control option for individuals who cannot otherwise express their wishes to the outside world. Signal processing and classification methods are essential tools in the development of improved BCI technology. We organized the BCI Competition 2003 to evaluate the current state of the art of these tools. Four laboratories well versed in EEG-based BCI research provided six data sets in a documented format. We made these data sets (i.e., labeled training sets and unlabeled test sets) and their descriptions available on the Internet. The goal in the competition was to maximize the performance measure for the test labels. Researchers worldwide tested their algorithms and competed for the best classification results. This paper describes the six data sets and the results and function of the most successful algorithms
Y1 - 2004
SN - 0018-9294
ER -
TY - JOUR
A1 - Rudner, Michael
A1 - Schröder-Esselbach, Boris
A1 - Biedermann, Robert
A1 - Müller, Mark
T1 - Habitat modelling in GIMOLUS - webGIS-based e-learning modules using logistic regression to assess species- habitat relationships
Y1 - 2003
UR - http://brandenburg.geoecology.uni-potsdam.de/users/schroeder/download/publications/ rudner_schroeder_biedermann_mueller_agit2003.pdf
ER -
TY - CHAP
A1 - Märker, Michael
A1 - Schröder-Esselbach, Boris
A1 - Capolongo, Domenico
A1 - Bentivenga, Mario
T1 - Geomorphological and pedological processes in badland areas of Southern Italy and their interaction with Mediterranean vegetation
N2 - Interdisziplinäres Zentrum für Musterdynamik und Angewandte Fernerkundung Workshop vom 9. - 10. Februar 2006
Y1 - 2006
U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus-7288
N1 - [Poster]
ER -
TY - GEN
A1 - Hoppert, Michael
A1 - Reimer, Rudolph
A1 - Kemmling, Anne
A1 - Schröder, Annekatrin
A1 - Günzl, Bettina
A1 - Heinken, Thilo
T1 - Structure and reactivity of a biological soil crust from a xeric sandy soil in Central Europe
N2 - The investigation was designed to explore the structure, composition and activity of a biological soil crust on an acidic, sandy soil from a temperate climate. The crust covers several hundreds of square meters on the hilltop of a large terminal moraine. The conjugate alga Zygogonium ericetorum forms the essential matrix for the crust, a dense web of algal filaments with interspersed lichens and mosses. The crust is composed of three layers, with an uppermost layer consisting nearly entirely of a dense algal mat. In lower layers, a parasitic fungus, penetrating the algal cells, is another important component of the crust community. In this soil crust, photosynthetic and respiratory activity is stabilized at low water activities.
KW - biological soil crust
KW - desiccation tolerance
KW - electron microscopy
KW - Fusarium oxysporum
KW - Zygogonium ericetorum
Y1 - 2004
U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus-5872
ER -
TY - GEN
A1 - Plath, Martin
A1 - Hermann, Bernd
A1 - Schröder, Christine
A1 - Riesch, Rüdiger
A1 - Tobler, Michael
A1 - García de León, Francisco J.
A1 - Schlupp, Ingo
A1 - Tiedemann, Ralph
T1 - Locally adapted fish populations maintain small-scale genetic differentiation despite perturbation by a catastrophic flood event
N2 - Background: Local adaptation to divergent environmental conditions can promote population genetic differentiation even in the absence of geographic barriers and hence, lead to speciation. Perturbations by catastrophic events, however, can distort such parapatric ecological speciation processes. Here, we asked whether an exceptionally strong flood led to homogenization of gene pools among locally adapted populations of the Atlantic molly (Poecilia mexicana, Poeciliidae) in the Cueva del Azufre system in southern Mexico, where two strong environmental selection factors (darkness within caves and/or presence of toxic H2S in sulfidic springs) drive the diversification of P. mexicana. Nine nuclear microsatellites as well as heritable female life history traits (both as a proxy for quantitative genetics and for trait divergence) were used as markers to compare genetic differentiation, genetic diversity, and especially population mixing (immigration and emigration) before and after the flood. Results: Habitat type (i.e., non-sulfidic surface, sulfidic surface, or sulfidic cave), but not geographic distance was the major predictor of genetic differentiation. Before and after the flood, each habitat type harbored a genetically distinct population. Only a weak signal of individual dislocation among ecologically divergent habitat types was uncovered (with the exception of slightly increased dislocation from the Cueva del Azufre into the sulfidic creek, El Azufre). By contrast, several lines of evidence are indicative of increased flood-induced dislocation within the same habitat type, e.g., between different cave chambers of the Cueva del Azufre. Conclusions: The virtual absence of individual dislocation among ecologically different habitat types indicates strong natural selection against migrants. Thus, our current study exemplifies that ecological speciation in this and other systems, in which extreme environmental factors drive speciation, may be little affected by temporary perturbations, as adaptations to physico-chemical stressors may directly affect the survival probability in divergent habitat types.
T3 - Zweitveröffentlichungen der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe - paper 162
Y1 - 2010
U6 - http://nbn-resolving.de/urn/resolver.pl?urn:nbn:de:kobv:517-opus-48599
ER -
TY - JOUR
A1 - Estendorfer, Jennifer
A1 - Stempfhuber, Barbara
A1 - Haury, Paula
A1 - Vestergaard, Gisle
A1 - Rillig, Matthias C.
A1 - Joshi, Jasmin Radha
A1 - Schröder, Peter
A1 - Schloter, Michael
T1 - The Influence of Land Use Intensity on the Plant-Associated Microbiome of Dactylis glomerata L.
JF - Frontiers in plant science
N2 - In this study, we investigated the impact of different land use intensities (LUI) on the root-associated microbiome of Dactylis glomerata (orchardgrass). For this purpose, eight sampling sites with different land use intensity levels but comparable soil properties were selected in the southwest of Germany. Experimental plots covered land use levels from natural grassland up to intensively managed meadows. We used 16S rRNA gene based barcoding to assess the plant-associated community structure in the endosphere, rhizosphere and bulk soil of D. glomerata. Samples were taken at the reproductive stage of the plant in early summer. Our data indicated that roots harbor a distinct bacterial community, which clearly differed from the microbiome of the rhizosphere and bulk soil. Our results revealed Pseudomonadaceae, Enterobacteriaceae and Comamonadaceae as the most abundant endophytes independently of land use intensity. Rhizosphere and bulk soil were dominated also by Proteobacteria, but the most abundant families differed from those obtained from root samples. In the soil, the effect of land use intensity was more pronounced compared to root endophytes leading to a clearly distinct pattern of bacterial communities under different LUI from rhizosphere and bulk soil vs. endophytes. Overall, a change of community structure on the plant-soil interface was observed, as the number of shared OTUs between all three compartments investigated increased with decreasing land use intensity. Thus, our findings suggest a stronger interaction of the plant with its surrounding soil under low land use intensity. Furthermore, the amount and quality of available nitrogen was identified as a major driver for shifts in the microbiome structure in all compartments.
KW - Dactylis glomerata
KW - land use change
KW - endophytes
KW - rhizosphere
KW - soil microbiome
KW - biodiversity
Y1 - 2017
U6 - https://doi.org/10.3389/fpls.2017.00930
SN - 1664-462X
VL - 8
PB - Frontiers Research Foundation
CY - Lausanne
ER -
TY - JOUR
A1 - Leitner, T.
A1 - Josefsson, Ida
A1 - Mazza, T.
A1 - Miedema, Piter S.
A1 - Schröder, H.
A1 - Beye, Martin
A1 - Kunnus, Kristjan
A1 - Schreck, S.
A1 - Düsterer, Stefan
A1 - Föhlisch, Alexander
A1 - Meyer, M.
A1 - Odelius, Michael
A1 - Wernet, Philippe
T1 - Time-resolved electron spectroscopy for chemical analysis of photodissociation
BT - Photoelectron spectra of Fe(CO)(5), Fe(CO)(4), and Fe(CO)(3)
JF - The journal of chemical physics : bridges a gap between journals of physics and journals of chemistr
N2 - The prototypical photoinduced dissociation of Fe(CO)(5) in the gas phase is used to test time-resolved x-ray photoelectron spectroscopy for studying photochemical reactions. Upon one-photon excitation at 266 nm, Fe(CO)(5) successively dissociates to Fe(CO)(4) and Fe(CO)(3) along a pathway where both fragments retain the singlet multiplicity of Fe(CO)(5). The x-ray free-electron laser FLASH is used to probe the reaction intermediates Fe(CO)(4) and Fe(CO)(3) with time-resolved valence and core-level photoelectron spectroscopy, and experimental results are interpreted with ab initio quantum chemical calculations. Changes in the valence photoelectron spectra are shown to reflect changes in the valenceorbital interactions upon Fe-CO dissociation, thereby validating fundamental theoretical concepts in Fe-CO bonding. Chemical shifts of CO 3 sigma inner-valence and Fe 3 sigma core-level binding energies are shown to correlate with changes in the coordination number of the Fe center. We interpret this with coordination-dependent charge localization and core-hole screening based on calculated changes in electron densities upon core-hole creation in the final ionic states. This extends the established capabilities of steady-state electron spectroscopy for chemical analysis to time-resolved investigations. It could also serve as a benchmark for howcharge and spin density changes in molecular dissociation and excited-state dynamics are expressed in valence and core-level photoelectron spectroscopy. Published by AIP Publishing.
Y1 - 2018
U6 - https://doi.org/10.1063/1.5035149
SN - 0021-9606
SN - 1089-7690
VL - 149
IS - 4
PB - American Institute of Physics
CY - Melville
ER -
TY - JOUR
A1 - Maiwald, Lisa Marie
A1 - Junga, Yvonne Marie
A1 - Lang, Thomas
A1 - Montini, Romina
A1 - Witthöft, Michael
A1 - Heider, Jens
A1 - Schröder, Annette
A1 - Weck, Florian
T1 - The role of therapist and patient in-session behavior for treatment outcome in exposure-based cognitive behavioral therapy for panic disorder with agoraphobia
JF - Journal of clinical psychology
N2 - Objective
There is a very limited amount of research on the relationship between therapist and patient in‐session behavior and treatment outcome in cognitive behavioral therapy (CBT) for panic disorder with agoraphobia (PD/AG). Additionally, the findings tend to be inconclusive. This study investigates the association between therapist competence, adherence, patient interpersonal behavior, and therapeutic alliance and outcome in a low‐control CBT setting by using comprehensive measures.
Methods
Twenty‐six patients with PD/AG received 12 sessions of exposure‐based CBT. With regard to the outcome, treatments were classified either as problematic or nonproblematic by means of distinct criteria. Two raters evaluated the in‐session behavior.
Results
Patient interpersonal behavior was significantly associated with outcome at follow‐up (r = 0.49). At posttreatment, the correlation did not reach significance ( r = 0.34). Competence, adherence, and alliance were not outcome associated.
Conclusion
The findings emphasize the need for therapists to pay particular attention to patients’ interpersonal behavior during treatment.
KW - interpersonal behavior
KW - panic disorder with agoraphobia
KW - therapeutic alliance
KW - therapist competence
KW - treatment outcome
Y1 - 2018
U6 - https://doi.org/10.1002/jclp.22738
SN - 0021-9762
SN - 1097-4679
VL - 75
IS - 4
SP - 614
EP - 626
PB - Wiley
CY - Hoboken
ER -
TY - JOUR
A1 - Schröder-Preikschat, Wolfgang
A1 - Garnatz, Thomas
A1 - Haack, Ute
A1 - Sander, Michael
T1 - Experience made with the design and development of a message-passing kernel for a dual-processor-node parallel computer
Y1 - 1996
ER -
TY - JOUR
A1 - Vorpahl, Peter
A1 - Dislich, Claudia
A1 - Elsenbeer, Helmut
A1 - Märker, Michael
A1 - Schröder-Esselbach, Boris
T1 - Biotic controls on shallow translational landslides
JF - Earth surface processes and landforms : the journal of the British Geomorphological Research Group
N2 - In undisturbed tropical montane rainforests massive organic layers accommodate the majority of roots and only a small fraction of roots penetrate the mineral soil. We investigated the contribution of vegetation to slope stability in such environments by modifying a standard model for slope stability to include an organic layer with distinct mechanical properties. The importance of individual model parameters was evaluated using detailed measurements of soil and vegetation properties to reproduce the observed depth of 11 shallow landslides in the Andes of southern Ecuador. By distinguishing mineral soil, organic layer and above-ground biomass, it is shown that in this environment vegetation provides a destabilizing effect mainly due to its contribution to the mass of the organic layer (up to 973 t ha-1 under wet conditions). Sensitivity analysis shows that the destabilizing effect of the mass of soil and vegetation can only be effective on slopes steeper than 37.9 degrees. This situation applies to 36% of the study area. Thus, on the steep slopes of this megadiverse ecosystem, the mass of the growing forest promotes landsliding, which in turn promotes a new cycle of succession. This feedback mechanism is worth consideration in further investigations of the impact of landslides on plant diversity in similar environments.
KW - shallow translational landslides
KW - tropical montane forest
KW - biomass
KW - organic layer
Y1 - 2013
U6 - https://doi.org/10.1002/esp.3320
SN - 0197-9337
VL - 38
IS - 2
SP - 198
EP - 212
PB - Wiley-Blackwell
CY - Hoboken
ER -
TY - BOOK
A1 - Bothe, Michael
A1 - Dolzer, Rudolf
A1 - Hailbronner, Kay
A1 - Klein, Eckart
A1 - Kunig, Philip
A1 - Schröder, Meinhard
A1 - Graf Vitzthum, Wolfgang
ED - Graf Vitzthum, Wolfgang
T1 - Völkerrecht
Y1 - 2007
SN - 978-3-89949-426-6
PB - de Gruyter
CY - Munchen
ER -
TY - JOUR
A1 - Blankertz, Benjamin
A1 - Müller, Klaus-Robert
A1 - Krusienski, Dean
A1 - Schalk, Gerwin
A1 - Wolpaw, Jonathan R.
A1 - Schlögl, Alois
A1 - Pfurtscheller, Gert
A1 - Millan, José del R.
A1 - Schröder, Michael
A1 - Birbaumer, Niels
T1 - The BCI competition III : validating alternative approaches to actual BCI problems
N2 - A brain-computer interface (BCI) is a system that allows its users to control external devices with brain activity. Although the proof-of-concept was given decades ago, the reliable translation of user intent into device control commands is still a major challenge. Success requires the effective interaction of two adaptive controllers: the user's brain, which produces brain activity that encodes intent, and the BCI system, which translates that activity into device control commands. In order to facilitate this interaction, many laboratories are exploring a variety of signal analysis techniques to improve the adaptation of the BCI system to the user. In the literature, many machine learning and pattern classification algorithms have been reported to give impressive results when applied to BCI data in offline analyses. However, it is more difficult to evaluate their relative value for actual online use. BCI data competitions have been organized to provide objective formal evaluations of alternative methods. Prompted by the great interest in the first two BCI Competitions, we organized the third BCI Competition to address several of the most difficult and important analysis problems in BCI research. The paper describes the data sets that were provided to the competitors and gives an overview of the results.
Y1 - 2006
UR - http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=7333
U6 - https://doi.org/10.1109/Tnsre.2006.875642
SN - 1534-4320
ER -
TY - JOUR
A1 - Dormann, Carsten F.
A1 - Schymanski, Stanislaus J.
A1 - Cabral, Juliano Sarmento
A1 - Chuine, Isabelle
A1 - Graham, Catherine
A1 - Hartig, Florian
A1 - Kearney, Michael
A1 - Morin, Xavier
A1 - Römermann, Christine
A1 - Schröder-Esselbach, Boris
A1 - Singer, Alexander
T1 - Correlation and process in species distribution models: bridging a dichotomy
JF - Journal of biogeography
N2 - Within the field of species distribution modelling an apparent dichotomy exists between process-based and correlative approaches, where the processes are explicit in the former and implicit in the latter. However, these intuitive distinctions can become blurred when comparing species distribution modelling approaches in more detail. In this review article, we contrast the extremes of the correlativeprocess spectrum of species distribution models with respect to core assumptions, model building and selection strategies, validation, uncertainties, common errors and the questions they are most suited to answer. The extremes of such approaches differ clearly in many aspects, such as model building approaches, parameter estimation strategies and transferability. However, they also share strengths and weaknesses. We show that claims of one approach being intrinsically superior to the other are misguided and that they ignore the processcorrelation continuum as well as the domains of questions that each approach is addressing. Nonetheless, the application of process-based approaches to species distribution modelling lags far behind more correlative (process-implicit) methods and more research is required to explore their potential benefits. Critical issues for the employment of species distribution modelling approaches are given, together with a guideline for appropriate usage. We close with challenges for future development of process-explicit species distribution models and how they may complement current approaches to study species distributions.
KW - Hypothesis generation
KW - mechanistic model
KW - parameterization
KW - process-based model
KW - species distribution model
KW - SDM
KW - uncertainty
KW - validation
Y1 - 2012
U6 - https://doi.org/10.1111/j.1365-2699.2011.02659.x
SN - 0305-0270
VL - 39
IS - 12
SP - 2119
EP - 2131
PB - Wiley-Blackwell
CY - Hoboken
ER -