Journal: Systems Ecology Report

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Terrestrial Systems Ecology, Department of Environmental Systems Science, ETH Zurich

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Publications 1 - 10 of 37
  • ModelWorks 2.2: An interactive simulation environment for personal computers and workstations
    Item type: Report
    Fischlin, Andreas; Gyalistras, Dimitrios; Roth, Olivier; et al. (1994)
    Systems Ecology Report
    ModelWorks is a modelling and simulation environment in Modula-2 specifically designed to be run interactively on modern personal computers and workstations. It supports modular modelling by featuring a coupling mechanism between submodels and an unrestricted number of state variables, model parameters etc. up to the limits of the computer resources. It allows for the formulation of continuous time, discrete time, discrete event models, as well as the free mixing of all these formalisms. Not only does ModelWorks offer the simulationist a handy user interface to experiment interactively with model systems, but also allows the modeller to use ModelWorks' functions via a client interface in any other programming context.
  • Comparing the behaviour of mountainous forest succession models in a changing climate
    Item type: Report
    Fischlin, Andreas; Bugmann, Harald (1993)
    Systems Ecology Report
    The temporal behaviour of three forest gap models built to simulate species succession in central Europe is compared in the current as well as future climates. The first model, FORECE, represents a conventional forest gap model, the second, FORCLIM 1.1, is an ecologically simplified descendant of the first, and the third model, FORCLIM 1.3, was derived from the second by avoiding any implicit climate dependencies. The species compositions produced by the three models were studied along an altitudinal gradient in the European Alps while manipulating climatic parameters. First, the equilibrium states of the models were calculated for the present climate. Second, starting from the equilibrium states, the step responses of the models were explored by imposing an instantaneous climatic change based on regional projections, which have been statistically downscaled from transient GCM simulations for the next century. According to similarity coefficients all three models produce similar equilibrium species compositions in the present climate. In a changed climate the results suggest that central European forests at high altitudes are more susceptible to temperature changes and that lower forests are more susceptible to precipitation changes. However, some models produce a markedly differing behaviour in a changed climate. Hence, contrary to wide-held expectations, this type of models needs to be thoroughly revised before forest gap models may be applied to assess in details the impacts of climatic change impacts on forests.
  • Unterrichtsprogramm "Stabilität"
    Item type: Report
    Fischlin, Andreas; Ulrich, Markus (1990)
    Systems Ecology Report
    Das Lernprogramm "Stabilität" erlaubt es, sich grundlegend mit dem Begriff Stabilität, insbesondere der Stabilität biologischer und ökologischer Systeme, auseindanderzusetzen.
  • Leben im und mit dem Klimawandel Lebensgrundlagen in Gefahr?
    Item type: Report
    Fischlin, Andreas (2010)
    Systems Ecology Report
  • Distance and direction of trivial flights of aphids in a potato field
    Item type: Report
    Nemecek, Thomas; Fischlin, Andreas; Derron, Jacques; et al. (1993)
    Systems Ecology Report
  • Benchmark experiments on workstations
    Item type: Report
    Löffler, Thomas J.; Fischlin, Andreas; Ulrich, Markus (1995)
    Systems Ecology Report
  • Introducing RASS - the RAMSES simulation server
    Item type: Report
    Thöny, J.; Fischlin, Andreas; Gyalistras, Dimitrios (1995)
    Systems Ecology Report
    RASS forms a new component of the RAMSES (Research Aids for the Modelling and Simulation of Environmental Systems) modelling and simulation concept. It allows to automatically translate interactive RAMSES model definition programs and to execute them in a batch mode on a high performance computer.
  • Courseware «Stability»
    Item type: Report
    Fischlin, Andreas; Ulrich, Markus (2025)
    Systems Ecology Report
  • Unterrichtsprogramm «Drosophila»
    Item type: Report
    Fischlin, Andreas; Ulrich, Markus (2010)
    Systems Ecology Report
  • «Maisreife» - das Konzept der physiologischen Zeit
    Item type: Report
    Roth, Olivier (1990)
    Systems Ecology Report
Publications 1 - 10 of 37