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Rates of ecological processes are usually influenced by temperature. For simplicity and efficiency of ecosystem models it is often necessary to summarize information about temperature dependence from short, e.g. hourly, time intervals over longer, e.g. monthly, time periods, i.e. to calculate long term expected values of dependence functions. This aim can seldom be achieved by applying the temperature...
A Svicobian is the Jacobi matrix for a wider-than-linear class of dynamic models behind a given `stores-flows' diagram. Its particular form can be calculated immediately from the (flow-balanced) diagram to serve the target of standard equilibrium stability analysis. Its general form generates a new concept of matrix stability, the so-called DaD-stability, which is independent of quantitative estimates...
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