META-X®-Software for Metapopulation Viability Analysis by Dr. Karin Frank, Professor Dr. Christian Wissel, Dr. Volker

By Dr. Karin Frank, Professor Dr. Christian Wissel, Dr. Volker Grimm, Dr. Frank Köster, Dr. Helmut Lorek, Professor Dr. Michael Sonnenschein (auth.)

Meta-X is a undemanding laptop application that enables scholars, academics, and researchers to accomplish a metapopulation viability research i.e. to evaluate the extinction probability of (meta)populations on discrete, partly remoted patches of habitat, in a snug manner. The CD comes with an intensive guide and is the reason the elemental suggestion of this system and takes you on a guided journey via a version scan. It extra presents the mandatory medical history on either metapopulation dynamics and inhabitants viability research.
A precise function of Meta-X is that it helps comparative analyses of different situations. This predestines Meta-X to function an reduction for choice making in conservation administration and panorama making plans. moreover, instruction manual and software program jointly offer a useful assist in study and teaching.
process Requirements:
Windows 95/98, home windows 2000, home windows NT 4.0, or home windows XP, Pentium Processor with a least 133 MHz, sixty four MB RAM, 15 MB of loose house on harddrive, CD-ROM force with not less than 4x velocity, Microsoft net Explorer 4.0 or higher.

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The reachability matrix should now read as follows: 5. Click Next. The window ‘Rates of Colonization’ appears and shows the colonization matrix, which is calculated from the reachability matrix, the connection matrix as well as the patch characteristics ‘Emigrants per Year’ and ‘Number of immigrants needed’. The entries in the matrix indicate the rate of colonization between each pair of patches. 1 Your First META-X Experiment 35 6. Click Next. e. those parameters which are directly used by the model to simulate metapopulation dynamics.

The entries in this matrix indicate the principal probability that an emigrant from patch i will reach patch j if there is a connection between these two patches. Thus, reachability is calculated from the patch distance and the mean dispersal range, but ignores the connection matrix. The reachability matrix should now read as follows: 5. Click Next. The window ‘Rates of Colonization’ appears and shows the colonization matrix, which is calculated from the reachability matrix, the connection matrix as well as the patch characteristics ‘Emigrants per Year’ and ‘Number of immigrants needed’.

Km’ is default. We will leave this unchanged. The next box is ‘Position (Coordinates)’. Here, the coordinate system is specified by which you will later define the coordinates of the patches: Note: In META-X, input fields which are currently empty or which are filled with invalid values have a red background; validly filled fields have a green background. 3. e. ’ in the input fields. You can use tab-keys or direct positioning by mouse clicks to navigate between the fields. Now you have defined a quadratic clipping of the landscape with a size of 100 ´ 100 km².

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