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Track: Natural Resources and Conservation
Paul Schreilechner
BIOGIS Consulting
HellbrunnerstraBe 34
A-5020
Salzburg,
AUSTRIA
Telephone: 43 662 452216 or 43
Fax: 43 662 452216
E-mail: biogis@hrm.co.at
Robert Patzner
BioMapper-ARCVIEW Version 3.0 - Extension for Species Distribution Mapping
BioMapper an ARCVIEW Version 3.0 extension was developed for the project "Water Mollusca Mapping in Salzburg, Austria". BioMapper includes a bundle of tools (Avenue scripts and Visual Basic forms) and a customized interface of ARCVIEW Version 3.0. Species distribution data is stored in MSAccess. In a second step the tool should be adopted for a broader range of users. BioMapper features - Import of points from RDBMS to AV - creating of a new shapefile - Unproject points (Gauss-Krger, Austrian Bundesmeldenetz to DD) - Referencing of the points to different spatial raster systems (6 x 4 degree basefields, 3 x 2 degree quadrants, 2 x 2 km raster, or any other raster system) - Database connection and performing of SQL-queries - Maps of species with different symbols and colors (several classification types) - Mapping of biodiversity - Mapping of endangered species About the project: Freshwater snails and mussels in Salzburg Austria, were mapped. Many species of freshwater molluscs are dependent upon certain
ecological situations. Biology, ecology, taxonomy, and the demands on habitats are well known in most species. They are not bound to a certain season (like many insects) and are usually found throughout the year. Former existence of species can be verified by the help of empty shells. There exist about eighty publications on the distribution of water molluscs in the region of Salzburg, most of them more than forty years old. Up to now 36 species of freshwater snails and 21 species of mussels have been described, whereby 28 of the snails and 15 of the mussels are cited in the Red List. One species (Unio crassus) has been extinct since the 1950's and 4 species have been imported to Salzburg within the last two decades. Goals of the project: Use of watermollusca as bioindicators, environmental planning and Bioinventar ZOODAT.
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