BERICHT UBER DIE KARTIERUNG DER FLORA MITTELEUROPAS

Citations Over TimeTop 11% of 1971 papers

Abstract

Summary The mapping scheme for the Flora of Central Europe forms the basis for the preparation of a distributional atlas. This atlas should contain the maps of all Central European vascular plants (Pteridophyta and Spermatophyta) based on grid units of 10′ long. × 6′ lat. The maps will cover Austria, western and central Czechoslovakia, Germany (G.D.R. and G.F.R.), Switzerland, northern Italy and northwestern Yugoslavia (north of 45° N and west of 19° 10′ E), together with some neighbouring territories. Work on the mapping scheme was started a few years ago in most Central European countries with the help of numerous voluntary collaborators, many local working groups, and several regional centers. The current activity is characterized by international cooperation and the accumulation of data prepared for modern machine handling. A “Check list of the vascular plants of Central Europe” (Ehrendorfer & al., cf. fig. 1) and a grid system based on geographical longitudes and latidudes supply the numerically coded taxonomical and geographical reference units. The system of data handling is demonstrated in fig. 2: Records from field work as well as herbarium and literature sources are first incorporated into printed field lists (fig. 3), punch cards with text (fig. 4) or data forms (fig. 5). Records are then transferred to punched cards or magnetic tape, partly through mark‐sensing coding‐forms and mark‐sensing reader. Finally, lists of records as well as distributional maps will be available by automatic printing from tabulators and/or data plotters. 10 sample maps demonstrate the design and information value of the distributional maps for the atlas; at the same time they illustrate the considerable deficiencies in our present knowledge of actual distribution in higher plants. Everybody interested in Central European floristics and geobotany is therefore invited to participate in regional or national organizations of the mapping scheme in order to realize the project of a distributional atlas of the Central European flora.

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