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Distribution area of slender oat (Avena barbata Pott.).

Object description Download GIS-layers

Authors:

The experts - Dzyubenko N. I., E. A. Dzyubenko
The GIS-Expert - Dzyubenko A. N

Date of creation:

17.06.2005.

Scale:

1:20,000,000.

Accuracy of map:

The map was created using a map to the scale of 1:10,000,000.

The projection:

"Alber's Equal Area Conic for Russia", 9, 1001, 7, 100, 0, 44, 68, 0, 0.

Basic contents:

Map is a vector file consisting of polygons and points. Locations of species are represented by points; area of possible distribution of species is represented by polygons.

Exactness of classifier:

Light-colored points represent locations referenced in published literature. Dark-colored points represent locations of the species reported in the BIN database (Komarov Botanical Institute). Polygons were created using published literature, herbarium samples, political boundaries and ecological descriptions.

Method of map construction:

In order to construct the distribution area of Avena barbata, the published map (Grossheim, 1939) derived from data from the N.I. Vavilov All Russian Institute of Plant Industry (VIR), St. Petersburg, and herbaria data (Komarov Botanical Institute (BIN), St. Petersburg), were used. According to published data, the species is distributed across Crimea, the Caucasus territories and Turkmenia (Flora of the USSR, 1945; Flora of the European part of the USSR, 1974; Tzvelev, 1976; Grasses of Ukraine, 1977; Brezhnev, Korovina, 1980). The distribution area presented here was created by generalizing data into three separate polygons (green line). The points, which were not used to create distribution area boundaries, represent single sites at which the species has been located. The distribution area.s border is based on all available data that have no significant contradictions.

Sources of data:

Grossheim A.A. 1939. Flora of Caucasus. - Baku: AzFAN,- Vol. 2. - pp. 587. (in Russian).
Created database of the BIN materials Komarov Botanical Institute (BIN).

Rights and copyrights:

Copyright on the map and its descriptions belong to its authors;
Copyright on the photos belongs to Dzyubenko N.I.