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Distribution area of cultivated cockspur, "the Japanese millet" (Echinochloa utilis) .

Object description Download GIS-layers

Authors:

Object-expert and GIS-expert L.L. Malyshev

Date of creation:

21.09.2005

Scale:

1:20,000,000.

Accuracy of map:

Map was created using maps of scale 1:2,000,000-1:11,250,000.

Projection:

"Alber.s Equal-Area Conic for the USSR", 9, 1001, 7, 100, 0, 44, 68, 0, 0.

Basic contents:

Vector map consisting of 1 base and 2 thematic layers. The species distribution area is represented by polygons and points.

Accuracy of qualifier:

Points represent sites of species locations reported in published references. The polygon was constructed using generalized information on species distribution reported in published references.

Mapping procedure:

Kharkevich.s (1985) map was used as a prototype. Species occurs in the wild in the southern Primorski territory. It is cultivated in research crops in southern areas of the former USSR. Until 1945, it was also cultivated in the southern Sakhalin and Kuriles.

Sources of data:

Kharkevich S.S., ed. 1985. Vascular plants of the Soviet Far East. Vol. 1. Leningrad: "Nauka", 398 pages.

Rights and copyrights:

All rights on the map and its descriptions belong to its author.
Photo © E.A. Dzyubenko.