Relatives

The distribution area of white mulberry (Morus alba L.).

Object description Download GIS-layers

Authors:

Expert botanist I.G. Chukhina
GIS-expert T.A. Sinitsyna

Date of creation:

5.06.2004.

Scale:

1:20,000,000.

Exactness of map:

Map was created using herbarium specimens and maps of scale 1:25,000,000-1:85,000,000.

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 the species are represented by points, while areas of possible distribution of the species are represented by polygons.

Accuracy of classifier:

Points represent species locations referenced in published sources and locations from which herbarium specimens were taken. Polygons are based on generalized information from published sources and herbarium specimens.

Method of map production:

Species location data were obtained from the following sources: the database of species locations at the N.I. Vavilov Institute (1992), maps by Koropachinskiy (2002) and a map by Kharkevich (1991). The natural distribution area of this species is situated in the southern part of the Maritime Region only. This part of the distribution area is presented by a polygon. The southern, western and eastern borders of the distribution area pass along the national border of the former USSR. The northern border of the distribution area was constructed in accordance with Kharkevich (1991). The northwestern border was corrected in accordance with information from the herbarium specimens of the N.I. Vavilov Institute. In the southern part of the former USSR, this species is cultivated and runs wild; consequently, the distribution area in the Crimea, the Caucasus, and Middle Asia is presented by points only. These points represent verified locations of wild-growing plants of this species. These locations have been confirmed by herbarium specimens of the N.I. Vavilov Institute.

References.

N.I. Vavilov All-Russian Institute of Plant Industry [WIR], St. Petersburg, Russia.
N.I. Vavilov Institute, Herbarium Department, 1992. Information retrieval system: wild-growing relatives of cultural plants of Russia. STC Informregistr 0229905883, St. Petersburg, Russia.
Kharkevich S.S., ed. 1991. Vascular plants of the Soviet Far East. Vol. 5. Leningrad: Nauka, pp. 100-101. (in Russian).
Koropachinskiy I.Yu., Vstovskaya T.N. 2002. Woody plants of the Asian part of Russia. Novosibirsk: Publishing House of SB RAS, Branch Geo, pp. 217. (in Russian).

Right and copyright:

Copyright on this map and its description belongs to its authors.
Copyright on the picture belongs to S. Shuvalov.