Weeds

Area of distribution and harmfulness of Galeopsis speciosa Mill.

Object description Download GIS-layers

Authors:

Object specialist - T.D. Sokolova,
GIS-specialist - I.ABudrevskaja

Date of creation:

15.03.2004

Scale:

1:20 000 000

Accuracy of map:

Map was created based on materials of maps of natural scale 1:5 000 000 - 1:80 000 000 and on literature data.

Projection:

"Alber's Equal Area Conic" USSR, 9, 1001, 7, 100, 0, 44, 68, 0, 0

Basic contents:

Vector map. Area of species distribution is shown by polygons, and sporadic distribution by points. Zones of weediness are shown by polygons.

Accuracy of classifier:

The weed area is subdivided into two zones, one representing species distribution, and the second where weed is considered a serious pest. Points represent locations where sporadic occurrence has been reported.

Method of map production:

Published literature was reviewed, including Atlases, monographs and papers. Occurrence data were obtained from herbarium specimens, floras, monographs and papers. The distribution area of the species was determined according to Hulten & Fries (1986). The zones of harmfulness were determined according to Nikitin (1983) and adjusted according to the sources listed below, as well as the Map of Arable Lands (Korolojeva et al., 2003). Data were then compiled through scanning and geo-referencing to develop a composite vector map. The biologist, together with the GIS specialist, drew a composite weed distribution area based on compiled data.

Reference citations:

Dorogostayskaya E.V. 1972. Weed plants of the Far North of the USSR. Leningrad: Nauka. 131-132 p. (In Russian)
Grossgeim, A.A. 1967. Flora of the Caucasus. Leningrad: Nauka. V. 7: 357. (In Russian)
Hulten E., Fries M. 1986. Atlas of North European Vascular Plants, North of the Tropic of Cancer.Konigstein. V. 1-3: 1172.
Koroljeva IE, Vilchevskaya EV, Ruhovich DI. 2003. Digital Arable Land Map. Laboratory of Soil Information of the Dokuchaev Soil Institute, Moscow, Russia [Based on: Yanvareva LF. (ed.), Martynjuk KN., Kisileva NM. 1989. Map of Land Use, Faculty of Geography, Moscow State University, Moscow, Russia.].
Mal'tsev A.I. 1939. The atlas of the most important weed species of the USSR. Moscow-Leningrad: Selkhozgiz. V. 2: 88. (In Russian)
Malyshev, L.I., ed. 1997. Flora of Siberia. Novosibirsk: Nauka. V. 11: 190. (In Russian)
Nikitin V.V. 1983. Weed plants of the USSR flora. Leningrad: Nauka. 48-54 p. (In Russian)
Shlyakova E.V. 1971. On weed infestation of crops of Mesen district of the Arkhangelsk Region. Botanicheskii zhurnal, 56(6): 863-868. (In Russian)
Tolmachev, A.I., ed. 1977. Flora of Northeast of the European part of the USSR. Leningrad: Nauka. V. 4: 86. (In Russian)
Ulyanova T.N. 1981. Weed plants in wheat of the USSR. In: Korovina O.N., editor. The catalogue of world collection of VIR, Issue 320. Leningrad: VIR. 50 p. (In Russian)
Ulyanova T.N., Kondratenko V.I., Ivanov I.A., Mal'kova E.A. 1992. Weed plants of the Novgorod, Vologda and Arkhangelsk Regions. Byulleten. VIR. Issue 229. 69-74 pp. (In Russian)

Right and copyright:

All rights reserved. Copyright 2004 © T.D. Sokolova & I.A. Budrevskaya (vector map, picture, description). Picture was taken from Mal'tsev A.I. 1939. The atlas of the most important weed species of the USSR, v. II. Moscow-Leningrad: Selkhozgiz, 88 p.p. (In Russian)