Weeds

Area of distribution and weediness of Pea Tuber (Lathyrus tuberosus L.).

Object description Download GIS-layers

Authors:

Object specialist A.Yu. Doronina, GIS-specialist I.A. Budrevskaya.

Date of creation:

20.05.2005.

Scale:

1:20 000 000.

Accuracy of map:

It is created on materials of maps of natural scale 1:15 000 000-1:100 000 000 and on information taken from the open-published literature.

Projection:

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

Basic contents:

Vector map. Area of distribution is shown by polygons (main distribution) and by dots (sporadic distribution). Zone of weediness is shown by polygons.

Accuracy of the classifier:

Within the weed area the zones of weediness are shown according to occurrence and abundance (Tanskii et al., 1998) - occurrence of Lathyrus tuberosus exceeds 50% with its abundance 4-5 numbers.

Procedure of map drawing:

The map is made by results of the analysis of the open-published cartographical materials and literature. The map of E. Hulten & M. Fries (1986), has been taken as a prototype, being supplemented by maps of distribution from A.N. Volkov (1935), A.A. Grossgeim (1952), A.I. Tolmachev (1976), S.S. Kharkevich (1989). The northern, southern, western and eastern boundaries of area are outlined according with E. Hulten & M. Fries (1986) and amplificated according to A.A. Grossgeim (1952) (southern boundary), A.I. Tolmachev (1976) (northern boundary), S.S. Kharkevich (1989) (eastern and northern boundaries). The sporadic distribution is given according with E. Hulten & M. Fries (1986), A.A. Grossgeim (1952), A.I. Tolmachev (1976), S.S. Kharkevich (1989), M.G. Popov and data of herbariums BIN RAN (LE) and SpbGU (LECB). The zone of weediness is determined after V.V. Nikitin (1983), T.N. Ul.yanova (1981; 1993; 1998), I.T. Vasil.chenko & O.A. Pidotti (1975) and specified according to data on abundance, frequency of occurrence or weediness of the weed, taken from the below-mentioned references (except "Manuals" and "Floras").

Sources of the data:

Artokhin, K.S. 2004. Atlas of Weed plants. Rostov-na-Donu. 144 p. (in Russian).
Bagmet, L.V. 2000. Brief review of crop contamination of the Saratov region. In: State and development of herbology on XXI century threshold. Golitsino: VNIIF. P. 39-42. (in Russian).
Grossgeim A.A. 1952. Flora of the Caucasus. V. 5. Moscow,; Leningrad: AN SSSR. 400 p. (in Russian).
Hulten, E., Fries, M. 1986. Atlas of North European vascular plants, North of the Tropic of cancer: In 3 v. Konigstein. 1172 p. (in English).
Kharkhevich S.S., ed. 1989. Vascular plants of the Soviet Far East. Leningrad: Nauka. V. 4. 350 p. (in Russian).
Nikitin, V.V. 1983. Weed plants of the USSR flora. Leningrad: Nauka. 454 p. (in Russian).
Popov, M.G. 1957. Flora of Middle Siberia. Moscow; Leningrad: AN SSSR. 558 p. (in Russian).
Shishkin, B.K. & Bobrov, E.G., eds. 1948. Flora of the USSR. V. 13. Moscow; Leningrad: AN SSSR. 588 p. (in Russian).
Tanskii, V.I. et al. 1998. Phytosanitary diagnostics in integrated management of cereals. In: Novozhilov, K.V., ed. Compendium of methodical recommendations in plant protection. St.Petersburg: VIZR. P.5-55 (in Russian).
Tolmachev, A.I., ed. 1976. Flora of North-East of the European part of the USSR. V.2. Leningrad: Nauka. P. 294 (in Russian).
Ul.yanova, T.N. 1981. Weed plants in wheat of the USSR. In: Catalog of VIR world collection, Issue 320. Leningrad: VIR. 19 p. (in Russian).
Ul.yanova, T.N. 1993. Useful weed plants in flora of the USSR. In: Catalogue of world collection of VIR. Issue 643. Saint-Petersburg: VIR. 160 p. (in Russian).
Ul.yanova, T.N. 1998. Weed plants in flora of Russia and other FSU countries. Saint-Petersburg: VIR. 233 p. (in Russian).
Vasil.chenko, I.T. & Pidotti, O.A. 1975. Keys to weed plants of areas of irrigated agriculture. Leningrad: Kolos. 375 p. (in Russian).
Volkov, A.N., ed. 1935. The regions of the distribution of the main weeds in the USSR. Moscow; Leningrad: Publishing House of Kolkhoz & Sovkhoz Literature. 153 p. (in Russian).

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