Vestnik of Orenburg State Pedagogical University. Electronic Scientific Journal. 2019. № 1(29). P. 22—29

 

03.00.00 BIOLOGICAL SCIENCES

[581.9+581.524.2](470.56)

Pikalova Ekaterina Vasilievna, Candidate of Biological Sciences
Orenburg State University

 

DISTRIBUTION AND MORPHOMETRY OF Cyclachaena xanthiifolia (Nutt.) Fresen AND Ambrosia trifida L. IN THE CENTRAL DISTRICTS OF THE ORENBURG REGION

Abstract

The article provides information on the spread of invasive species Ambrosia trifida L. and Cyclachaenа xanthiifolia (Nutt.) Fresen in the central regions of the region; analyzes the morphometric indicators and evaluates their variability. The parameters of ambrosiа and cyclachaenа vary in the range of medium — very high levels, which is determined by the habitat conditions in each particular area of research. Long-term studies of these species show a successful expansion of their secondary range within the Central districts of the Orenburg region.

Key words

Ambrosia trifida, Cyclachaena xanthiifolia, invasive species, variation of parameters, morphometry.

DOI: https://doi.org/10.32516/2303-9922.2019.29.3

The full text of the article PDF (Russian)

 

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Bibliography link to this article:

Pikalova E. V. Distribution and morphometry of Cyclachaena xanthiifolia (Nutt.) Fresen and Ambrosia trifida L. in the Central districts of the Orenburg region. Vestnik of Orenburg State Pedagogical University. Electronic Scientific Journal, 2019, no. 1 (29), pp. 22—29. DOI: https://doi.org/10.32516/2303-9922.2019.29.3.