Diversity of current weed vegetation on arable land in selected areas of the Czech Republic

M. Kolářová, L. Tyšer and J. Soukup
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M. Kolářová: Department of Agroecology and Biometeorology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic
L. Tyšer: Department of Agroecology and Biometeorology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic
J. Soukup: Department of Agroecology and Biometeorology, Faculty of Agrobiology, Food and Natural Resources, Czech University of Life Sciences Prague, Prague, Czech Republic

Plant, Soil and Environment, 2013, vol. 59, issue 5, 208-213

Abstract: This paper reports on the within-habitat (α) and on the between-habitat (β) diversity of weed vegetation on arable land in the Czech Republic, influenced by management systems, crops grown and altitude. A phytocoenological survey was conducted from 2006 to 2008 during a vegetation period using relevés that were 100 m2 in size, placed in the central part of fields. The species richness and the mean Sørensen dissimilarity were calculated. The statistically significant effects of the type of farming and altitude on species richness were recorded. The average species numbers in one relevé reached 9.17 and 21.17 in conventional and organic farming, respectively. In both management systems, an increasing number of species was recorded with increasing altitude. Statistically significant effects of all the variables were observed when evaluating β-diversity. Higher β-diversity was found in conventional farming.

Keywords: altitude; farming system; weed diversity; wide-row crops; winter cereals (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlpse:v:59:y:2013:i:5:id:783-2012-pse

DOI: 10.17221/783/2012-PSE

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