Effects of different cultivation types on native and alien weed species richness and diversity in Moravia (Czech Republic)

Lososová, Zdeňka; Cimalová, Šárka

doi:10.1016/j.baae.2008.11.001

Cited by 27 publications

(25 citation statements)

References 22 publications

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“…As for individual crops under conventional and organic farming, greater β-diversity was recorded for the root crops and winter cereals, respectively (Figure 3). Lososová and Cimalová (2009) found a higher β-diversity in root crops when compared to cereals. Conversely, Šilc (2008) recorded a higher β-diversity in cereals when compared to root crops but also confirmed a declining trend with increasing altitude with a significant decrease at the altitude of 600 m. The decline in β-diversity occurred from west to east.…”

Section: Resultsmentioning

confidence: 99%

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

Kolářová¹,

Tyšer²,

Soukup³

2013

Plant Soil Environ.

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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 m 2 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.

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Section: Resultsmentioning

confidence: 99%

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

Kolářová¹,

Tyšer²,

Soukup³

2013

Plant Soil Environ.

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“…Climatic factors and management practices have been shown to determine the weed species composition both in the Czech Republic and Hungary (Lososová & Cimalová 2009;Pinke et al 2009Pinke et al , 2010Pinke et al , 2011bPinke et al , 2012. Kikvidze et al (2011) found that species richness correlated positively with a composite climate variable, which is the product of maximum temperature and precipitation.…”

Section: Introductionmentioning

confidence: 99%

Can management intensity be more important than environmental factors? A case study along an extreme elevation gradient from central Italian cereal fields

Pál

Pinke

Botta‐Dukát

et al. 2013

Plant Biosystems - An International Journal Dealing with all As

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The paper aims to assess the importance of environmental and management factors determining the weed species composition along a strong elevation gradient. 76 cereal fields (39 low input and 37 intensively-managed) were sampled along an elevation gradient in Central Italy. Explanatory variables were recorded for each field to elucidate the role of largescale spatial trends, site specific, abiotic environmental conditions and field management characters. Redundancy analysis was used to assess the relative importance of each environmental variable in explaining the variation in species composition. Our results indicate that variation in weed species composition is strongly determined by altitude, mean annual precipitation, mean annual temperature and also by different soil characteristics. However, the level of intensification proved to be the most influential variable. There was a significant difference in species richness and composition between low input and intensively managed fields. Intensification leads to considerable species loss at both lower and higher elevations. Low input fields had 296 species in total, while intensively-managed fields had only 196.

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“…Recently, a large number of papers have documented the problem of maintaining conservation values for agrocoenoses in relation to the intensification of crop production. In Europe as well as in Asia, for cereal and root crops, a decrease in biodiversity has been noted, as exemplified by the abandonment of unprofitable crops (especially in middle and higher mountain elevations) and intensification of the production of others [54][55][56][57][58][59][60].…”

Section: Introductionmentioning

confidence: 99%

Weed communities of root crops in the Pamir Alai Mts, Tajikistan (Middle Asia)

Nowak

2013

Acta Soc Bot Pol

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The paper presents the results of investigations of weed vegetation conducted on root crops in Tajikistan (Middle Asia), one of the world cradles of weed flora. The main research was conducted in the Zeravshanian, southern Tajikistan and Hissar-Darvasian geobotanical regions in 2011. The study was based on 107 phytosociological relevés obtained in various geobotanical regions of the country. The collected material probably presents the majority of variations among the weed communities of root cultivations in the Middle Asia. As a result of numerical analyses, 7 associations were distinguished: Convolvulo arvensis-Cyperetum rotundi, Daturo stramonii-Hibiscetum trioni, Setario pumilae-Sorghetum halepensi, Galinsogo-Setarietum, Equiseto arvensi-Xanthietum italici, Portulacetum oleracei and Brassico campestris-Lamietum amplexicauli. The last mentioned is new to science. Additionally, one subassociation has been proposed (Convolvulo arvensis-Cyperetum rotundi kochietosum scopariae). The main discrimination factor for the data set is the floristic structure of the associations. The study shows that root-crop plantations with segetal vegetation may harbor a relatively rich flora. Almost 200 species were found in vegetation plots, including some, which are rare and have not been recorded until now in this part of Middle Asia. However, most of the recorded species are widespread weeds typical for the Mediterranean and Irano-Turanian geobotanical provinces.

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Effects of different cultivation types on native and alien weed species richness and diversity in Moravia (Czech Republic)

Cited by 27 publications

References 22 publications

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

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

Can management intensity be more important than environmental factors? A case study along an extreme elevation gradient from central Italian cereal fields

Weed communities of root crops in the Pamir Alai Mts, Tajikistan (Middle Asia)

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