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Statements

Subject Item
n2:RIV%2F00216224%3A14310%2F05%3A00013891%21RIV10-MSM-14310___
rdf:type
skos:Concept n19:Vysledek
dcterms:description
Variables determining the number of native and alien plants on arable land in Central Europe are identified. Species richness of 698 samples of weed floras recorded in the Czech Republic in plots of a standard size of 100 m2 in 1955-2000 was studied in relation to altitudinally based floristic region, soil type, type of cultivated crop, climatic variables, altitude, year of the record, crop cover and height, and human population density in the region. Vascular plant species were classified into native and alien, the latter divided in archaeophytes, introduced before AD 1500, and neophytes, introduced after this date. The use of minimal adequate models in the analysis of covariance allowed determination of the net effects of mutually correlated environmental variables. Models for particular species groups explained 33-48% of variation in species numbers and 27-51% in proportions; however, explanatory variables affected native species, archaeophytes, and neophytes differently. Variables determining the number of native and alien plants on arable land in Central Europe are identified. Species richness of 698 samples of weed floras recorded in the Czech Republic in plots of a standard size of 100 m2 in 1955-2000 was studied in relation to altitudinally based floristic region, soil type, type of cultivated crop, climatic variables, altitude, year of the record, crop cover and height, and human population density in the region. Vascular plant species were classified into native and alien, the latter divided in archaeophytes, introduced before AD 1500, and neophytes, introduced after this date. The use of minimal adequate models in the analysis of covariance allowed determination of the net effects of mutually correlated environmental variables. Models for particular species groups explained 33-48% of variation in species numbers and 27-51% in proportions; however, explanatory variables affected native species, archaeophytes, and neophytes differently.
dcterms:title
Alien plants in temperate weed communities: prehistoric and recent invaders occupy different habitats Alien plants in temperate weed communities: prehistoric and recent invaders occupy different habitats
skos:prefLabel
Alien plants in temperate weed communities: prehistoric and recent invaders occupy different habitats Alien plants in temperate weed communities: prehistoric and recent invaders occupy different habitats
skos:notation
RIV/00216224:14310/05:00013891!RIV10-MSM-14310___
n3:aktivita
n5:Z n5:P
n3:aktivity
P(GA526/00/1443), Z(AV0Z60050516), Z(MSM 143100010), Z(MSM0021620828), Z(MSM0021622416)
n3:cisloPeriodika
3
n3:dodaniDat
n7:2010
n3:domaciTvurceVysledku
n10:3447456 n10:2938219
n3:druhVysledku
n14:J
n3:duvernostUdaju
n12:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
511725
n3:idVysledku
RIV/00216224:14310/05:00013891
n3:jazykVysledku
n18:eng
n3:klicovaSlova
agricultural management; archaeophytes; biological invasions; Central Europe; climate; crop characteristics; exotic species; invasion history; Neolithic agriculture; neophytes; soil type
n3:klicoveSlovo
n9:neophytes n9:Neolithic%20agriculture n9:Central%20Europe n9:biological%20invasions n9:exotic%20species n9:invasion%20history n9:archaeophytes n9:soil%20type n9:climate n9:crop%20characteristics n9:agricultural%20management
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[C68684A554AD]
n3:nazevZdroje
Ecology
n3:obor
n17:EH
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
6
n3:projekt
n13:GA526%2F00%2F1443
n3:rokUplatneniVysledku
n7:2005
n3:svazekPeriodika
86
n3:tvurceVysledku
Jarošík, Vojtěch Tichý, Lubomír Chytrý, Milan Wild, Jan Pyšek, Petr Kropáč, Zdeněk
n3:zamer
n6:MSM0021622416 n6:AV0Z60050516 n6:MSM%20143100010 n6:MSM0021620828
s:issn
0012-9658
s:numberOfPages
14
n16:organizacniJednotka
14310