About: Declining genetic diversity and increasing genetic isolation toward the range periphery of Stipa pennata, a Eurasian Feather Grass

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About: Declining genetic diversity and increasing genetic isolation toward the range periphery of Stipa pennata, a Eurasian Feather Grass Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	A common assumption in ecology and evolutionary biology is that genetic diversity declines and differentiation increases toward the edge of a species’ geographic range, where populations tend to be smaller and more isolated. We tested these predictions in a characteristic Eurasian steppe plant, Stipa pennata, by inspecting 230 AFLP bands in 26 populations (345 individuals) along a 3300-km longitudinal gradient from the range core, in Russia, to the range periphery, in central Europe. Overall, our study species showed low genetic diversity within populations (mean proportion of polymorphic) and moderately high genetic differentiation among them (mean). As predicted, genetic diversity declined significantly from the range core to the periphery but was not correlated with population size. Pairwise genetic differentiation was significantly higher among peripheral populations than central populations but did not show a pronounced relationship with geographic distance. A common assumption in ecology and evolutionary biology is that genetic diversity declines and differentiation increases toward the edge of a species’ geographic range, where populations tend to be smaller and more isolated. We tested these predictions in a characteristic Eurasian steppe plant, Stipa pennata, by inspecting 230 AFLP bands in 26 populations (345 individuals) along a 3300-km longitudinal gradient from the range core, in Russia, to the range periphery, in central Europe. Overall, our study species showed low genetic diversity within populations (mean proportion of polymorphic) and moderately high genetic differentiation among them (mean). As predicted, genetic diversity declined significantly from the range core to the periphery but was not correlated with population size. Pairwise genetic differentiation was significantly higher among peripheral populations than central populations but did not show a pronounced relationship with geographic distance. (en)
Title	Declining genetic diversity and increasing genetic isolation toward the range periphery of Stipa pennata, a Eurasian Feather Grass Declining genetic diversity and increasing genetic isolation toward the range periphery of Stipa pennata, a Eurasian Feather Grass (en)
skos:prefLabel	Declining genetic diversity and increasing genetic isolation toward the range periphery of Stipa pennata, a Eurasian Feather Grass Declining genetic diversity and increasing genetic isolation toward the range periphery of Stipa pennata, a Eurasian Feather Grass (en)
skos:notation	RIV/67985939:_____/12:00385441!RIV13-AV0-67985939
http://linked.open...avai/riv/aktivita	I P Z
http://linked.open...avai/riv/aktivity	I, P(LC06073), Z(AV0Z60050516), Z(MSM0021622416)
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Danihelka, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Botanický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	129779
http://linked.open...ai/riv/idVysledku	RIV/67985939:_____/12:00385441
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	AFLP; fragmentation; geographic distribution (en)
http://linked.open.../riv/klicoveSlovo	geographic distribution AFLP fragmentation
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[9859482714E0]
http://linked.open...i/riv/nazevZdroje	International Journal of Plant Sciences
http://linked.open...in/vavai/riv/obor	EF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Biodiversity Research Center
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	173
http://linked.open...iv/tvurceVysledku	Danihelka, Jiří Wagner, V. Hensen, I. Ruprecht, E. Treiber, J. Wesche, K.
http://linked.open...ain/vavai/riv/wos	000308164600006
http://linked.open...n/vavai/riv/zamer	Struktura, funkce a evoluce biodiversity fotoautotrofních organismů a hub: původ a příčiny jejich proměnlivosti, dynamika populací, společenstev a ekosystémů; využití vybraných výsledků k rozvoji Průhonického parku Diversity of Biotic Communities and Populations: Causal Analysis of variation in space and time
issn	1058-5893
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.1086/666663

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