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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F14%3A10189705%21RIV15-MSM-11310___
rdf:type
n12:Vysledek skos:Concept
rdfs:seeAlso
http://dx.doi.org/10.1111/1365-2745.12181
dcterms:description
The degree of dispersion of trait values among species in a community has frequently been used to infer processes of community assembly. However, multiple assembly processes can lead to the same pattern of trait dispersion or the same process can lead to different patterns of dispersion. In particular, competitive processes can lead both to trait overdispersion (if the trait controls niche differentiation and only substantial differences allow coexistence) or to trait underdispersion (if the trait controls position in a competitive hierarchy and only similar values enhance coexistence). Because different traits are likely to contribute to stabilizing (niche differentiation) and equalizing (competitive hierarchies) mechanisms of coexistence, we compare the role of dispersion of a number of individual traits for species diversity by conducting in silico experiments using field-parameterized spatially explicit models of communities of clonally growing plants. We manipulate both dispersion and means of different traits and examine consequent changes of species diversity in the whole community. We hypothesize that growth traits, which are directly linked to resource acquisition, are likely related to position in competitive hierarchies and thus diversity and trait dispersion will be negatively associated. In contrast, we hypothesize that architectural traits, which control spatial deployment of new plants and are thus less directly linked to resource acquisition, are more likely to be linked to niche differentiation and thus diversity and trait dispersion will be positively associated. The degree of dispersion of trait values among species in a community has frequently been used to infer processes of community assembly. However, multiple assembly processes can lead to the same pattern of trait dispersion or the same process can lead to different patterns of dispersion. In particular, competitive processes can lead both to trait overdispersion (if the trait controls niche differentiation and only substantial differences allow coexistence) or to trait underdispersion (if the trait controls position in a competitive hierarchy and only similar values enhance coexistence). Because different traits are likely to contribute to stabilizing (niche differentiation) and equalizing (competitive hierarchies) mechanisms of coexistence, we compare the role of dispersion of a number of individual traits for species diversity by conducting in silico experiments using field-parameterized spatially explicit models of communities of clonally growing plants. We manipulate both dispersion and means of different traits and examine consequent changes of species diversity in the whole community. We hypothesize that growth traits, which are directly linked to resource acquisition, are likely related to position in competitive hierarchies and thus diversity and trait dispersion will be negatively associated. In contrast, we hypothesize that architectural traits, which control spatial deployment of new plants and are thus less directly linked to resource acquisition, are more likely to be linked to niche differentiation and thus diversity and trait dispersion will be positively associated.
dcterms:title
Community assembly by limiting similarity vs. competitive hierarchies: testing the consequences of dispersion of individual traits Community assembly by limiting similarity vs. competitive hierarchies: testing the consequences of dispersion of individual traits
skos:prefLabel
Community assembly by limiting similarity vs. competitive hierarchies: testing the consequences of dispersion of individual traits Community assembly by limiting similarity vs. competitive hierarchies: testing the consequences of dispersion of individual traits
skos:notation
RIV/00216208:11310/14:10189705!RIV15-MSM-11310___
n3:aktivita
n13:I n13:P
n3:aktivity
I, P(GA13-17118S), P(GAP505/12/1007)
n3:cisloPeriodika
1
n3:dodaniDat
n16:2015
n3:domaciTvurceVysledku
n20:8993971
n3:druhVysledku
n11:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n14:predkladatel
n3:idSjednocenehoVysledku
7892
n3:idVysledku
RIV/00216208:11310/14:10189705
n3:jazykVysledku
n6:eng
n3:klicovaSlova
trait manipulation; process from pattern inference; parameterized model; growth traits; determinants of plant community diversity and structure; community diversity; clonal plants; architectural traits
n3:klicoveSlovo
n4:community%20diversity n4:architectural%20traits n4:growth%20traits n4:trait%20manipulation n4:process%20from%20pattern%20inference n4:parameterized%20model n4:determinants%20of%20plant%20community%20diversity%20and%20structure n4:clonal%20plants
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[0DA1EF599388]
n3:nazevZdroje
Journal of Ecology
n3:obor
n18:EH
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
2
n3:projekt
n9:GA13-17118S n9:GAP505%2F12%2F1007
n3:rokUplatneniVysledku
n16:2014
n3:svazekPeriodika
102
n3:tvurceVysledku
Herben, Tomáš Goldberg, Deborah E.
n3:wos
000328555600018
s:issn
0022-0477
s:numberOfPages
11
n7:doi
10.1111/1365-2745.12181
n17:organizacniJednotka
11310