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Statements

Subject Item
n2:RIV%2F00216208%3A11620%2F12%3A10124091%21RIV13-MSM-11620___
rdf:type
n13:Vysledek skos:Concept
rdfs:seeAlso
http://dx.doi.org/10.1038/nature11226
dcterms:description
Despite the broad conceptual and applied relevance of how the number of species or endemics changes with area (the species-area and endemics-area relationships (SAR and EAR)), our understanding of universality and pervasiveness of these patterns across taxa and regions has remained limited. The SAR has traditionally been approximated by a power law(1), but recent theories predict a triphasic SAR in logarithmic space, characterized by steeper increases in species richness at both small and large spatial scales(2-6). Here we uncover such universally upward accelerating SARs for amphibians, birds and mammals across the world's major landmasses. Although apparently taxon-specific and continent-specific, all curves collapse into one universal function after the area is rescaled by using the mean range sizes of taxa within continents. In addition, all EARs approximately follow a power law with a slope close to 1, indicating that for most spatial scales there is roughly proportional species extinction with area loss. These patterns can be predicted by a simulation model based on the random placement of contiguous ranges within a domain. The universality of SARs and EARs after rescaling implies that both total and endemic species richness within an area, and also their rate of change with area, can be estimated by using only the knowledge of mean geographic range size in the region and mean species richness at one spatial scale. Despite the broad conceptual and applied relevance of how the number of species or endemics changes with area (the species-area and endemics-area relationships (SAR and EAR)), our understanding of universality and pervasiveness of these patterns across taxa and regions has remained limited. The SAR has traditionally been approximated by a power law(1), but recent theories predict a triphasic SAR in logarithmic space, characterized by steeper increases in species richness at both small and large spatial scales(2-6). Here we uncover such universally upward accelerating SARs for amphibians, birds and mammals across the world's major landmasses. Although apparently taxon-specific and continent-specific, all curves collapse into one universal function after the area is rescaled by using the mean range sizes of taxa within continents. In addition, all EARs approximately follow a power law with a slope close to 1, indicating that for most spatial scales there is roughly proportional species extinction with area loss. These patterns can be predicted by a simulation model based on the random placement of contiguous ranges within a domain. The universality of SARs and EARs after rescaling implies that both total and endemic species richness within an area, and also their rate of change with area, can be estimated by using only the knowledge of mean geographic range size in the region and mean species richness at one spatial scale.
dcterms:title
Universal species-area and endemics-area relationships at continental scales Universal species-area and endemics-area relationships at continental scales
skos:prefLabel
Universal species-area and endemics-area relationships at continental scales Universal species-area and endemics-area relationships at continental scales
skos:notation
RIV/00216208:11620/12:10124091!RIV13-MSM-11620___
n13:predkladatel
n16:orjk%3A11620
n3:aktivita
n14:P n14:Z
n3:aktivity
P(GAP505/11/2387), Z(MSM0021620845)
n3:cisloPeriodika
7409
n3:dodaniDat
n12:2013
n3:domaciTvurceVysledku
n21:6398170
n3:druhVysledku
n11:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n8:predkladatel
n3:idSjednocenehoVysledku
176009
n3:idVysledku
RIV/00216208:11620/12:10124091
n3:jazykVysledku
n4:eng
n3:klicovaSlova
EVOLUTIONARY; MODEL; GEOMETRY; DIVERSITY; DISTRIBUTIONS; RANGE; RICHNESS; BIODIVERSITY; GLOBAL PATTERNS; SPATIAL TURNOVER
n3:klicoveSlovo
n7:RICHNESS n7:MODEL n7:EVOLUTIONARY n7:DISTRIBUTIONS n7:SPATIAL%20TURNOVER n7:RANGE n7:GLOBAL%20PATTERNS n7:GEOMETRY n7:BIODIVERSITY n7:DIVERSITY
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[3FFD0F59260F]
n3:nazevZdroje
Nature
n3:obor
n17:EH
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
3
n3:projekt
n20:GAP505%2F11%2F2387
n3:rokUplatneniVysledku
n12:2012
n3:svazekPeriodika
488
n3:tvurceVysledku
Jetz, Walter Storch, David Keil, Petr
n3:wos
000307010700036
n3:zamer
n18:MSM0021620845
s:issn
0028-0836
s:numberOfPages
4
n15:doi
10.1038/nature11226
n6:organizacniJednotka
11620