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Statements

Subject Item
n2:RIV%2F00216208%3A11310%2F14%3A10292262%21RIV15-MSM-11310___
rdf:type
n14:Vysledek skos:Concept
dcterms:description
Quantitative analysis of macroecological patterns for late Pleistocene assemblages can be useful for disentangling the causes of late Quaternary extinctions (LQE). However, previous analyses have usually assumed linear relationships between macroecological traits, such as body size and range size/range shift, that may have led to erroneous interpretations. Here, we analyzed mammalian datasets to show how macroecological patterns support climate change as an important driver of the LQE, which is contrary to previous analyses that did not account for more complex relationships among traits. We employed quantile regression methods that allow a detailed and fine-tuned quantitative analysis of complex macroecological patterns revealed as polygonal relationships (i.e., constraint envelopes). We showed that these triangular-shaped envelopes that describe the macroecological relationship between body size and geographical range shift reflect nonrandom extinction processes under which the large-bodied species are more prone to extinction during events of severe habitat loss, such as glacial/interglacial transitions. Hence, we provide both a theoretical background and methodological framework to better understand how climate change induces body size-biased species sorting and shapes complex macroecological patterns. Quantitative analysis of macroecological patterns for late Pleistocene assemblages can be useful for disentangling the causes of late Quaternary extinctions (LQE). However, previous analyses have usually assumed linear relationships between macroecological traits, such as body size and range size/range shift, that may have led to erroneous interpretations. Here, we analyzed mammalian datasets to show how macroecological patterns support climate change as an important driver of the LQE, which is contrary to previous analyses that did not account for more complex relationships among traits. We employed quantile regression methods that allow a detailed and fine-tuned quantitative analysis of complex macroecological patterns revealed as polygonal relationships (i.e., constraint envelopes). We showed that these triangular-shaped envelopes that describe the macroecological relationship between body size and geographical range shift reflect nonrandom extinction processes under which the large-bodied species are more prone to extinction during events of severe habitat loss, such as glacial/interglacial transitions. Hence, we provide both a theoretical background and methodological framework to better understand how climate change induces body size-biased species sorting and shapes complex macroecological patterns.
dcterms:title
Constraint envelope analyses of macroecological patterns reveal climatic effects on Pleistocene mammal extinctions Constraint envelope analyses of macroecological patterns reveal climatic effects on Pleistocene mammal extinctions
skos:prefLabel
Constraint envelope analyses of macroecological patterns reveal climatic effects on Pleistocene mammal extinctions Constraint envelope analyses of macroecological patterns reveal climatic effects on Pleistocene mammal extinctions
skos:notation
RIV/00216208:11310/14:10292262!RIV15-MSM-11310___
n3:aktivita
n7:I
n3:aktivity
I
n3:cisloPeriodika
1
n3:dodaniDat
n6:2015
n3:domaciTvurceVysledku
Varela, Sara
n3:druhVysledku
n9:J
n3:duvernostUdaju
n12:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
8682
n3:idVysledku
RIV/00216208:11310/14:10292262
n3:jazykVysledku
n15:eng
n3:klicovaSlova
North America; Extinction risk; Climate changes; Habitat tracking; Range shift; Body size; Species sorting; Triangular-shaped envelopes; Quantile regression; Late Quaternary extinctions
n3:klicoveSlovo
n4:Species%20sorting n4:Late%20Quaternary%20extinctions n4:Triangular-shaped%20envelopes n4:Body%20size n4:Extinction%20risk n4:Habitat%20tracking n4:North%20America n4:Climate%20changes n4:Range%20shift n4:Quantile%20regression
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[29DB895E340D]
n3:nazevZdroje
Quaternary Research
n3:obor
n13:DB
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
4
n3:rokUplatneniVysledku
n6:2014
n3:svazekPeriodika
82
n3:tvurceVysledku
Hortal, Joaquin Varela, Sara Diniz-Filho, Jose Alexandre F. Lima-Ribeiro, Matheus S.
n3:wos
000339138400025
s:issn
0033-5894
s:numberOfPages
10
n5:organizacniJednotka
11310