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Statements

Subject Item
n2:RIV%2F60076658%3A12310%2F09%3A00010355%21RIV10-MSM-12310___
rdf:type
n13:Vysledek skos:Concept
dcterms:description
The skull of most subterranean tooth-digging rodents is markedly affected by their digging mode. In the present study, we investigated the cranial variation in a strictly subterranean, highly specialized Afrotropical tooth-digger, Heliophobius argenteocinereus (Bathyergidae, Rodentia), using a geometric morphometric approach and evaluated the effect of different factors on size and shape differences among four populations. No evidence for sexual dimorphism was found in skull size or shape. The cranial shape variation was large and influenced mainly by the type of habitat (miombo woodland versus farmland and grassland) and the latitudinal gradient. The dorsal side of the skull appears to be more plastic and adaptable to local environments, as well as more independent of size, than the ventral side. Only the shortening of the rostrum is presumably an adaptive process independent of size that leads to an increase of efficacy of the tooth-digging apparatus in Heliophobius, whereas the increase in the in-f The skull of most subterranean tooth-digging rodents is markedly affected by their digging mode. In the present study, we investigated the cranial variation in a strictly subterranean, highly specialized Afrotropical tooth-digger, Heliophobius argenteocinereus (Bathyergidae, Rodentia), using a geometric morphometric approach and evaluated the effect of different factors on size and shape differences among four populations. No evidence for sexual dimorphism was found in skull size or shape. The cranial shape variation was large and influenced mainly by the type of habitat (miombo woodland versus farmland and grassland) and the latitudinal gradient. The dorsal side of the skull appears to be more plastic and adaptable to local environments, as well as more independent of size, than the ventral side. Only the shortening of the rostrum is presumably an adaptive process independent of size that leads to an increase of efficacy of the tooth-digging apparatus in Heliophobius, whereas the increase in the in-f
dcterms:title
Variation in the digging apparatus of the subterranean silvery mole-rat, Heliophobius argenteocinereus (Rodentia, Bathyergidae): the role of ecology and geography Variation in the digging apparatus of the subterranean silvery mole-rat, Heliophobius argenteocinereus (Rodentia, Bathyergidae): the role of ecology and geography
skos:prefLabel
Variation in the digging apparatus of the subterranean silvery mole-rat, Heliophobius argenteocinereus (Rodentia, Bathyergidae): the role of ecology and geography Variation in the digging apparatus of the subterranean silvery mole-rat, Heliophobius argenteocinereus (Rodentia, Bathyergidae): the role of ecology and geography
skos:notation
RIV/60076658:12310/09:00010355!RIV10-MSM-12310___
n4:aktivita
n11:Z
n4:aktivity
Z(MSM6007665801)
n4:cisloPeriodika
4
n4:dodaniDat
n7:2010
n4:domaciTvurceVysledku
n9:7750293 n9:5947138
n4:druhVysledku
n15:J
n4:duvernostUdaju
n12:S
n4:entitaPredkladatele
n14:predkladatel
n4:idSjednocenehoVysledku
348481
n4:idVysledku
RIV/60076658:12310/09:00010355
n4:jazykVysledku
n17:eng
n4:klicovaSlova
functional morphology; geometric morphometrics; skull; rodent
n4:klicoveSlovo
n6:skull n6:rodent n6:functional%20morphology n6:geometric%20morphometrics
n4:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n4:kontrolniKodProRIV
[35AFA660BBD7]
n4:nazevZdroje
Biological Journal of the Linnean Society
n4:obor
n16:EG
n4:pocetDomacichTvurcuVysledku
2
n4:pocetTvurcuVysledku
3
n4:rokUplatneniVysledku
n7:2009
n4:svazekPeriodika
97
n4:tvurceVysledku
Barčiová, Lenka Burda, Hynek Šumbera, Radim
n4:wos
000268260700011
n4:zamer
n5:MSM6007665801
s:issn
0024-4066
s:numberOfPages
11
n18:organizacniJednotka
12310