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Statements

Subject Item
n2:RIV%2F00023272%3A_____%2F14%3A%230002462%21RIV15-MK0-00023272
rdf:type
skos:Concept n14:Vysledek
dcterms:description
Among populations of the Miniopterus bats of western Palaearctic, intraspecific variation has not been well documented. Herein we investigate sexual and age variation of these populations using two approaches linear and geometric morphometrics. We analysed Moroccan (M. maghrebesnis), western and eastern European (M. schreibersii), Levantine (M. schreibersii), and east-Afghanistani (M. cf. fuliginosus) specimens; variation was compared between sexes of the particular specimen sets of three above mentioned Miniopterus spp. and between four age cohorts of M. schreibersii samples. The results showed in all examined population sets males to be generally larger in size than females, the exception being the east-European animals. Significatly the most divergent sexes were those from eastern Afghanistan, the Levant and eastern Europe. The differences found between sexes in as well as between examined population sets can be attributed to different life histories and/or to food competition. Weak correlations between patterns of sexual dimorphism and the newly proposed western Palaearctic classification of the Miniopterus bats suggest only a limited contribution of sexual variation to morphological variation in general. Certain aspects of age variaton were found in all examined morphological characters except the non-metric traits, which in turn indicates the importance of these traits for identification of the particular taxon across age categories. Among populations of the Miniopterus bats of western Palaearctic, intraspecific variation has not been well documented. Herein we investigate sexual and age variation of these populations using two approaches linear and geometric morphometrics. We analysed Moroccan (M. maghrebesnis), western and eastern European (M. schreibersii), Levantine (M. schreibersii), and east-Afghanistani (M. cf. fuliginosus) specimens; variation was compared between sexes of the particular specimen sets of three above mentioned Miniopterus spp. and between four age cohorts of M. schreibersii samples. The results showed in all examined population sets males to be generally larger in size than females, the exception being the east-European animals. Significatly the most divergent sexes were those from eastern Afghanistan, the Levant and eastern Europe. The differences found between sexes in as well as between examined population sets can be attributed to different life histories and/or to food competition. Weak correlations between patterns of sexual dimorphism and the newly proposed western Palaearctic classification of the Miniopterus bats suggest only a limited contribution of sexual variation to morphological variation in general. Certain aspects of age variaton were found in all examined morphological characters except the non-metric traits, which in turn indicates the importance of these traits for identification of the particular taxon across age categories.
dcterms:title
Sexual variation and age size variation in the western Palaearctic populations of Miniopterus bats (Chiroptera: Miniopteridae) Sexual variation and age size variation in the western Palaearctic populations of Miniopterus bats (Chiroptera: Miniopteridae)
skos:prefLabel
Sexual variation and age size variation in the western Palaearctic populations of Miniopterus bats (Chiroptera: Miniopteridae) Sexual variation and age size variation in the western Palaearctic populations of Miniopterus bats (Chiroptera: Miniopteridae)
skos:notation
RIV/00023272:_____/14:#0002462!RIV15-MK0-00023272
n3:aktivita
n16:I
n3:aktivity
I
n3:cisloPeriodika
3
n3:dodaniDat
n9:2015
n3:domaciTvurceVysledku
n11:9853162
n3:druhVysledku
n4:J
n3:duvernostUdaju
n7:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
44654
n3:idVysledku
RIV/00023272:_____/14:#0002462
n3:jazykVysledku
n12:eng
n3:klicovaSlova
Miniopterus; western Palaearctic; geometric morphometrics; morphology; sexual dimorphism; age variation
n3:klicoveSlovo
n5:geometric%20morphometrics n5:morphology n5:sexual%20dimorphism n5:western%20Palaearctic n5:age%20variation n5:Miniopterus
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[36B3672BB9A3]
n3:nazevZdroje
Folia Zoologica
n3:obor
n15:EG
n3:pocetDomacichTvurcuVysledku
1
n3:pocetTvurcuVysledku
2
n3:rokUplatneniVysledku
n9:2014
n3:svazekPeriodika
63
n3:tvurceVysledku
Šrámek, Jan Benda, Petr
n3:wos
000346330800009
s:issn
0139-7893
s:numberOfPages
12