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Statements

Subject Item
n2:RIV%2F60076658%3A12310%2F08%3A00009824%21RIV09-GA0-12310___
rdf:type
n11:Vysledek skos:Concept
dcterms:description
Přestože rypoš stříbřitý patří k rypošům s největším areálem, o jeho populační biologii existuje jen minimum informací. Námi studovaná populace v porostech miomba měla velmi nízkou populační hustotu a distribuce jednotlivých zvířat byla náhodná. Oproti mláďatům byl poměr pohlaví dospělců posunut v neprospěch samců (1:5.75). Za tento jev pravděpodobně může nadzemní aktivita samců během období páření spojená s jejich vyšší predovaností. Podzemní systémy byly dlouhé rozvětvené a srovnatelné svou strukturou se sociálními podzemními druhy. Větší jedinci měli systémy více rozvětvené The silvery mole-rat Heliophobius argenteocinereus (Bathyergidae) is a solitary subterranean rodent, widely distributed throughout eastern and south-eastern Africa in a variety of habitats. Here, we provide the first data on its biology in a typical natural habitat, the Brachystegia woodland. The population density of mole-rats was low (4.6 ha-1) and its distribution across the study site was random. Contrary to subadults and pups, the sex ratio of adult mole-rats was highly female biased (1:5.75), probably due to the higher mortality of males as a consequence of their mating strategy. Reproduction of Heliophobius is seasonal and pups are born at the beginning of the hot dry season. Burrow systems of the silvery mole-rat were long, highly branched, reticulated and comparable in fractal dimension to systems of social bathyergids. Variability in burrow architecture was related to the body mass of the burrow occupants, soil hardness and food supply when tested together. Burrow systems with a higher fra The silvery mole-rat Heliophobius argenteocinereus (Bathyergidae) is a solitary subterranean rodent, widely distributed throughout eastern and south-eastern Africa in a variety of habitats. Here, we provide the first data on its biology in a typical natural habitat, the Brachystegia woodland. The population density of mole-rats was low (4.6 ha-1) and its distribution across the study site was random. Contrary to subadults and pups, the sex ratio of adult mole-rats was highly female biased (1:5.75), probably due to the higher mortality of males as a consequence of their mating strategy. Reproduction of Heliophobius is seasonal and pups are born at the beginning of the hot dry season. Burrow systems of the silvery mole-rat were long, highly branched, reticulated and comparable in fractal dimension to systems of social bathyergids. Variability in burrow architecture was related to the body mass of the burrow occupants, soil hardness and food supply when tested together. Burrow systems with a higher fra
dcterms:title
Architektura podzemních systémů a biologie rypoše stříbřitého v miombu Natural history and burrow system architecture of the silvery mole-rat from Brachystegia woodland Natural history and burrow system architecture of the silvery mole-rat from Brachystegia woodland
skos:prefLabel
Architektura podzemních systémů a biologie rypoše stříbřitého v miombu Natural history and burrow system architecture of the silvery mole-rat from Brachystegia woodland Natural history and burrow system architecture of the silvery mole-rat from Brachystegia woodland
skos:notation
RIV/60076658:12310/08:00009824!RIV09-GA0-12310___
n4:aktivita
n6:P n6:Z
n4:aktivity
P(GP206/04/P116), Z(MSM6007665801)
n4:cisloPeriodika
1
n4:dodaniDat
n7:2009
n4:domaciTvurceVysledku
n18:7239645 n18:5764106 n18:5947138
n4:druhVysledku
n8:J
n4:duvernostUdaju
n10:S
n4:entitaPredkladatele
n15:predkladatel
n4:idSjednocenehoVysledku
381798
n4:idVysledku
RIV/60076658:12310/08:00009824
n4:jazykVysledku
n16:eng
n4:klicovaSlova
Heliophobius; Bathyergidae; burrow architecture; population biology; sex ratio; fractal dimension
n4:klicoveSlovo
n9:sex%20ratio n9:fractal%20dimension n9:burrow%20architecture n9:Heliophobius n9:population%20biology n9:Bathyergidae
n4:kodStatuVydavatele
US - Spojené státy americké
n4:kontrolniKodProRIV
[3E948A7DABBF]
n4:nazevZdroje
Journal of Zoology
n4:obor
n17:EG
n4:pocetDomacichTvurcuVysledku
3
n4:pocetTvurcuVysledku
5
n4:projekt
n14:GP206%2F04%2FP116
n4:rokUplatneniVysledku
n7:2008
n4:svazekPeriodika
274
n4:tvurceVysledku
Burda, Hynek Chitaukali, W. Šumbera, Radim Elichová, Markéta Šklíba, Jan
n4:wos
000251739900012
n4:zamer
n19:MSM6007665801
s:issn
0952-8369
s:numberOfPages
8
n13:organizacniJednotka
12310