Matěj Lövy

Matěj Lövy
University of South Bohemia in České Budějovice · Faculty of Science

PhD

About

30
Publications
7,898
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625
Citations
Citations since 2017
14 Research Items
486 Citations
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2017201820192020202120222023020406080100120
2017201820192020202120222023020406080100120
2017201820192020202120222023020406080100120

Publications

Publications (30)
Article
Full-text available
Animals inhabiting high altitudes are exposed to low ambient temperatures and hypobaric hypoxic conditions. Such dual environmental pressure reinforces mechanisms to counteract demanding thermal environment and, at the same time, physiological constraints of reduced partial oxygen pressure. We investigated how a community of rodents inhabiting the...
Article
Abstract Bite force is an ecologically relevant performance trait that has been measured to better understand the adaptations to diet and habitat use. Moreover, bite force is relevant in understanding reproductive success, as well as inter‐ and intraspecific competition. African mole‐rats (Bathyergidae, Rodentia) are a unique clade of mammals that...
Article
Full-text available
Sensory systems are attractive evolutionary models to address how organisms adapt to local environments that can cause ecological speciation. However, tests of these evolutionary models have focused on visual, auditory, and olfactory senses. Here we show local adaptation of bitter taste receptor genes in two neighboring populations of a wild mammal...
Article
Full-text available
The relatively warm and very humid environment of burrows presents a challenge for thermoregulation of its mammalian inhabitants. It was found that African mole-rats dissipate body heat mainly through their venter, and social mole-rats dissipate more body heat compared to solitary species at lower temperatures. In addition, the pattern of the ventr...
Article
Full-text available
Abstract Speciation mechanisms remain controversial. Two speciation models occur in Israeli subterranean mole rats, genus Spalax: a regional speciation cline southward of four peripatric climatic chromosomal species and a local, geologic-edaphic, genic, and sympatric speciation. Here we highlight their genome evolution. The five species were separ...
Article
Abandoning of a stable body temperature (Tb), a phenomenon known as heterothermy, is an adaptation to cope mainly with a lack of food and water, especially in species inhabiting daily or seasonally variable environments. There is increasing evidence that African mammals avoid adverse conditions by heterothermy and eventually by entering torpor. Mem...
Article
Fossorial mammals are supposed to face hypoxic and hypercarpnic conditions, but such conditions have been rarely encountered in their natural burrow systems. Gas composition in burrows after heavy rains, deeper burrows and especially nest chambers, where animals usually spend most of the day, could be even more challenging than in shallow burrows....
Article
Full-text available
Key adaptations enabling mammals to cope with oxygen deficiency at high elevations relate to oxygen transfer into the blood. Among others, the efficiency of this mechanism depends on haematocrit (Hct, the volumetric fraction of red blood cells in blood). Although blood of high-elevation mammals is usually characterised by normal or slightly increas...
Article
Mammalian space‐use patterns are largely determined by the resources utilized as well as by given habitat characteristics, as can be illustrated by rodents displaying predominantly subterranean activity. These rodents are largely limited in their use of space by their burrow systems. This results in smaller home ranges than is usual for rodents of...
Article
Reproductive isolation is a fundamental part of speciation processes. The establishing of reproductive isolation in speciation with ongoing gene flow is unlikely unless divergent selection is overruling gene flow homogenization, which seems to be most effective when combined with non-random mating. We explored whether assortative mating via female...
Article
Animals become adapted to different habitats, which, under some circumstances, may lead to speciation. Such speciation can possibly take place even in sympatry, as has recently been suggested in the blind mole rat Spalax galili surveyed at a microsite where two soil types of ecologically contrasting characteristics, basaltic soil and rendzina soil,...
Article
Full-text available
Rodents adjust their activity to environmental conditions. The adjustment can be especially pronounced in climatically challenging environments. We studied activity patterns in the free-living giant root rat (Tachyoryctes macrocephalus), a large fossorial rodent endemic to the Afro-alpine ecosystem of the Bale Mountains, Ethiopia, by means of radio...
Article
Full-text available
Eusocial species of African mole-rats live in groups cooperating on multiple tasks and employing division of labour. In captivity, individuals of the same group differ in cooperative contribution as well as in preference for a particular task. Both can be viewed as polyethism. However, little information is available from free-ranging mole-rats, wh...
Article
Rodents with prevailing subterranean activity usually play an important role in the ecosystems of which they are a part due to the combined effect of herbivory and soil perturbation. This is also the case of the giant root-rat Tachyoryctes macrocephalus, Rüppell 1842, endemic to the Afroalpine ecosystem of the Bale Mountains, Ethiopia. We studied t...
Article
Full-text available
Significance Sympatric speciation (SS) has always been controversial since it was proposed by Darwin. Recently, we showed SS empirically in Spalax by amplified fragment-length polymorphism (AFLP), mitochondrial, and nuclear genomes. Similarly, SS in spiny mice, Acomys , from Evolution Canyon I (EC I), was earlier proposed by mtDNA and AFLP. Here, w...
Article
Full-text available
Significance Speciation is the basis of the origin of biodiversity in nature. Sympatric speciation (SS) is still a controversial model of the origin of new species, since first proposed by Darwin in 1859. Here, we complement earlier genomic evidence with new analyses of transcriptome profiling, DNA editing, and microRNA, examined in the blind subte...
Article
Subterranean rodents forage underground, which is energetically costly. Therefore, they can be expected to economize burrowing activity in response to food supply and soil characteristics. We analyzed the activity of radio-tracked blind mole rats, Spalax galili, on a locality sharply subdivided into harder but relatively food-rich, basaltic soil an...
Article
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A costly search for food in subterranean rodents resulted in various adaptations improving their foraging success under given ecological conditions. In Spalax ehrenbergi superspe-cies, adaptations to local ecological conditions can promote speciation, which was recently supposed to occur even in sympatry at sites where two soil types of contrasting...
Article
Full-text available
Predictable daily activity patterns have been detected repeatedly even in mammals living in stable environments, as is the case for subterranean rodents. Whereas studies on activity of these rodents under laboratory conditions almost exclusively have concerned themselves with the influence of light, many field studies have revealed signs of an asso...
Article
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From 2004 to 2006 we studied the spatial activity of Long-eared Owls (Asio otus) breeding in the city of České Budějovice, Czech Republic. Two main factors (size and proportion of home range in developed area) clearly distinguished the owls into two groups: urban (n = 5) and suburban (n = 4). Urban owls occupied home ranges >50% in developed area;...
Article
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Despite the considerable attention devoted to the biology of social species of African mole-rats (Bathyergidae, Rodentia), knowledge is lacking about their behaviour under natural conditions. We studied activity of the largest social bathyergid, the giant mole-rat Fukomys mechowii, in its natural habitat in Zambia using radio-telemetry. We radio-tr...
Article
Full-text available
Sympatric speciation has been controversial since it was first proposed as a mode of speciation. Subterranean blind mole rats (Spalacidae) are considered to speciate allopatrically or peripatrically. Here, we report a possible incipient sympatric adaptive ecological speciation in Spalax galili (2n = 52). The study microsite (0.04 km(2)) is sharply...
Article
The Ansell's mole-rat (Fukomys anselli, Bathyergidae) is a small-sized social subterranean rodent whose distribution is confined to the Lusaka area in Zambia. It is an established model species for various laboratory studies, but until now the knowledge of its biology under natural conditions has been limited. Here, we provide the first comprehensi...
Article
Information on habitat requirements and spatial ecology is vital in conservation strategies and management of particular species. Little Owl Athene noctua is a highly threatened owl species whose populations have significantly decreased or are locally extinct in many European countries. In this study we report on spatial ecology and habitat selecti...
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Full-text available
Among African mole-rats, the giant mole-rat Fukomys mechowii is the largest social species. Despite several attempts to study a free-living population, information on its biology from natural habitats is very scarce. We mapped two neighbouring burrow systems of the giant mole-rat in a miombo woodland in Zambia. We provide information on the size an...
Article
African mole-rats (Bathyergidae) are subterranean rodents with diverse social systems, which range from solitary to highly cooperative. The social systems are thought to reflect ecological conditions. We examined ecological characteristics in habitats occupied by two mole-rat species with different social systems in an area of sympatry in the Nyika...
Article
In seasonal climatic regimes, animals have to deal with changing environmental conditions. It is reasonable to expect that seasonal changes are reflected in animal overall energetics. The relation between daily energy expenditure (DEE) and seasonally variable ecological determinants has been studied in many free-living small mammals; however with i...
Article
Full-text available
We studied the dietary composition of urban populations of Common Kestrels (Falco tinnunculus) and Long-eared Owls (Asio otus) under fluctuating vole abundance in Ceske Budejovice during 2002-2005. Common Voles were the dominant prey. In poor vole years, the dietary proportion of alternative prey increased in both species. Long-eared Owls fed more...

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