Arvicolines (Arvicolinae, Rodentia) as Paleoenvironmental Proxies: Classification of Species Inhabiting the Central Part of Northern Eurasia Based on Environmental Preferences of Their Modern Representatives

Маркова, Е. А.; Strukova, T.V.; Бородин, А. В.

doi:10.1134/s1062359018070129

Cited by 13 publications

(3 citation statements)

References 20 publications

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“…Apodemus spp. would expand the spatial overlap with species such as M. glareolus which is well-adapted to cold environments (Butet and Delettre 2011, Markova et al 2018). This scenario is supported by our latitudinal comparison, which suggests a tendency to niche partitioning as sympatry establishes (Bartolommei et al, 2018), or species competition to the disadvantage of adaptable but subordinate species.…”

Section: Discussionmentioning

confidence: 99%

Food resources drive rodent population demography mediated by seasonality and inter-specific competition

Ferrari

Devineau²,

Tagliapietra

et al. 2022

Preprint

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As fast reproducing species, rodents present proximate numerical responses to resource availability that have been assessed by experimental manipulation of food, with contrasting results. Other intrinsic and extrinsic factors, such as climate severity, species life cycles, and sympatry of potential competitors in the community, may interplay to modulate such responses, but their effects have rarely been evaluated ensemble.We applied a niche-based approach to experimentally determine the effect of bottom-up (food availability) and top-down (climate severity) extrinsic factors, as well as intrinsic seasonal cycles, on rodent demography, also in presence of sympatry between species in the community.To this end, we live-trapped rodents at two latitudinal extremes of the boreal-temperate gradient (Italian Alps and Norway) deploying control/treatment designs of food manipulation. We applied a multistate open robust design model to estimate population patterns and survival rate.Yellow-necked and wood mouse (Apodemus spp.) were sympatric with bank vole in Italy, while the latter was the only species trapped in Norway. At northern latitudes, where harsher climatic conditions occurred, vole survival was principally regulated by intrinsic seasonal cycles, with a positive effect of food also on population abundance. At southern latitudes, mice and voles exhibited asynchronous population patterns across seasons, with survival depending from seasonal cycles. When concentrated ad libitum food was experimentally provided, though, population size and survival of voles strongly decreased, while mice abundance benefited from food supplementation.Our results evidence that rodent demography is regulated by a combination of top-down (climate severity) and bottom-up (food availability) extrinsic factors, together with intrinsic seasonal ones. Moreover, we showed that the seasonal niche partitioning of mice and voles could be disrupted by availability of abundant resources that favour the demography of the more opportunistic Apodemus spp. at the expense of Myodes glareolus, suggesting competitive mechanisms. We conclude putting our results in the context of climate change, where shifts in vegetation productivity may affect the diversity of the rodent community via demographic effects.

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Section: Discussionmentioning

confidence: 99%

Food resources drive rodent population demography mediated by seasonality and inter-specific competition

Ferrari

Devineau²,

Tagliapietra

et al. 2022

Preprint

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“…and, at least during the late Pleistocene in Iberian Peninsula, also P. coronensis (Chaline, 1970;Sesé, 1994Sesé, , 2005. Since other species could habit in different biotope type, in different landscape zones or under different weather conditions (Markova et al, 2018) in the northern Iberian Peninsula, forest biotopes are indicative of relatively warm environments (Iriarte-Chiapusso and . In contrast, current holarctic species [Microtus (Alexandromys) oeconomus] are associated with wet meadows, which in the Cantabrian region indicates forested cold environments during Pleistocene (Chaline, 1972;Pemán, 1985).…”

Section: Habitat Types and Climate Categoriesmentioning

confidence: 99%

Late Pleistocene Palaeoenvironmental Variations from Marine Isotope Stages 5 and 4: Small Mammals at Artazu VIII Site (Arrasate, Northern Iberian Peninsula)

et al. 2021

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Sites corresponding to Marine Isotope Stage 5 (MIS 5) and MIS 4 like Artazu VIII, with a continental record but no hominin imprints or carnivores activities, are very scarce in the Iberian Peninsula. The Artazu VIII cave fill (Arrasate, northern Spain) was discovered in 2013 and is presented here for the first time, including detailed stratigraphic and sedimentological descriptions of the differentiated 12 levels, as well as an ordered chronology of most levels, covering at least 36,000 years. In addition, the small mammal assemblage yielded a total of 8,129 identifiable skeletal remains corresponding to 14 taxa. The conditions inferred from the ecological preferences of the small mammal associations have been correlated with four different stages and substages from MIS 5c to MIS 4 in which the woodland mass expanded and retreated, depending on the relative temperature and humidity in each period. Finally, considering the species variability and estimated palaeoenvironment, a comparison with the NGRIP δ 18 O curve and other sites with the same chronology has been performed, showing that Artazu VIII is one of the few deposits attributable to the Marine Isotopic Stages previously mentioned and the only one that correlates to the Greenland Interstadial 18 from the Iberian Peninsula.

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“…Hence, it can be assumed that the ratio of different morphotypes is influenced by climatic conditions and by the type of landscape. There are a number of works devoted to the study of correlations between occlusal pattern and climatic conditions of the habitat, trophic features, and biotopic preferences of recent species (Kretzoi, 1957, cited from Stoetzel & Montuire, 2016Gromov, Polyakov, 1977;Pozdnyakov, 2003;Markova et al, 2017). For example, in A. oeconomus and M. agrestis, an increase in the proportion of complex morphotypes from west to east is noted (Gromov and Polyakov, 1977;Pozdnyakov, 1994).…”

Section: Morphotypic Analysismentioning

confidence: 99%

Morphotype and Multivariate Analysis of the Occlusal Pattern of the First Lower Molar in European and Asian Arvicoline Species (Rodentia, Microtus, Alexandromys)

Synyavska

Peskov

2020

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We studied the morphotypic variation of the occlusal pattern of m1 in 13 arvicoline species (genera Microtus and Alexandromys). As a result, 22 m1 morphotypes were identified. In Alexandromys, five morphotypes of m1 were found, while in Microtus only seven. The morphological diversity of m1 morphotypes (H) in voles of the genus Microtus is significantly lower compared to Alexandromys. The largest number of m1 morphotypes and the highest morphological diversity of m1 were revealed in the Mongolian vole (14 morphotypes and H = 2.134), while the lowest values (two morphotypes and H = 0.285) occur in the population of M. levis from Orlov Island. An attempt of ecological and taxonomical interpretation of interspecific differences was made based on the m1 morphotypes.

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Arvicolines (Arvicolinae, Rodentia) as Paleoenvironmental Proxies: Classification of Species Inhabiting the Central Part of Northern Eurasia Based on Environmental Preferences of Their Modern Representatives

Cited by 13 publications

References 20 publications

Food resources drive rodent population demography mediated by seasonality and inter-specific competition

Food resources drive rodent population demography mediated by seasonality and inter-specific competition

Late Pleistocene Palaeoenvironmental Variations from Marine Isotope Stages 5 and 4: Small Mammals at Artazu VIII Site (Arrasate, Northern Iberian Peninsula)

Morphotype and Multivariate Analysis of the Occlusal Pattern of the First Lower Molar in European and Asian Arvicoline Species (Rodentia, Microtus, Alexandromys)

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