Palaeoenvironmental significance of the mammalian faunas of Italy since the Pliocene

Montuire, Sophie; Marcolini, Federica

doi:10.1002/jqs.625

Cited by 62 publications

(15 citation statements)

References 15 publications

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“…Present knowledge of palaeoenvironments in northern Italy allows this assumption (e.g. Montuire and Marcolini 2002;Cattani 2003). In fact, during glacial periods, marine regressions led to a southward migration of the coastal line, till 300 km south-east of its present location (Cremaschi 2003b), allowing the formation of freshwater environments where large populations could have persisted (e.g.…”

Section: Discussionmentioning

confidence: 99%

Genetic differentiation and history of populations of the Italian treefrog Hyla intermedia: lack of concordance between mitochondrial and nuclear markers

2006

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The genetic differentiation among 33 populations of the Italian treefrog, Hyla intermedia (Anura: Hylidae), was investigated using both biparentally (23 allozyme loci) and maternally (partial mitochondrial cytochrome b gene) inherited markers. Two main population groups were evidenced by both markers, located north and south of the northern Apennines. However, the pattern of differentiation between these two groups was much less pronounced at allozymes than at mtDNA, leading to gene flow estimates that were 25 times lower at mitochondrial than at nuclear level. Also, the mtDNA divergence between the two groups was particularly marked for two cospecific lineages of anuran amphibians (the P-distance being on average 9.04%), while their average genetic distance at allozymes was comparatively low (D (NEI) = 0.07). This contrasting pattern of nuclear versus mitochondrial genetic variation is discussed in the context of: (1) marker specific selection, (2) secondary contact and sex-biased gene flow and (3) ancestral polymorphism and colonization from north to south. Finally we emphasize how, for population genetic studies, the use of multiple markers having distinct evolutionary properties can help unravel the existence of more complex evolutionary histories.

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Section: Discussionmentioning

confidence: 99%

Genetic differentiation and history of populations of the Italian treefrog Hyla intermedia: lack of concordance between mitochondrial and nuclear markers

2006

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“…The method has been largely used during recent years in the study of fossil communities of the Mediterranean area (Montuire and Desclaux, 1997;Montuire and Marcolini, 2002). This method has been applied to several levels of the sites studied here.…”

Section: Cenogramsmentioning

confidence: 99%

Faunal Exploitation during the Middle Palaeolithic in south‐eastern France and north‐western Italy

Valensi¹,

Psathi²

2004

Intl J of Osteoarchaeology

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Six Middle Palaeolithic sites (Lazaret, Madonna dell'Arma, Caverna delle Fate, Arma delle Manie, Santa Lucia Superiore and San Francesco), dated from Oxygen Isotopic Stages 6 to 3 (OIS 6 to 3), have been studied from a zooarchaeological and palaeoecological point of view. The sites have yielded faunal assemblages rich in cervids, generally dominated by Cervus elaphus. The frequency of other ungulate taxa is inextricably linked to the topography of each site, as well as to climatic and environmental conditions. Taphonomic analysis indicates that humans were the main agents of accumulation of the large mammal remains. Mortality and seasonality data show various patterns of age distribution of the ungulate species, and suggest that there is no relation between the occupation season of these sites and the hunting of a particular species. The dominance of red deer can be explained by their natural abundance and by their high rendering in terms of hunting transport, meat quantity, and other useful materials like skins, tendons, and soon. Neanderthal subsistence strategies do not show any evolution in the studied area during the period of Oxygen Isotopic Stages 6 to 3.

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“…These are reasons why vole molars have increasingly been used as a parallel model to improve our knowledge of rodent cheek tooth development (e.g., Keränen et al 1998; Jernvall et al 2000a; Salazar‐Ciudad and Jernvall 2002; Matalova et al 2005; Witter et al 2005; Setkova et al 2006). Furthermore, voles are considered, among terrestrial mammals, as good models to study evolutionary mechanisms and they account for one of the most widely diversified mammal groups of the Quaternary (Chaline 1972; Chaline and Mein 1979; van Kolfschoten 1990; Fejfar and Repenning 1992; Nadachowski 1992; von Koenigswald 1992; van Kolfschoten 1992; Sesé 1995; Montuire and Desclaux 1997; Montuire et al 1997; Montuire 1999; Montuire and Marcolini 2002).…”

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confidence: 99%

Evolution of Mammal Tooth Patterns: New Insights From a Developmental Prediction Model

et al. 2009

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The study of mammalian evolution is often based on insights into the evolution of teeth. Developmental studies may attempt to address the mechanisms that guide evolutionary changes. One example is the new developmental model proposed by Kavanagh et al. (2007), which provides a high-level testable model to predict mammalian tooth evolution. It is constructed on an inhibitory cascade model based on a dynamic balance of activators and inhibitors, regulating differences in molar size along the lower dental row. Nevertheless, molar sizes in some mammals differ from this inhibitory cascade model, in particular in voles. The aim of this study is to point out arvicoline and murine differences within this model and to suggest an alternative model. Here we demonstrate that the inhibitory cascade is not followed, due to the arvicoline's greatly elongated first lower molar. We broaden the scope of the macroevolutionary model by projecting a time scale onto the developmental model. We demonstrate that arvicoline evolution is rather characterized by a large gap from the oldest vole to more recent genera, with the rapid acquisition of a large first lower molar contemporaneous to their radiation. Our study provides alternative evolutionary hypotheses for mammals with different trajectories of development.K E Y W O R D S : Arvicolinae, evo-devo, evolution, inhibitory cascade, rodents.

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Palaeoenvironmental significance of the mammalian faunas of Italy since the Pliocene

Cited by 62 publications

References 15 publications

Genetic differentiation and history of populations of the Italian treefrog Hyla intermedia: lack of concordance between mitochondrial and nuclear markers

Genetic differentiation and history of populations of the Italian treefrog Hyla intermedia: lack of concordance between mitochondrial and nuclear markers

Faunal Exploitation during the Middle Palaeolithic in south‐eastern France and north‐western Italy

Evolution of Mammal Tooth Patterns: New Insights From a Developmental Prediction Model

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