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61 results for “Vipera”
Figure 3 in Well-known species, unexpected results: high genetic diversity in declining Vipera ursinii in central, eastern and southeastern Europe
Figure 3. Genetic relationship between locations calculated using Cavalli-Sforza and Edwards Dc distance (Cavalli-Sforza and Edwards, 1967) using the software POPULATIONS 1.2.28 (Langella, 1999). The distances were calculated with 5 microsatellite markers and branches with bootstrap support>40 were indicated.
Figure 3 in Rare genetic admixture and unidirectional gene flow between Vipera aspis and Vipera berus at their contact zone in western France
Figure 3. Principal Coordinates Analysis (PCoA) based on 10 microsatellite markers showing the distribution of morphologically intermediate individuals in between the pure V. aspis and pure V. berus individuals in the Loire Atlantique department (France). Individual 4.14 was morphologically intermediate but genetically assigned to pure V. aspis.
Figure 2 in Well-known species, unexpected results: high genetic diversity in declining Vipera ursinii in central, eastern and southeastern Europe
Figure 2. Maximum-likelihood tree from combined data (Cytochrome b and ND4, totalling 1920 bp) for different subspecies of Vipera ursinii. Values of bootstrap support for maximum likelihood (first) maximum parsimony (middle) are shown for nodes found in more than 50% of 1000 trees, as well as posterior probability from Bayesian inference (right). The population number (see fig. 1 and supplementary table S1) where the haplotypes have been found are added to the haplotype label. Drawing of Vipera ursinii rakosiensis courtesy of Márton Zsoldos.
Figure 1 in Well-known species, unexpected results: high genetic diversity in declining Vipera ursinii in central, eastern and southeastern Europe
Figure 1. Location of the samples used in the study: squares represent mtDNA data, round symbols represent microsatellites data. The size of the round symbols is proportional to the number of samples used. Locality numbers correspond with supplementary table S1 (in black when microsatellite data are available; in white when mtDNA data). The colours of the marks are different between subspecies: green: V. ursinii rakosiensis, yellow: V. u. moldavica, blue: V. u. macrops, grey: V. u. macrops from Bistra Mt., red: V. renardi. White striped grids show distribution of each subspecies/species on a 100x100 UTM grid resolution (after Sillero et al., 2014). Distribution area of V. greaca (from IUCN red list, Mizsei et al., 2018) is colored in pink. On the top left, insert A shows a zoom in the V. ursinii macrops region, while insert B illustrates the location of study area within Europe.
Figure 4. Comparative phylogenetic relationship between the 11 in Well-known species, unexpected results: high genetic diversity in declining Vipera ursinii in central, eastern and southeastern Europe
Figure 4. Comparative phylogenetic relationship between the 11 regions with both mtDNA (left) and nDNA (right). left: Mitochondrial DNA tree based on the genetic distances of the different haplotypes (combining cytochrome b and ND4; 1920 bp) within each region. right: Nuclear tree based on Cavalli-Sforza and Edwards Dc distances (Cavalli-Sforza and Edwards, 1967) calculated with the software POPULATIONS 1.2.28 (Langella, 1999) based on 5 microsatellites markers. Dashed branches correspond to discrepancies between both phylogenetic reconstructions. Both trees were not rooted. The colours are different between subspecies: green: V. ursinii rakosiensis, yellow: V. u. moldavica, blue: V. u. macrops, grey: V. u. macrops from Bistra Mt., red: V. renardi.
Figure 1 in Rare genetic admixture and unidirectional gene flow between Vipera aspis and Vipera berus at their contact zone in western France
Figure 1. Structure analysis (K = 2) of V. aspis and V. berus samples collected in the Loire Atlantique department (France). Morphologically intermediate individuals include individual 4.14 which was genetically assigned to V. aspis. The hybridization level of individuals 14 and 71 could not be clearly assigned.
Data from: Postglacial recolonisation in a cold climate specialist in Western Europe: patterns of genetic diversity in the adder (Vipera berus) support the central-marginal hypothesis
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Data from: Hybrid origin of European Vipers (Vipera magnifica and Vipera orlovi) from the Caucasus determined using genomic scale DNA markers.
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Dataset on the reproductive and actuarial ageing in a population of meadow vipers (Vipera ursinii) in the Mont Serein (France)
<p>This dataset gather the data used in the mansucript entitled Micro-geographic shift between negligible and actuarial senescence in a wild snake.</p> <p>Each sheet of data refers to a specific figure from the article.</p>
Management impacts on three reptile species (Vipera ursinii, Lacerta agilis, Lacerta viridis) in sandy grasslands in Hungary: Mowing should be avoided
<p>Understanding the factors that determine the abundance of populations is of key importance in conservation biology, ecology, and biogeography. For grassland‐associated species, such as the Hungarian meadow viper (<i>Vipera ursinii rakosiensis</i>), habitat management is particularly important. We aimed to study the effects of the three most common types of grassland management (grazing, mowing, and mowing + grazing) on the abundance of reptile species in meadow viper habitats in Kiskunság National Park, in Hungary. We surveyed grasslands repeatedly (<i>n</i> = 15 occasions) for reptiles in one autumn and one spring season in three 1‐ha quadrates per grassland management type. We recorded all reptiles and their activity related to operative temperatures and analyzed data by n‐mixture models. All reptile species known to occur in the habitats were observed during the surveys, but only the green lizard, sand lizard, and Hungarian meadow viper reached the minimum number of observations required for detailed analyses. Grazing had a strong positive effect on the abundance of Hungarian meadow vipers and sand lizards, while both mowing and mowing + grazing rotation had a negative effect. None of the grassland management types affected green lizard abundance. Our results suggest that grazing is the ideal type of grassland management for the endangered Hungarian meadow viper and the sand lizard. Mowing and mowing + grazing should be replaced by grazing to ensure the effectiveness of habitat management for conservation and to maintain healthy populations of grassland‐associated reptile species.</p>
FIGURE 1 in Assessment of the Linnaean type material of the Nose-horned viper, Vipera ammodytes (Linnaeus, 1758)
FIGURE 1 Section of pages 216–217 of Ed. 10 of 'Systema Naturae' describing Coluber ammodytes.
FIGURE 2 in Assessment of the Linnaean type material of the Nose-horned viper, Vipera ammodytes (Linnaeus, 1758)
FIGURE 2 Section of pages 376 of 'Systema Naturae' Ed. 12 describing Coluber ammodytes.
FIGURE 5 in Assessment of the Linnaean type material of the Nose-horned viper, Vipera ammodytes (Linnaeus, 1758)
FIGURE 5. Original jar with the label in Thunberg's handwriting.
Figure 2 in Age-dependent variations in the venom proteins of Vipera kaznakovi Nikolsky, 1909 and Vipera ammodytes (Linnaeus, 1758) (Ophidia: Viperidae)
Figure 2. Gel photograph showing the electrophoretic separation of the venom protein sample obtained from the 16.5-cm-long Vipera kaznakovi specimen, together with its densitometric tracing curve (O.D.: Optical density, S: Start, junction between the stacking and separation gels).
Figure 7 in Age-dependent variations in the venom proteins of Vipera kaznakovi Nikolsky, 1909 and Vipera ammodytes (Linnaeus, 1758) (Ophidia: Viperidae)
Figure 7. Gel photograph showing the electrophoretic separation of the venom protein sample obtained from the 36.7-cm-long Vipera ammodytes specimen, together with its densitometric tracing curve. For further explanation, see caption to Figure 2.
Figure 6 in Age-dependent variations in the venom proteins of Vipera kaznakovi Nikolsky, 1909 and Vipera ammodytes (Linnaeus, 1758) (Ophidia: Viperidae)
Figure 6. Gel photograph showing the electrophoretic separation of the venom protein sample obtained from the 28.5-cm-long Vipera ammodytes specimen, together with its densitometric tracing curve. For further explanation, see caption to Figure 2.
FIGURE 19. Vipera coronis aspoides. Lectotype, ZMB 32178 in An account of the generic and specific names, and type specimens of viperid taxa described by Albert Franz Theodor Reuss (Squamata: Viperidae)
FIGURE 19. Vipera coronis aspoides. Lectotype, ZMB 32178. General view.
Beyond sexual maturity: Importance of dietary changes in venom variation in Vipera ammodytes
<p>This study explores venom variation in the nose-horned viper (<em>Vipera ammodytes</em>) across different body sizes, examining its relationship with dietary shifts and reproductive status.</p> <p>This data set includes MALDI-TOF-MS data from 40 crude <em>V. ammodytes</em> venoms (folder Lakusic_et_al_MALDI_data.zip)</p> <p>Used instrument: MALDI-ToF/ToF mass spectrometer (ultrafleXtreme, Bruker Daltonics, Bremen, Germany)</p>
Occurrence localities of Vipera ursinii subspecies
<p>Occurrence dataset used for the analyses in "A step toward SDMs: a "couple-and-weigh" framework based on accessible data for biodiversity conservation and landscape planning" - Diversity and Distributions.<br> Coordinates are in WGS84 - EPSG 4326.</p>
Occurrence localities of Vipera ursinii subspecies
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