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103 results for “Podarcis”
Potential Metabolic Activity, Catalase Activity, Performance traits and Morphological variables of 94 individuals belonging to Podarcis muralis species used in the analysis
<p>Potential Metabolic Activity (ETS26_P, ETS31_P, ETS36_P), Catalase Activity (CAT_P), Performance traits (BITE, SPRINT,CLIMB, MANO) and Morphological variables (snout-vent length (SVL), trunk length (TRL), pileus length (PL), head length (HL), head width (HW), head height (HH), fore limb length (FLL) and hind limb length (HLL) of 94 individuals belonging to <em>Podarcis muralis</em> species. The data was used in the analysis of the paper entitled: Is It Function or Fashion? An Integrative Analysis of Morphology, Performance, and Metabolism in a Colour Polymorphic Lizard, by authors Verónica Gomes, Anamarija Žagar, Guillem Pérez i de Lanuza, Tatjana Simčič and Miguel A. Carretero, published in the journal Diversity 2022, 14, 116. <a href="https://doi.org/10.3390/d14020116">https://doi.org/10.3390/d14020116</a></p>
Censuses Podarcis pityusensis Ibiza 2022
<p>This database compiles detailed information on <em>Podarcis pityusensis</em> censuses conducted across various urban and peri-urban sites, covering its geographical range.The dataset includes records of abundance and habitat characteristics for each surveyed site. Additionally, anthropogenic factors like population density and level of urbanization, have been collected.</p>
Data from: Proximate and ultimate drivers of variation in bite force in the insular lizards Podarcis melisellensis and Podarcis sicula
<p>Bite force is a key performance trait in lizards since biting is involved in many ecologically relevant tasks, including foraging, fighting, and mating. Several factors have been previously suggested to impact bite force in lizards, such as head morphology (proximate factors), or diet, intraspecific competition, and habitat characteristics (ultimate factors). However, these have been generally investigated separately and mostly at the interspecific level. We tested which factors drive variation in bite force at the population level and to what extent. Our study includes 20 populations of two closely-related lacertid species, <i>Podarcis melisellensis </i>and <i>Podarcis sicula</i>, which inhabit islands in the Adriatic. We found that lizards with more forceful bites have relatively wider and taller heads, and consume more hard prey and plant material. Island isolation correlates with bite force, likely by driving the resource availability. Bite force is only poorly explained by proxies of intraspecific competition. The linear distance from a large island and the proportion of difficult-to-reduce food items consumed are the ultimate factors that explain most of the variation in bite force. Our findings suggest that the way in which morphological variation affects bite force is species-specific, likely reflecting the different selective pressures operating on the two species.</p>
Dataset: Information content of ultraviolet-reflecting color patches and visual perception of body coloration in the Tyrrhenian wall lizard Podarcis tiliguerta
<p>These are the data sets and R script corresponding to the scientific publication with the same title and authors.</p> <p>Description of these files is available in the file Note.pdf</p>
Fig. 1 in A New Locality of the Italian Wall Lizard Podarcis siculus (Rafinesque-Schmaltz, 1810) from Turkey
Fig. 1. Current distribution of Podarcis siculus hieroglyphicus in Turkey (after Uğurtaş et al. 2000, with supplements). Legend: ● – known localities; - the new locality (explanations are in the text).
Figure 2. A in Range extension and morphology of the Italian wall lizard, Podarcis siculus (Rafinesque-Schmaltz, 1810) (Squamata: Lacertidae), from Turkey
Figure 2. A general view of the habitats from (a) Atakum (Samsun) and (b) Gelibolu (Çanakkale), where the specimens of Podarcis siculus were found.
Figure 2 in New locality record of Podarcis tauricus tauricus (Pallas, 1814) (Squamata: Lacertidae) from the western Black Sea region of Turkey
Figure 2. New locality for Podarcis tauricus tauricus from Yörükköy, Düzce. a- The lower side of the road; b- the upper side of the road.
Figure 1 in New locality record of Podarcis tauricus tauricus (Pallas, 1814) (Squamata: Lacertidae) from the western Black Sea region of Turkey
Figure 1. Map showing the distribution area of Podarcis tauricus tauricus in Turkey. Red cross squares represent the known distribution according to the literature, and the blue star shows the new locality. 1. İpsala; 2. Keşan; 3. Gelibolu; 4. Selimpaşa; 5. Halkalı; 6. Belgrad Forest; 7. Büyükdere; 8. Beykoz; 9. Polenezköy; 10. Şile; 11. Teke; 12. Gebze; 13. Karamürsel; 14. İrşadiye; 15. Akçaova; 16. Kandıra; 17. Dalca; 18. Çubuklu; 19. Sapanca; 20. Adapazarı; 21. Denizköy-Karasu; 22. Yörükköy. Data from Schreiber (1912), Cyren (1924), Bird (1936), Bodenheimer (1944), Mertens (1952), Clark and Clark (1973), Andren and Nilson (1976), Baran (1977), Nilson et al. (1988), Franzen (1990), Bergman and Norström (1990), Teynie (1991), Baran et al. (1992), Mulder (1995), and Tok and Çiçek (2014).
Figure 3 in New locality record of Podarcis tauricus tauricus (Pallas, 1814) (Squamata: Lacertidae) from the western Black Sea region of Turkey
Figure 3. General views of male and subadult female specimens of Podarcis tauricus tauricus from Yörükköy, Düzce. a- Male specimen; b- subadult (female) specimen.
Figure 1. A in First records of the Italian wall lizard, Podarcis siculus (Rafinesque-Schmaltz, 1810) (Squamata: Lacertidae) in Albania
Figure 1. A: Overview of the distribution of Podarcis siculus in Europe with the delimitation of the inset (B); B: New records of P. siculus (white stars) with topography and main water bodies in background; C: Italian wall lizard from Velipojë (photo by E. Mizsei).
Figure. The adult male of Podarcis lilfordi from Sa Dragonera, Mallorca (Balearic Islands), presenting a tail-like appendage in the left hind limb. in A case of limb regeneration in a wild adult Podarcis lilfordi lizard
Figure. The adult male of Podarcis lilfordi from Sa Dragonera, Mallorca (Balearic Islands), presenting a tail-like appendage in the left hind limb.
Fig. 1 in Rapid endangerment of the lizard Podarcis pityusensis by an invasive snake demands an immediate conservation response
Fig. 1. Basic elements of the system. (A) Map showing the location of Ibiza island in relation to the nearest mainland areas in the Iberian Peninsula and northern Africa. (B) The endemic lacertid lizard, Podarcis pityusensis. (C) The invasive colubrid snake, Hemorrhois hippocrepis. Photos by: Javier Pleguezuelos (A), Juan M. Pleguezuelos (B), and Federico Rey (C).
Figure 1 in The common wall lizard Podarcis muralis (Reptilia: Lacertidae) shows diverse food preferences and intraspecific differences: a study case from Bulgaria
Figure 1. Percentage share of the OTUs according to: number of faecal samples of P. muralis in which the OTU was found (Fr.); number of specimens registered in the faecal samples (N); number of specimens, collected by pit-fall traps (Tr.).
Figure 3 in The common wall lizard Podarcis muralis (Reptilia: Lacertidae) shows diverse food preferences and intraspecific differences: a study case from Bulgaria
Figure 3. Percentage share of the categories of evasiveness (E1, E2, and E3) and hardness (H1, H2, and H3) according to the number of categorized prey items from the faecal samples of P. muralis (Ad. = adults; Imm. = immatures; M = males; F = females; Tot. = the entire sample).
Figure 2 in The common wall lizard Podarcis muralis (Reptilia: Lacertidae) shows diverse food preferences and intraspecific differences: a study case from Bulgaria
Figure 2. Diversity profiles of the diet of P. muralis based on the faecal samples from the study sites (Ad. = adults; Imm. = immatures; M = males; F = females).
Data from: Proximate and ultimate drivers of variation in bite force in the insular lizards Podarcis melisellensis and Podarcis sicula
Open the record for dataset details and reuse information.
SNP datasets obtained with ddRADseq from four contact zones between Podarcis carbonelli and four other Podarcis species
<p><span><span><span>We used double digestion restriction site associated DNA (ddRAD) sequencing to discover SNPs in samples from four contact zones between <i>Podarcis carbonelli</i> and four other <em>Podarcis</em> species</span></span>. We obtained a panel of SNPs for each for each contact zone and reference populations and a dataset of diagnostic SNPs between reference populations for each contact zone but excluding private alleles from references, i.e. excluding alleles that are not present in the populations of contact. The final datasets (complete and diagnostic) were obtained after removing loci with depth coverage <8, missing data >20% and removing individuals with more than 35% of missing data. Across complete and diagnostic datasets, mean coverage by individuals ranged from 28 to 47 and by loci from 28 to 44<span><span>. The analysis of replicate samples (about 6% of samples were replicated, i.e. were amplified and sequenced in independent libraries and SNP calling was performed independently) showed high levels (>99%) of multilocus genotype replicability.</span></span></span></p>
Data from: Diet variability among insular populations of Podarcis lizards reveals diverse strategies to face resource-limited environments
Access to resources is a dynamic and multi-causal process that determines the success and survival of a population. It is therefore often challenging to disentangle the factors affecting ecological traits like diet. Insular habitats provide a good opportunity to study how variation in diet originates, in particular in populations of mesopredators such as lizards. Indeed, high levels of population density associated with low food abundance and low predation are selection pressures typically observed on islands. In the present study, the diet of eighteen insular populations of two closely related species of lacertid lizards (Podarcis sicula and Podarcis melisellensis) was assessed. Our results reveal that despite dietary variability among populations, diet taxonomic diversity is not impacted by island area. In contrast, however, diet disparity metrics, based on the variability in the physical (hardness) and behavioral (evasiveness) properties of ingested food items, are correlated with island size. These findings suggest that an increase in intraspecific competition for access to resources may induce shifts in functional components of the diet. Additionally, the two species differed in the relation between diet disparity and island area suggesting that different strategies exist to deal with low food abundance in these two species. Finally, sexual dimorphism in diet and head dimensions is not greater on smaller islands, in contrast to our predictions.
Thermal-metabolic phenotypes of the lizard Podarcis muralis differ across elevation, but converge in high elevation hypoxia
<p>In response to a warming climate, many montane species are shifting upslope to track the emergence of preferred temperatures. Characterizing patterns of variation in metabolic, physiological and thermal traits along an elevational gradient, and the plastic potential of these traits, is necessary to understand current and future responses to abiotic constraints at high elevations, including limited oxygen availability. We performed a transplant experiment with the upslope-colonizing common wall lizard (<em>Podarcis</em> <em>muralis</em>) in which we measured nine aspects of thermal physiology and aerobic capacity in lizards from replicate low- (400 m above sea level, ASL) and high-elevation (1700 m ASL) populations. We first measured traits at their elevation of origin and then transplanted half of each group to extreme high elevation (2900 m ASL; above the current elevational range limit of this species), where oxygen availability is reduced by ∼25% relative to sea level. After 3 weeks of acclimation, we again measured these traits in both the transplanted and control groups. The multivariate thermal–metabolic phenotypes of lizards originating from different elevations differed clearly when measured at the elevation of origin. For example, high-elevation lizards are more heat tolerant than their low-elevation counterparts (counter-gradient variation). Yet, these phenotypes converged after exposure to reduced oxygen availability at extreme high elevation, suggesting limited plastic responses under this novel constraint. Our results suggest that high-elevation populations are well suited to their oxygen environments, but that plasticity in the thermal–metabolic phenotype does not pre-adapt these populations to colonize more hypoxic environments at higher elevations.</p>
Fig. 2 in A New Locality of the Italian Wall Lizard Podarcis siculus (Rafinesque-Schmaltz, 1810) from Turkey
Fig. 2. Photo of the discovered specimen of Podarcis siculus hieroglyphicus. Photo: I. Mollov.
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