Готові списки джерел за темами / Mediterranean Pond Turtle

Добірка наукової літератури з теми "Mediterranean Pond Turtle"

Автор: Grafiati
Опубліковано: 13 березня 2024

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Зміст

  1. Статті в журналах
  2. Дисертації
  3. Частини книг

Статті в журналах з теми "Mediterranean Pond Turtle":

1

Romero, David, José C. Báez, Francisco Ferri-Yáñez, Jesús J. Bellido, and Raimundo Real. "Modelling Favourability for Invasive Species Encroachment to Identify Areas of Native Species Vulnerability." Scientific World Journal 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/519710.

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We assessed the vulnerability of the native Mediterranean pond turtle to encroachment by the invasive red-eared slider in southern Spain. We first obtained an ecogeographical favourability model for the Mediterranean pond turtle. We then modelled the presence/absence of the red-eared slider in the Mediterranean pond turtle range and obtained an encroachment favourability model. We also obtained a favourability model for the red-eared slider using the ecogeographical favourability for the Mediterranean pond turtle as a predictor. When favourability for the Mediterranean pond turtle was high, favourability for the red-eared slider was low, suggesting that in these areas the Mediterranean pond turtle may resist encroachment by the red-eared slider. We also calculated favourability overlap between the two species, which is their simultaneous favourability. Grids with low overlap had higher favourability values for the Mediterranean pond turtle and, consequently, were of lesser conservation concern. A few grids had high values for both species, being potentially suitable for coexistence. Grids with intermediate overlap had similar intermediate favourability values for both species and were therefore areas where the Mediterranean pond turtle was more vulnerable to encroachment by the red-eared slider. We mapped the favourability overlap to provide a map of vulnerability of the Mediterranean pond turtle to encroachment by the red-eared slider.
2

Verneau, Olivier, Sirine Melliti, Latifa Kimdil, El Hassan El Mouden, Mohamed Sghaier Achouri, and Rachid Rouag. "Molecular Phylogenies of Leeches and Haemoparasites Infecting Freshwater Turtles in Aquatic Ecosystems of Northern Africa Suggest Phylogenetic Congruence between Placobdella costata Sensu Lato and Haemogregarina stepanowi Sensu Lato." Microorganisms 11, no. 6 (June 15, 2023): 1584. http://dx.doi.org/10.3390/microorganisms11061584.

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Haemogregarines are blood parasites with a life-cycle involving a vertebrate as the intermediate host and an invertebrate as the definitive host and vector. Extensive phylogenetic investigations based on 18S-rRNA gene sequences have shown that Haemogregarina stepanowi (Apicomplexa: Haemogregarinidae) is able to infest a large diversity of freshwater turtle species, including the European pond turtle Emys orbicularis, the Sicilian pond turtle Emys trinacris, the Caspian turtle Mauremys caspica, the Mediterranean pond turtle Mauremys leprosa, and the Western Caspian turtle Mauremys rivulata, among others. From the same molecular markers, H. stepanowi is further considered to be a complex of cryptic species predisposed to infect the same host species. While Placobdella costata is known to be the unique vector of H. stepanowi, it is only recently that independent lineages within P. costata have been illustrated—suggesting the presence of at least five unique leech species across Western Europe. The aims of our study were therefore to investigate from mitochondrial markers (COI) the genetic diversity within haemogregarines and leeches infecting freshwater turtles of the Maghreb, in order to identify processes of parasite speciation. We showed that H. stepanowi consists of at least five cryptic species in the Maghreb, while two Placobella species were identified in the same area. Although an Eastern–Western speciation pattern was apparent for both leeches and haemogregarines, we cannot make definitive conclusions regarding co-speciation patterns between parasites and vectors. However, we cannot reject the hypothesis of a very strict host–parasite specificity within leeches.
3

Vignoli, Leonardo, Marco A. Bologna, Silvia Manzini, Lorenzo Rugiero, and Luca Luiselli. "Attributes of basking sites of the European pond turtle (Emys orbicularis) in central Italy." Amphibia-Reptilia 36, no. 2 (2015): 125–31. http://dx.doi.org/10.1163/15685381-00002988.

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Attributes of basking sites are important elements to study in management plans of threatened freshwater turtles. Here, we analyzed the basking-site characteristics of European pond turtle (Emys orbicularis) populations in a Mediterranean territory of central Italy (Tolfa Mountains, Latium). We used logistic regression and Principal Components Analysis to characterize 29 presence sites versus 61 random sites, through 16 descriptive variables recorded within a 5 m radius from the sighting/target spot. Our analyses revealed that some variables (i.e. water turbidity, presence of small coves, submerged vegetation, and emergent tree-trunks) were those that influenced most strongly the presence of turtles on potential basking sites. Maintenance of deadwood in water and preservation of submerged aquatic vegetation should be included in the management planning for this turtle species in central Italy.
4

Valenzuela, Alejandro, Miguel Ángel Cau, and Josep Antoni Alcover. "Archaeological evidence for the introduction of Emys orbicularis (Testudines: Emydidae) in the Balearic Islands, Western Mediterranean." Amphibia-Reptilia 37, no. 2 (2016): 229–36. http://dx.doi.org/10.1163/15685381-00003049.

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Among the different anthropogenic processes that affected the current distribution of the European pond turtle (Emys orbicularis), the timing of the human-mediated translocations is rarely known. Here we present data derived from an archaeological specimen ofE. orbicularisobtained at the Roman site of Pollentia (Mallorca, Balearic Islands) using direct radiocarbon dating. These remains correspond to the early Roman period and represent the first reliable evidence for the ancient introduction of this turtle species in a Western Mediterranean Island.
5

Poch Cartañá, Santiago. "Nocturnal winter activity of the Mediterranean Pond Turtle (Mauremys leprosa)." Reptiles & Amphibians 29, no. 1 (July 4, 2022): 296–97. http://dx.doi.org/10.17161/randa.v29i1.16583.

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6

Velo-Antón, Guillermo, Paulo Pereira, Soumia Fahd, José Teixeira, and Uwe Fritz. "Out of Africa: did Emys orbicularis occidentalis cross the Strait of Gibraltar twice?" Amphibia-Reptilia 36, no. 2 (2015): 133–40. http://dx.doi.org/10.1163/15685381-00002989.

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The narrow Strait of Gibraltar has separated the African and European continents since the Miocene (5.3 Mya), with a different degree of permeability for Mediterranean taxa. Southern and northern regions of the Iberian Peninsula and Morocco, respectively, are key areas to evaluate the colonization dynamics and biogeographic history of taxa occurring at both sides of this strait. The Ibero-Maghrebian subspecies of the European pond turtle, Emys orbicularis occidentalis, is patchily distributed and threatened throughout most of the Iberian Peninsula and northern Morocco and its origin is thought to be in North Africa. Here we expand the geographic sampling across the Iberian Peninsula and Morocco, with special emphasis in the southern tip of the peninsula and northern Morocco, and analyze mtDNA sequences of 183 E. o. occidentalis to better understand the complex biogeographic history of this subspecies. We provide for the first time evidence for shared haplotypes of Iberian and North African pond turtles, with an additional haplotype in the southern Iberian Peninsula derived from Moroccan haplotypes. This supports the hypothesis that the Strait of Gibraltar constitutes no significant biogeographic barrier for E. orbicularis. However, the newly discovered shared, or extremely similar, haplotypes of European pond turtles from the southern Iberian Peninsula and Morocco suggest either that at least two independent natural colonization waves from Morocco have reached the Iberian Peninsula or that Moroccan turtles were accidentally or deliberately introduced there.
7

Figueres, Jesus Muro. "Treatment of Articular Gout in a Mediterranean Pond Turtle, Mauremys leprosa." Bulletin of the Association of Reptilian and Amphibian Veterinarians 7, no. 4 (January 1997): 5–8. http://dx.doi.org/10.5818/1076-3139.7.4.5.

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8

Perpiñán, David, and Carmen Sánchez. "Morphologic and Cytochemical Characteristics of Blood Cells from the European Pond Turtle (Emys orbicularis) and the Mediterranean Pond Turtle (Mauremys leprosa)." Journal of Herpetological Medicine and Surgery 19, no. 4 (December 1, 2009): 119. http://dx.doi.org/10.5818/1529-9651-19.4.119.

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9

Détaint, Mathieu, Anthony Olivier, Marc Cheylan, Christophe Coïc, Uwe Fritz, Daniela Guicking, Antoine Cadi, et al. "Distribution of mtDNA haplotypes (cyt b) of Emys orbicularis in France and implications for postglacial recolonization." Amphibia-Reptilia 26, no. 2 (2005): 231–38. http://dx.doi.org/10.1163/1568538054253393.

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AbstractThe European pond turtle, Emys orbicularis, is a wide ranging species, distributed from Northwest Africa over a large part of Europe and Asia Minor to the Caspian and Aral Seas. For 106 pond turtles from France mtDNA sequence variation has been assessed, using a 1031 bp portion of the mitochondrial cytochrome b gene. Three of nine haploclades currently known from the entire species' range were found in France. One clade (II) is represented with four very similar haplotypes, differing by one mutation, and the two other clades (V, VI) are represented with one haplotype each. A syntopic occurrence of clades II and V is reported for the first time for the Camargue. Besides, clade II occurs in the French regions Aquitaine, Centre-Val de Loire, and Rhône-Alpes. Outside of France, it is found mainly in the catchment areas of the Danube and Oder rivers and in the Balkans. Haploclade V, which is also known from the Apennine peninsula, Sardinia, and the northern Mediterranean coast of Spain, is restricted in France to Corsica and the Provence-Alpes-Côte d'Azur region. A single individual bearing a haplotype of an Iberian and North African clade (VI) was found in Aquitaine near Pau. This could indicate gene flow between the Iberian peninsula and West France, if the specimen is native. The distribution of the distinct haploclades in France probably reflects Holocene range expansions, especially of haploclade II turtles. In the postglacial, haploclade II terrapins arrived from the east and spread over the Rhône corridor to the Mediterranean coast. In the southern Rhône area they met and hybridized with haploclade V turtles. Further research is needed to clarify whether this hybridization is a locally restricted phenomenon.
10

Loulida, Soumia, Pedro Segurado, Mohamed Naimi, and Mohammed Znari. "Niche differentiation among genetic lineages in the Mediterranean Pond turtle, Mauremys leprosa, across its geographical range." Amphibia-Reptilia 42, no. 2 (March 4, 2021): 227–40. http://dx.doi.org/10.1163/15685381-bja10049.

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Abstract Ecological niche modelling provides a useful tool to measure niche properties such as niche breadth, niche overlap and niche conservatism among genetic lineages, with relevant implications for conservation. The Mediterranean pond turtle Mauremys leprosa occurs on both sides of the Strait of Gibraltar over most Iberia and the Maghreb Region of north-western Africa, where it shows a complex genetic structure as the result of Pleistocene climatic oscillations and the particular geographical features of this region. We analyzed the overlap of the climate niche of genetic lineages and sublineages of Mauremys leprosa, based on confirmed records across the known geographical range of the species. We also compared the accuracy of environmental niche models obtained by splitting the two lineages into subunits and lumping across lineages. Results revealed an overall niche overlap between the two main lineages and among most sublineages, indicating no relationship between genetic variation and niche divergence. Likewise, the environmental niche modelling revealed an extensive geographical overlap of climatic suitability between the two lineages. However, some ecological differentiation occurs for some sublineage pairs, in particular involving a sublineage whose occurrence corresponds to a particular morphotype – the Sahara blue-eyed pond turtle – which occupies very isolated habitats along the Draa basin in Morocco. These populations are currently threatened by fragmentation of habitats, drought and water salinization. This study will help assessing more effectively the impacts of ongoing climate change on Mauremys leprosa that along with local human activities are likely to increase in the southernmost limit of its distribution.
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Статті в журналах

Дисертації з теми "Mediterranean Pond Turtle":

1

Attia, El Hili Rahma. "Biogéographie de deux espèces de tortues d'eau douce ( Emys orbicularis et Mauremys leprosa) en Tunisie, diversité génétique des hémoparasites et risque d'introduction parasitaire." Thesis, Perpignan, 2020. http://www.theses.fr/2020PERP0015.

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Cette étude a pour objectifs d’actualiser les données sur la répartition et la variation génétique des deux espèces de tortues d’eau douce Mauremys leprosa et Emys orbicularis en Tunisie et d’évaluer leur vulnérabilité. Elle a également pour but de déterminer la diversité et d’évaluer la spécificité des hémogrégarines (Protozoa: Apicomplexa: Haemogregarinidae) en se basant sur les analyses morphologiques et moléculaires. L’Emyde lépreuse n’est actuellement pas menacée en Tunisie contrairement à la Cistude d’Europe qui est en situation critique. Les analyses morphologiques et moléculaires des parasites sanguins ont permis de montrer la présence de co-infection chez un même individu de tortue. L’aspect moléculaire a concerné la caractérisation et l’identification des espèces appartenant au même genre Haemogregarina à travers l’utilisation des marqueurs mitochondriaux et nucléaires. Ainsi on a pu comparer le degré d’informations génétiques des deux marqueurs et de montrer que le gène mitochondrial COI permettait d’identifier plus de variabilité que celle trouvée avec le gène 18S ARNr. En outre, la faible spécificité de ces parasites sanguins envers les espèces hôtes définitives et intermédiaires, s’est révélée un facteur qui augmente le risque de transmission des hémogregarines d’une espèce hôte exotique vers une espèce hôte indigène
The objective of this study is to update data on distribution and genetic variation of t two species of freshwater turtles Mauremys leprosa and Emys orbicularis in Tunisia and to assess their vulnerability. It also aims to determine the diversity and to evaluate the specificity of the hemogregarins (Protozoa: Apicomplexa: Haemogregarinidae) based on morphological and molecular analyzes. The Mediterranean pond turtle is currently not threatened in Tunisia unlike the European pond turtle which is in critical situation. Morphological and molecular analyzes of blood parasites have reveald the presence of co-infection in the same turtle specimen. The molecular aspect concerned the characterization and identification of species belonging to the same genus Haemogregarina through the use of mitochondrial and nuclear markers. Thus we were able to compare the level of genetic information of the two markers and to demonstrat that the mitochondrial COI genes identified more variability than those found with the 18S rRNA gene. In addition, the low specificity of these blood parasites towards the final and intermediate host species has been shown to be a factor which increases the risk of transmission of hemogregarins from an exotic host species to a native host species
2

Le, Gal Anne-Sophie. "Réponses individuelles et démographiques de l'Emyde lépreuse (Mauremys leprosa) aux perturbations environnementales." Electronic Thesis or Diss., Perpignan, 2023. http://www.theses.fr/2023PERP0046.

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Les derniers rapports du Groupe d'experts intergouvernemental sur l'évolution du climat (GIEC) et de la Plateforme intergouvernementale scientifique et politique sur la biodiversité et les services écosystémiques (IPBES) alertent sur le déclin mondial de la biodiversité. Ce déclin est directement lié aux activités anthropiques, et en particulier à la destruction et aux pollutions des environnements terrestres et aquatiques. Les zones humides font partie des écosystèmes les plus menacés, avec une perte de 35% de leurs surfaces observée depuis 1970, et plus d'un quart des espèces résidentes menacées d'extinction. L'anthropisation contribue à la disparition de ces milieux, et à leur pollution chimique, notamment via les eaux usées, les rejets industriels, et le ruissellement agricole. Au sein de ces milieux, les espèces sentinelles peuvent être utilisées pour mesurer les effets des perturbations environnementales sur la biodiversité. Ces espèces sont résidentes du milieu étudié, longévives, et ont une réponse mesurable dans l'espace et dans le temps aux changements environnementaux. C'est le cas de l'Emyde lépreuse (Mauremys leprosa), une tortue dulçaquicole endémique des zones humides Méditerranéennes. De précédentes recherches ont montré que cette espèce bioaccumule des polluants et présente des réponses physiologiques contrastées en fonction du niveau de pollution de son habitat aquatique. L'objectif principal de cette thèse était d'identifier les réponses individuelles et démographiques de M. leprosa aux perturbations environnementales saisonnières et/ou induites par les pollutions anthropiques. Une approche intégrative combinant l'écotoxicologie, l'écologie des populations et l'écologie comportementale a été proposée pour répondre à cet objectif. La thèse pollemyde a permis de caractériser le fonctionnement des principales populations de M. leprosa en France, et de révéler les réponses de l'espèce aux perturbations environnementales. Les connaissances générées permettront d'adapter les mesures de conservation de l'espèce, dans le cadre du Plan National d'Actions actuellement en vigueur en France
The latest reports from the Intergovernmental Panel on Climate Change (IPCC) and the Intergovernmental Platform on Biodiversity and Ecosystem Services (IPBES) warn of the global decline in biodiversity. This decline is directly attributable to human activities, and in particular to the destruction and pollution of terrestrial and aquatic environments. Wetlands are among the most threatened ecosystems, with a 35% loss in surface area since 1970, and more than a quarter of resident species threatened with extinction. Anthropization contributes to the loss of these environments, and to their increasing chemical pollution, most notably from wastewater, industrial effluent, and agricultural runoff. Within these habitats, sentinel species can be used to assess the effects of environmental disturbances on biodiversity. Such species are resident, long-lived and exhibit measurable spatial and temporal response to environmental change. One example is the Mediterranean Pond Turtle (Mauremys leprosa), endemic of Mediterranean wetlands. Previous research has shown that this species can bioaccumulate pollutants and display contrasting physiological responses depending on the level of pollution in its aquatic habitat. This PhD thesis aimed to highlight the individual and demographic responses of M. leprosa to pollution-driven and seasonal environmental disturbances. An integrative approach combining ecotoxicology, population ecology and behavioral ecology has been used to meet the objectives of the thesis. This approach enabled us to characterize the functioning of three main populations of M. leprosa in France, and to highlight the responses of that species to environmental disturbances. The pollemyde thesis enhanced our knowledge of the ecology of M. leprosa and will serve to tailor conservation measures for the species, as part of the Plan National d'Actions now being implemented in France
3

Veríssimo, Joana Filipa da Silva. "Phylogeography and current patterns of genetic diversity and structure of the Mediterranean pond turtle." Master's thesis, 2014. https://repositorio-aberto.up.pt/handle/10216/89123.

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4

Veríssimo, Joana Filipa da Silva. "Phylogeography and current patterns of genetic diversity and structure of the Mediterranean pond turtle." Dissertação, 2014. https://repositorio-aberto.up.pt/handle/10216/89123.

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Частини книг з теми "Mediterranean Pond Turtle":

1

Loulida, Soumia, Mohammed Znari, Mohamed Naimi, and Safaa Bendami. "Population Structure and Body Size of the Sahara Blue-Eyed Pond Turtle Mauremys leprosa saharica, from an Isolated Pond in Southern Morocco." In Recent Advances in Environmental Science from the Euro-Mediterranean and Surrounding Regions (2nd Edition), 1033–38. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-51210-1_162.

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2

Bertolero, Albert, and Stephen D. Busack. "Mauremys leprosa (Schoepff in Schweigger 1812) – Mediterranean Pond Turtle, Spanish Terrapin, Mediterranean Stripe-necked Terrapin." In Chelonian Research Monographs. Chelonian Research Foundation and Turtle Conservancy, 2017. http://dx.doi.org/10.3854/crm.5.102.leprosa.v1.2017.

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