Amphibia - Reptilia

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Determination of genetic diversity within the insular lizard Podarcis tiliguerta using mtDNA sequence data, with a reassessment of the phylogeny of Podarcis
Amphibia - Reptilia - Tập 26 Số 3 - Trang 401-407 - 2005
D. James Harris, Claudia Corti, Catarina Pinho, Miguel Á. Carretero, Böhme
Uncovered genetic diversity in Hemidactylus mabouia (Reptilia: Gekkonidae) from Madeira Island reveals uncertain sources of introduction
Amphibia - Reptilia - Tập 42 Số 3 - Trang 369-375 - 2021
Catarina Rato, Beatriz Martins, Ricardo Rocha, Iolanda Silva‐Rocha
Abstract Hemidactylus mabouia is one of the most widely distributed species within its genus. It was first reported to Madeira in 2002 and the first individuals were considered to have originated from Cape Verde. Almost 20 years later, we found that H. mabouia has substantially expanded its distribution and can now be found >10 km away from Funchal, where it was first reported. Based on a 12S phyl... hiện toàn bộ
Beaver ponds as habitat of amphibian communities in a central European highland
Amphibia - Reptilia - Tập 28 Số 4 - Trang 493-501 - 2007
Lutz Dalbeck, Beatrice Lüscher, Dagmar Ohlhoff
Abstract The Eurasian beaver Castor fiber, formerly occurred across the Palaearctic, but was nearly eradicated in the 19th century. Due to reintroductions in the 20th century, beaver populations are increasing and now extend into highland areas. Natural still waters are scarce in highlands of Central Europe. Therefore the question arises, “Are beaver ponds essential habitats for amphibians?”, espe... hiện toàn bộ
Beavers (Castor fiber) increase habitat availability, heterogeneity and connectivity for common frogs (Rana temporaria)
Amphibia - Reptilia - Tập 35 Số 3 - Trang 321-329 - 2014
Lutz Dalbeck, Joyce Janssen, Sophie Luise Völsgen
Beavers (Castor fiber), as typical ecosystem engineers, alter living conditions especially for amphibians through the building of dams and felling of trees, thereby changing the hydroperiod and substantially affecting forest succession stages. In this study we quantify the effects of beavers on the availability of amphibian breeding waters in the Hürtgenwald, a woodland area in the Central Europea... hiện toàn bộ
West Palearctic cobras of the genus Naja (Serpentes: Elapidae): interrelationships among extinct and extant species
Amphibia - Reptilia - Tập 11 Số 4 - Trang 385-400 - 1990
Zbigniew Szyndlar, Jean‐Claude Rage
Abstract Some basic osteological cranial features of living and fossil members of the genus Naja are described. The extinct genus Palaeonaja Hoffstetter, 1939, is synonymized with the modern Naja Laurenti, 1768, and the extinct species Palaeonaja crassa Hoffstetter, 1939, is synonymized with Naja romani (Hoffstetter, 1939). Anatomically, the genus Naja can be divided into two main complexes, compo... hiện toàn bộ
Demographic life history traits of reproductive natterjack toads (Bufo calamita) vary between northern and southern latitudes
Amphibia - Reptilia - Tập 27 Số 3 - Trang 365-375 - 2006
Delfí Sanuy, Neus Oromi Farrús, Neus Oromí, Ulrich Sinsch
AbstractDemographic life history traits were investigated in three Bufo calamita populations in Germany (Rhineland-Palatinate: Urmitz, 50°N; 1998-2000) and Spain (Catalonia: Balaguer, Mas de Melons, 41°N; 2004). We used skeletochronology to estimate the age as number of lines of arrested growth in breeding adults collected during the spring breeding period (all localities) and during the summer br... hiện toàn bộ
The temperature-sensitive period (TSP) during incubation of broad-snouted caiman (Caiman latirostris) eggs
Amphibia - Reptilia - Tập 28 Số 1 - Trang 123-128 - 2007
Carlos I. Piña, Pablo Siroski, Alejandro Larriera, Valentine A. Lance, Luciano M. Verdade
Abstract All crocodiles studied to date exhibit temperature-dependent sex determination. During the many weeks from egg laying to hatch there is a period of 10 to 15 d in the middle third of incubation (in the American alligator) during which the sex of the embryo is irreversibly fixed, referred to as the temperature-sensitive period or TSP. In this work we investigated the TSP in Caiman latirostr... hiện toàn bộ
Susceptibility of frog (Rana temporaria) and toad (Bufo bufo) eggs to invasion by Saprolegnia
Amphibia - Reptilia - Tập 24 Số 3 - Trang 261-268 - 2003
Richard A. Griffiths, James Robinson, P. Jeffries
AbstractInfections of amphibian eggs sometimes cause catastrophic losses of reproductive effort, but susceptibility to infection in different species is poorly understood. Using laboratory trials we showed that direct hyphal invasion of adjacent eggs by Saprolegnia caused a higher incidence of infection than invasion by zoospores. Moreover, we observed that dead eggs were much more readily coloniz... hiện toàn bộ
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