Amphibia - Reptilia
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Sắp xếp:
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
Uncovered genetic diversity in Hemidactylus mabouia (Reptilia: Gekkonidae) from Madeira Island reveals uncertain sources of introduction 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...
Amphibia - Reptilia - Tập 42 Số 3 - Trang 369-375 - 2021
Beaver ponds as habitat of amphibian communities in a central European highland
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 th... ...
Amphibia - Reptilia - Tập 28 Số 4 - Trang 493-501 - 2007
Beavers (Castor fiber) increase habitat availability, heterogeneity and connectivity for common frogs (Rana temporaria)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 w... ...
Amphibia - Reptilia - Tập 35 Số 3 - Trang 321-329 - 2014
West Palearctic cobras of the genus Naja (Serpentes: Elapidae): interrelationships among extinct and extant species
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 ge... ...
Amphibia - Reptilia - Tập 11 Số 4 - Trang 385-400 - 1990
Demographic life history traits of reproductive natterjack toads (Bufo calamita) vary between northern and southern latitudesAbstract Demographic 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 perio...
Amphibia - Reptilia - Tập 27 Số 3 - Trang 365-375 - 2006
The temperature-sensitive period (TSP) during incubation of broad-snouted caiman (Caiman latirostris) eggs
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-sen... ...
Amphibia - Reptilia - Tập 28 Số 1 - Trang 123-128 - 2007
Susceptibility of frog (Rana temporaria) and toad (Bufo bufo) eggs to invasion by SaprolegniaAbstract Infections 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 th...
Amphibia - Reptilia - Tập 24 Số 3 - Trang 261-268 - 2003
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