Results 31 to 40 of about 2,641 (214)

Symmetrical Dimethylarginine as a Diagnostic Parameter in Hermann's Tortoises (Testudo hermanni)

open access: yesFrontiers in Veterinary Science, 2022
BackgroundDespite improvements in habitational conditions, kidney disease is relatively common in tortoises.ObjectivesPurpose of this study was the establishment of Symmetrical dimethylarginine (SDMA) reference values for clinically healthy Hermann's ...
Verena Lehmann   +7 more
doaj   +1 more source

Subsistence-Level Chelonian Exploitation on the Rio Negro and One Viable Alternative [PDF]

open access: yes, 2016
In the Rio Negro, the third-largest tributary of the Amazon, many turtle species have been important commercial and protein resources for centuries for populations of humans living in the region.
Schneider, Larissa   +6 more
core   +1 more source

Conservation status of freshwater turtles in Hainan Island, China: Interviews and field surveys at Yinggeling nature reserve [PDF]

open access: yes, 2015
© 2015 Chelonian Research Foundation. Overexploitation has led to the drastic decline of most Asian freshwater turtle populations. We examined the distribution and current status of freshwater turtles using interviews and field surveys in Yinggeling ...
Chan, Bosco Pui Lok   +7 more
core   +1 more source

Embryonic Growth Rate Thermal Reaction Norm of Mediterranean Caretta caretta Embryos from Two Different Thermal Habitats, Turkey and Libya [PDF]

open access: yes, 2017
Ectothermic species are strongly affected by thermal changes. To assess the viability of these species under climate change constraints, we need to quantify the sensitivity of their life history traits to temperature.
Jribi, Imed   +16 more
core   +1 more source

Too Hot to Nest? In a Hot Summer the Tortoise Chersina angulata Can Switch From Nesting to Facultative Viviparity

open access: yesFrontiers in Ecology and Evolution, 2022
In a captive colony of Chersina angulata in Cape Town, South Africa, we observed in 2015/16 retention of the last egg clutch inside the female until the hatching stage was reached, conforming to the generally accepted definition of viviparity ...
Gerald Kuchling, Margaretha D. Hofmeyr
doaj   +1 more source

Body and testicular biometric parameters of the scorpion mud turtle (Kinosternon scorpioides)

open access: yesActa Scientiarum: Biological Sciences, 2014
The reptile Kinosternon scorpioides is a freshwater chelonian, popularly known as jurará, and is found in the Baixada Maranhense, Maranhão State, Brazil.
Diego Carvalho Viana   +5 more
doaj   +1 more source

Nesting and neonates of the yellow-spotted river turtle (Podocnemis unifilis, Podocnemididae) in the Araguari River basin, eastern Amazon, Brazil [PDF]

open access: yesActa Amazonica, 2014
Predation and alteration of microhabitats may represent high risk for nesting of Amazonian turtles. This study aimed at investigating the nesting and body parameters of neonates of Podocnemis unifilis in the Araguari River basin, State of Amapá, Brazil ...
Débora Regina dos Santos Arraes   +1 more
doaj   +1 more source

Projected changes in climatic suitability for Kinosternon turtles by 2050 and 2070

open access: yesEcology and Evolution, 2016
Chelonians are expected to be negatively impacted by climate change due to limited vagility and temperature‐dependent sex determination. However, few studies have examined how freshwater turtle distributions may shift under different climate change ...
Christopher J. Butler   +4 more
doaj   +1 more source

DNA barcoding reveals CITES-listed species among Taiwanese government-seized chelonian specimens [PDF]

open access: yes, 2018
Compared to traditional morphological identification, DNA barcodingâ molecular identification based on sequencing of a segment of mitochondrial cytochrome c oxidase subunit I (COI)â provides a shortcut to authenticating chelonian identifications. Here,
Chen, Ting-Yu   +13 more
core   +1 more source

Inventorization of Chelonian species of Dhubri district of Assam [PDF]

open access: yes, 2022
Chelonian is the most primitive poikilothermous animals, amphibious in nature and have adapted to various ways of life. The present study inventorization of chelonian species of Dhubri district, Assam indicates that the district is very rich in turtle ...
D. K. Sharma, Bhabesh Nath
core   +1 more source

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