scholarly journals Evidence for coloration plasticity in the yellow‐bellied toad, Bombina variegata

2021 ◽  
Author(s):  
Kathleen Preißler ◽  
Ariel Rodríguez ◽  
Heike Pröhl
Keyword(s):  
Animals ◽  
2021 ◽  
Vol 11 (4) ◽  
pp. 953
Author(s):  
Tamara G. Petrović ◽  
Ana Kijanović ◽  
Nataša Kolarov Kolarov Tomašević ◽  
Jelena P. Gavrić ◽  
Svetlana G. Despotović ◽  
...  

In this paper, we examined how the oxidative status (antioxidant system and oxidative damage) of Bombina variegata larvae changed during the metamorphic climax (Gosner stages: 42—beginning, 44—middle and 46—end) and compared the patterns and levels of oxidative stress parameters between individuals developing under constant water availability (control) and those developing under decreasing water availability (desiccation group). Our results revealed that larvae developing under decreasing water availability exhibited increased oxidative damage in the middle and end stages. This was followed by lower levels of glutathione in stages 44 and 46, as well as lower values of catalase, glutathione peroxidase, glutathione S-transferase and sulfhydryl groups in stage 46 (all in relation to control animals). Comparison between stages 42, 44 and 46 within treatments showed that individuals in the last stage demonstrated the highest intensities of lipid oxidative damage in both the control and desiccation groups. As for the parameters of the antioxidant system, control individuals displayed greater variety in response to changes induced by metamorphic climax than individuals exposed to desiccation treatment. The overall decrease in water availability during development led to increased oxidative stress and modifications in the pattern of AOS response to changes induced by metamorphic climax in larvae of B. variegata.


2017 ◽  
Vol 61 (1-2) ◽  
pp. 17-27
Author(s):  
Leokadia Kiełbówna ◽  
Marta Migocka-Patrzałek
Keyword(s):  

2010 ◽  
Vol 31 (4) ◽  
pp. 558-562 ◽  
Author(s):  
Rodica Plăiaşu ◽  
Tibor Hartel ◽  
Raluca Ioana Băncilă ◽  
Dan Cogălniceanu ◽  
Joost Smets

AbstractBody condition is important because it is correlated with population and habitat quality parameters. Since the direct measurements are either lethal or unreliable, a wide range of non-lethal body condition indices has been proposed. The aim of our study was to apply and compare three body condition indices (Fulton's index, relative body condition mass index and residual index) using body size indicator – body mass data for 24 populations of the yellow bellied toad (Bombina variegata). The condition index should be independent of body size indicator, in this case snout vent length (SVL). Therefore we tested all three indices for the statistical independence of SVL and for the normality of distribution. Fulton's index violated the independence assumption, whereas the relative body condition mass index did not have a normal distribution. Residual index was found both independent of SVL and normally distributed. Moreover, the residual index highlighted biological significant differences on the basis of altitude and season. Our results recommend the residual index as a useful tool in amphibian monitoring and conservation.


1984 ◽  
Vol 5 (2) ◽  
pp. 81-86 ◽  
Author(s):  
Barbara Płytycz ◽  
Janusz Bigaj

Yellow-bellied toads were studied in their natural environment in a mountain locality in south-eastern Poland. In June 1981, 353 specimens were captured in a small area, marked by yellow skin autografts, and released. 49 individuals were recaptured in July 1982 in the same area, and 17 animals were recaptured at other places 200-1200 m away. Movements were carried out mainly by juveniles. Large increases in body length of young individuals, probably yearlings, and small growth rates in older individuals, were generally found.


Sign in / Sign up

Export Citation Format

Share Document