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The Jackson ratio is calculated by taking the weight of the tortoise in grams and dividing it by the cube of the length of the tortoise's carapace in centimeters. [1] This is essentially a value of the density of the tortoise in g/cm 3. The optimal value for this ratio is 0.21 with a range of 0.18–0.22 being acceptable for hibernation.
This species of tortoise can be seen everywhere in Ban Kok, a village in Suan Mon sub-district, Mancha Khiri district about 50 km (31.1 mi) from Khon Kaen city in Isan (northeastern) Thailand. These tortoises habitually coexisted with the villagers with nothing to harm them for more than 200 years since the village was founded.
The Pinta Island tortoise [4] (Chelonoidis niger abingdonii [2] [5]), also known as the Pinta giant tortoise, [2] Abingdon Island tortoise, [1] or Abingdon Island giant tortoise, [2] is a recently extinct subspecies of Galápagos tortoise native to Ecuador's Pinta Island.
Sequence evolution at least in mtDNA is known to proceed much more slowly in some turtles and tortoises than in others; [5] the rate of the mitochondrial 12S rRNA gene in Testudo is probably a rather low 1.0–1.6% per million years (as this fits best the paleobiogeographical situation), limiting the resolution provided by molecular systematics ...
Testudo hermanii [sic] Gerlach, 2001 ; Testudo hermannii [sic] Claude & Tong, 2004 (ex errore) Eurotestudo hermanni — de Lapparent de Broin et al., 2006; T. h. boettgeri. Testudo graeca var. boettgeri Mojsisovics, 1889; Testudo graeca var. hercegovinensis F. Werner, 1899; Testudo enriquesi Parenzan, 1932; Testudo hermanni boettgeri — Bour, 1987
Paleobiogeographical considerations suggest the rate of evolution of the mitochondrial 12S rRNA gene is 1.0-1.6% per million years for the last dozen million years or so in the present genus [4] and ntDNA evolution rate has been shown to vary strongly even between different population of T. hermanni; [5] this restricts sequence choice for ...
The species was described by Louis Michel François Doyère in 1840; he placed it in the genus Emydium. [1]G. Ramazzotti and W. Maucci classified E. filamentos mongoliensis Iharos, 1973 [4] as a synonym of E. testudo in 1983; this was followed by other tardigradologists. [5]
The Greek tortoise (Testudo graeca), also known commonly as the spur-thighed tortoise [1] or Moorish tortoise, [3] is a species of tortoise in the family Testudinidae. Testudo graeca is one of five species of Mediterranean tortoises ( genera Testudo and Agrionemys ).