Greek tortoise environment
Source: Merck Veterinary Manual (merckvetmanual.com), a copyrighted professional veterinary reference. Per COPYRIGHT_POLICY §3, the points below are paraphrased derived fact summaries: numerical values and proper nouns are preserved from the source, but sentences are rewritten and not quoted verbatim.
Claims
*[Paraphrased derived summary — non-Open-Access source.]* Greek tortoises are terrestrial temperate-to-subtropical tortoises; recommended 20–28°C (68–82°F) at 30–50% relative humidity. *[Paraphrased derived summary — non-Open-Access source.]* UVB light (290–300 nm) is especially important for most day-active lizards and chelonians for vitamin D3 synthesis and calcium regulation. *[Paraphrased derived summary — non-Open-Access source.]* Broad-spectrum (UVB 290–300 nm) lighting is recommended. *[Paraphrased derived summary — non-Open-Access source.]* Humid microclimates are often critical for arid species (e.g. tortoises, leopard geckos) to reduce shell pyramiding and abnormal sheds. *[Paraphrased derived summary — non-Open-Access source.]* In colder climates, large tortoises kept outdoors need a heated shelter.