Growth and maturity of a terrestrial ectotherm near its northern distributional limit: does latitude matter?
Abstract:High-latitude environments are challenging for terrestrial ectotherms because short and cool active seasons generally limit the time available for foraging and growth, thereby negatively influencing life-history variables such as growth rate and age at maturity and ultimately, via fitness differences, their evolution. Many species show latitudinal clines in life-history traits, including growth rate and body size. We estimated growth curves of Plains Garter Snakes (
Keywords: Plains Garter Snake; Reptilia; Thamnophis radix; couleuvre des Plaines; croissance; cycle biologique; ecology; ectotherm; ectotherme; growth; haute latitude; high latitude; life history; maturity; maturité; reptiles; écologie
Document Type: Research Article
Publication date: June 16, 2012
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