Re: [ECOLOG-L] Tempearature dependant sex determination

2008-10-28 Thread Wirt Atmar
Luis J. Villanueva-Rivera writes: > This paper answers the question: > > Warner, D. A., and R. Shine. 2008. The adaptive significance of > temperature-dependent sex determination in a reptile. Nature 451, > 566-568. The Warner & Shine paper above resurrects the 30-year old Charnov-Bull model for

Re: [ECOLOG-L] Tempearature dependant sex determination

2008-10-28 Thread Luis J. Villanueva
Hi, This paper answers the question: Warner, D. A., and R. Shine. 2008. The adaptive significance of temperature-dependent sex determination in a reptile. Nature 451, 566-568. Luis J. Villanueva-Rivera [EMAIL PROTECTED] http://research.CoquiPR.com http://www.AvesPR.org Doctoral Graduate Student

Re: [ECOLOG-L] Tempearature dependant sex determination

2008-10-28 Thread Martin Meiss
Hi, Thilina, et al., I don't think there is any single or simple answer to this question. First of all, as Wirt Atmar's answer point's out, historical factors are certainly very important. Some evolutionary "decisions" were made in the Carboniferous, and we are still living with the consequ

Re: [ECOLOG-L] Tempearature dependant sex determination

2008-10-27 Thread Wirt Atmar
Thilina asks: > I have a question on the temperature dependant sex determination of > reptiles. What is the evolutionary or ecological advantage of such a > phenomena, especially in reptiles when the females are produced under both > low and high temperature extremities? The simple answer is that

[ECOLOG-L] Tempearature dependant sex determination

2008-10-27 Thread Thilina Surasinghe
Hi all I have a question on the temperature dependant sex determination of reptiles. What is the evolutionary or ecological advantage of such a phenomena, especially in reptiles when the females are produced under both low and high temperature extremities? -- Thilina Dilan Surasinghe (BS in Zoo