| Bour, R. (2008). Global diversity of turtles (chelonii; reptilia) in freshwater. Hydrobiologia, 595(1), 593–598. |
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| Added by: Admin 14 Aug 2008 20:34:31 UTC |
Pop. 2.75%
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| Jeffree, R. A. (1991). An experimental study of 226ra and 45ca accumulation from the aquatic medium by freshwater turtles (fam. chelidae) under varying ca and mg water concentrations. Hydrobiologia, 218(3), 205–231. |
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| Last edited by: Beate Pfau 28 Dec 2009 18:38:09 UTC |
Pop. 3.25%
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| Schmitter-Soto, J. J., Comín, F. A., Escobar-Briones, E., Herrera-Silveira, J., Alcocer, J., & Suárez-Morales, E., et al. (2002). Hydrogeochemical and biological characteristics of cenotes in the yucatan peninsula (se mexico). Hydrobiologia, 467(1-3), 215–228. |
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| Added by: Admin 13 Dec 2008 22:23:55 UTC |
Pop. 3.25%
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| Sparks, R. E. (2010). Forty years of science and management on the upper mississippi river: an analysis of the past and a view of the future. Hydrobiologia, 640(1), 3–15. |
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| Added by: Sarina Wunderlich 28 Feb 2010 12:07:45 UTC |
Pop. 1.75%
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