| Zylstra, E. R. (2007). The bolson tortoise (gopherus flavomarginatus): king of the (re-) wild frontier. Sonoran Herpetologist, 20(5), 50–54. |
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| Added by: Sarina Wunderlich 28 Feb 2010 12:08:05 UTC |
Pop. 3.75%
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| Zylstra, E. R., Steidl, R. J., & Swann, D. E. (2010). Evaluating survey methods for monitoring a rare vertebrate, the sonoran desert tortoise. Journal of Wildlife Management, 74(6), 1311–1318. |
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| Added by: Admin 25 Aug 2010 21:59:02 UTC |
Pop. 4.25%
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| Zylstra, E. R., Steidl, R. J., Jones, C. A., & Averill-Murray, R. (2010). Spatial and temporal variation in survival of a rare reptile: a 22-year study of sonoran desert tortoises. Oecologia, (online first). |
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| Added by: Sarina Wunderlich 18 Nov 2012 17:47:20 UTC |
Pop. 5%
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