Literaturdatenbank
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Blankenship, E. L., Butterfield, B. P., & Godwin, J. C. (2008). Graptemys nigrinoda cagle 1954 – black-knobbed map turtle, black-knobbed sawback. In A. G. J. Rhodin, P. P. van Dijk, R. A. Saumure, K. A. Buhlmann & J. B. Iverson (Eds.), Vol. 5IUCN/SSC Tortoise and Freshwater Turtle Specialist Group.
Added by: Admin (01 Feb 2009 18:30:24 UTC) |
| Resource type: Book Article BibTeX citation key: Blankenship2008 View all bibliographic details  |
Categories: General Keywords: Emydidae, Graptemys, Graptemys nigrinoda, Graptemys oculifera, Habitat = habitat, Nordamerika = North America, Schildkröten = turtles + tortoises Creators: , Blankenship, Buhlmann, Butterfield, van Dijk, Godwin, Iverson, Rhodin, Saumure Publisher: IUCN/SSC Tortoise and Freshwater Turtle Specialist Group |
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Summary. – The black-knobbed map turtle, Graptemys nigrinoda (Family Emydidae), is a medium-sized aquatic turtle of the southeastern United States. It is limited in its range to the Mobile Bay drainages of Alabama and Mississippi. The turtle prefers large to medium-sized river systems. Little information is available on the habits or life history of this species. The black-knobbed map turtle is listed as Endangered by the state of Mississippi and a Protected Nongame Species by the state of Alabama. The current IUNC Red List Status of G. nigrinoda is Near Threatened, but a revised status of Least Concern is recommended in light of recent surveys in which G. nigrinoda was the most commonly observed and collected species of emydid within its range. Distribution. – USA. Restricted to Mobile Bay drainages of Alabama and Mississippi. Synonymy. – Graptemys nigrinoda Cagle 1954, Graptemys oculifera nigrinoda, Malaclemys nigrinoda. Subspecies. – Two recognized: Graptemys nigrinoda nigrinoda (Northern Black-Knobbed Map Turtle) and Graptemys nigrinoda delticola Folkerts and Mount 1969 (Southern Black-Knobbed Map Turtle).
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