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    Author(s): Donald J. Brown; Amanda D. Schultz; James R. Dixon; Brian E. Dickerson; Michael R. J. Forstner
    Date: 2012
    Source: Chelonian Conservation and Biology. 11(1): 138-143.
    Publication Series: Scientific Journal (JRNL)
    Station: Rocky Mountain Research Station
    PDF: View PDF  (199.7 KB)

    Description

    In 2009, we repeated a freshwater turtle survey first conducted in 1976 in the Lower Rio Grande Valley (LRGV) of Texas to determine whether the abundance of freshwater turtles in the LRGV has changed over the past three decades. We captured significantly fewer red-eared sliders (Trachemys scripta elegans) and Texas spiny softshells (Apalone spinifera emoryi) in 2 recently urbanized counties (Cameron and Hidalgo), and more red-eared sliders and Texas spiny softshells in a nonurbanized county (Willacy). Landuse changes, increased urbanization, and commercial turtle harvest are likely responsible for the decline of freshwater turtles in the LRGV.

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    Citation

    Brown, Donald J.; Schultz, Amanda D.; Dixon, James R.; Dickerson, Brian E.; Forstner, Michael R. J. 2012. Decline of red-eared sliders (Trachemys scripta elegans) and Texas spiny softshells (Apalone spinifera emoryi) in the Lower Rio Grande Valley of Texas. Chelonian Conservation and Biology. 11(1): 138-143.

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    Keywords

    red-eared sliders, Trachemys scripta elegans, Texas spiny softshells, Apalone spinifera emoryi, Lower Rio Grande Valley (LRGV)

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