Amphibian Identification:
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Amphibians (PDF) in many ecosystems can be considered keystone species and are good indicators in bio-assessments of the health of aquatic systems (EPA 2002).Population distributions, especially with salamanders, appear to be extremely limited and patchy and are dependent on constant water temperatures near spring openings.
The Blanco River Springs Salamander is found only in the Blanco River flowing through Blanco, Hays and Kendall Counties (Figure 19 (JPEG)). With such a narrow and specific range of habitat, the successful management of such organisms depends on several critical factors, including water quality and quantity parameters which can be greatly influenced by development and other human activities.
Blanco Water Atlas 
