Trachemys scripta elegans scorecard

Spread Rate Broad freshwater habitat; typically if human access they are present; fairly pollution tolerant. 4
Spread Amount Survive well; average 1-5 cluches per year, each clutch contains 2-20 eggs (6-11 is average). Widespread and common in CA; in southern CA, more common than native Western pond turtle. 5
Ecological An omnivore, voracious predator that may threaten the survival of native animals, consume young game fish, compete with native turtles for food/ nesting/ cover habitat, and transmit parasites and diseases to which native turtles are not immune. 4
Agricultural 0
Infrastructure 0
Cultural Pet trade; this is common route through which turtles have been introduced into the native habitat in California. 4
Health Disease - salmonella is an issue and smaller turtles are outlawed in CA because of this issue. 1
Ecological 0
Agricultural 0
Infrastructure 0
Cultural Popular stew meat 1
Benefit Health 0
Ability to Respond
Ease of ResponseNotesScore
Detection visual and trapping surveys 3
Control Removal of individuals through trapping and draining of the infested water body 1
Tools in PlaceNotesScore
Entry High volume in pet trade, introductions to wild are believed unwanted pets that have been dropped off. 0
Control Badly needed in shrinking riparian habitat in California. 0
Outreach Low awareness of CA public. Herp trade releases likely cause of current CA populations. 0
Scorecard Totals
Impact Total:
[Impact] = ([Spread] + [Damage] - [Benefit])
Ability to Respond Total:
[Ability to Respond] = ([Ease of Response] + [Tools in Place])
Confidence:  high