Ability to Respond Total:10 / 25Ability to Respond = ( Ease of Response + Tools in Place )
Confidence:High
Confidence Notes:
Impact
Spread
Notes
Score
Spread Rate
Rapid spread is reported in Pt. Reyes and Hawaii. In 1972 Elliott concluded that the axis deer population of 401, though increasing at 22%/ year, was below carrying capacity.
5
Spread Amount
Axis deer have spread throughout agricultural zone of PRNS and have been observed as far as 6 miles outside of the park. This species has spread extensively in Texas (escapees from game ranches) and Hawaii.
5
Damage
Notes
Score
Ecological
4
Agricultural
Axis deer have been observed depredating on agricultural pastures and consume livestock forage at PRNS.
3
Infrastructure
2
Cultural
0
Health
In a study conducted at PRNS in 1979, paratuberculosis was documented in 9.6% and 8.1% of axis and fallow deer, respectively (Riemann et al. 1979b). Johne's disease has been linked in some of the literature to Crohn's Disease, a human disease.
