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Recovery Strategy for the Tiger Salamander (Ambystoma tigrinum) (Great Lakes Population) in Canada (Proposed)


Appendix 1

Subnational Ranks of the Tiger Salamander (A. t. tigrinum),
including the Great Lakes population (NatureServe 2007)
S-Rank*State/Province
S1Delaware, Louisiana, Mississippi, Virginia
S1S2New York
S2Maryland, New Jersey, North Carolina
S2S3South Carolina
S3Alabama, Arkansas, Florida, Ohio
S3S4Georgia, Michigan
S4Indiana, Kentucky, Wisconsin
S5Illinois, Iowa, Tennessee
SH 
SNRMinnesota, Missouri, Texas
SXOntario
SU 

* Each state or province's Conservation Data Centre assigns subnational ranks. They are not legal designations, but reflect the relative rarity of the species within that jurisdiction.

S1
Extremely rare; usually 5 or fewer occurrences in the state/province or very few remaining individuals; often especially vulnerable to extirpation.

S2
Very rare; usually between 5 and 20 occurrences in the state/province or with many individuals in fewer occurrences; often susceptible to extirpation.

S3
Rare; usually between 20 and 100 occurrences in the province; may have fewer occurrences, but large number of individuals in some populations; may be susceptible to large-scale disturbances.

S4
Uncommon; but not rare; some cause for long-term concern due to declines or other factors.

S5
Common; widespread and abundant.

SH
Historically known from the state/province, but not verified recently (typically not recorded in the state/province in the last 20 years).

SX
Apparently extirpated, with little likelihood of rediscovery. Typically not seen in the state/province for many decades, despite searches at known historic sites.

SU
Unrankable. Currently unrankable due to lack of information or due to substantially conflicting information about status or trends.

SNR
Not ranked.
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