Western skink (Eumeces skiltonianus) COSEWIC assessment and status report: chapter 12

Range of Occurrence in Canada:

British Columbia

extent of occurrence (EO) (km²)

<2000 km²

specify trend (decline, stable, increasing, unknown) :

Unknown

are there extreme fluctuations in EO (> 1 order of magnitude)?

Unknown

area of occupancy (AO) (km²)

<200 km²

specify trend (decline, stable, increasing, unknown) :

Unknown

are there extreme fluctuations in AO (> 1 order magnitude)?

Possibly

number of extant locations :

Unknown

specify trend in # locations (decline, stable, increasing, unknown) :

Unknown

are there extreme fluctuations in # locations (>1 order of magnitude)?

Unknown

habitat trend: specify declining, stable, increasing or unknown trend in area, extent or quality of habitat :

Declining

generation time (average age of parents in the population) (indicate years, months, days, etc.) :

5 years

number of mature individuals (capable of reproduction) in the Canadian population (or, specify a range of plausible values) :

Unknown

total population trend:  specify declining, stable, increasing or unknown trend in number of mature individuals :

Unknown

if decline, % decline over the last/next 10 years or 3 generations, whichever is greater (or specify if for shorter time period)

–

are there extreme fluctuations in number of mature individuals (> 1 order of magnitude)?

Possibly

is the total population severely fragmented (most individuals found within small and relatively isolated (geographically or otherwise) populations between which there is little exchange, i.e., < 1 successful migrant / year)?

Probably yes

list each population and the number of mature individuals in each :

Unknown

specify trend in number of populations (decline, stable, increasing, unknown) :

Unknown

are there extreme fluctuations in number of populations (>1 order of magnitude)?

Possibly

does species exist elsewhere (in Canada or outside)?

Yes

status of the outside population(s)?

stable

is immigration known or possible?

Possible

would immigrants be adapted to survive here?

Yes

is there sufficient habitat for immigrants here?

Unknown