Scenario Settings

# of iterations

# of times simulation is run

1000

# of years

# of years the population is modeled

50

Extinction definition

How extinction is defined in the model

1 sex remains

# of populations

# of populations to be modeled

1

[40]

Species Description

Inbreeding depression

The level and effect of inbreeding depression

3.14 lethal equivalents; 50% due to alleles

[45]

Reproductive System

Reproductive system

The mating system

Polygynous

[41]

Age of first reproduction in F

Age at which F begin breeding

2

[44]

Age of first reproduction in M

Age at which M begin breeding

2

[44]

Maximum age of reproduction

Age of F/M when breeding ends

13

[44]

Maximum # of progeny produced/year

Maximum # of offspring produced/F/year

3

[16]

Sex ratio at birth

Sex ratio of offspring at birth

1:1

[16] [41]

Density dependence in reproduction

Relationship between reproduction and population density

No relationship assumed

Reproductive Rates

% of adult F breeding

Proportion of F breeding each year

62%

[42]

EV in % breeding

Environmental variation in % of adult F breeding each year

3.74

[16]

Distribution of # of offspring/F/year

Statistical distribution characterizing the # of offspring produced each year

Normal Distribution

Mean # of offspring/F

2

[16]

SD in # of offspring/F

0.5

Mortality Rates

F mortality

Mortality of F as % and SD

18%, SD = 5.09

[38]

M mortality

Mortality of M as % and SD

3%, SD = 2.60

[38]

Mortality for age categories

No variation in survival across ages

[43]

Mate Monopolization

% males in breeding pool

% of adult M breeding each year

77%

Initial Population Size

Age distribution of initial population

Distribution of individuals by age at the beginning of the simulation

Stable age distribution

Initial population size

Number of individuals at the beginning of the simulation

250

[39] [40] [J. C. Sáenz, pers. comm.]

Carrying Capacity

Carrying capacity (K)

Carrying capacity of the environment

1000

[3]

SD in K

SD in carrying capacity of the environment

200