Initially, the B deme maintained a population of 1439 until 8026.282 generations ago. From 8026.282 to 5530.0, its size grew linearly to population size 3739. A exponential change ensued, culminating in 8442 individuals by 849.33. Starting from 849.33 generations ago, the population has increased from 8442 to 9585, at a linear rate.
time_units: generations
demes:
  - name: B
    start_time: .inf
    epochs:
      - start_size: 1439
        end_time: 8026.282
      - start_size: 1439
        end_size: 3739
        end_time: 5530.0
        size_function: linear
      - start_size: 3739
        end_time: 849.33
        end_size: 8442
        size_function: exponential
      - end_time: 0
        start_size: 8442
        end_size: 9585
        size_function: linear