The deme of Q kept its population at 3250 until 9131.59 generations ago, when a linear change ensued until 7399.0519, to size 9636. Subsequently, a exponential decrease changed the numbers to 5365 individuals by 5615.0. Starting from 5615.0, the population has seen a reduction from 5365 to 177 at a exponential pace, continuing to this day.
time_units: generations
demes:
  - name: Q
    start_time: .inf
    epochs:
      - start_size: 3250
        end_time: 9131.59
      - start_size: 3250
        end_size: 9636
        end_time: 7399.0519
        size_function: linear
      - start_size: 9636
        end_time: 5615.0
        end_size: 5365
        size_function: exponential
      - end_time: 0
        start_size: 5365
        end_size: 177
        size_function: exponential