The O deme's size was 1346 until 8948.4 generations ago, when it began a exponential change, reaching 7000 individuals by 6019.0. After this period, the population underwent an exponential decrease, reaching 1519 individuals by 3564.663. From 3564.663 generations ago to now, the population increased from 1519 to 5422 at a exponential rate.
time_units: generations
demes:
  - name: O
    start_time: .inf
    epochs:
      - start_size: 1346
        end_time: 8948.4
      - start_size: 1346
        end_size: 7000
        end_time: 6019.0
        size_function: exponential
      - start_size: 7000
        end_time: 3564.663
        end_size: 1519
        size_function: exponential
      - end_time: 0
        start_size: 1519
        end_size: 5422
        size_function: exponential