The J deme's size was 8148 until 4198.1 generations ago, when it began a exponential increase, reaching 9392 individuals by 1017.8324. After this period, the population underwent an linear decrease, reaching 8234 individuals by 797.995. From 797.995 generations ago to now, the population reduced from 8234 to 4787 at a linear rate.
time_units: generations
demes:
  - name: J
    start_time: .inf
    epochs:
      - start_size: 8148
        end_time: 4198.1
      - start_size: 8148
        end_size: 9392
        end_time: 1017.8324
        size_function: exponential
      - start_size: 9392
        end_time: 797.995
        end_size: 8234
        size_function: linear
      - end_time: 0
        start_size: 8234
        end_size: 4787
        size_function: linear