Initially, the J deme's population count was 2976 until 9525.0 generations ago, at which point it began a exponential change until reaching size 1221 in 7297.409 generations. Post this phase, the deme experienced an exponential change to 4590 individuals by 2098.0. From 2098.0 generations ago to today, the number of individuals has decreased from 4590 to 2196 at a linear growth rate.
time_units: generations
demes:
  - name: J
    start_time: .inf
    epochs:
      - start_size: 2976
        end_time: 9525.0
      - start_size: 2976
        end_size: 1221
        end_time: 7297.409
        size_function: exponential
      - start_size: 1221
        end_time: 2098.0
        end_size: 4590
        size_function: exponential
      - end_time: 0
        start_size: 4590
        end_size: 2196
        size_function: linear