Until 6995.2337 generations ago, the C deme's population was fixed at 7974. From 6995.2337 to 6341.1, it underwent a linear decrease to 7651 individuals. Then, a linear reduction brought the count to 4803 by 1072.0. Since then, from 1072.0 generations to the current day, the population has reduced from 4803 to 1964 at a exponential rate.
time_units: generations
demes:
  - name: C
    start_time: .inf
    epochs:
      - start_size: 7974
        end_time: 6995.2337
      - start_size: 7974
        end_size: 7651
        end_time: 6341.1
        size_function: linear
      - start_size: 7651
        end_time: 1072.0
        end_size: 4803
        size_function: linear
      - end_time: 0
        start_size: 4803
        end_size: 1964
        size_function: exponential