Originally, deme H had a population size of 8553, which decreased to 2469 around 3838.876 generations ago and has not changed since.
time_units: generations
demes:
  - name: H
    start_time: .inf
    epochs:
      - start_size: 8553
        end_time: 3838.876
      - start_size: 2469
        end_time: 0