Initially, the population size of deme H stood at 8404, but this changed 5677.057 generations ago when it reduced to 3866, and it has been stable at that size up to today.
time_units: generations
demes:
  - name: H
    start_time: .inf
    epochs:
      - start_size: 8404
        end_time: 5677.057
      - start_size: 3866
        end_time: 0