The deme of T kept its population at 5376 until 7812.782 generations ago, when a exponential reduction ensued until 7102.452, to size 2849. Subsequently, a linear increase changed the numbers to 4273 individuals by 627.5101. Starting from 627.5101, the population has seen a decrease from 4273 to 1905 at a linear pace, continuing to this day.
time_units: generations
demes:
  - name: T
    start_time: .inf
    epochs:
      - start_size: 5376
        end_time: 7812.782
      - start_size: 5376
        end_size: 2849
        end_time: 7102.452
        size_function: exponential
      - start_size: 2849
        end_time: 627.5101
        end_size: 4273
        size_function: linear
      - end_time: 0
        start_size: 4273
        end_size: 1905
        size_function: linear