The T deme held its population size constant at 5719 until 9949.5 generations ago, then experienced a linear change up to 2769 individuals by time 4849.6. This was followed by an linear decrease, resulting in 2100 individuals by 2134.82. From 2134.82 generations onward to the present, the population has been on a exponential reduction from 2100 to 279.
time_units: generations
demes:
  - name: T
    start_time: .inf
    epochs:
      - start_size: 5719
        end_time: 9949.5
      - start_size: 5719
        end_size: 2769
        end_time: 4849.6
        size_function: linear
      - start_size: 2769
        end_time: 2134.82
        end_size: 2100
        size_function: linear
      - end_time: 0
        start_size: 2100
        end_size: 279
        size_function: exponential