The population size of D deme stood at 3269 until a shift at 7849.9 generations ago, leading to a exponential change up to 5587.5021 generations and 2401 individuals. Following this, there was an exponential increase to 4604 individuals by 4212.0. Since 4212.0, the population has seen a linear changed from 4604 to 4659, continuing to the current time.
time_units: generations
demes:
  - name: D
    start_time: .inf
    epochs:
      - start_size: 3269
        end_time: 7849.9
      - start_size: 3269
        end_size: 2401
        end_time: 5587.5021
        size_function: exponential
      - start_size: 2401
        end_time: 4212.0
        end_size: 4604
        size_function: exponential
      - end_time: 0
        start_size: 4604
        end_size: 4659
        size_function: linear