The N deme had a size of 9187 until 4034.0 generations ago. From 4034.0 generations to time 3618.79, its size reduced linearly to 4307 individuals. After that, until 2066.2, the population had a linear change to 4399 individuals. It then reduced from 4399 to 2465, starting 2066.2 generations ago, until current times, at a exponential rate.
time_units: generations
demes:
  - name: N
    start_time: .inf
    epochs:
      - start_size: 9187
        end_time: 4034.0
      - start_size: 9187
        end_size: 4307
        end_time: 3618.79
        size_function: linear
      - start_size: 4307
        end_time: 2066.2
        end_size: 4399
        size_function: linear
      - end_time: 0
        start_size: 4399
        end_size: 2465
        size_function: exponential