The deme of L kept its population at 4606 until 9508.63 generations ago, when a linear decrease ensued until 7104.728, to size 3294. Subsequently, a linear change changed the numbers to 4529 individuals by 3748.714. Starting from 3748.714, the population has seen a reduction from 4529 to 4055 at a linear pace, continuing to this day.
time_units: generations
demes:
  - name: L
    start_time: .inf
    epochs:
      - start_size: 4606
        end_time: 9508.63
      - start_size: 4606
        end_size: 3294
        end_time: 7104.728
        size_function: linear
      - start_size: 3294
        end_time: 3748.714
        end_size: 4529
        size_function: linear
      - end_time: 0
        start_size: 4529
        end_size: 4055
        size_function: linear