The population size of J deme stood at 2095 until a shift at 9505.2 generations ago, leading to a linear change up to 9492.756 generations and 5165 individuals. Following this, there was an linear change to 7135 individuals by 7913.0511. Since 7913.0511, the population has seen a exponential reduced from 7135 to 4982, continuing to the current time.
time_units: generations
demes:
  - name: J
    start_time: .inf
    epochs:
      - start_size: 2095
        end_time: 9505.2
      - start_size: 2095
        end_size: 5165
        end_time: 9492.756
        size_function: linear
      - start_size: 5165
        end_time: 7913.0511
        end_size: 7135
        size_function: linear
      - end_time: 0
        start_size: 7135
        end_size: 4982
        size_function: exponential