建立要求
生态系统建立前，该区域所需绘制的地形、自然目标和水。
地形：草地、湿地沉积物、积水
| 自然目标 | 数量 |
|---|---|
| Small Rocky Cover | at least 120 |
| Medium Rocky Cover | at least 45 |
| Semi-Aquatic Plants | at least 400 |
| Shrubs | at least 150 |
繁荣要求
野放的动物必须填满的物种角色，已建立的生态系统才会繁荣。
| 物种角色 | 填补它的物种 |
|---|---|
| Wetland Engineers | Asian Small-Clawed Otter, Common Hippopotamus, Eurasian Beaver |
| Terrestrial Foragers | Aardvark, African Savannah Elephant, Asian Elephant, Binturong, Eurasian Beaver, Siamang, Sumatran Orangutan |
