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：矮草、苔藓、林地、岩石
另需：高度高于 50 米的区域
| 自然目标 | 数量 |
|---|---|
| Mossy Cover | at least 300 |
| Tree Litter | at least 325 |
| Understorey Plants | at least 750 |
| Medium Rocky Cover | at least 50 |
| Conifers | at least 600 |
| Cold Hardy Trees | at least 225 |
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 |
|---|---|
| Terrestrial Seed Dispersers | African Savannah Elephant, Asian Elephant, Binturong, Black Rhinoceros, Black Wildebeest, Blue Wildebeest, Cape Buffalo, Common Ostrich, Eurasian Brown Bear, European Bison, Gemsbok, Malayan Tapir, Masai Giraffe, Mountain Hare, Nyala, Plains Zebra, Red Deer, Reticulated Giraffe, Sable Antelope, Siamang, Springbok, Sumatran Orangutan, Sun Bear |
| Soil Rooters | Aardvark, Common Warthog, Meerkat, North Sulawesi Babirusa, Sun Bear, Sunda Pangolin, Wild Boar |
