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、土、林地
| 自然目标 | 数量 |
|---|---|
| Leaf Litter | at least 200 |
| Tree Litter | at least 170 |
| Mushrooms | at least 275 |
| Understorey Plants | at least 400 |
| Deciduous Trees | at least 400 |
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 |
|---|---|
| Low Browsers | Black Rhinoceros, Cape Buffalo, North Sulawesi Babirusa, Red Deer, Sable Antelope |
| 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 |
| Aerial Foragers | Eurasian Bittern, Golden Eagle, Great Hornbill, Long-Eared Owl, White-Backed Vulture, White-Tailed Sea-Eagle |
