Tiles

Dependent variable

Population growth

Productivity

Dependent upon

Level of technology, Government Policy

Population, Resources, Level of technology, Government Policy

Civilisation II terrain types:

    • Desert

    • Forest

    • Glacier

    • Grassland

    • Hills

    • Jungle

    • Mountains

    • Ocean

    • Plains

    • Swamp

    • Tundra

Possible additions to the above list:

    • Mountain plateau

    • Ocean shelf

    • Lake

    • Prairie

    • Savannah

    • Marsh

    • Boreal Forest

    • Mixed Forest

    • Conifer Forest

    • Tropical Forest

    • Rain Forest

    • Wetland Forest

    • Scrub Forest

    • Broadleaf Forest

    • Dunes (to distinguish from flat desert)

For more possible terrain types, see: http://en.wikipedia.org/wiki/Biome