100 lines
4.7 KiB
Markdown
100 lines
4.7 KiB
Markdown
# Fertility
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**Entity Type:** SystemEntity
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## Description
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Fertilities determine which resources are available on each island. Each island in Anno 117: Pax Romana has different fertilities, and some are unique to specific regions (Latium or Albion). As your empire expands, you will need goods from both regions to satisfy higher-tier citizens.
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## Checking Fertilities
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- View current island fertilities at the bottom left of the screen, near the mini map
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- Discovered islands can be viewed in the Province map
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- Building tooltips show fertility requirements
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## Universal vs Fertility-Dependent Resources
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Not all resources require a fertility. Some crops like Oat and Hemp can be grown on any island. However, resources that do require a fertility must be obtained through:
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- Settling compatible islands
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- Setting up trade routes
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- Purchasing from rival factions
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## Fertility Table
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| Fertility | Region | Uses |
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|-----------|--------|------|
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| Mackerel | Latium | Garum |
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| Lavender | Latium | Soap |
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| Flax | Latium, Albion | Togas, Wigs |
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| Murex Snail | Latium | Togas, Loungers |
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| Iron | Latium, Albion | Weapons & Armor |
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| Resin | Latium, Albion | Amphorae, Wigs |
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| Olives | Latium | Olive Oil |
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| Sandarac | Latium | Writing Tablets, Loungers |
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| Oyster | Latium | Oysters with Caviar |
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| Gold | Latium | Necklaces, Lyres |
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| Marble | Latium | Marble Blocks |
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| Minerals | Latium | Fine Glass, Mosaics, Necklaces |
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| Sturgeon | Latium | Oysters with Caviar |
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| Grapes | Latium | Wine |
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| Pony | Albion | Chariots |
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| Sea Shell | Albion | Handmirrors |
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| Silver | Albion | Brooches, Handmirrors |
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| Tin | Albion | Drinking Horns, Clan Shields |
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| Granite | Albion | Granite Blocks |
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| Herbs | Albion | Sausages |
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| Dye Plants | Albion | Trousers, Cloaks |
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| Copper | Albion | Clan Shields, Cloaks |
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| Small Birds | Albion | Bird Tongues in Aspic |
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| Barley | Albion | Beer |
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| Saltwort | Albion | Roast Beef, Beaver Hats |
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| Beaver | Albion | Beaver Hats |
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## Best Fertilities by Tier
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### Tier I (Liberti / Waders)
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All islands can fully meet the needs of Liberti and Waders without special fertilities.
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### Tier II (Plebeians / Smiths)
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- **Iron** (Latium or Albion) - Required for Weapons and Armor production for military, fleet expansion, and defenses
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- **Resin and Olives** (Latium) or **Resin** (Albion) - Needed for household goods for Plebeians and Romanized Mercators
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- Amphorae provide Population and Fire Safety bonuses
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- Olive Oil grants Population, Income, and Health bonuses
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- **Dye Plants and Copper** (Albion) - Meet Fashion needs for Smiths and Elders; also enables Clan Shields and Cloaks (which can be shipped to Latium for Patricians)
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- **Tin** (Albion) - Needed for Drinking Horns or Clan Shields for Smiths
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- **Silver** (Albion) - Used for Brooches (Mercators) and Handmirrors (Nobles); extras can be shipped to Patricians in Latium
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### Tier III (Equites / Elders)
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- **Grapes** (Latium) - Wine satisfies food needs for Equites and can be exported to Albion for Elders and Nobles (note: causes slight Knowledge penalty)
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- **Marble** (Latium) - Required for buildings like Forum or Baths; can be traded from Zara Nitu if unavailable
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- **Granite** (Albion) - Required for tier 3 buildings in Albion; can be traded from Athr Lorgwyn if unavailable
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- **Minerals** (Latium) - Used to produce Fine Glass for Equites household needs and Mosaic for tier 4 buildings
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- **Sea Shells** (Albion) - Combined with Silver to create Handmirrors (requires Romanized Nobles to harvest)
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- **Murex Snails and Flax** (Latium) or **Flax and Amber** - Required for Togas or Wigs (Noble Fashion needs)
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### Tier IV (Patricians / Nobles)
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- **Oysters and Sturgeon** (Latium) - Produce Oysters with Caviar for Patricians (+3 Population, +3 Income, +2 Health)
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- **Small Birds** (Albion) - Required for Bird Tongues in Aspic (high Income/Prestige but happiness penalty - best after building Amphitheatre)
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- **Ponies** (Albion) - Required for Chariots (Patrician Culture need; also satisfies Elders Household Goods)
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- **Gold** (Latium) - Required for Amphitheatre construction and produces Necklaces and Lyres for Patricians (difficult to produce in bulk without late-game technologies and Mercury-Lugus devotion)
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## Cross-Region Trade
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Higher tier citizens develop "exotic tastes" requiring goods from both regions:
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- Patricians (Latium) demand Bird Tongues in Aspic, Cloaks, Handmirrors, and Chariots from Albion
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- Plan your economy with trade routes and cities on multiple islands in both provinces
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## Related Systems
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- [Trade Routes](./trade-routes.md) - Setting up automated supply chains between islands
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- [Diplomatic Trade](./diplomatic-trade.md) - Purchasing goods from rival factions
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## See Also
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- [Production Chains](/docs/production-chains/_index.md)
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- [Population Tiers](/docs/population-tiers/_index.md)
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