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Improvements in Water Tiles

I miss sea improvements from Alpha Centauri. I liked being able to invest in improving the sea as the land. I also hate how the bountiful ocean is represented in game as food deficient, plus that shallow ocean over continental shelves (the ocean's breadbaskets) yield so little food to start and as much as the deep ocean, which in real life is in comparison an "oceanic desert" (much lower biomass). Point is, Coasts should always yield more food than Oceans.

-Oceans don't give food at start
This represents that fishing would be limited to near the coast (spear fishing, etc) and results in Coasts always giving more food than Oceans.

-Fishing Boats can be built in Coast and Ocean tiles that don't contain a Sea Resource

Their model contains the animated fish and seagulls, but you can still tell them apart from the Fishing Boats on Fish due to their yields and the resource icon.

-New improvement Mining Platform can be built in Ocean tiles for prod

Uses the unused variant of the Offshore Platform, very easy to tell apart from it. Mining operations make the site unsuitable for industrial scale fishing.

-Harbors add +1 gold to Whales, Pearls, and Crab

These were some of the only resources that never got a building buff, like how Granary buffs Bananas, Lighthouse buffs Fish, etc. For balance these three add 1 instead of 2 to their tiles.

-Harbor requires Lighthouse

For logic's sake and to complete the three tiers of water tile improvement buildings.

-Buff to trade routes moved from Harbor to Seaport

Since Harbors now get the above buff they don't need to do so much and it makes sense that a Seaport would be involved in trade.

-Seaports don't give +1 gold to Sea Resources

Unbalances this mod, see Sea Resource yield note below.

-New building, Aquamining Center: +1 production to Ocean tiles, 3 maintenance, requires 1 Aluminum, unlocked with Robotics

The Aquamining Center is an Information Age building which requires a strategic resource (inspired in part by the Hydro Plant). Probably only worth it if the city has several Ocean tiles. Mining operations make Ocean tiles unsuitable for large scale fishing.

-Offshore Platform no longer produces food and Robotics adds 2 gold to them

Why does this produce large quantities of food? To compensate they get +2 gold instead from Robotics, so oil is lucrative, as it should be.

-Compass gives +1 prod instead of food to Fishing Boats

Necessary to balance things out with other changes

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Note on yields: Sea Resource yields normally total 9 at end game. Now they total 6 (the same as land resources), but they remain much better than empty water tiles, which total 3-4 points. I believe they were so powerful to balance the empty water tiles being so weak.

Note on Work Boats still "dieing": Fishing Boats and Offshore Platform (and thus my Mining Platforms) do not have "under construction" animations, so be aware if you use the mod that turns the Work Boat into "water workers", that might cause gameplay and cosmetic issues, especially if your Work Boat gets killed before it finishing the improvement. My Mining Platforms would still be built instantly too.

--Compatibility--
Requires BNW

--Direct Download--
For direct download if Steam is acting up or you are a Mac user:
https://dl.dropboxusercontent.com/u/3597242/Improvements%20in%20Water%20Tiles.zip
Just open the zip file and copy/paste or move the folder inside to your Civ 5 Mods folder alongside your other mods and it should appear in your mod list in game.

--Alternate Mod--
Please check out the alternate of this mod Water Tiles Enhanced (http://steamproxy.net/sharedfiles/filedetails/?id=317839900) which produces the exact same yields, but by buffing the Lighthouse, Harbor, and Seaport, and by adding my custom building the Aquamining Network.