When generating a new world with the everything on default except water set on "only in starting area", the terrain is very segmented:
![Image](https://forums.factorio.com/images/ext/a81c9ebeb01cd437d1271454baa19098.jpg)
This is an intended game design choice. If you choose water only in starting area, you'll only get deserts, no matter what you do. I already complained about that long ago, and it's the answer I gotRatzap wrote:It is also always mostly desert with only sparse dead trees if any, making wood pretty scarce. I generated dozens of games, it's never forested.
So it looks like a bug to mecube wrote:I will try to fix it with the terrain generator changes waiting for 0.13.