light ships

I know when you conquer a new city, your CS disappears and you regain population. But all my support that I sent with the CS has vanished...there was no resistance in the city. Please fix 5c87f59c2a7c9bfcb30c19454d47aba5

In Sigma, I have one city Puddle Duck, that has the harbor at 20 and one city, Quackers, that has the harbor at 10. The harbor at 20 produces light ships 4 minutes SLOWER than the one at 10... What??? Specifically in the harbor at 20, it takes 1:20:27 to produce one light ship. In the...