Question about wetlands mitigation?

[Patrick Philip]

If somebody wants to buy a piece of land and get it permitted as a Wetlands Mitigation property, what has to happen?

Does this property already need the trees planted and grown on it? Is it up to the owner to grow/transplant trees ahead of time if they weren't present when they bought it? Does the developer (whoever buys the mitigation credit) pay for the planting/transplanting of trees at the time they purchase the credits?

When searching for suitable parcels to be used as a mitigation bank, where should I look? Loopnet? MLS? Google?