Wetlands anyone?

I live in East Central FL and my long held dream of land and farm purchasing may soon be realized. We are looking at a large 40 acre lot for homesteading, but the entire piece is considered various levels of wetlands. Planning/zoning assures me that as long as we following building rules, it is not a problem as most of our county was built on wetlands.
Getting to the point: the land is only soggy if inundated by rain. Most of the time it is considered "treeless Savanna" and scrubby type wetlands. Does anyone have any experience creating systems within wetlands? My hope is to do aisle cropping with mixed tropical/subtropical orchard trees while pasturing a few cows and chickens between and under the trees.  

We've owned a low piece of property near Tampa (Plant City) since 1985 and have been work with low land problems over the years. We presently, grow vegetables a raise and milk Water Buffalo. Worden Farms and ECHO near Ft Myers are on similar low property and deal with these problems successfully. Sweet-Water Organic Farm in Tampa a couple of years ago started farming at low site in West Tampa and have try to solve problems of farming there. Hugel mounds, squalls, terracing, and other permaculture methods are helpful. The first principal of Permaculture observation is the most valuable. You really need to do your homework before you start. Not sure it they still do it but the Soil Conservation Service did, in the past, free topos for land owner.  IFAS and your area county extension might be helpful. Good Luck!