The source is FBX file and compatible with popular 3d software.
Low Ploy:
Palm and Trees range from about 500 tris and some of them reach about 1000 tris
Small plants range from about 80 tris and some of them reach about 800 tris
HighPoly:
In the package I have added and high polygon models
UWs:
The all objects is unwrapped and have second unwrapped channel for light-map