I think the post-processing on this works much better with the middle and background more so than with the tree branches. While they work compositionally, I think they are rather distracting the way there were processed.
The branch would make a great frame, except that it encloses only a part of the shoreline and leaves out the refelction and larger body of water. Nice exposure, lighting and definition.
Nice scene. The tree is a little too intrusive. I think I'd like the shot better shifted to the right so that the tree was more of a frame than a third of the picture.
The large branch does a good job at creating a feeling of being there, peeking out into the scene, which is a simple marsh, nothing dramatic, and the tone mapping does help add some flavor to the mellow drama.