This is one area. The pine needles were transported to be placed around the trees. Those aren't pine trees. I didn't take the picture with the intention of anything other than to take some shots. You can see Life growing on the near side, to the right is where the water passes by, leaving some swirling around, in this little "bay". At the time of this picture, it must've been near the switching of the tides because the water is pretty stagnant.