Orange pauldron indicates that that this stormtrooper is a commander. I believe that this is the highest pauldron rank. They appear in star wars rebels only however a sandtrooper wears a orange pauldron in a New hope and the upcoming Rogue one. Stormtrooper sergeant
Estuaries are also in the littoral zone. The littoral zone is the part of a sea, lake or river that is close to the shore. In coastal environments the littoral zone extends from the high water mark, which is rarely inundated, to shoreline areas that are permanently submerged.
Subneritic province-from the high tide shoreline to a depth of200 m, including approximately the area of the continental shelf.ii. Suboceanic province-all the benthic environment below 200m.Subneritic: The littoral zone means the shore.i. The supralittoral zone is above the high tide line or the sprayzone.