Arawn Fenn wrote:KOTOR had a Shadowlands level of Kashyyyk that was a lot like the portrayal in the kids' book, in the sense that it upheld the same basic idea that things get more dangerous as you go further down, and it did look like Dagobah on the bottom. That area had Mandalorians, a terentatek, a shapeshifter if you were following the Genoharadan plotline, etc. This was supposed to be underneath Rwookrrorro.
In Dark Lord Luceno apparently attempted to address the discrepancy between the EU's depiction of Rwookrrorro and ROTS's depiction of Kachirho by stating that Rwookrrorro was "on the other side of the escarpment".
I don't think this is any sort of discrepancy at all. It's a goddamn planet, after all. A mono-terrain planet defies any sort of suspension of disbelief. Consider that no single location shown screen in any of the OT (and the vast majority of the NT, as well) are perfectly reasonable locations on Terra, one single planet. That variety is not accidental or unexpected: it's fundamental. Planets with Terra-equivalent gravity are, by necessity, rather large. Incident solar radiation alone will create vast differences in climate between the poles and the equator. The climatic changes will naturally also lead to a difference in the flora and fauna.
For certain examples, one could say that the planet is so close to the edge of habitability that only small portion of it is habitable at all, e.g. Hoth, the regions which are amenable (if only just) to human life are all near the equator, and once you get above 10 or 15 degrees north or south latitude, it's simply uninhabitable. Tatooine could be much the same, with habitable poles, and anything below 80 or so N/S latitude unbearably hot and dry for humans to survive.
For forested planets(/moons) like Kashyyyk, Endor, Dagobah, this fails to hold up. To have that sort of lush forest with multiple canopies and miles-high trees implies an environment with a pleasantly long, warm (but not hot) growing season and reasonably short, mild winters (or no seasons at all). This, in turn, implies that there are other environments nearby that are equally human-habitable, but not as friendly to giant multi-layer canopies. If the area with the canopies and vertical ecosystem is near the equator, there will be areas further north and south with longer, colder winters, similar to environments that give rise to conifer forests and deciduous forest/plain mixtures. Conversely, if the vertical jungle ecosystem is polar, nearer the equator there will be environments suitable for savannah (drier summer, hotter) or semi-deserts and deserts. Additionally, for lands like the vertical forests, there must be rainfall, which means that (more or less) there must be large-ish bodies of water.
tl;dr: the existence of oceans, beaches, and smaller treed-forests on Kashyyyk is in no way a contradiction, it's implied by basic climatology.