One must consider basal area when discussing stability. Sure, a fusion with more basal area than a single-stem could have more basal area for root rot. However, additional basal area gives a tree more stability and a fusion that is not in a regular circular shape will add basal area compared to trunk volumes. Take any double tree, say Screaming Titans. It has a much larger basal area to volume than Del Norte Titan, for example.
mdvaden wrote: I think it may boil down to opinion.
Trees can do such odd things, like the Corkscrew Tree, it seems a real possibility that an absolute single stem redwood could disfigure or alter its shape over centuries and develop what to one's eye would seem to be likely fusion. May not be the norm, but it seems withing the realm of possibilities.
mdvaden wrote:Sometimes they have more basal area. Sometimes not. But if they have a little extra, I see them having extra weakness beneath to neutralize the benefit (if there is one).
I think they may still be neck in neck with singles.
But I've done a ton of tree removals, and seen many over 30 years of tree work, to see the weakness that side-by-side stems give each other. Its a weakness accumulated in earlier age. Redwoods would just fuse around and encapsulate and store the weakness. But its still in there.
I think a lot of the Goosepens are a fair testimonial of that weakness. The stems peel or fall away easier, because there is little root on the side blocked by the other trunk. Then the bare wood is exposed, and the fire burns its way in over one or more episodes
yofoghorn wrote:Hi everybody,
For years now, the tree community that measures and documents coast redwoods have come across a huge conundrum that really boils down to "what is an individual tree?" and "how does one document clonal organisms like the coast redwood?" For the coast redwood, usually trees create large clones and fusions that are irregular. After talking with John Montague, Michael Taylor, and Yinghai Lu, we all decided that there has to be a way to better document and make fusions "fair" and their parameters definable for comparison with the large single stems.
Okay, so for ranking, are you saying that since single and double stems are neck in neck, the total volume of an entire tree should be counted?
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