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Nov 7 at 15:42 comment added have_beard_will_ski Even there are few trees, with many trunks, the trunk density per square meter is high, and increases with altitude. So, a slightly modified version of the original question still stands
Nov 6 at 14:52 comment added fileunderwater To me, it is unclear towhat extent the 5000ft picture is showing individual trees growing closer together or several small trunks or branches coming from one or a smaller number of trees. In Picea at high altitudes it is common to find them crawling close to the ground and/or with several apical tips (due to harsh environmental conditions). This does not invalidate the question, and the answer from @bob1 is a good starting point. My feeling is just that you might be misinterpreting the first picture a bit.
Oct 19 at 21:41 comment added have_beard_will_ski Question is, how do conditions just below the treeline influence the spacing between trees? Logically one might imagine that trees get further apart just below the tree line, due to tough growing conditions, but the opposite is true empirically...
Oct 18 at 20:38 comment added John look up the term "tree line"
Oct 14 at 22:38 answer added bob1 timeline score: 2
Oct 11 at 10:29 comment added have_beard_will_ski Are you saying taller trees are also wider, and therefore have to grow further apart, to avoid interfering with each other? Can you give other examples of environmental conditions (not altitude) which stunt trees and cause them to grow closer together?
Oct 10 at 3:31 comment added Bryan Krause Is it not that the trees grow wider as they get taller?
S Oct 10 at 1:10 review First questions
Oct 16 at 0:09
S Oct 10 at 1:10 history asked have_beard_will_ski CC BY-SA 4.0