Fig. 1 | Nature Communications

Fig. 1

From: Wind loads and competition for light sculpt trees into self-similar structures

Fig. 1

Principles of MECHATREE. a Each virtual tree is an assembly of different units: segments, foliages, seeds and a reserve. b Primary growth relies on the reserve to grow new segments and seeds. Secondary growth costs include maintenance in addition to diameter growth of each branch segment. c Formal neural networks are used to model the biochemical regulation of growth. d The growth of new segments follows a rule based on three angles: θ 1, θ 2 and γ. e Illustration of Strahler ordering of branches (Methods section)

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