| Description |
The ecosystem elements that are linked to, or correlate with, changes in the level of this indicator (e.g., keystone species, focal species, etc.).
0 Unknown
1 Not a keystone, umbrella, or focal element of forest composition, structure, or function
2 Keystone, umbrella, or focal element of forest composition, structure, or function as recommended by review paper
3 Keystone, umbrella, or focal element of forest composition, structure, or function as indicated by research paper
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