From: Linking structure and species richness to support forest biodiversity monitoring at large scales
Variable | Acronym | Aspect of forest structure |
---|---|---|
Quadratic mean diameter at breast height (DBH ≥ 7 cm) | DBHq | Growing stock |
DBH, standard deviation (DBH ≥ 7 cm) | DBHsd | Uneven-agedness |
Volume / ha of trees (DBH ≥ 40 cm) | Vol40 | Volume of large living trees |
Tree height, standard deviation (DBH ≥ 7 cm) | HEIGHTsd | Vertical heterogeneity |
Downed deadwood, average mean diameter | DW downed | Deadwood downed |
Standing deadwood, mean DBH | DW standing | Deadwood standing |
Number of decay classes | Decay classes | Deadwood decay classes |
Number of tree species in the regeneration layer | SRreg | Tree regeneration diversity |
Number of tree species (DBH ≥ 7 cm) | SR | Compositional heterogeneity |
Diversity of bark types (based on tree species and DBH) | Bark | Bark-diversity |
Diversity of flowering/fruiting trees (based on tree species and tree age) | Flower | Food/ pollen-diversity |