Aspect of structural diversity | Acronym | Authors | Number of variables |
---|---|---|---|
Uneven-agedness | UA | 7 | |
Growing stock | GS | 7 | |
Compositional heterogeneity | CH | Barbier et al. (2008); Barbier et al. (2009); Burrascano et al. (2011); Hatanaka et al. (2011) | 5 |
Vertical heterogeneity | VH | Staudhammer and LeMay (2001); Hao et al. (2007); Burrascano et al. (2013) | 3 |
Large living trees | LLT | Nilsson et al. (2002); Brunialti et al. (2010); Persiani et al. (2010) | 3 |
Deadwood standing | DW st | 5 | |
Deadwood downed | DW d | Castagneri et al. (2010); Lassauce et al. (2011); Zotti et al. (2013) | 8 |
Deadwood decay classes | DW DC | Burrascano et al. (2008); Lassauce et al. (2011); Lombardi et al. (2011) | 2 |
Bark diversity | BD | Bhadra et al. (2008); MacFarlane and Luo (2009); Michel et al. (2011) | 1 |
Diversity of flowering and fruiting trees | FD | Singh and Kushwaha (2005) | 1 |
Regeneration | REG | 10 | |
Litter layer | LL | Barnett et al. (1978); Newsome and Catling (1979); Gilmore (1985) (for habitats of birds); Watson et al. (2001) | 0 |
Microhabitats | MH | Dueser and Shugart (1978); Winter and Möller (2008); Michel et al. (2011); Bütler et al. (2013) | 0 |
Tree spacing | TS | Spies and Franklin (1991); Pretzsch (1997); Acker et al. (1998); Bachofen and Zingg (2001) | 0 |
Epiphytes and organisms on deadwood (lichen, mosses, fungi) | DW G | Humphrey et al. (2002); Blaser et al. (2013); Dittrich et al. (2014); Hoppe et al. (2016) | 0 |