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View VegBank Stratum Methods

National Park Service
Stratum Method Name	National Park Service
Reference	NPS Methodology
Stratum Method Description	Strata are defined based on both lifeform and height. An individual's foliage belongs to one stratum only, as determined by the individual's height.
Accession Code	VB.SM.5.NATIONALPARKSER
Count of Observations using this method	27488
Stratum Types:
Stratum Index Stratum Name Stratum Description T1 Emergent   T2 Canopy   T3 Sub-Canopy   S1 Tall Shrub   S2 Short Shrub   S3 Dwarf Shrub   H Herbaceous   N Nonvascular   V Vine/Liana   E Epiphyte   Unkn Unknown stratum   S Shrub   T Tree   mod module No vertical splitting of a plot, but rather a horizontal portion of a plot, generally a 10m x 10m square, though sometimes 5m x 20m TC Total-Calculated   H Herbaceous   A3 submerged aquatic Submergent aquatic. may include submerged seedlings of typical emergent and floating-leaved aquatic plants. A2 floating-leaved aquatic Floating-leaved aquatic. Detached floating plants are treated as detritus (unvegetated surface/litter and duff layer). A1 emergent aquatic Emergent aquatic. Does not include trees, shrubs and vines. may include typical submergent and floating-leaved aquatic with uppermost leaves emergent due to drawdown (e.g., Nuphar spp.).