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View VegBank Stratum Methods

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More Stratum Method Name Reference Stratum Method Description ? Plots↑
Details Duke Forest Strata 1977     0
Details NVC Growth form/Size class   Strata assigned by species ID into growth forms and then optimally into size classes as well for some growth forms. 0
Details TurboVeg TurboVeg1.98a Standard strata used in the TurboVeg application 0
Details Simple Four Strata   Tree, Shrub, Herb and non-vascular strata 0
Details CNPS RA 2007 CNPS RA 2007 Record an average height value for overstory conifer tree, overstory hardwood tree, understory tree or tall shrub, other shrubs, and herbaceous strata 0
Details NRCS Grand Rapids   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. 24
Details CVS Modules   A stratum method that treats modules as strata for ease of database management (rather than subplots) 36
Details Alvar Strata (New York)   Strata are defined by growth form and height 85
Details Sharitz     127
Details NY Natural Heritage Program NYNHP Field Form Instructions The height of each stratum is estimated as the average maximum height of each member in that stratum. Foliage is determined to belong to a stratum based on the height of the individual; an individual's foliage belongs to one stratum. Individuals that may, later in life, belong to taller strata may at the time of the plot be attributed to shorter strata based on their height (e.g. tree seedlings would occur in the short shrub layer). 265

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