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Table 2 Categorical variables used to predict observed artifact- and feature-level fire effects (fire effect) and burn severity class for archaeological sites in the Jemez Mountains, New Mexico, USA, from 2000 to 2011. See Additional file 1 for variable descriptions associated with LANDFIRE codes

From: Predicting wildfire impacts on the prehistoric archaeological record of the Jemez Mountains, New Mexico, USA

Analysis groupings LANDFIRE classification codes Observations (n)
Existing Vegetation Cover (EVC)
Vertically projected percent cover of the live canopy layer
  Tree cover 10 to 30% EVC classes: 101, 102 202
  Tree cover 30 to 50%% EVC classes: 103, 104 385
  Tree cover >50%` EVC classes: 105, 106 104
  Shrub cover <50% EVC classes: 112, 113 9
  Shrub cover >50% EVC classes: 114, 115, 116 62
  Herb cover <50% EVC classes: 123, 124 59
  Herb cover >50% EVC classes: 125, 126, 127, 128, 129 37
Existing Vegetation Type (EVT)
Current distribution of plant community types
  Piñon–juniper woodland EVT classes: 2016, 2059 326
  Shrub EVT classes: 2023, 2080, 2101, 2104, 2107, 3086 64
  Dry mixed conifer EVT class: 10 6
  Mesic mixed conifer EVT classes: 2052, 2057 11
  Ponderosa pine woodlands EVT classes: 2054 322
  Aspen–riparian EVT classes: 2061, 2159, 3011 22
  Grass EVT classes: 2076, 2121, 2127, 2133, 2146, 2181, 3182 107
Scott and Burgan Fuel Model (F40)
Distributions of fuel loading found among surface fuel components, size classes, and fuel types
  Grass–shrub, fuel bed ≤1 ft (30.5 cm) depth F40 classes: 101, 121, 141, 142 113
  Grass–shrub, fuel bed >1 ft (30.5 cm)depth F40 classes: 102, 122, 145, 147 418
  Timber, fuel bed ≤1 ft (30.5 cm)depth F40 classes: 161, 181, 183 117
  Timber, fuel bed >1 ft (30.5 cm)depth F40 classes: 165, 188 210
Fuel Loading Model (FLM)*
Surface fuel classification with representative loadings for woody and non-woody fuel components
  Light, no logs FLM class: 11 642
  Low load shrub FLM classes: 14, 15 20
  Light logs, duff FLM classes: 21, 31,72 169
  Herb–grass FLM classes: 511, 521 27
Vegetation Condition Class (VCC)
Level of departure of current vegetation from historical vegetation reference conditions
  Very low, departure 0 to 16% VCC: I.A 127
  Low to moderate, departure 17 to 33% VCC: I.B 130
  Moderate to low, departure 34 to 50% VCC: II.A 601