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Table 1 Hierarchical structure of the top two levels of information collected from forest biomass harvesting guidelines grouped within 8 general categories and 46 mid-level categories

From: Sustainable forest biomass: a review of current residue harvesting guidelines

General categoriesa

Mid-level categories

General categories

Mid-level categories

Meta-data

 

Soil

 
 

Reference

 

Sensitive soils

 

Queries

 

Soil—other

 

Scope

 

Compensation

 

Science background

  
 

Guideline development

Biodiversity

 
 

Relationship to SFMb

 

Habitat protection

 

Applicable land

 

Habitat retention

 

Strength

 

Habitat enhancement

 

Monitoring

 

Seasonality

 

Adaptive management

  
  

Water and aquatic ecosystems

Forest management

 

Water quality

 

Forest management

 

Leaching

   

Sedimentation

Forest biomass component

 

Shade

 

Harvesting residue

 

Riparian zones

 

Litter layer/forest floor

 

Water flow

 

FWDc+foliage

 

Exposed mineral soil

 

CWDd

 

Contamination

 

DWMe

 

Stream crossing

 

Large woody debris and logs

 

Seasonality

 

Stumps

 

Wetlands

 

Roots

  
 

Thinnings

Carbon/GHGs

 

Live trees or patches of trees

Carbon/GHGs

 

Live decaying trees

  
 

Snags

Social values

 

Cavity trees

 

Aesthetics/recreation

 

Mast trees

 

Archaeology/history/culture

 

Den trees

  
  1. aSee Additional file 1: Table ST-2, for complete hierarchy with additional 136 detailed categories and 40 sub-detailed categories extracted from Additional file 1: Table ST-1
  2. bSustainable forest management
  3. cFine woody debris
  4. dCoarse woody debris
  5. eDowned woody material