Technodiversity Glossary

When the tree is felled (lays on ground) the limbs are cut from bottom to top. Three methods: 2 whorls at a time, whorl by whorl, and in the crown from top to the side. When finished turn the log and work the other side

Functiogram

• High efficiency
• High work quality (No risk for roller damage, flush cut of branches, better measuring under difficult stem conditions etc.)
• Low investment
• Low relocation cost

• Open space for standpoint of the worker needed
• Danger to hit legs and shoes with chainsaw
• Danger to injure the legs and feet
• Static strain on backbone
• Heavy effort/cardio workload
• Low productivity

• Delimbing broad-leaved trees
• Delimbing conifer trees where no processor/harvester is able to do a good job

Economic suitability

Example:

• machine costs without personal costs: 4,00 Euro/h
• personal costs per person: 35,00 Euro/h
• number of persons: 1
• in total: 39,00 Euro/h
• regression line minutes per tree
  • b₀ = 2
  • b₁ (tree volume) = 10

Ecological suitability

Ecogram

Social suitability

• S-class: 
  • in the stand or on the trail no contact with the forest road -> S5
  • processing on the forest road -> S2 
• E-class: motor-manual work, very heavy and dangerous -> E2