Objectives in the Temperate Zone:

• Retrospective bioindiaction and reduction of groundwaterlevel
• Climate growth relations of forest trees
• Competition between forest trees and stand history
• Colonisation of woody vegetation during primary and secondary succession
• Tree decline

Objectives in the Tropical and the Subtropical Zone

• Sustainable management of tropical forests
• Forest Plantations on degraded pastures in tropcal dry forests
• Age dating of trees
• Climate growth relations of forest trees
• Competition between forest trees
• Successional development and stand history of forests
• Estimation of wood production in forests
• Transfer of knowledge