Table 3.
Some main properties of studies comparing the economic or timber production performance between even- and uneven-aged management
| Study | Optimization framework | Harvesting cost specification | Growth model | Ingrowth model | Source of BLV | Volume outputc | Economic outputc |
|---|---|---|---|---|---|---|---|
| Mikola (1984)a | None | None | Case data | None | None | EA > UEA | – |
| Pukkala and Kolström (1988)a | None | None | Transition matrix | Usher-type | None | EA > UEA | – |
| Kolström (1993)a | None | None | Transition matrix | Usher -type | None | – | – |
| Lähde et al. (1994)a | None | None | Inventory data | None | None | EA < UEA | – |
| Wikström (2000) | Several | None | Single tree | Fixed ingrowth | Same framework | EA > UEA | EA > UEA |
| Andreassen and Øyen (2002) | None | Empirical experiment | Case data/even-aged model | Case data | External source | EA > UEA | EA > UEA |
| Lähde et al. (2002)a | None | None | Case data | None | None | EA < UEA | – |
| Gobakken et al. (2008) | None | Same for both alternatives | Single tree | Various explanatory variablesb | Same framework | EA < UEA | Depends on initial stand state |
| Lexerød and Gobakken (2008) | None | Same for both alternatives | Single tree | Various explanatory variablesb | Same framework | EA < UEA | Depends on initial state and discounting |
| Tahvonen (2009) | General dynamic | None | Transition matrix | Usher -type | Same framework | – | EA < UEA |
| Pukkala et al. (2009)a | None | None | Single tree | Function of density | None | EA > UEA | – |
| Pukkala et al. (2010) | Static | None | Single tree | Function of density | External source | – | Depends on site fertility and discounting |
| Tahvonen et al. (2010) | General dynamic | Separate for even and uneven | Transition matrix | Function of density | Same framework, external sources | EA > UEA | EA < UEA |
| Lähde et al. (2010)a | None | None | Case data | None | None | EA < UEA | – |
aCompares volume yield scenarios only
bAltitude, latitude, site index, age class, number of trees, dominant species
cEA refers to even-aged management and UEA to uneven-aged management