The Effect of Transition to Close-to-Nature Forestry on Growing Stock, Wood Increment and Harvest Possibilities of Forests in Slovakia

Martina Štěrbová (), Ivan Barka, Ladislav Kulla and Joerg Roessiger
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Martina Štěrbová: Forest Research Institute, National Forest Centre Zvolen, T. G. Masaryka 2175/22, 960 01 Zvolen, Slovakia
Ivan Barka: Forest Research Institute, National Forest Centre Zvolen, T. G. Masaryka 2175/22, 960 01 Zvolen, Slovakia
Ladislav Kulla: Forest Research Institute, National Forest Centre Zvolen, T. G. Masaryka 2175/22, 960 01 Zvolen, Slovakia
Joerg Roessiger: Forest Research Institute, National Forest Centre Zvolen, T. G. Masaryka 2175/22, 960 01 Zvolen, Slovakia

Land, 2024, vol. 13, issue 10, 1-16

Abstract: The aim of the study is to quantify the impacts of a possible transition to close-to-nature forestry in Slovakia and to compare the expected development of the total volume production, growing stock, merchantable wood increment and harvesting possibilities of forests in Slovakia with current conventional management using the FCarbon forest-growth model and available data from the Information System of Forest Management. The subject of the study was all forest stands available for wood supply (FAWS). The simulations were run in annual iterations using tree input data aggregated over 10-year-wide age classes. The calculation of wood increments was based on available growth models. In the business-as-usual (BAU) scenario, stock losses were based on the actual intensity of wood harvesting in the reference period 2013–2022. In the scenario of the transition to close-to-nature forest management, the losses were specifically modified from the usual harvesting regime at the beginning, to the target harvesting mode in selective forest at the end of the simulated period. With the modelling method used, a gradual increase in forest stocks occurred in both evaluated scenarios in the monitored period, namely by 10% in the case of BAU and by 23% in the case of close-to-nature forest management until 2050. In absolute mining volume, CTNF is by 5–10% lower than BAU management, with the difference gradually decreasing. The results show that the introduction of close-to-nature forest management will temporarily reduce the supply of wood to the market, but this reduction will not be significant and will be compensated by a higher total volume production, and thus also by increased carbon storage in forests.

Keywords: close-to-nature forestry; business as usual; total volume production; timber stock; increment; timber harvesting; FCarbon forest-growth model (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2024
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