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Production

Home What we do Close-to-nature forestry Production

PRO SILVA regards sustainable forest ecosystems as the proper basis of economic sustainability. Protection and production are both important to society. For sustainability in the broadest sense, continuing and optimal productivity is only possible if the protective function remains intact. This precludes production strategies that ignore the protective function of the forest.

PRO SILVA supports the management of forests and the use of renewable resources of timber.

With regard to the general principles of sustainability, the following are essential elements of the productive function:

  • Maintenance of the soil fertility;
  • Guaranteed continuity of the naturalness of forest ecosystems and timber production;

Maintenance of the natural energy and mineral cycles.

As methods for achieving the functioning of these elements PRO SILVA recommends:

  • Continuous forest cover to protect soil productivity;
  • Full use of natural dynamic forest processes;
  • Adding value by selection felling and tending at all stages of development;
  • Maintaining growing stock at an optimal level; • Working towards a balance on as small a scale as possible between increment and harvesting in each management unit (i.e. in each compartment);
  • Increase forest stability, and consequently reduce production risks, through stabilisation of single trees and groups of trees;
  • Paying attention to the function of every single tree in tending and harvesting;
  • Avoidance of clear-felling and other methods which destroy forest conditions;
  • Abolition of rotation age as the instrument for determining when a tree should be cut;
  • Prioritization of tending functions to ensure forest renewal (tending has a greater priority over regeneration);

Undertaking continuous renewal of the forest as an integral part of forest tending. However, tending and harvesting should be the main features of management, and should not be unduly influenced by the need to obtain regeneration.

Spontaneous forest renewal and forest development, through moderate single tree selection harvesting and group selection harvesting separated by long regeneration periods, involving:

  • use of natural regeneration,
  • use of natural stem number reduction (bio-rationalisation, also referred to as biological automation);
  • Promote harvesting methods which do not harm the soil or the stand; • Use of appropriate machinery, which suits the structure and features of the forest;
  • Minimise the use of additional materials (fertilisers, plant protection materials) only to the essential function of restoring the carrying capacity of the soil;

Restoration of wildlife species population densities to levels which are in balance with the carrying capacity of the forest;

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