Natural regeneration of Corsican pine (Pinus nigra subsp. laricio) in Great Britain

Kerr, G.

Forestry Oxford 73(5): 479-488


DOI: 10.1093/forestry/73.5.479
Accession: 003506860

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Factors affecting the natural regeneration of Corsican pine (Pinus nigra subsp. laricio ) are reviewed based on evidence from the literature and from field observations in Corsica and the UK, and based on this, a preliminary set of guidelines is offered. Satisfactory natural regeneration of Corsican pine is generally more difficult to achieve than that of Scots pine (Pinus sylvestris). However, it is possible if a patient approach is adopted. Good seed years occur every 3-5 years and it is important to initiate operations which will take advantage of these mast years. The main aim should be to produce >5000 seedlings/ha of advance regeneration at least 50 cm tall before commencing fellings. This bank of advance regeneration can be developed by: (1) increasing seed supply (e.g., by including coning as a selection criterion when thinning and using rotations in excess of 70 years old); (2) preparing a seedbed before seed fall by disturbing organic matter on the soil surface and controlling vegetation; and (3) protecting the seedlings from browsing mammals.