Dr. José Reque Kilchenmann Dr. José Reque Kilchenmann ETSIIAA -Palencia ETSIIAA -Palencia
(University of Valladolid)(University of Valladolid)
(ha*1000)Sweden: 28.2Finnland: 22.2Spain: 18.2France: 15.9Germany: 11.1Poland: 9.3
Harvest ratio 1/3Harvest ratio 1/3
Important human landscape Important human landscape modification since neoliticmodification since neolitic
Pinus pineaPinus pineaPinus pinasterPinus pinaster
r > 100 yearsp < 4m3/year
Problem I: Low timber productivity
Reduced canopy coverReduced canopy cover
An open and divers forestAn open and divers forest
Lynx pardinaLynx pardina
19301930 19321932
1946194620012001
Importance of Afforestations (3 Mio ha)Importance of Afforestations (3 Mio ha)
• Silvicultural intensification• Even aged silviculture• Artificial regeneration• Non woody products (secundary prd.)
Central rangeCentral range Sierra NevadaSierra Nevada
R > 100 yearsP = 2-10 m3/year
Natural regeneration
Mediterranean riversidesMediterranean riversidesIntensive Ligniculture (Populiculture)Intensive Ligniculture (Populiculture)
• ((Populus * euramericanaPopulus * euramericana; 25m; 25m33/ha/year; R=12 years)/ha/year; R=12 years)
Atlantic climateAtlantic climate
11% surface; 81% wood supply11% surface; 81% wood supply
400.000 ha400.000 ha
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