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Titre :
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The potential for the natural regeneration of conifers in Britain
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Auteurs :
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C. Nixon ;
R. Worrell
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Type de document :
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ouvrage
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Editeur :
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Edinburgh, GBR : Forestry Commission, 1999
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Collection :
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Forestry Commission bull. n°120
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ISBN/ISSN/EAN :
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0 85538 401 8
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Format :
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50 p.
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Langues:
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= Anglais
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Catégories :
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Sylviculture - Agroforesterie
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Mots-clés:
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GRANDE BRETAGNE
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ROYAUME UNI
;
PEUPLEMENT FORESTIER
;
CONIFERE
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REGENERATION NATURELLE
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PRODUCTION
;
GRAINE
;
DISPERSION
;
GERMINATION
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PLANT FORESTIER
;
SYLVICULTURE
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Résumé :
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Ce bulletin aborde les chapitres suivants : 1 - Introduction : The historical use of natural regeneration in Britishs conifer forests - The current extent of natural regeneration - Advantages and disadvantages of using natural regeneration - Forest management utilizing natural regeneration. 2 - Seed production and dispersal : The timing of flowering and seed production - The frequency of good seed years - The quantity of seed produced - Factors effecting seed production - Prospects for enhancing seed production through cultural treatments - Predicting good seed years - The assessment of cone and seed crops - Seed dispersal. 3 - Seed dormancy and germination : Seed viability and longevity - Factors affecting germination - Creating a favourable seedbed environment - Predation and seed losses. 4 - Seedling establishment : Microsite variables - Site variables - Predation and seedling losses. 5 - The assessment and management of established seedlings : Assessing regeneration success -Supplementary planting - Respacing - Methods of respacing - The timing of respacing - The benefits of respacing. 6 - Economics : Comparing the cost of natural regeneration with planting - Respacing costs. 7 - Forest management to encourage natural regeneration : Stand quality - Preparatory thinning - Site suitability for natural regeneration - Improving site conditions for regeneration - Coning and seed production - Preparatory regeneration fellings and silvicultural systems - Monitoring seedling establishment - Protection of regeneration - Respacing.
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