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Natural seeding as an alternative to planting in black spruce-lichen woodlands

Hébert François, Delisle Isabelle, Tremblay Marc, Tremblay Pascal, Boucher Jean-François, Boucher Yan et Lord Daniel. (2024). Natural seeding as an alternative to planting in black spruce-lichen woodlands. Forest Ecology and Management, 552, (e121584), p. 1-8.

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URL officielle: https://dx.doi.org/doi:10.1016/j.foreco.2023.12158...

Résumé

Regeneration failures in the closed-crown boreal forest, which lead to the creation of open lichen woodlands, are expected to increase with climate change due to a rise in burn rates. Past studies have shown that it was possible to restore the productivity of those stands through planting. Since most lichen woodland stands are remotely located, afforestation through planting can be prohibitive. Therefore, the objective of this research was to measure the afforestation efficiency of lichen woodlands through scarification and natural seeding after clear-cutting. Our results showed that clear-cutting, when combined with scarification, promoted seedling establishment more strongly than clear-cutting alone. Scarification was also necessary for creating suitable microsites for germination, which were essentially bare mineral soil and decomposed organic matter. Last, seedling growth was higher in lichen woodlands when logging and scarification were combined, but lower than their counterpart feather moss stands. We conclude that afforestation of lichen woodlands in the closed-crown boreal forest is possible through natural seeding following scarification and could be a cost-effective option compared to planting.

Type de document:Article publié dans une revue avec comité d'évaluation
ISSN:03781127
Volume:552
Numéro:e121584
Pages:p. 1-8
Version évaluée par les pairs:Oui
Date:Janvier 2024
Nombre de pages:1
Identifiant unique:10.1016/j.foreco.2023.121584
Sujets:Sciences naturelles et génie > Sciences appliquées > Foresterie et sciences du bois
Sciences naturelles et génie > Sciences naturelles > Biologie et autres sciences connexes
Département, module, service et unité de recherche:Départements et modules > Département des sciences fondamentales
Unités de recherche > Centre de recherche sur la Boréalie (CREB)
Mots-clés:Picea mariana, Pinus banksiana, scarification, carbon sequestration, afforestation
Déposé le:02 févr. 2024 00:16
Dernière modification:02 févr. 2024 00:16
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