Regeneração da vegetação após o fogo em Portugal : implicações para a gestão

  • Maia, Paula Alexandra Aquino
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Publication date
January 2014
Publisher
Universidade de Aveiro

Abstract

Doutoramento em Ciências e Engenharia do AmbienteThis thesis aims at improving the knowledge on the post-fire vegetation regeneration. For that, forests and shrublands were studied, after forest fires and experimental fires. Maritime Pine (Pinus pinaster) recruitment after fire was studied. Fire severity was evidenced as a major effect on this process. High crown fire severity can combust the pines, destroying the seed bank and impeding post fire pine recruitment. However, crown combustion also influences the post-fire conditions on the soil surface, since high crown combustion (HCC) will decrease the postfire needle cast. After low crown combustion (LCC) (scorched rather than torched crowns), a considerable needle cover was observ...

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