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Floresta
Article . 2011 . Peer-reviewed
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REGENERAÇÃO NATURAL EM SUB-BOSQUE DE Corymbia citriodora NO NOROESTE DO ESTADO DO PARANÁ

Authors: Edilson Batista de Oliveira; Letícia Penno de Sousa; Maria Izabel Radomski;

REGENERAÇÃO NATURAL EM SUB-BOSQUE DE Corymbia citriodora NO NOROESTE DO ESTADO DO PARANÁ

Abstract

O desenvolvimento de espécies nativas plantadas em consórcio com eucaliptos, ou regeneradas naturalmente em povoamentos dessas espécies, vem sendo acompanhado em propriedades rurais do noroeste do estado do Paraná. Esses sistemas se destacam por constituir uma opção para a recuperação da cobertura florestal em ambientes degradados pela pecuária e agricultura intensivas, propiciando rentabilidade econômica, com possibilidade de atender a legislação ambiental para Reserva Legal. O presente trabalho visa conhecer o potencial de recomposição da vegetação nativa em sub-bosque de Corymbia citriodora, nas condições ambientais e de uso do solo daquela região. Assim, foi avaliada a composição florística e a estrutura da vegetação formada sob a rebrota de um povoamento dessa espécie, situado em São Pedro do Paraná (PR). Foram encontradas cinquenta e três espécies oriundas de regeneração natural numa densidade de 4.725 plantas por hectare. As plantas, identificadas até o nível de espécie, foram enquadradas segundo seu grupo ecológico e/ou usos potenciais.Foram observados parâmetros estruturais que mostraram o elevado potencial de regeneração natural e crescimento da vegetação em sub-bosque de C. citriodora, indicando que, com manejo adequado, essa espécie pode ser usada como uma facilitadora para fins de recomposição de vegetação nativa.Palavras-chave: Regeneração natural; plantação florestal; composição florística. AbstractNatural regeneration in understory of Corymbia citriodora plantation, in north-west of Paraná state, Brazil. Natural regeneration in eucalyptus stands, as well as forest plantations that combine eucalyptus and native species, have been monitored in rural areas in the north-west of Paraná State, Brazil. Such forest systems involving eucalyptus represent an alternative for forest recovery and regeneration in areas degraded by livestock and intensive agriculture. Furthermore, such plantations offer new economic opportunities for landowners while providing incentives for their compliance with environmental regulations for saving a minimum amount of forested land (Reserva Legal). This study aims to understand the potential of natural vegetation recovery in the understory of Corymbia citriodora stands, due to the context of current environment and land use in the region. Thus, it evaluates floristic composition and vegetation structure in the understory re-growth within such plantation stands, in São Pedro do Paraná (Paraná State). As result, it identified 53 species from natural regeneration at a density of 4725 plants per hectare. Such plants, identified at the species level, were organized accordingly to their ecological group and/or potential uses. The observed structural parameters pointed to a high potential for natural regeneration and growth of vegetation in the understory of C. citriodora, which reveals that, with appropriated management, these species could be used to make native restoration vegetation easer in the region.Keywords: Natural regeneration; forest plantations; floristic composition.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
1
Average
Average
Average
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