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Estabelecimento inicial de espécies florestais em plantio para a recuperação de área alterada no Amazonas

Authors: Nogueira, Wanda Lemos Paixão; Ferreira, Marciel José; Martins, Narrúbia Oliveira de Almeida;

Estabelecimento inicial de espécies florestais em plantio para a recuperação de área alterada no Amazonas

Abstract

A analise do estabelecimento inicial das mudas no campo constitui etapa fundamental para a selecao de especies arboreas nativas com maior potencial de se desenvolverem em condicoes adversas, a exemplo daquelas encontradas em ambientes perturbados. O objetivo deste estudo foi investigar a sobrevivencia e os padroes de crescimento de especies florestais nativas de diferentes grupos ecologicos crescendo em area alterada no Amazonas. O experimento foi instalado em delineamento de blocos casualizados com onze especies (seis especies pioneiras - P e cinco especies nao pioneiras - NP), cinco repeticoes e espacamento 3 × 2 m. Depois de dez meses do plantio, foram observadas taxas de sobrevivencia superiores a 80% para a maioria das especies nos diferentes grupos ecologicos, a excecao de Sclerolobium paniculatum (40%) e Cedrela odorata (67%). As especies com maiores valores de incremento em altura e diâmetro foram: Ochroma pyramidale e Trattinnickia rhoifolia (P), Parkia velutina, Hymenaea courbaril, Cedrela odorata e Endlicheria anomala (NP). Os maiores incrementos em area de copa foram observados em Sclerolobium paniculatum, Trattinnickia rhoifolia e Enterolobium schomburgkii (P) e Hymenaea courbaril (NP). As especies florestais estudadas possuem alta taxa de sobrevivencia, porem apresentam padroes distintos de crescimento, os quais deverao ser considerados na definicao das especies a serem utilizadas em futuros programas de reflorestamento de areas alteradas no Amazonas.

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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!
2
Average
Average
Average
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gold