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Ciência Florestal
Centro de Pesquisas Florestais - CEPEF, Departamento de Ciências Florestais - DCFL, Programa de Pós Graduação em Engenharia Florestal - PPGEF
ISSN: 0103-9954
EISSN: 0103-9954
Vol. 25, No. 1, 2015, pp. 107-117
Bioline Code: cf15010
Full paper language: Portuguese
Document type: Research Article
Document available free of charge

Ciência Florestal, Vol. 25, No. 1, 2015, pp. 107-117

 pt REGENERAÇÃO NATURAL DO COMPONENTE ARBÓREO APÓS A MORTALIDADE DE UM MACIÇO DE TAQUARA EM UM FRAGMENTO DE FLORESTA OMBRÓFILA MISTA EM LAGES - SC
dos Santos, Kristiana Fiorentin; Ferreira, Tiago de Souza; Higuchi, Pedro; da Silva, Ana Carolina; Vandresen, Paula Búrigo; da Costa, Adriano; Spada, Grasiela; Schmitz, Verônica & de Souza, Franciele

Resumo

O presente trabalho teve como objetivo analisar a composicao floristica e a estrutura da regeneracao natural em um setor onde ocorreu a mortalidade sincronizada de um macico de taquara ( Merostachys multiramea check for this species in other resources Hackel) (CT) e em uma area adjacente, com dossel continuo e ausencia de taquara (ST), em um fragmento de Floresta Ombrofila Mista Montana em Lages - SC. Foram alocadas 14 unidades amostrais de 5 x 5 m (seis no setor CT e oito no setor ST), nas quais todos os individuos arboreos regenerantes com circunferencia a altura do peito (CAP) . 15 cm e altura . 25 cm foram identificados e mensurados (diametro do colo). As familias com maior riqueza de especies foram: Myrtaceae (nove), Solanaceae (seis) e Aquifoliaceae (quatro). O setor ST apresentou um indice de diversidade de Shannon de 2,73 e o setor CT apresentou o valor de 2,31. Solanum variabile check for this species in other resources , Piptocarpha angustifolia check for this species in other resources , Mimosa scabrella check for this species in other resources , Jacaranda puberula e Solanum pseudoquina check for this species in other resources foram as especies de maior valor de importancia (VI) no setor CT. As especies de maior VI no setor ST foram Myrsine l orentziana, Casearia decandra check for this species in other resources , Cinnamodendron dinisii check for this species in other resources , Drimys brasiliensis check for this species in other resources e Ilex paraguariensis check for this species in other resources . Os resultados mostraram que a mortalidade sincronizada de individuos de taquara influenciou na variacao espacial dos descritores floristicos e estruturais da regeneracao natural de especies arboreas.

Palavras-chave
Merostachys multiramea; componente regenerante; descritores fitossociológicos

 
 en TREE SPECIES NATURAL REGENERATION AFTER A MASSIVE BAMBOO DIE-OFF IN AN ARAUCARIA FOREST FRAGMENT IN LAGES, SANTA CATARINA STATE
dos Santos, Kristiana Fiorentin; Ferreira, Tiago de Souza; Higuchi, Pedro; da Silva, Ana Carolina; Vandresen, Paula Búrigo; da Costa, Adriano; Spada, Grasiela; Schmitz, Verônica & de Souza, Franciele

Abstract

The present study aimed to analyze the floristic and structural descriptors of tree species natural regeneration in a forest sector with synchronized bamboo (Merostachys multiramea Hackel ) die-off (CT) and an adjacent area with continuous canopy cover (ST) in an araucaria forest fragment in the municipality of Lages, Santa Catarina state. A total of 14, 5x5m, plots (six plots in CT sector and eight in ST sector) were allocated, where all tree species regenerative individual with circumference at breast height smaller than 15cm and height higher than 25cm was measured (diameter at soil level) and identified. The richest families were: Myrtaceae (nine), Solanaceae (six) and Aquifoliaceae (four). The Shannon Diversity Index in ST and CT sectors were respectively 2.73 and 2.31. The species with the highest importance values in CT sector were Solanum variabile check for this species in other resources , Piptocarpha angustifolia check for this species in other resources , Mimosa scabrella check for this species in other resources , Jacaranda puberula and Solanum pseudoquina check for this species in other resources . In ST sector, the species with highest importance values were Myrsine l orentziana, Casearia decandra check for this species in other resources , Cinnamodendron dinisii check for this species in other resources , Drimys brasiliensis check for this species in other resources and Ilex paraguariensis check for this species in other resources . The results showed that the synchronized bamboo die-off influenced the spatial variation in the floristic and structural descriptors of the tree species natural regeneration.

Keywords
Merostachys multiramea; regenerative component; phytosociological descriptors

 
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