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Master's Dissertation
DOI
https://doi.org/10.11606/D.11.2019.tde-20191218-122252
Document
Author
Full name
Ary Vieira de Paiva
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
Piracicaba, 1997
Supervisor
Title in Portuguese
Crescimento de mudas de espécies arbóreas nativas, em plantio de enriquecimento do sub-bosque de um fragmento florestal
Keywords in Portuguese
ÁRVORES FLORESTAIS NATIVAS
CRESCIMENTO
FRAGMENTOS FLORESTAIS
MUDAS
Abstract in Portuguese
Poucos dados científicos foram encontrados sobre os efeitos do meio ambiente no crescimento de mudas de espécies arbóreas em sub-bosque de fragmentos florestais remanescentes. Neste experimento, instalado na Usina Hidroelétrica de São Joaquim, Guará - SP, a 20o 34' de latitude sul e a 47° 47' de longitude oeste, observou-se que a luminosidade natural encontrada sob o dossel foi baixa, semelhante à das florestas primárias, variando de 0,83 a 2,0 Klux. A temperatura média do solo permaneceu ligeiramente abaixo da temperatura média do ambiente. A umidade do solo acompanhou a distribuição da precipitação pluviométrica, atingindo níveis abaixo do ponto de murchamento no período de déficit hídrico. O angico (Anadenanthera macrocarpa) cresceu em um ano 25,82 cm, como também o cedro (Cedrella fissilis) 25,61 cm, seguidos pelo jatobá (Hymenaea courbaril L. var. stilbocarpa) 20,30 cm, guatambú (Aspidosperma parvifolium) 14,24 cm e ipê-roxo (Tabebuia avellanidae) 13,51 cm . O cedro apresentou o maior incremento médio em diâmetro de colo, totalizando 6,14 mm no mesmo período. A taxa de mortalidade foi baixa para todas as espécies, sendo maior para o cedro, atingindo 5,09 %, devido principalmente ao ataque da broca Hypsipyla grandella.
Title in English
Seedlings growth of native tree species in enrichment plantation of the understory vegetation in a forest fragment
Abstract in English
There are a few scientific data about the effect of the environment on the growth of the seedling tree species in the understory of remaning forest fragment. In this experiment, situated in Guará - SP, at 20° 34' S and at 47° 47' W, it was observed that the natural luminosity under the canopy was low, ranging from 0.83 to 2.0 Klux. The soil temperature remained slightly below the air temperature all the time. The soil moisture followed the rainfall pattern, reaching leavels below the wilting percentage during the drought period. Anadenathera macrocarpa grew 25.8 cm, Cedrella fissilis 25.6 cm, Hymenaea courbaril L. var. stilbocarpa 20.3 cm, Aspidosperma parvifolium, 14.2 cm and Tabebuia avellanedae 13.5 cm. Cedrella fissilis got the major radial grouth average, with 6. 1 mm. The mortality rate was low to all the species, although a little bit higher for the Cedrella fissilis (5,09%), due to the Hypsipyla grandella attack.
 
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PaivaAryVieira.pdf (6.39 Mbytes)
Publishing Date
2019-12-19
 
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