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Boletín de la Sociedad Botánica de México
versão impressa ISSN 0366-2128
Resumo
ROCHA-LOREDO, Ana Guadalupe e RAMIREZ-MARCIAL, Neptalí. Producción y descomposición de hojarasca en diferentes condiciones sucesionales del bosque de pino-encino en Chiapas, México. Bol. Soc. Bot. Méx [online]. 2009, n.84, pp.1-12. ISSN 0366-2128.
^les^len^aLitter production was evaluated in successional pine-oak forests in two localities in Chiapas; simultaneously we assessed the leaf-litter decomposition of seven tree species (Alnus acuminata subsp. arguta, Chiranthodendron pentadactylon, Cle-thra suaveolens, Liquidambar styraciflua, Quercus crassifolia, Quercus sapotifolia and Pinus oocarpa). After 1-year, the highest litter production was recorded in pine-oak-forests (7.59±0.29 Mgha-1year-1), followed by the oak forests (6.58±0.27 Mgha-1year-1), pine-oak-Liquidambar forests (5.33±0.18 Mgha-1year-1), pine forest (5.18±0.19 Mgha-1year-1), and the lowest annual litter production occurred in the plots under forest restoration (2.43±0.13 Mgha-1year-1). After 10-mo, the highest rate of leaf-litter decomposition occurred in Alnus acuminata (61-67%) regardless of the forest conditions and in the rest of the species, litter decomposition ranged from 34-52%, but not significant differences between forest conditions were observed.
Palavras-chave : Árboles nativos; bosque de Pinus-Quercus-Liquidambar; Chiranthodendron pentadactylon; lagunas de Monte-bello; materia orgánica; restauración forestal; trampas de hojarasca.