Microbial flora associated with submerged mangrove leaf litter in India
Rev. biol. trop
;
55(2): 393-400, jun. 2007. ilus, graf
Artigo
em Inglês
| LILACS
| ID: lil-637590
ABSTRACT
We studied the microbial flora in decomposing mangrove leaves in relation to changes in nitrogen and tannin levels, and in penaeid prawn assemblages. Senescent leaves of two mangrove species (Rhizophora apiculata and Avicennia marina) kept in nylon bags, were separately immersed for 80 days in five tanks full of mangrove water. A known amount of decomposing leaves was collected every ten days from each tank for microorganism counts, total nitrogen and tannin measurement, and juvenile penaeid prawn counts. Five genera of total heterotrophic bacteria (THB), three species of azotobacters and 19 species of fungi were identified. The azotobacters showed a significant peak around 40-50 days after the beginning of of decomposition, similar to the trend for total nitrogen and for prawn assemblages. Rev. Biol. Trop. 55 (2) 393-400. Epub 2007 June, 29.
RESUMEN
Se estudió la flora microbiana en hojas en descomposición de mangles, considerando nitrógeno, taninos y camarones peneidos jóvenes. Colocamos hojas viejas de dos especies de mangle (Rhizophora apiculata y Avicennia marina) en bolsas de nylon y las sumergimos en agua de manglar durante 80 días usando cinco tanques separados. Cada diez días extrajimos una cantidad conocida de hojas en descomposición de cada tanque. Hallamos cinco géneros de bacterias heterotróficas totales (THB), tres especies de azotobacterias y 19 especies de hongos. Las azotobacterias presentaron un pico significativo de abundancia alrededor de los 40-50 días de descomposición, un patrón similar a los del nitrógeno total y los camarones.
Texto completo:
DisponíveL
Índice:
LILACS (Américas)
Assunto principal:
Folhas de Planta
/
Avicennia
/
Rhizophoraceae
/
Fungos
/
Bactérias Gram-Negativas
/
Bactérias Gram-Positivas
Tipo de estudo:
Estudo prognóstico
/
Fatores de risco
Limite:
Animais
Idioma:
Inglês
Revista:
Rev. biol. trop
Assunto da revista:
Biologia
/
Medicina Tropical
Ano de publicação:
2007
Tipo de documento:
Artigo
País de afiliação:
Índia
Instituição/País de afiliação:
Annamalai University/IN
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