Mangrove Detrital Decomposition - · PDF fileMangrove Detrital Decomposition ONG, J.E. ......
Transcript of Mangrove Detrital Decomposition - · PDF fileMangrove Detrital Decomposition ONG, J.E. ......
DETRITUS
Dead Organic Matter
• Particulate
• Dissolved
DETRTUS
• Leaf litter
• Root litter
• Dead wood
FATE OF PRODUCTION
Microbes0 - 1
Burial
Burial Export
Crab Faeces0.05-0.2
Higher Consumers
Crab Biomass0.1-0.3
Macrofeeders0.5-2.5
Export2-4
LEAF LITTER5 t /ha/yr
Biomass Partitioning & Growth
1.5
48
56
5
(GPP=65)
(NPP=17)
5
Unit: t C ha -1 y-1
?
DETRITIVORES
• Macro Detritivores[e.g. Crabs, amphipods]
• Micro Detritivores[e.g. Bacteria, fungi]
METHODS
• String (macro- & micro-)
• Mesh bag (micro-)
• Mesh cage (micro-)
REFERENCES
• Japar Sidek Bujang, Ong, J.E. & Gong, W.K. (2001). Microbial succession of mangrove Rhizophora apiculata Bl leaf litter. Journal of the Microscopy Society of Malaysia 4: 6-10.
• Plant Biomass and Nutrient Flux in a Managed Mangrove Forest. Estuarine, Coastal and Shelf Science 31: 519-530.