Nutrient Dynamics Associated with Leaching and Microbial Decomposition of Four Abundant Mangrove Species Leaf Litter of the Sundarbans, Bangladesh

Hossain, Mahmood; Siddique, Mohammad Raqibul Hasan; Abdullah, S. M. Rubaiot; Saha, Sanjoy; Ghosh, Dinesh Chandra; Rahman, Md. Saidur; Limon, Sharif Hasan

doi:10.1007/s13157-013-0510-1

Cited by 36 publications

(28 citation statements)

References 46 publications

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“…On the other hand, a slower decrease of initial carbon and nutrients (%) towards the later stages of leaf litter decomposition may be due to microbial oxidation of refractory components, physical and biological fragmentation. Similar observations were noted by various authors (Mahmood et al [47]; Hasanuzzaman and Hossain [37]). At some points of decomposition in wet season, increased initial nutrients (N, P, and K) concentration in decomposing leaf litter was observed ( Figures 3 and 4).…”

Section: Plot Of Meanssupporting

confidence: 91%

“…At some points of decomposition in wet season, increased initial nutrients (N, P, and K) concentration in decomposing leaf litter was observed ( Figures 3 and 4). This phenomenon is attributed to immobilization in the residual leaf litter (microbial or non-microbial) acting the decomposing leaf litter as a surface for fungi or heterotrophic organisms [4,[47][48][49].…”

Section: Plot Of Meansmentioning

confidence: 99%

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Carbon and Nutrient Release Patterns during Leaf litter Decomposition in Boter-Becho Forest, Southwestern Ethiopia

Seta¹,

Demissew²,

Woldu³

et al. 2016

J Ecosyst Ecogr

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Carbon and nutrient release patterns from decomposing leaves in the forest involve initial leaching, a net immobilization by microbes and a net release phase where the nutrient mass decreases. The aim of this study was to assess the effect of disturbance and season (dry and wet) in the carbon (C) and nutrient release patterns from decomposing leaves. The decomposition of a mixed leaf litter in slightly disturbed (SD) and highly disturbed (HD) sites of Boter-Becho forest was investigated during one year. Litterbags of a mixed leaf litter (20 g each) were buried at a depth of 15 cm in the soils. Residual of mixed leaf litter was monthly retrieved, oven-dried (80°C for 24 h) and weighed. Initial leaf litter and decomposing leaf litter were analyzed for C, total nitrogen (N), available phosphorus (P) and potassium (K). Differences in C and nutrients remaining between seasons and site were evaluated by one way ANOVA at P<0.05. Simple linear regression analysis was performed to predict the nutrient release pattern using initial litter chemistry. The results showed that there was no significant difference between the initial litter chemistry and nutrient release except for K (P=0.021). Moreover, the site had no significant influence on the C and nutrient release patterns except for K (P=0.013). A significant difference was observed (P<0.001) in C and nutrient release pattern between wet and dry season in both sites being greater the release in the wet season. This could be because of the higher temperature and rainfall in wet season which increase microbial activity and thus decomposition rate and nutrient release. Therefore, the rate of decomposition, C and nutrient release pattern in the Boter-Becho forest mainly depend on the climatic factors but not on the initial litter chemistry or site disturbance.

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Section: Plot Of Meanssupporting

confidence: 91%

Section: Plot Of Meansmentioning

confidence: 99%

Carbon and Nutrient Release Patterns during Leaf litter Decomposition in Boter-Becho Forest, Southwestern Ethiopia

Seta¹,

Demissew²,

Woldu³

et al. 2016

J Ecosyst Ecogr

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“…First, even though mangroves are known to resorb nutrients prior to leaf abscission (Killingbeck 1996;Lin et al 2010), recently senesced mangrove leaves leach soluble organic compounds (e.g. sugars, organic acids and proteins) and inorganic nutrients (nitrogen and phosphorus) during the initial stages of decomposition (Cundell et al 1979;Hossain et al 2014). Before the soluble forms of nutrients were lost from the system or immobilized, the mangrove seedlings could have taken them up.…”

Section: Discussionmentioning

confidence: 99%

Effects of Rhizophora mangle leaf litter and seedlings on carbon and nitrogen cycling in salt marshes – potential consequences of climate-induced mangrove migration

et al. 2018

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Background and aims Due to the production of large amounts of tannins and phenolics by Rhizophora mangle, it was hypothesized that the invasion of this mangrove species in salt marshes due to global warming will result in changes in the cycling of carbon and nitrogen. Methods Leaf litter and/or seedlings of R. mangle were placed into 1-m 2 experimental plots in a Distichlis spicata-dominated salt marsh on the Atlantic Coast of central Florida (USA). An additional litter decomposition experiment was conducted in all plots by adding litter bags containing 10 g of dried D. spicata shoot litter. Seedling growth was measured yearly. One and four years after the start of the experiment, soil samples were collected to determine physical and chemical soil conditions, potential nitrification and denitrification activities and abundances of genes that are related to microbial processes in the nitrogen cycle. Results Growth of R. mangle seedlings was stimulated in the presence of R. mangle litter, while decomposition rates of D. spicata litter were lower in plots with R. mangle litter and seedlings. The presence of R. mangle litter and/or seedlings had no significant effect on potential nitrification and denitrification activities and on the abundances of genes. Conclusion The colonization of R. mangle into D. spicata-dominated salt marshes will affect the carbon cycle, but not necessarily the nitrogen cycle, which is likely due to the pre-existing nitrogen-limited conditions in the salt marsh.

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“…, Hossain et al . ). If we included these other biotic factors that speed up degradation, then the potential N release from mangrove leaves will be greater.…”

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confidence: 97%

“…For instance, we did not include large organisms such as crabs, which are known to accelerate the degradation time of mangrove litter (D'Croz et al 1989, Twilley et al 1997. Nor did we incorporate different species of mangrove leaves in the experiment, which could also correspond with dissimilar N release from the leaves (Ake-Castillo et al 2006, Hossain et al 2014). If we included these other biotic factors that speed up degradation, then the potential N release from mangrove leaves will be greater.…”

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confidence: 99%

Particulate Matter in Mangrove Forests and Seagrass Beds as a Nitrogen Source in Tropical Coastal Ecosystems

et al. 2015

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Nutrient Dynamics Associated with Leaching and Microbial Decomposition of Four Abundant Mangrove Species Leaf Litter of the Sundarbans, Bangladesh

Cited by 36 publications

References 46 publications

Carbon and Nutrient Release Patterns during Leaf litter Decomposition in Boter-Becho Forest, Southwestern Ethiopia

Carbon and Nutrient Release Patterns during Leaf litter Decomposition in Boter-Becho Forest, Southwestern Ethiopia

Effects of Rhizophora mangle leaf litter and seedlings on carbon and nitrogen cycling in salt marshes – potential consequences of climate-induced mangrove migration

Particulate Matter in Mangrove Forests and Seagrass Beds as a Nitrogen Source in Tropical Coastal Ecosystems

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