Investigation of the Structural and Functional Microbial Diversity in Indian Mangroves

Mukherji, S. M.; Haldar, Subhash; Ghosh, Abhrajyoti

doi:10.1007/978-3-030-18975-4_5

Cited by 1 publication

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References 124 publications

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“…It is conceivable that new microbe species and new N transformation pathways await discovery in mangrove environments. Fungi are also involved in organic matter decomposition and in carbon and nitrogen cycling processes, especially on litter and in roots and rhizomes [122][123][124]. In mangrove soils, a vast menagerie of highly diverse bacterial, archaeal, fungal and protistan communities exist, comprised mostly of members of the phyla Proteobacteria and Bacteroidetes, Bathyarchaeota and Euryarchaeota, Ascomycota, and Sarcondina, Mastigophora, Ciliophora and Myxomycota.…”

Section: The Nitrogen Cycle In Soilsmentioning

confidence: 99%

Nitrogen Cycling and Mass Balance in the World’s Mangrove Forests

Alongi

2020

Nitrogen

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Nitrogen (N) cycling in mangroves is complex, with rapid turnover of low dissolved N concentrations, but slow turnover of particulate N. Most N is stored in soils. The largest sources of N are nearly equal amounts of mangrove and benthic microalgal primary production. Dissolved N fluxes between the forests and tidal waters show net uptake, indicating N conservation. N2-fixation is underestimated as rapid rates measured on tree stems, aboveground roots and cyanobacterial mats cannot currently be accounted for at the whole-forest scale due to their extreme patchiness and the inability to extrapolate beyond a localized area. Net immobilization of NH4+ is the largest ecosystem flux, indicating N retention. Denitrification is the largest loss of N, equating to 35% of total N input. Burial equates to about 29% of total inputs and is the second largest loss of N. Total inputs slightly exceed total outputs, currently suggesting net N balance in mangroves. Mangrove PON export equates to ≈95% of PON export from the world’s tropical rivers, but only 1.5% of the entire world’s river discharge. Mangrove N2O emissions, denitrification, and burial contribute 0.4%, 0.5–2.0% and 6%, respectively, to the global coastal ocean, which are disproportionate to their small worldwide area.

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Section: The Nitrogen Cycle In Soilsmentioning

confidence: 99%

Nitrogen Cycling and Mass Balance in the World’s Mangrove Forests

Alongi

2020

Nitrogen

View full text Add to dashboard Cite

show abstract

Investigation of the Structural and Functional Microbial Diversity in Indian Mangroves

Cited by 1 publication

References 124 publications

Nitrogen Cycling and Mass Balance in the World’s Mangrove Forests

Nitrogen Cycling and Mass Balance in the World’s Mangrove Forests

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