2018
DOI: 10.1016/j.ecoleng.2017.06.069
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Decomposition as a regulator of carbon accretion in mangroves: a review

Abstract: The production and decomposition of litter in mangroves plays a significant role in the nutrient and organic carbon cycles. These can be highly variable both spatially and temporally as a result of numerous factors including tidal range, forest type, abundance and type of herbivorous fauna, temperature, and microbial activity. Mangroves also play an important role in blue carbon sequestration, with their status as carbon sinks crucial in mitigating against greenhouse gas-induced climate change. Blue carbon is … Show more

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Cited by 53 publications
(40 citation statements)
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“…However, the carbon sink capacity of mangroves extends beyond carbon burial (Maher et al, 2018). Part of the buried carbon is remineralized and exported as dissolved carbon (Friesen et al, 2018; Maher, Santos, Golsby‐Smith, et al, 2013), which is largely unaccounted for in current blue carbon budgets. Furthermore, carbon remineralization results in greenhouse gas emissions, which partly offset carbon sequestration (Rosentreter et al, 2018b).…”
Section: Introductionmentioning
confidence: 99%
“…However, the carbon sink capacity of mangroves extends beyond carbon burial (Maher et al, 2018). Part of the buried carbon is remineralized and exported as dissolved carbon (Friesen et al, 2018; Maher, Santos, Golsby‐Smith, et al, 2013), which is largely unaccounted for in current blue carbon budgets. Furthermore, carbon remineralization results in greenhouse gas emissions, which partly offset carbon sequestration (Rosentreter et al, 2018b).…”
Section: Introductionmentioning
confidence: 99%
“…These changes could lower the water table, thereby stimulating significant releases of GHGs as a result of an increase in microbial activities which could deplete available soil nutrients (Freeman et al, 1993;Martikainen et al, 1993). Friesen et al (2018) investigated decomposition in mangrove soils and identified tidal inundation, vegetation types, faunal community, and microbial processes as factors that could influence organic matter accretion in such ecosystems.…”
Section: Dasat Et Al Fjsmentioning
confidence: 99%
“…The ongoing climate change and anthropogenic disturbances such as deforestation, reclamation, urbanization, and land-use changes pose a great threat to these ecosystems, yet the magnitude and consequences of these disturbances are just beginning to be examined [4][5][6][7][8]. Although such disturbances can have substantial impacts on C sequestration and existing soil C pool in the coastal ecosystems, we currently lack the ability to mechanically understand and predict such impacts, primarily because mechanisms underlying OM stabilization in these ecosystems are poorly understood [9][10][11][12]. Research on C storage in the vegetated coastal ecosystems is on the stage of estimating the global C stocks and cycling [1,3,13,14] and the regional variation of these stocks [15][16][17].…”
Section: Introductionmentioning
confidence: 99%
“…The most accepted scenario leading to high C sequestration in mangrove soils has been that high net primary production (NPP) and low decomposition rate (soil respiration rate) because of suboxic conditions favor the sequestration of belowground C. However, recent findings indicate that the decomposition rate as measured by soil respiration has been severely underestimated because of the huge lateral export of dissolved inorganic carbon in groundwater [3,13,18,19]. Moreover, the decomposition rate of mangrove litter and roots varies considerably within and between mangrove forests [11,20,21]. Soils with more saturated conditions can have higher OM decomposition rates compared to drier conditions, for instance by enhanced leaching or through the release of physico-chemically protected OM due to metal reduction [22][23][24][25][26].…”
Section: Introductionmentioning
confidence: 99%