@article{fdi:010074159,
  title = {{S}easonal variability of {CO}2 emissions from sediments in planted mangroves ({N}orthern {V}iet {N}am)},
  author = {{H}ien, {H}. {T}. and {M}archand, {C}yril and {A}ime, {J}oanne and {C}uc, {N}. {T}. {K}.},
  editor = {},
  language = {{ENG}},
  abstract = {{M}angrove sediment stores a large quantity of organic carbon. {H}owever, its decomposition produces a significant amount of {CO}2, which can be further emitted to the atmosphere. {T}he objective of the present study was to determine {CO}2 fluxes at the sediment-air interface of planted mangrove forests and adjacent bare sediment and determine how sediment characteristics, seasonal and tidal variations impact {CO}2 emissions. {T}he results suggest sediment organic carbon content ({TOC}) was a key parameter influencing sediment properties beside others sediment characteristics such as grain-size and sediment water content. {A}t the sediment-air interface, {CO}2 fluxes measured in the wet season were significantly higher ({P} < 0.001) than in dry season in mangroves, with mean values of 140.55 +/- 109.66 and 50.50 +/- 31.64 mmol {CO}2 m(-2) d(-1), respectively. {I}n the bare sediment, the fluxes were significantly lower than in mangroves ({P} < 0.01), with 66.23 +/- 38.16 mmol {CO}2 m(-2) d(-1) in the wet season and 18.61 +/- 10.61 mmol {CO}2 m(-2) {C}r' in the dry season. {T}he higher fluxes measured in the mangroves were associated with higher organic carbon content of the mangrove sediment. {T}he study determined the {CO}2 emission rate in mangrove sediment was 1.75 +/- 0.76 {M}g{C} ha(-1) yr(-1). {A}fter having removed 2 mm depth of sediment surface, containing microbes and biofilms, {CO}2 fluxes increased from 1.27 to 3.33 times compared to dark conditions. {T}here was also evidence that temperature greatly influenced {CO}2 emissions with {Q}(10) values of 2.63 for mangrove sediment and of 2.75 for bare sediment. {T}his study suggests that {TOC}, temperature, tidal cycles and biofilms developing at the sediment surface were among the main factors driving {CO}2 emissions from the sediment of the planted mangroves. {I}n a future research effort, it is recommended that {CO}2 fluxes are partitioned to identify {CO}2 origin, specifically the amount produced by root respiration. {W}e also suggest that in mangrove planting programmes, a whole carbon budget be performed to determine the exact amount of carbon (or {CO}(2)eq) that can be fixed.},
  keywords = {{VIET} {NAM}},
  booktitle = {},
  journal = {{E}stuarine {C}oastal and {S}helf {S}cience},
  volume = {213},
  numero = {},
  pages = {28--39},
  ISSN = {0272-7714},
  year = {2018},
  DOI = {10.1016/j.ecss.2018.08.006},
  URL = {https://www.documentation.ird.fr/hor/fdi:010074159},
}