@incollection{fdi:010078624, title = {{B}acterial community contribution to nitrogen fixation and nitrous oxides production in the {S}ontecomapan lagoon}, author = {{F}errara-{G}uerrero, {M}.{J}. and {M}oran-{V}illa, {V}. and {A}ldeco-{R}amirez,{J}. and {A}ngeles-{V}azquez, {R}. and {F}igueroa-{T}orres, {M}.{G}. and {P}agano, {M}arc}, editor = {}, language = {{ENG}}, abstract = {{N}itrogen fixation and denitrification are processes poorly studied in {M}exican coastal lagoons. {I}n this study the {N} incorporation and loss rates of the bottom water and sediments were analyzed in six zones of {S}ontecomapan lagoon during "{N}ortes" and rainy seasons and their relation with the rivers outflows and the coastal marine waters entrance. {T}he rate of {N}2 fixation was calculated through acetylene reduction and the denitrification through {N}2{O} production techniques. {T}he {N}2 fixation was lower than the nitrogen loss as {N}2{O} production (denitrification). {T}he greatest fixation rate was registered in the "{N}ortes" season ; being favorated by oxic conditions and high organic matter concentrations in the sediments. {I}n the rainy season, the {N}2 fixation was lowered by 80% compared to the "{N}ortes" season. {D}enitrification was favored by low salinities in {N}ovember and was 23% higher than in {F}ebruary, 2005. {I}n the rainy season the nitrous oxide production was related to the high {N}-{NO}3 - concentrations and decreased by 18% when the salinity increased from 13 to 22 {PSU}.}, keywords = {{LAGON} ; {ZONE} {COTIERE} ; {DENITRIFICATION} ; {EAU} {DE} {SURFACE} ; {FIXATION} {BIOLOGIQUE} {DE} {L}'{AZOTE} ; {SEDIMENT} ; {CYCLE} {BIOGEOCHIMIQUE} ; {ANTHROPISATION} ; {INTERFACE} {EAU} {SEDIMENT} ; {MEXIQUE} ; {ZONE} {TROPICALE} ; {MEXIQUE} {GOLFE}}, booktitle = {{E}cology of the {S}ontecomapan lagoon, {V}eracruz}, numero = {}, pages = {87--104}, address = {{M}exico}, publisher = {{UAM} ; {IRD}}, series = {}, year = {2018}, ISBN = {9786072815155}, URL = {https://www.documentation.ird.fr/hor/fdi:010078624}, }