Comparison of ¹⁵N₂ flux and acetylene inhibition denitrification methods in Atchafalaya River basin sediments

References

• Aulenbach , BT , Buxton , HT , Battaglin , WA and Coupe , RH . 2007. Streamflow and nutrient fluxes of the Mississippi–Atchafalaya River basin and subbasins for the period of record through 2005. United States Geological Survey. Open File Report 2007-1080
   Google Scholar
• Clement , JC , Pinay , G and Marmonier , P . 2002 . Seasonal dynamics of denitrification along topohydrosequences in three different riparian wetlands . Journal of Environmental Quality , 31 ( 3 ) : 1025 – 1037 .
   PubMedGoogle Scholar
• Cornwell , JC , Kemp , WM and Kana , TM . 1999 . Denitrification in coastal ecosystems: methods, environmental controls, and ecosystem level controls, a review . Aquatic Ecology , 33 ( 1 ) : 41 – 54 .
   Google Scholar
• Dunn , DD . 1996 . Trends in nutrient inflows to the Gulf of Mexico from streams draining the conterminous United States 1972–93 , Austin, Texas : USGS Report 96-4113 .
   Google Scholar
• Ferguson , AJP and Eyre , BD . 2007 . Seasonal discrepancies in denitrification measured by isotope pairing and N2:Ar techniques . Marine Ecology Progress Series , 350 ( 3707 ) : 19 – 27 .
   Google Scholar
• Goolsby , DA , Battaglin , WA , Aulenbach , BT and Hooper , RP . 2001 . Nitrogen input to the Gulf of Mexico . Journal of Environmental Quality , 30 ( 2 ) : 329 – 336 .
   PubMed Web of Science ®Google Scholar
• Groffman , PM . 1994 . Denitrification in freshwater wetlands . Current Topics in Wetland Biogeochemistry , 1 : 15 – 36 .
   Google Scholar
• Groffman , PM , Altabet , MA , Bohlke , JK , Butterbach-Bahl , K , David , MB , Firestone , MK , Giblin , AE , Kana , TM , Nielsen , LP and Voytek , MA . 2006 . Methods for measuring denitrification: diverse approaches to a difficult problem . Ecological Applications , 16 ( 6 ) : 2091 – 2122 .
   PubMedGoogle Scholar
• Hauck , RD and Bouldin , DR . 1961 . Distribution of isotopic nitrogen in nitrogen gas during denitrification . Nature , 191 : 871 – 872 .
   Web of Science ®Google Scholar
• Hernandez , ME and Mitsch , WJ . 2007 . Denitrification potential and organic matter as affected by vegetation community, wetland age, and plant introduction in created wetlands . Journal of Environmental Quality , 36 ( 1 ) : 333 – 342 .
   PubMedGoogle Scholar
• Lindau , CW , Delaune , RD , Collins , JW , Bollich , PK , Scott , LM and Lambremont , EN . 1998 . Methane and nitrous oxide evolution and N-15 and Ra-226 uptake as affected by application of gypsum and phosphogypsum to Louisiana rice . Agriculture, Ecosystems and Environment , 68 : 165 – 173 .
   Google Scholar
• Lindau , CW , Patrick , WH , Delaune , RD , Reddy , KR and Bollich , PK . 1988 . Entrapment of nitrogen-15 dinitrogen during soil denitrification . Soil Science Society of America Journal , 52 : 538 – 540 .
   Google Scholar
• Lohse , L , Kloosterhuis , HT , van Raaphorst , W and Helder , W . 1996 . Denitrification rates as measured by the isotope pairing method and by the acetylene inhibition technique in continental shelf sediments of the North Sea . Marine Ecology Progress Series , 132 : 169 – 179 .
   Web of Science ®Google Scholar
• Mississippi River/Gulf of Mexico Watershed Nutrient Task Force. 2001. Action plan for reducing, mitigating, and controlling hypoxia in the northern Gulf of Mexico. Washington, DC
   Google Scholar
• Mississippi River/Gulf of Mexico Watershed Nutrient Task Force. 2008. Gulf hypoxia action plan 2008 for reducing, mitigating, and controlling hypoxia in the northern Gulf of Mexico and improving water quality in the Mississippi River basin. Washington, DC
   Google Scholar
• Mitsch , WJ and Gosselink , JG . 2000 . Wetlands , New York : Van Nostrand Reinhold .
   Google Scholar
• Mulvaney , RL and Boast , CW . 1986 . Equations for determination of nitrogen-15 labeled dinitrogen and nitrous oxide by mass spectrometry . Soil Science Society of America Journal , 50 : 360 – 363 .
   Google Scholar
• Rabalais , NN , Turner , RE and Wiseman , WJ . 2002 . Gulf of Mexico, aka “the dead zone” . Annual Review of Ecology and Systematics , 33 : 235 – 263 .
   Google Scholar
• Rolston DE. 1986. Gas flux In: Methods of soil analysis, Part 1. Klute A, editor, Physical and mineralogical methods. Madison, Wisconsin: Soil Science Society of America. p. 1103–1119
   Google Scholar
• Seitzinger , SP , Harrison , JA , Bohlke , JK , Bouwman , AF , Lawrance , R , Peterson , B , Tobias , C and van Drecht , G . 2006 . Denitrification across landscapes and waterscapes: a synthesis . Ecological Applications , 16 : 2064 – 2090 .
   PubMed Web of Science ®Google Scholar
• Seitzinger , SP , Nielsen , LP , Caffrey , J and Christensen , PB . 1993 . Denitrification measurements in aquatic sediments: a comparison of three methods . Biogeochemistry , 23 : 147 – 167 .
   Web of Science ®Google Scholar
• Siegel , RS , Hauck , RD and Kurtz , LT . 1982 . Determination of 30N2 and application to measurement of N2 evolution during denitrification . Soil Science Society of America Journal , 46 : 68 – 74 .
   Web of Science ®Google Scholar
• Smith , LK , Voyek , MA , Bohlke , JK and Harvey , JW . 2006 . Denitrification in nitrate-rich streams: application of N2:Ar and 15N-tracer methods in intact cores . Ecological Applications , 16 : 2191 – 2207 .
   PubMed Web of Science ®Google Scholar
• Steingruber , SM , Friedrich , J , Gachter , R and Wehrli , B . 2001 . Measurement of denitrification in sediments with the 15N isotope pairing technique . Applied and Environmental Microbiology , 67 : 3771 – 3778 .
   PubMed Web of Science ®Google Scholar
• DC USEPA 2001. Action plan to reduce the size of the “dead zone” in the Gulf of Mexico. Washington . 4503F . Office of Water , EPA 841-F-01-001
   Google Scholar
• USGS 2007 . The Gulf of Mexico hypoxic zone [Internet]. [Accessed 2010 October 7]. Available from: http://toxics.usgs.gov./hypoxia/hypoxic_zone.html
   Google Scholar
• van Luijn , F , Boers , PCM and Lijklema , L . 1996 . Comparison of denitrification rates in lake sediments obtained by the N2 flux method, the 15N isotope pairing technique and the mass balance approach . Water Resources , 30 : 893 – 900 .
   Google Scholar
• Wallenstein , MD , Myrold , DD , Firestone , M and Voytek , M . 2006 . Environmental controls on denitrifying communities and denitrification rates: insights from molecular methods . Ecological Application , 16 : 2143 – 2152 .
   PubMed Web of Science ®Google Scholar
• Watts , SH and Seitzinger , SP . 2000 . Denitrification rates in organic and mineral soils from riparian sites: a comparison of N2 flux and acetylene inhibition methods . Soil Biology and Biochemistry , 32 : 1383 – 1392 .
   Web of Science ®Google Scholar
• Well , R and Myrold , DD . 1999 . Laboratory evaluation of a new method for in situ measurement of denitrification in water-saturated soils . Soil Biology and Biochemistry , 31 : 1109 – 1119 .
   Google Scholar