137 Van Drecht G,Bouwman A F,Knoop J M,et al.Global modeling of the fate of nitrogen from point and nonpoint sources in soils,groundwater,and surface water.Glob Biogeochem Cycle,2003,17: 1115
[2]
138 Levy H,Moxim W J.Simulated global distribution and deposition of reactive nitrogen emitted by fossil fuel combustion.Tellus,1989,41: 256-271
[3]
139 Hameeda S,Dignon J.Global emissions of nitrogen and sulfur oxides in fossil fuel combustion 1970-1986.J Mr Waste Manage Assoc,1992,42: 159-163
[4]
140 Seitzinger S.Nitrogen cycle: Out of reach.Nature,2008,452: 162-163
[5]
141 Maazouzi C,Claret C,Dole-Olivier M J,et al.Nutrient dynamics in river bed sediments: Effects of hydrological disturbances using experimental flow manipulations.J Soils Sediments,2013,13: 207-219
[6]
142 Jennerjahn T C.Biogeochemical response of tropical coastal systems to present and past environmental change.Earth-Sci Rev,2012,114: 19-41
[7]
143 Wood P J,Armitage P D.Biological effects of fine sediment in the lotic environment.Environ Manage,1997,21: 203-217
[8]
1 Canfield D E,Glazer A N,Falkowski P G.The evolution and future of Earth's nitrogen cycle.Science,2010,330: 192-196
[9]
2 Keddy P A.Wetland Ecology: Principles and Conservation.Cambridge: Cambridge University Press,2010
[10]
3 Davidson T A,Mackay A W,Wolski P,et al.Seasonal and spatial hydrological variability drives aquatic biodiversity in a flood-pulsed,sub-tropical wetland.Freshwater Biol,2012,57: 1253-1265
[11]
4 Yates C N,Wootton B C,Murphy S D.Performance assessment of arctic tundra municipal wastewater treatment wetlands through an arctic summer.Ecol Eng,2012,44: 160-173
[12]
5 Keddy P A,Fraser L H,Solomeshch A I,et al.Wet and wonderful: The world's largest wetlands are conservation priorities.Bioscience,2009,59: 39-51
8 Gu B J,Ge Y,Ren Y,et al.Atmospheric reactive nitrogen in China: Sources,recent trends,and damage costs.Environ Sci Technol,2012,46: 9420-9427
[16]
13 Dere A L,Stehouwer R C,Aboukila E,et al.Nutrient leaching and soil retention in mined land reclaimed with stabilized manure.J Environ Qual,2012,41: 2001-2008
[17]
15 Saunders D L,Kalff J.Nitrogen retention in wetlands,lakes and rivers.Hydrobiologia,2001,443: 205-212
[18]
18 Storey R G,Fulthorpe R R,Williams D D.Perspectives and prediction on the microbial ecology of the hyporheic zone.Freshwater Biol,1999,41: 119-130
[19]
22 Salvato M,Borina M,Donib S,et al.Wetland plants,micro-organisms and enzymatic activities interrelations in treating N polluted water.Ecol Eng,2012,47: 36-43
[20]
23 Likens G E,Driscoll C T,Buso D C.Long-term effects of acid rain: Response and recovery of a forest ecosystem.Science,1996,272: 244-246
[21]
24 Galloway J N,Townsend A R,Erisman J W,et al.Transformation of the nitrogen cycle: Recent trends,questions,and potential solutions.Science,2008,320: 889-892
[22]
28 Fleckenstein J H,Krause S,Hannah D M,et al.Groundwater-surface water interactions: New methods and models to improve understanding of processes and dynamics.Adv Water Resour,2010,33: 1291-1295
[23]
29 Robertson A L,Wood P J.Ecology of the hyporheic zone: Origins,current knowledge and future directions.Fundam Appl Limnol,Arch Hydrobiol,2010,176: 279-289
[24]
30 Cirmo C P,McDonnell J J.Linking the hydrologic and biogeochemical controls of nitrogen transport in near-stream zones of temperate-forested catchments: A review.J Hydrol,1997,199: 88-120
[25]
40 Knox A K,Dahlgren R A,Tate K W,et al.Efficacy of natural wetlands to retain nutrient,sediment and microbial pollutants.J Environ Quality,2008,37: 1837-1846
[26]
43 Kettering J,Park J H,Lindner S,et al.N fluxes in an agricultural catchment under monsoon climate: A budget approach at different scales.Agr Ecosyst Environ,2012,161: 101-111
[27]
44 Ortiz-Zayas J R,Cuevas E,Mayol-Bracero O L,et al.Urban influences on the nitrogen cycle in Puerto Rico.Biogeochemistry,2006,79: 109-133
[28]
45 Howden N J K,Burt T P,Worrall F,et al.Nitrate concentrations and fluxes in the River Thames over 140 years (1868-2008): Are increases irreversible? Hydrol Process,2010,24: 2657-2662
[29]
46 Hanson G C,Groffman P M,Gold A J.Symptoms of nitrogen saturation in a riparian wetland.Ecol Appl,1994,4: 750-756
[30]
48 Morris J T.Effects of nitrogen loading on wetland ecosystems with particular reference to atmospheric deposition.Annu Rev Ecol Syst,1991,22: 257-279
[31]
49 Yu W T,Jiang C M,Ma Q,et al.Observation of the nitrogen deposition in the lower Liaohe River Plain,Northeast China and assessing its ecological risk.Atmos Res,2011,101: 460-468
[32]
50 Winchester J W,Escalon L,Fu J M,et al.Atmospheric deposition and hydrogeologic flow of nitrogen in northern Florida watersheds.Geochim Cosmochim Acta,1995,59: 2215-2222
[33]
51 Elser J J,Andersen T,Baron J S,et al.Shifts in lake N:P stoichiometry and nutrient limitation driven by atmospheric nitrogen deposition.Science,2009,326: 835-837
[34]
52 Holland E A,Dentener F J,Braswell B H,et al.Contemporary and pre-industrial global reactive nitrogen budgets.Biogeochemistry,1999,46: 7-43
[35]
54 Galloway J N,Dentener F J,Capone D G,et al.Nitrogen cycles: Past,present,and future.Biogeochemistry,2004,70: 153-226
[36]
58 Peoples M B,Herridge D F,Ladha J K.Biological nitrogen fixation: An efficient source of nitrogen for sustainable agricultural production.Plant Soil,1995,174: 3-28
[37]
59 Smil V.Nitrogen in crop production: An account of global flows.Glob Biogeochem Cycle,1999,13: 647-662
[38]
60 Buresh R J,Casselman M E,Patrick Jr W H.Nitrogen fixation in flooded soil systems,a review.Adv Agron,1980,33: 149-192
[39]
61 Vitousek P M,Cassman K,Cleveland C,et al.Towards an ecological understanding of biological nitrogen fixation.Biogeochemistry,2002,57: 1-45
[40]
62 Horne A J,Dillard J E,Fujita D K,et al.Nitrogen fixation in Clear Lake,California.II.Synoptic studies on the autumn Anabaena bloom.Limnol Oceanogr,1972,17: 693-703
[41]
63 Grimm N B,Petrone K C.Nitrogen fixation in a desert stream ecosystem.Biogeochemistry,1997,37: 33-61
[42]
64 Burt T P,Matchett L S,Goulding K W T,et al.Denitrification in riparian buffer zones: The role of floodplain hydrology.Hydrol Process,1999,13: 1451-1463
76 Krause S,Tecklenburg C,Munz M,et al.Streambed nitrogen cycling beyond the hyporheic zone: Flow controls on horizontal patterns and depth distribution of nitrate and dissolved oxygen in the upwelling groundwater of a lowland river.J Geophys Res Biogeosci,2013,118: 54-67
[45]
77 Lansdown K,Trimmer M,Heppell C M,et al.Characterization of the key pathways of dissimilatory nitrate reduction and their response to complex organic substrates in hyporheic sediments.Limnol Oceanogr,2012,57: 387-400
[46]
79 Strous M,Fuerst J A,Kramer E H M,et al.Missing lithotroph identified as new planctomycete.Nature,1999,400: 446-449
[47]
81 Mulder A,Graaf A A,Robertson L A,et al.Anaerobic ammonium oxidation discovered in a denitrifying fluidized bed reactor.FEMS Microbiol Ecol,1995,16: 177-184
[48]
82 Kuypers M M M,Sliekers A O,Lavik G,et al.Anaerobic ammonium oxidation by anammox bacteria in the Black Sea.Nature,2003,422: 608-611
[49]
83 Kuypers M M M,Lavik G,Thamdrup B.Anaerobic ammonium oxidation in the marine environment.In: Nerelin L N,ed.Past and Present Water Column Anoxia.Dordrecht: Springer,2006,64: 311-335
[50]
84 Zhu G,Jetten M S M,Kuschk P,et al.Potential roles of anaerobic ammonium and methane oxidation in the nitrogen cycle of wetland ecosystems.Appl Microbiol Biotech,2010,86: 1043-1055
[51]
85 Wang Z,Qi Y,Wang J,et al.Characteristics of aerobic and anaerobic ammonium-oxidizing bacteria in the hyporheic zone of a contaminated river.World J Microbiol Biotechnol,2012,28: 2801-2811
[52]
86 Zhu G,Wang S,Wang W,et al.Hotspots of anaerobic ammonium oxidation at land-freshwater interfaces.Nat Geosci,2013,6: 103-107
[53]
87 Reddy K R,De Busk W F.Nutrient removal potential of selected aquatic macrophytes.J Environ Qual,1985,14: 459-462
[54]
92 Kang S,Kang H,Ko D,et al.Nitrogen removal from a riverine wetland: A field survey and simulation study of Phragmites japonica.Ecol Eng,2002,18: 467-475
[55]
93 Spoelstra J,Schiff S L,Semkina R G,et al.Nitrate attenuation in a small temperate wetland following forest harvest.Forest Ecol Manag,2010,259: 2333-2341
[56]
94 Vymazal J.Types of constructed wetlands for wastewater treatment: Their potential for nutrient removal.In: Vymazal J,ed.Transformations of Nutrients in Natural and Constructed Wetlands.Leiden: Backhuys Publishers,2001.1-93
[57]
95 Cosandey A C,Maitre V,Guenat C,et al.Patterns of nitrate attenuation in riparian wetlands.In: Nehring K W,Brauning S E,eds.Wetland Remediation,Vol II.Columbus: Battelle Press,2002.347-354
[58]
96 Bolke J K,Denver J M.Combined use of groundwater dating,chemical,and isotopic analyses to resolve the history and fate of nitrate contamination in two agricultural watersheds,Atlantic coastal plain,Maryland.Water Resour Res,1995,31: 2319-2339
[59]
97 Canfield D E,Glazer A N,Falkowski P G.The evolution and future of earth's nitrogen cycle.Science,2010,330: 192-196
[60]
102 Elser J J,Bracken M E S,Cleland E E,et al.Global analysis of nitrogen and phosphorus limitation of primary producers in freshwater,marine and terrestrial ecosystems.Ecol Lett,2007,10: 1135-1142
[61]
103 Hunter W J.Accumulation of nitrite in denitrifying barriers when phosphate is limiting.J Contam Hydrol,2003,66: 79-91
[62]
114 Mitsch W J,Gosselin J G.Wetlands.New York: Van Nostrand Reinhold Company Inc,2000.89-125
[63]
115 Wang Z Y,Qi Y,Wang J,et al.Characteristics of aerobic and anaerobic ammonium-oxidizing bacteria in the hyporheic zone of a contaminated river.World J Microbiol Biotechnol,2012,28: 2801-2811
[64]
118 Leininger S,Urich T,Schloter M,et al.Archaea predominate among ammonia-oxidizing prokaryotes in soils.Nature,2006,442: 806-809.
[65]
119 Sahan E,Muyzer G.Diversity and spatio-temporal distribution of ammonia-oxidizing archaea and bacteria in sediments of the Westerschelde estuary.FEMS Microbiol Ecol,2008,64: 175-186
[66]
120 Amir N.Bioactive chemicals and biological-biochemical activities and their function in rhizosphere of wetland plants.Bot Rev,2000,66: 350-378
[67]
121 Marumoto T,Anderson J P E,Domsch L H.Decomposition of 14C- and 15N-labeled microbial cells in soil.Soil Biol Biochem,1982,14: 461-467
[68]
122 Febria C M,Beddoes P,Fulthorpe R R,et al.Bacterial community dynamics in the hyporheic zone of an intermittent stream.ISME J,2012,6: 1078-1088
[69]
123 Hoewyk D V,Groffman P M,Erik K,et al.Soil nitrogen dynamics in organic and mineral soil calcareous wetlands in eastern New York.Soil Sci Soc Am J,2000,64: 2168-2173
[70]
126 Crenshaw C L,Grimm N B,Zeglin L H,et al.Dissolved inorganic nitrogen dynamics in the hyporheic zone of reference and human- altered southwestern US streams.Fundam Appl Limnol,Arch Hydrobiol,2010,176: 391-405
[71]
130 Galloway J N,Cowling E B.Reactive nitrogen and the world: 200 years of change.Ambio,2002,31: 64-71
[72]
9 Townsend A R,Howarth R W,Bazzaz F A,et al.Human health effects of a changing global nitrogen cycle.Front Ecol Environ,2003,1: 240-246
[73]
10 Deegan L A,Johnson D S,Warren R S,et al.Coastal eutrophication as a driver of salt marsh loss.Nature,2012,490: 388-392
[74]
11 Hankin S L,Weilhoefer C L,Kaldy J E,et al.Sediment diatom species and community response to nitrogen addition in Oregon (USA) estuarine tidal wetlands.Wetland,2012,32: 1023-1031
[75]
12 Hochman Z,Carberry P S,Robertson M J,et al.Prospects for ecological intensification of Australian agriculture.Eur J Agron,2013,44: 109-123
[76]
14 Roley S S,Tank J L,Williams M A.Hydrologic connectivity increases denitrification in the hyporheic zone and restored floodplains of an agricultural stream.J Geophys Res,2012,doi: 10.1029/2012JG001950
[77]
16 Ocampo C J,Oldham C E,Sivapalan M.Nitrate attenuation in agricultural catchments: Shifting balances between transport and reaction.Water Resour Res,2006,doi: 10.1029/2004WR003773
[78]
17 McHale M R,Cirmo C P,Mitchell M J,et al.Wetland nitrogen dynamics in an Adirondack forested watershed.Hydrol Process,2004,18: 1853-1870
[79]
19 Triska F J,Duff J H,Avanzino R J.Patterns of hydrological exchange and nutrient transformation in the hyporheic zone of a gravel- bottom stream: Examining terrestrial-aquatic link-ages.Freshwater Biol,1993,29: 259-274
[80]
20 Triska F J,Duff J H,Avanzino R J.The role of water exchange between a stream channel and its hyporheic zone in nitrogen cycling at the terrestrial-aquatic interface.Hydrobiologia,1993,251: 167-184
[81]
21 Gibert J,Standford J A,Dole-Olivier M J,et al.Basic attributes of groundwater ecosystem and prospects for research.In: Gibert J,Danielopol D L,Standford J A,eds.Groundwater Ecology.San Diego: Academic Press,1994
26 Hedin L O,Von Fischer J C,Ostrom N E,et al.Thermodynamic constraints on nitrogen transformations and other biogeochemical processes at soil-stream interfaces.Ecology,1998,79: 684-703
[84]
27 Sophocleous M.Interactions between groundwater and surface water: The state of the science.Hydrogeol J,2002,10: 52-67
[85]
31 Zarnetske J P,Haggerty R,Wondzell S M,et al.Dynamics of nitrate production and removal as a function of residence time in the hyporheic zone.J Geophys Res,2011,doi: 10.1029/2010JG001356
[86]
32 White D S.Perspectives on defining and delineating hyporheic zones.J N Am Benthol Soc,1993,12: 61-69
[87]
33 Valett H M,Hakenkamp C C,Boulton A J.Perspectives on the hyporheic zone: Integrating hydrology and biology Introduction.J N Am Benthol Soc,1993,12: 40-43
[88]
34 Boulton A J,Foster J G.Effects of buried leaf litter and vertical hydrologic exchange on hyporheic water chemistry and fauna in a gravel-bed river in northern New South Wales,Australia.Freshwater Biol,1998,40: 229-243
[89]
35 Stubbington R,Greenwood A M,Wood P J,et al.The response of perennial and temporary headwater stream invertebrate communities to hydrological extremes.Hydrobiologia,2009,230: 299-312
[90]
36 Wondzell S M.The role of the hyporheic zone across stream network.Hydrol Process,2011,25: 3525-3532
[91]
37 Krause S,Hannah D M,Fleckenstein J H.Hyporheic hydrology: Interactions at the groundwater-surface water interface.Hydrol Process,2009,23: 2103-2107
42 Howden N J K,Burt T P,Worrall F,et al.Nitrate pollution in intensively farmed regions: What are the prospects for sustaining high- quality groundwater? Water Resour Res,2011,doi: 10.1029/2011WR010843
[96]
47 Tessier J T,Raynal D J.Use of nitrogen to phosphorus ratios in plant tissue as an indicator of nutrient limitation and nitrogen saturation.J Appl Ecol,2003,40: 523-534
[97]
53 Gruber N,Galloway J N.An earth-system perspective of the global nitrogen cycle.Nature,2008,451: 293-296
[98]
55 Lü C,Tian H.Spatial and temporal patterns of nitrogen deposition in China: Synthesis of observational data.J Geophys Res: Atmos,2007,doi: 10.1029/2006JD007990
66 Jansson M,Andersson R,Berggren H,et al.Wetlands and lakes as nitrogen traps.Ambio,1994,23: 320-325
[102]
67 Fisher J,Acreman M C.Wetland nutrient removal: A review of the evidence.Hydrol Earth Syst Sci,2004,8: 673-685
[103]
68 Sirivedhin T,Gray K A.Factors affecting denitrification rates in experimental wetlands: Field and laboratory studies.Ecol Eng,2006,26: 167-181
[104]
69 Robertson W D,Russell B M,Cherry J A.Attenuation of nitrate in aquitard sediments of southern Ontario.J Hydrol,1996,180: 267-281
[105]
70 Stelzer R,Bartsch L A,Richardson W B,et al.The dark side of the hyporheic zone: Depth profiles of nitrogen and its processing in stream sediments.Freshwater Biol,2011,56: 2021-2033
[106]
71 Beauchamp E G,Trevors J T,Paul J W.Carbon sources for bacterial denitrification.Adv Soil Sci,1989,10: 113-142
[107]
72 Rivett M O,Buss S R,Morgan P,et al.Nitrate attenuation in groundwater: A review of biogeochemical controlling processes.Water Res,2008,42: 4215-4232
[108]
73 Korom S F.Natural denitrification in the saturated zone: A review.Water Resour Res,1992,28: 1657-1668
[109]
74 Tesoriero A J,Liebscher H,Cox S E.Mechanism and rate of denitrification in an agricultural watershed: Electron and mass balance along groundwater flow paths.Water Resour Res,2000,36: 1545-1559
[110]
75 Pinay G O,Keefe T C,Edwards R T,et al.Nitrate removal in the hyporheic zone of a salmon river in Alaska.River Res Applic,2009,25: 367-375
[111]
78 Arrigo R A.Marine microorganisms and global nutrient cycles.Nature,2005,437: 349-355
[112]
80 You J,Das A,Dolan E M,et al.Ammonia-oxidizing archaea involved in nitrogen removal.Water Res,2009,43: 1801-1809
[113]
88 Martin J F,Reddy K R.Interaction and spatial distribution of wetland nitrogen processes.Ecol Model,1997,44: 93-118
[114]
89 Zhang C B,Liu W L,Wang J,et al.Effects of monocot and dicot types and species richness in mesocosm constructed wetlands on removal of pollutants from wastewater.Bioresource Technol,2011,102: 10260-10265
[115]
90 Romero J A,Comin F A,Garcia C.Restored wetlands as filters to remove nitrogen.Chemosphere,1999,39: 323-332
[116]
91 Billore S K,Singh N,Sharma J K,et al.Horizontal subsurface flow gravel bed constructed wetland with Phragmites karka in Central India.Water Sci Tech,1999,40: 163-171
[117]
98 Smith J W N,Lerner D N.Geomorphologic control on pollutant retardation at the groundwater-surface water interface.Hydrol Process,2008,22: 4679-4694
[118]
99 Salvato M,Borin M,Donib S,et al.Wetland plants,micro-organisms and enzymatic activities interrelations in treating N polluted water.Ecol Eng,2012,47: 36-43
[119]
100 Groffman P M,Crawford M K.Denitrification potential in urban riparian zones.J Environ Qual,2003,32: 1144-1149
[120]
101 Fu J X,Jiang X,Zhao J.The influence of inorganic carbon on anaerobic ammonia oxidation.Appl Mech Mater,2013,275-277: 2226-2229
105 Sa?udo-Wilhelmy S A,Kustka A B,Gobler C J,et al.Phosphorus limitation of nitrogen fixation by Trichodesmium in the central Atlantic Ocean.Nature,2001,411: 66-69
[123]
106 Zhu W X,Ehrenfelc J G.Nitrogen mineralization and nitrification in suburban and undeveloped Atlantic White Cedar wetlands.J Environ Qual,1999,28: 523-529
[124]
107 Rust C M,Aelion C M,Flora J R V.Control of pH during denitrification in sub-surface sediment microcosms using encapsulated phosphate buffer.Water Res,2000,34: 1447-1454
[125]
108 Brady N C,Weil R R.The Nature and Properties of Soils.13th ed.New Jersey: Prentice Hall,2002
110 Kumar A R,Riyazuddin P.Seasonal variation of redox species and redox potentials in shallow groundwater: A comparison of measured and calculated redox potentials.J Hydrol,2012,444-445: 187-198
[128]
111 Fisher S G,Grimm N B,Marti E,et al.Material spiraling in stream corridors: A telescoping ecosystem model.Ecosystems,1998,1: 19-34
[129]
112 Mayer P M,Groffman P M,Striz E A,et al.Nitrogen dynamics at the groundwater-surface water interface of a degraded urban stream.J Environ Qual,2010,39: 810-823
[130]
113 Lie E,Welander T.Influence of dissolved oxygen and oxidation-reduction potential on the denitrification rate of activated sludge.Water Sci Tech,1994,30: 91-100
[131]
116 Juma N G,Paul E A.Mineralizable soil nitrogen: Amounts and extractability ratios.Soil Sci Soc Am J,1984,48: 76-80
[132]
117 Strous M,Fuerst J A,Kramer E H M,et al.Missing lithotroph identified as new planctomycete.Nature,1999,400: 446-449
125 Fields S.Global nitrogen: Cycling out of control.Environ Health Perspect,2004,112: A556-A563
[135]
127 Groffman P M,Gold A J,Addy K.Nitrous oxide production in riparian zones and its importance to national emission inventories.Chemosphere,2000,2: 291-299
[136]
128 Groffman P M,Law N L,Belt K T,et al.Nitrogen fluxes and retention in urban watershed ecosystems.Ecosystems,2004,7: 393-403
[137]
129 Howarth R W,Boyer E W,Pabich W J,et al.Nitrogen use in the United States from 1961-2000 and potential future trends.AMBIO: J Human Environ,2002,31: 88-96
[138]
131 Smil V.Enriching the Earth: Fritz Haber,Carl Bosch,and the Transformation of World Food Production.Cambridge (MA): MIT Press,2004
[139]
132 Aneja V P,Blunden J,Roelle P A,et al.Workshop on agricultural air quality: State of the science.Atmos Environ,2008,42: 3195-3208
[140]
133 Lin B L,Sakoda A,Shibasaki R,et al.A modelling approach to global nitrate leaching caused by anthropogenic fertilization.Water Res,2001,35: 1961-1968
[141]
134 Vitousek P M,Aber J D,Howarth R W,et al.Human alteration of the global nitrogen cycle: Causes and consequences.Ecol Appl,1997,7: 737-750
[142]
135 Howarth R W,Swaney D P,Boyer E W,et al.The influence of climate on average nitrogen export from large watersheds in the Northeastern United States.Biogeochemistry,2006,79: 163-186
[143]
136 Schlesinger W H.On the fate of anthropogenic nitrogen.Proc Natl Acad Sci USA,2008,106: 203-208
[144]
144 Nogaro G,Datry T,Mermillod-Blondin F,et al.Influence of streambed sediment clogging on microbial processes in the hyporheic zone.Freshwater Biol,2010,55: 1288-1302
[145]
145 West J M,Chilton P J.Aquifers as environments for microbiological activity.Q J Eng Geol,1997,30: 149-154