Impact of nitrogen deposition on nitrogen cycling in forests: a synthesis of NITREX data

Gundersen, Per; Emmett, Bridget A.; Kjønaas, O. Janne; Koopmans, C. J.; Tietema, Albert

doi:10.1016/s0378-1127(97)00124-2

Cited by 566 publications

(376 citation statements)

References 39 publications

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“…There were no differences among the three fertilization lysimeters. Gundersen et al (1998);Solinger et al (2001) found that the contribution of DON to N leaching from forest ecosystems was commonly reduced to \10% if N input was more than 10 kg N ha -1 year -1 and total N leaching was [19 kg ha -1 year -1 .…”

Section: Dissolved Organic Nitrogen Concentrations and Fluxesmentioning

confidence: 99%

Leaching losses of nitrate nitrogen and dissolved organic nitrogen from a yearly two crops system, wheat-maize, under monsoon situations

Huang

Liang

Ouyang

et al. 2011

Nutr Cycl Agroecosyst

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A large amount of nitrogen (N) fertilizers applied to the winter wheat-summer maize double cropping systems in the North China Plain (NCP) contributes largely to N leaching to the groundwater. A series of field experiments were carried out during October 2004 and September 2007 in a lysimeter field to reveal the temporal changes of N leaching losses below 2-m depth from this land system as well as the effects of N fertilizer application rates on N leaching. Four N rates (0, 180, 260, and 360 kg N ha -1 as urea) were applied in the study area. Seasonal leachate volumes were 87 and 72 mm in the first and second maize season, respectively, and 13 and 4 mm during the winter wheat and maize season in the third rotational year, respectively. The average seasonal flow-weighted NO 3 -N concentrations in leachate for the four N fertilizer application rates ranged from 8.1 to 103.7 mg N l -1 , and seasonal flow-weighted dissolved organic nitrogen (DON) concentrations in leachate varied from 0.8 to 6.0 mg N l -1 . Total amounts of NO 3 -N leaching lost throughout the 3 years were in the range of 14.6 to 177.8 kg ha -1 for the four N application rates, corresponding to N leaching losses in the range of 4.0-7.6% of the fertilizers applied. DON losses throughout the 3 years were 1.4, 2.1, 3.6, and 6.3 kg N ha -1 for the four corresponding fertilization rates. The application rate of 180 kg N ha -1 was recommended based on the balance between reducing N leaching and maintaining crop yields. The results indicated that there is a potential risk of N leaching during the winter wheat season, and over-fertilization of chemical N can result in substantial N leaching losses by high-intensity rainfalls in summer.

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Section: Dissolved Organic Nitrogen Concentrations and Fluxesmentioning

confidence: 99%

Leaching losses of nitrate nitrogen and dissolved organic nitrogen from a yearly two crops system, wheat-maize, under monsoon situations

Huang

Liang

Ouyang

et al. 2011

Nutr Cycl Agroecosyst

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“…A great number of studies on N deposition have been carried out in Europe and North America, where industrial development occur earliest (Matson et al, 1999;Galloway et al, 2003). Results have shown that in predominately N-limited temperate forests in these regions, the experimental and atmospheric N inputs had dramatically altered ecosystem processes and properties, including forest productivity, soil fertility, species composition, litter decomposition, and N loss from soils to groundwater and atmosphere Kahl et al, 1993;Magill et al, 1996Magill et al, , 2000Magill et al, , 2004Emmett et al, 1998;Fenn et al, 1998;Gundersen, 1998;Gundersen et al, 1998Gundersen et al, , 2006Hall and Matson, 2003).…”

Section: Introductionmentioning

confidence: 99%

Response of Nitrogen Leaching to Nitrogen Deposition in Disturbed and Mature Forests of Southern China

Fang

Yoh

et al. 2009

Pedosphere

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“…Soils with large pools of organic C and high C:N ratios are generally associated with N accumulation and tend to export less NO 3 -than soils with low C:N ratios (e.g., Aber et al 1998;Gundersen et al 1998). When Nr availability is elevated in an N-limited system (e.g., through atmospheric N deposition), soil inorganic N is readily utilized by plants, resulting in increased C uptake (Gruber and Galloway 2008) and reduced below-ground allocation of C (Deegan et al 2012).…”

Section: Complex Interactions Of N With Other Elementsmentioning

confidence: 99%

“…In addition to the LTER sites, long-term N experiments have been also been conducted at other sites in the USA and Europe. Examples of European studies include the NITREX (Gundersen et al 1998) and climate experiments linked with N dynamics [e.g., CLI-MEX (Wright 1998), CLIMOOR (Beier et al 2004), and VULCAN (Peñuelas et al 2007)]. Lake manipulation experiments have been undertaken in Canada, Norway, the USA, and Finland (e.g., Carpenter et al 2001;Harris et al 2014).…”

Section: Introductionmentioning

confidence: 99%

Consequence of altered nitrogen cycles in the coupled human and ecological system under changing climate: The need for long-term and site-based research

Shibata

Branquinho

McDowell

et al. 2014

AMBIO

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Anthropogenically derived nitrogen (N) has a central role in global environmental changes, including climate change, biodiversity loss, air pollution, greenhouse gas emission, water pollution, as well as food production and human health. Current understanding of the biogeochemical processes that govern the N cycle in coupled human-ecological systems around the globe is drawn largely from the long-term ecological monitoring and experimental studies. Here, we review spatial and temporal patterns and trends in reactive N emissions, and the interactions between N and other important elements that dictate their delivery from terrestrial to aquatic ecosystems, and the impacts of N on biodiversity and human society. Integrated international and long-term collaborative studies covering research gaps will reduce uncertainties and promote further understanding of the nitrogen cycle in various ecosystems.

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Impact of nitrogen deposition on nitrogen cycling in forests: a synthesis of NITREX data

Cited by 566 publications

References 39 publications

Leaching losses of nitrate nitrogen and dissolved organic nitrogen from a yearly two crops system, wheat-maize, under monsoon situations

Leaching losses of nitrate nitrogen and dissolved organic nitrogen from a yearly two crops system, wheat-maize, under monsoon situations

Response of Nitrogen Leaching to Nitrogen Deposition in Disturbed and Mature Forests of Southern China

Consequence of altered nitrogen cycles in the coupled human and ecological system under changing climate: The need for long-term and site-based research

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