Throughfall Nitrogen Deposition Has Different Impacts on Soil Solution Nitrate Concentration in European Coniferous and Deciduous Forests

Kristensen, Hanne Lakkenborg; Gundersen, Per; Callesen, Ingeborg; Reinds, G.J.

doi:10.1007/s10021-003-0216-y

Cited by 125 publications

(99 citation statements)

References 21 publications

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“…The lower N fluxes in throughfall compared to bulk precipitation also indicate that dry deposition of inorganic N compounds on foliage, in the form of gases or aerosols, is probably quite low in our study site. In many European temperate broadleaved forests, throughfall fluxes exceed bulk precipitation fluxes due to the wash-off of dry-deposited compounds (e.g., Kristensen et al 2004;Thimonier et al 2005), even though N is most likely taken up by the canopy as well (Harrison et al 2000). The strongly enhanced throughfall K + concentrations and fluxes that we observed at our beech stands is also well documented in the literature for tree canopies (Stachurski and Zimka 2002).…”

Section: General Effect Of the Tree Canopy On Precipitation Chemistrysupporting

confidence: 84%

Seasonal variations of throughfall chemistry in pure and mixed stands of Oriental beech (Fagus orientalis Lipsky) in Hyrcanian forests (Iran)

Salehi

Amiri

Attarod

et al. 2015

Annals of Forest Science

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Section: General Effect Of the Tree Canopy On Precipitation Chemistrysupporting

confidence: 84%

Seasonal variations of throughfall chemistry in pure and mixed stands of Oriental beech (Fagus orientalis Lipsky) in Hyrcanian forests (Iran)

Salehi

Amiri

Attarod

et al. 2015

Annals of Forest Science

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“…Precipitation DIN input was estimated at 31.6 and 34.2 kg N ha −1 yr −1 in the two years studied (Table 2), which are comparable to the highest deposition levels observed in Europe (MacDonald et al, 2002;Kristensen et al, 2004), but higher than those observed in most forests in North America (Fenn et al, 1998;Campbell et al, 2004) and Japan (Ohte et al, 2001). Precipitation DIN deposition at our site is higher than some other parts of southern China as well (Gan et al, 1995;Chen et al, 1997;Sha et al, 2002;Chen and Mulder, 2007a), except in Zhangzhou of Fujiang Province and Shanghai where average deposition of 37 and 58 kg N ha −1 yr −1 in precipitation were reported (Xiao et al, 2005;Zhang, 2006).…”

Section: Wet N Depositionsupporting

confidence: 57%

Input and output of dissolved organic and inorganic nitrogen in subtropical forests of South China under high air pollution

et al. 2008

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Abstract. The nitrogen (N) emissions to the atmosphere and N deposition to forest ecosystems are increasing rapidly in Southeast Asia, but little is known about the fates and effects of elevated N deposition in forest ecosystems in this warm and humid region. Here we report the concentrations and fluxes of dissolved inorganic (DIN) and organic N (DON) in precipitation, throughfall, surface runoff and soil solution for three subtropical forests in a region of South China under high air pollution over two years (2004 and 2005), to investigate how deposited N is processed, and to examine the importance of DON in the N budget. The precipitation DIN input was 32-34 kg N ha −1 yr −1 . An additional input of 18 kg N ha −1 yr −1 as DON was measured in 2005, which to our knowledge is the highest DON flux ever measured in precipitation. A canopy uptake of DIN was indicated in two young conifer dominated forests (72-85% of DIN input reached the floor in throughfall), whereas no uptake occurred in an old-growth broadleaf forest. The DON fluxes in throughfall were similar to that in precipitation in all forests. In the younger forests, DIN was further retained in the soil, with 41-63% of precipitation DIN leached below the 20-cm soil depth. Additionally, about half of the DON input was retained in these forests. The N retention in two young aggrading forests (21-28 kg N ha −1 yr −1 ) was in accordance with the estimates of N accumulation in biomass and litter accretion. In the old-growth forest, no N retention occurred, but rather a net loss of 8-16 kg N ha −1 yr −1 from the soil was estimated. In total up to 60 kg N ha −1 yr −1 was leached from the old-growth forest, indicating that this forest was completely N saturated and could not retain addiCorrespondence to: Y. T. Fang (fangyt@scbg.ac.cn) tional anthropogenic N inputs. We found that the majority of DIN deposition as well as of DIN leaching occurred in the rainy season (March to August) and that monthly DIN concentrations and fluxes in leaching were positively related to those in throughfall in all three forests, implying that part of the N leaching was hydrologically driven. Our results suggest that long-term high N deposition has caused elevated N leaching in all three forest types although most pronounced in the old-growth forest where wood increment was negligible or even negative. N availability even exceeded the biotic N demand in the young aggrading forests, with intensive rain in the growing season further enhancing N leaching in these forests.

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“…, which was more than twice the wet N deposition in Europe (Kristensen et al, 2004). Consequently, the magnitude of N deposition in this study could underestimate the total N deposition, due to the missing DON deposition and dry N deposition.…”

mentioning

confidence: 65%

Inorganic nitrogen wet deposition: Evidence from the North-South Transect of Eastern China

Zhan

et al. 2015

Environmental Pollution

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a b s t r a c tWe examined the spatio-temporal variation of dissolved inorganic nitrogen (DIN) deposition in eight typical forest ecosystems of Eastern China for three consecutive years. DIN deposition exhibited an increasing gradient from north to south, with N À NH þ 4 as the predominant contributor. DIN deposition in precipitation changed after interaction with the forest canopy, and serious ecological perturbations are expected in this region. DIN deposition presented seasonal fluctuations, which might be ascribed to agricultural activity, fossil-fuel combustion and environmental factors (i.e., wind direction, soil temperature). Notably, N fertilizer use (F N ), energy consumption (E), and precipitation (P) jointly explained 84.3% of the spatial variation in DIN deposition, of which F N (27.2%) was the most important, followed by E (24.8%), and finally P (9.3%). The findings demonstrate that DIN deposition is regulated by precipitation mainly via anthropogenic N emissions, and this analysis provides decision-makers a novel view for N pollution abatement.

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Throughfall Nitrogen Deposition Has Different Impacts on Soil Solution Nitrate Concentration in European Coniferous and Deciduous Forests

Cited by 125 publications

References 21 publications

Seasonal variations of throughfall chemistry in pure and mixed stands of Oriental beech (Fagus orientalis Lipsky) in Hyrcanian forests (Iran)

Seasonal variations of throughfall chemistry in pure and mixed stands of Oriental beech (Fagus orientalis Lipsky) in Hyrcanian forests (Iran)

Input and output of dissolved organic and inorganic nitrogen in subtropical forests of South China under high air pollution

Inorganic nitrogen wet deposition: Evidence from the North-South Transect of Eastern China

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