Response of aboveground biomass and diversity to nitrogen addition along a degradation gradient in the Inner Mongolian steppe, China

Xiaotian Xu; Hongyan Liu; Zhaoliang Song; Wei Wang; Guozheng Hu; Zhaohuan Qi

doi:10.1038/srep10284

Clipping defoliation eliminates the stimulating effects of nitrogen enrichment on the aboveground productivity of an alpine meadow

Plant Soil and Environment ◽

10.17221/543/2019-pse ◽

2020 ◽

Vol 66 (No. 1) ◽

pp. 47-56

Author(s):

Ning Zong ◽

Peili Shi

Keyword(s):

Aboveground Biomass ◽

Alpine Meadow ◽

Nitrogen Addition ◽

N Addition ◽

Aboveground Productivity ◽

Soil Inorganic N ◽

Aboveground Production ◽

Biomass Removal ◽

Grass Growth ◽

Degraded Grassland

To investigate how clipping (CL) regulates the effects of nutrient addition, an experiment, including CL and nitrogen (N) addition, was conducted in an alpine meadow. Nitrogen treatment increased community coverage (48–113% higher than the control) and aboveground biomass (29–117% higher than the control), which was mainly attributed to grass growth. Both N and N + CL treatments showed a tendency to reducing species richness, while significant reduction only occurred in 2016 and 2017 in CL treatment. Clipping showed a tendency to decrease community cover (3–37% lower than the control) and aboveground biomass (2–34% lower than the control), while N + CL treatment had no effect, indicating that clipping can eliminate the simulated effects of N addition. Nitrogen addition significantly increased soil inorganic N (SIN, 528–1230% higher than the control), while SIN in N + CL was 25–48% lower than N treatment. The decrease in stimulated effects in N + CL was attributed to SIN decrease, which resulted from the aboveground biomass removal by clipping. Our results show that clipping can take away aboveground biomass and cause soil nutrients to decrease, which slows down the degraded grassland recovery. This suggests that grazing exclusion may eliminate the effect of nitrogen deposition on aboveground production in alpine grasslands.

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Distribution of switchgrass (Panicum virgatum L.) aboveground biomass in response to nitrogen addition and across harvest dates

Biomass and Bioenergy ◽

10.1016/j.biombioe.2017.03.012 ◽

2017 ◽

Vol 100 ◽

pp. 74-83 ◽

Cited By ~ 6

Author(s):

Jessica R. Miesel ◽

Laura C. Jach-Smith ◽

Mark J. Renz ◽

Randall D. Jackson

Keyword(s):

Aboveground Biomass ◽

Panicum Virgatum ◽

Nitrogen Addition ◽

Harvest Dates ◽

Panicum Virgatum L

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Independent effects of warming and nitrogen addition on plant phenology in the Inner Mongolian steppe

Annals of Botany ◽

10.1093/aob/mct079 ◽

2013 ◽

Vol 111 (6) ◽

pp. 1207-1217 ◽

Cited By ~ 54

Author(s):

Jianyang Xia ◽

Shiqiang Wan

Keyword(s):

Nitrogen Addition ◽

Plant Phenology ◽

Inner Mongolian Steppe ◽

Independent Effects

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Shifts in soil seed bank and plant community under nitrogen addition and mowing in an Inner Mongolian steppe

Ecological Engineering ◽

10.1016/j.ecoleng.2020.105900 ◽

2020 ◽

Vol 153 ◽

pp. 105900

Author(s):

Renhui Miao ◽

Meixia Guo ◽

Jun Ma ◽

Bowen Gao ◽

Alamusa ◽

...

Keyword(s):

Plant Community ◽

Seed Bank ◽

Soil Seed Bank ◽

Nitrogen Addition ◽

Inner Mongolian Steppe

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Effects of nitrogen addition and mowing on rodent damage in an Inner Mongolian steppe

Ecology and Evolution ◽

10.1002/ece3.3949 ◽

2018 ◽

Vol 8 (8) ◽

pp. 3919-3926 ◽

Cited By ~ 3

Author(s):

Yinzhan Liu ◽

Gaigai Ma ◽

Zhiman Zan ◽

Anqun Chen ◽

Yuan Miao ◽

...

Keyword(s):

Nitrogen Addition ◽

Inner Mongolian Steppe

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Response of aboveground biomass and diversity to nitrogen addition – a five-year experiment in semi-arid grassland of Inner Mongolia, China

Scientific Reports ◽

10.1038/srep31919 ◽

2016 ◽

Vol 6 (1) ◽

Cited By ~ 11

Author(s):

Kejian He ◽

Yu Qi ◽

Yongmei Huang ◽

Huiying Chen ◽

Zhilu Sheng ◽

...

Keyword(s):

Aboveground Biomass ◽

Inner Mongolia ◽

Nitrogen Addition ◽

Semi Arid

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ESTIMATION OF ABOVE GROUND BIOMASS OF THE THREE SITES (GRAZED SITE, PROTECTED SITE AND SEED SOWN SITE) FOR COMPARING THEIR PRODUCTIVITY IN KASHMIR VALLEY

FLORA AND FAUNA ◽

10.33451/florafauna.v23i2pp259-262 ◽

2017 ◽

Vol 23 (2) ◽

Author(s):

AFSHAN ANJUM BABA ◽

SYED NASEEM UL-ZAFAR GEELANI ◽

ISHRAT SALEEM ◽

MOHIT HUSAIN ◽

PERVEZ AHMAD KHAN ◽

...

Keyword(s):

Protected Areas ◽

Aboveground Biomass ◽

Plant Biomass ◽

Summer Season ◽

Above Ground Biomass ◽

Spring Season ◽

Kashmir Valley ◽

Ground Biomass ◽

Maximum Value ◽

Protected Site

The plant biomass for protected areas was maximum in summer (1221.56 g/m2) and minimum in winter (290.62 g/m2) as against grazed areas having maximum value 590.81 g/m2 in autumn and minimum 183.75 g/m2 in winter. Study revealed that at Protected site (Kanidajan) the above ground biomass ranged was from a minimum (1.11 t ha-1) in the spring season to a maximum (4.58 t ha-1) in the summer season while at Grazed site (Yousmarag), the aboveground biomass varied from a minimum (0.54 t ha-1) in the spring season to a maximum of 1.48 t ha-1 in summer seasonandat Seed sown site (Badipora), the lowest value of aboveground biomass obtained was 4.46 t ha-1 in spring while as the highest (7.98 t ha-1) was obtained in summer.

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Effect of N management approaches and planting densities on nitrogen accumulation by transplanted rice

Acta Agronomica Hungarica ◽

10.1556/aagr.53.2005.4.6 ◽

2005 ◽

Vol 53 (4) ◽

pp. 405-415 ◽

Cited By ~ 2

Author(s):

P. Janaki ◽

T. M. Thiyagarajan

Keyword(s):

Grain Yield ◽

Uptake Rate ◽

Aboveground Biomass ◽

N Uptake ◽

Planting Density ◽

Transplanted Rice ◽

The Mean ◽

N Uptake Rate ◽

Management Approaches ◽

N Management

Field experiments were conducted during 1998 and 1999 in June-September with rice variety ASD18 at the wetland farm, Tamil Nadu Agricultural University, Coimbatore, India to find out theeffect of N management approaches and planting densities on N accumulation by transplanted rice in a split plot design.The main plot consisted of three plant populations (33, 66 and 100 hills m-2) and the sub-plot treatments of five N management approaches. The results revealed thatthe average N uptake in roots and aboveground biomass progressively increased with growth stages. The mean root and aboveground biomass Nuptake were 26.1 to 130.6 and 6.4 to 17.8 kg ha-1, respectively. The N uptake of grain and straw was higher in theSesbania rostratagreen manuring + 150 kg N treatment, but it was not effective in increasing the grain yield. The mean total N uptake was found to be significantly lower at 33 hills m-2(76.9 kg ha-1) and increased with an increase in planting density (100.9 and 117.2 kg ha-1at 66 and 100 hills m-2density). N application had a significant influence on N uptake and the time course of N uptake in all the SPAD-guided N approaches. A significant regression coefficient was observed between the crop N uptake and grain yield. The relationship between cumulative N uptake at the flowering stage and the grain yield was quadratic at all three densities. The N uptake rate (µN) was maximum during the active tillering to panicle initiation period and declined sharply after that. In general, µNincreased with an increase in planting density and the increase was significant up to the panicle initiation to flowering period.thereafter, the N uptake rate was similar at densities of 66 and 100 hills m-2.

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