Changes in carbon, nutrients and stoichiometric relations under different soil depths, plant tissues and ages in black locust plantations

Li, Hong; Li, Jing; He, Yalong; Li, Shaojun; Liang, Zongsuo; Peng, Changhui; Polle, Andrea; Luo, Zhibin

doi:10.1007/s11738-013-1326-6

Cited by 54 publications

(33 citation statements)

References 50 publications

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“…Increased [C] and C:N ratios with increasing water availability may be attributed to shifts in the partitioning of biomass to biomechanical support tissues with relatively higher [C] but lower [N], such as stems and coarse roots (Aerts & Chapin, ; Elser et al., ). We previously found that precipitation stimulated the rate of plant growth and increased plant size (biomass and height) in grassland ecosystems in these drylands (Luo et al., ), indicating that plants need to invest and allocate more C to stems and course roots (Aerts & Chapin, ; Elser et al., ; Sterner & Elser, ), which may further dilute the [N] in those tissues, resulting in higher [C] and lower [N] and hence higher C:N ratios (Li et al., ; Luo et al., ).…”

Section: Discussionmentioning

confidence: 99%

“…Water availability in temperate ecosystems can influence the rate of plant growth and the availability of soil N, leading to changes in plant N concentration ([N]) and C:N ratios in aboveground biomass (An et al., ). Altered climates and soil fertility can also lead to changes in plant size (Li & Yang, ; Li et al., ), rates of plant production (Guo et al., ; Huxman et al., ), metabolism, and patterns of biomass allocation (Luo et al., ; Yang, Fang, Ma, Guo, & Mohammat, ), consequently resulting in variation in C and nutrient composition (Elser et al., ; Luo et al., ) because various plant structures and metabolic processes have distinct and divergent requirements for C and other nutrients (Elser et al., ). These relationships, however, are very complex and vary in their roles in the effect of the stoichiometry of plant organs on plant growth and production and the variation with plant size in nutrient allocation to different organs (Elser et al., ).…”

Section: Introductionmentioning

confidence: 99%

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Carbon and nitrogen allocation shifts in plants and soils along aridity and fertility gradients in grasslands of China

Luo

Sardans

et al. 2017

Ecology and Evolution

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Plant carbon (C) and nitrogen (N) stoichiometry play an important role in the maintenance of ecosystem structure and function. To decipher the influence of changing environment on plant C and N stoichiometry at the subcontinental scale, we studied the shoot and root C and N stoichiometry in two widely distributed and dominant genera along a 2,200‐km climatic gradient in China's grasslands. Relationships between C and N concentrations and soil climatic variables factors were studied. In contrast to previous theory, plant C concentration and C:N ratios in both shoots and roots increased with increasing soil fertility and decreased with increasing aridity. Relative N allocation shifted from soils to plants and from roots to shoots with increasing aridity. Changes in the C:N ratio were associated with changes in N concentration. Dynamics of plant C concentration and C:N ratios were mainly caused by biomass reallocation and a nutrient dilution effect in the plant‐soil system. Our results suggest that the shifted allocation of C and N to different ecosystem compartments under a changing environment may change the overall use of these elements by the plant‐soil system.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Carbon and nitrogen allocation shifts in plants and soils along aridity and fertility gradients in grasslands of China

Luo

Sardans

et al. 2017

Ecology and Evolution

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“…C, N and P concentrations in the soil are crucial for ecosystem sustainability and productivity (Ågren, 2008;Li et al, 2013). C is mainly derived from soil organic matter, which can stabilize soil structure against erosion and enhance soil nutrient availability (Wang et al, 2008).…”

Section: Discussionmentioning

confidence: 99%

Influence of Nitrogen Fertilization on Wheat, and Soil Carbon, Nitrogen and Phosphorus Stoichiometry Characteristics

Zhong¹,

Yan²,

Xu³

et al. 2015

IJAB

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Nitrogen fertilizer is the most commonly fertilizer for increasing grain yield of wheat, but its effects on wheat carbon (C), nitrogen (N) and phosphorus (P) availability are not clear yet. This field experiment was conducted to evaluate the C, N and P stoichiometry characteristics of winter wheat and soil and their relationship during the anthesis and harvest stages under nitrogen fertilization (0, 180, 360 kg ha -1 ) in Northwest China. We found that N fertilization could increase N contents, C: P and N: P ratios and decrease P contents, C: N ratio in wheat. During anthesis, the highest N and P contents were found in the flag leaf and culm, respectively and at harvest, N and P contents were higher in the grain. N and P contents in all tissues of wheat were related, and more importantly, a significant relationship with the soil N and P contents was found, these results could help us understand the nutritional balance regulation in wheat under nitrogen fertilization.

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“…The soil total carbon (SOC) was determined using an Elemental analyzer (Elementar, Germany). Total nitrogen (TN) content was assessed via the Kjeldahl method [ 33 ]. Ammonium nitrogen (NH 4 + -N) and nitrate nitrogen (NO 3 - -N) levels were measured using an AA3 continuous flow analytical system with 1 M KCl extraction (AA3, Germany) [ 32 ].…”

Section: Methodsmentioning

confidence: 99%

Effects of stand age and soil properties on soil bacterial and fungal community composition in Chinese pine plantations on the Loess Plateau

Dang

et al. 2017

PLoS ONE

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The effects of Chinese pine (Pinus tabuliformis) on soil variables after afforestation have been established, but microbial community changes still need to be explored. Using high-throughput sequencing technology, we analyzed bacterial and fungal community composition and diversity in soils from three stands of different-aged, designated 12-year-old (PF1), 29-year-old (PF2), and 53-year-old (PF3), on a Chinese pine plantation and from a natural secondary forest (NSF) stand that was almost 80 years old. Abandoned farmland (BL) was also analyzed. Shannon index values of both bacterial and fungal community in PF1 were greater than those in PF2, PF3 and NSF. Proteobacteria had the lowest abundance in BL, and the abundance increased with stand age. The abundance of Actinobacteria was greater in BL and PF1 soils than those in other sites. Among fungal communities, the dominant taxa were Ascomycota in BL and PF1 and Basidiomycota in PF2, PF3 and NSF, which reflected the successional patterns of fungal communities during the development of Chinese pine plantations. Therefore, the diversity and dominant taxa of soil microbial community in stands 12 and 29 years of age appear to have undergone significant changes; afterward, the soil microbial community achieved a relatively stable state. Furthermore, the abundances of the most dominant bacterial and fungal communities correlated significantly with organic C, total N, C:N, available N, and available P, indicating the dependence of these microbes on soil nutrients. Overall, our findings suggest that the large changes in the soil microbial community structure of Chinese pine plantation forests may be attributed to the phyla present (e.g., Proteobacteria, Actinobacteria, Ascomycota and Basidiomycota) which were affected by soil carbon and nutrients in the Loess Plateau.

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Changes in carbon, nutrients and stoichiometric relations under different soil depths, plant tissues and ages in black locust plantations

Cited by 54 publications

References 50 publications

Carbon and nitrogen allocation shifts in plants and soils along aridity and fertility gradients in grasslands of China

Carbon and nitrogen allocation shifts in plants and soils along aridity and fertility gradients in grasslands of China

Influence of Nitrogen Fertilization on Wheat, and Soil Carbon, Nitrogen and Phosphorus Stoichiometry Characteristics

Effects of stand age and soil properties on soil bacterial and fungal community composition in Chinese pine plantations on the Loess Plateau

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