Patterns and controls of foliar nitrogen isotope composition on the Qinghai-Tibet Plateau, China

Zhou, Yulu; Cheng, Xiang; Fan, Jiangwen; Harris, W.

doi:10.1007/s11104-016-2882-5

Cited by 17 publications

(19 citation statements)

References 36 publications

(38 reference statements)

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“…To our knowledge, there are no studies that demonstrate these relationships between plants and environmental factors. However, differences in δ 15 N values among plant parts were found in some studies (Kalcsits et al, 2015;Zhou et al, 2016;Yang et al, 2015).…”

mentioning

confidence: 94%

“…Many studies concluded the shift of δ 15 N values to be related to temperature, precipitation, carbon dioxide in the air, as well as other factors (Martinelli et al, 1999;Aranibar et al, 2008;Liu and Wang, 2010;Meyers et al, 2016). However, the issue of how the environmental factors affect the plants δ 15 N is still unclear at present (West, 2006;Valery et al, 2008;Zhou et al, 2016).…”

Section: Introductionmentioning

confidence: 99%

“…N values usually become high at high Mean Annual Temperature (MAT) (Amundson et al, 2003;Martinelli et al, 1999;Zhou et al, 2016). Similarly, Kohls et al (1994) found that low temperature could result in negative plants δ…”

mentioning

confidence: 99%

“…These observations show a link between plants and environmental factors e.g., temperature. Moreover, the δ 15 N composition has been established as a useful marker to measure the interaction and correlation between plants in a controlled field environment (Zhou et al, 2016). However, most of the results of stable isotope analysis are based on large scale ecosystem assessment due to natural and anthropogenic processes (Mayor et al, 2014;Robinson, 2001).…”

mentioning

confidence: 99%

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Stable Nitrogen Isotopic Changes in Winter Wheat (<i>Triticum aestivum</i> L.) Induced by its Growth Temperature

Wang¹,

Liu²,

Hao³

2017

American Journal of Agricultural and Biological Sciences

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The nitrogen dynamics of plants can be quantified using the variation in their δ 15 N level. This reveals details of plant physiological characteristics and the relationship between plants and their growth conditions. To better understand plant nitrogen dynamics and the effects of external temperature changes on their nitrogen isotopic composition, we investigated the δ 15 N characteristics in Triticum aestivum and its mother soils during the plant's life cycle. We found that under field conditions, the plant's leaves and roots δ 15 N significantly changed. The δ 15 N values in Triticum aestivum changed from -1.6‰ to -8.1‰ for leaves and from -2.0‰ to -8.8‰ for roots, respectively. δ15 N values for both, the leaves and roots were positively correlated with temperature. However, the foliar δ 15 N corresponded more strongly to air temperature, while the root δ 15 N corresponded to soil temperature. δ 15 N values of leaf and root both changed around 0.2‰ in response to a 1 degree change in temperature. Plant roots or shoot material cannot reflect the whole plant δ 15 N values due to a considerable difference between the δ 15 N values of root and leaf. However, the variations in leaf and root δ 15 N provide useful proxies to trace seasonal plant nitrogen cycles.

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mentioning

confidence: 94%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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Stable Nitrogen Isotopic Changes in Winter Wheat (<i>Triticum aestivum</i> L.) Induced by its Growth Temperature

Wang¹,

Liu²,

Hao³

2017

American Journal of Agricultural and Biological Sciences

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“…Research on this topic has increased over the past decade [1][2][3][4]. Both local and global studies have shown that foliar d 15 N increases with decreasing mean annual precipitation (MAP) [4][5][6]. However, this general trend has only been considered in non-N 2 -fixing species [4].…”

Section: Introductionmentioning

confidence: 99%

Precipitation is the main factor affecting the variation of foliar nitrogen isotope composition in two leguminous shrub species of northwestern China

et al. 2018

Biol. Lett.

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An increase in foliar nitrogen isotope composition (δN) with decreasing precipitation has been shown to occur widely in non-N-fixing plant species. However, similar patterns have not been identified in N-fixing species. Here, we tested the relationships of foliar δN with local environmental factors and leaf properties in two leguminous shrub species ( and ) sampled from 30 populations. Results indicated that the mean annual precipitation (MAP) primarily accounted for the variation of foliar δN in the two species. Further analysis revealed strong negative correlations between foliar δN and MAP within and across species. These results suggest that the foliar δN of leguminous shrub species also shift along precipitation gradients, which augments our understanding of the relationships between foliar δN and climatic factors.

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Patterns of foliar and soil nitrogen isotope composition of Caragana microphylla, a leguminous shrub species in the semi-arid regions of northern China

Zhou

et al. 2019

Biogeochemistry

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Patterns and controls of foliar nitrogen isotope composition on the Qinghai-Tibet Plateau, China

Abstract: Background and aims Determine if relationships between temperature, precipitation and foliar nitrogen isotopes (δ 15 N) observed in various ecosystems also operate in the high-cold Qinghai-Tibet Plateau; measure variation of foliar δ

Cited by 17 publications

References 36 publications

Stable Nitrogen Isotopic Changes in Winter Wheat (<i>Triticum aestivum</i> L.) Induced by its Growth Temperature

Stable Nitrogen Isotopic Changes in Winter Wheat (<i>Triticum aestivum</i> L.) Induced by its Growth Temperature

Precipitation is the main factor affecting the variation of foliar nitrogen isotope composition in two leguminous shrub species of northwestern China

Patterns of foliar and soil nitrogen isotope composition of Caragana microphylla, a leguminous shrub species in the semi-arid regions of northern China

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