4.7 Article

Examination of the negative correlation between leaf 815N and the N:P ratio across a northeast-southwest transect in China

Related references

Note: Only part of the references are listed.
Article Ecology

Whole-Ecosystem Warming Increases Plant-Available Nitrogen and Phosphorus in an Ombrotrophic Bog

Colleen M. Iversen et al.

Summary: Warming is found to exponentially increase plant-available ammonium and phosphate in a peatland ecosystem, with no effect from elevated CO2 levels. The dynamics of nutrient availability are influenced by peat depth and microtopography. Future predictions of peatland nutrient availability should take into account dynamic changes in nutrient acquisition by plants and microbes, as well as peat depth and microtopography.

ECOSYSTEMS (2022)

Article Environmental Sciences

Phosphorus Supply Increases Nitrogen Transformation Rates and Retention in Soil: A Global Meta-Analysis

Ruzhen Wang et al.

Summary: The interactions between nitrogen and phosphorus play a crucial role in plant growth and carbon sequestration in ecosystems. Adding phosphorus to soil increases the total nitrogen pool and accelerates nitrogen cycling processes. Additionally, phosphorus supply enhances soil organic carbon content and promotes soil carbon sequestration.

EARTHS FUTURE (2022)

Article Biodiversity Conservation

Elevational shifts in foliar-soil δ15N in the Hengduan Mountains and different potential mechanisms

Qiong Chen et al.

Summary: This study investigated the determinants of foliar-soil delta N-15 and N transportation rates at different elevations in the Hengduan Mountains. The results showed that vegetation N limitation was stronger at medium high elevations due to higher microbial immobilization and shifts in vegetation preference. Surprisingly, soil delta N-15 was not strongly correlated with foliar delta N-15, indicating that litter input may not be the main driver of soil delta N-15. Instead, soil nitrification and denitrification played a more significant role in shaping the pattern of soil delta N-15 along the elevational gradient.

GLOBAL CHANGE BIOLOGY (2022)

Article Environmental Sciences

Extreme drought exacerbates plant nitrogen-phosphorus imbalance in nitrogen enriched grassland

Xiao-Sa Liang et al.

Summary: The nitrogen-phosphorus (N-P) imbalance induced by N enrichment is a growing concern in ecology. This study investigated the interactive effects of N addition and extreme drought on N:P ratios in a grassland ecosystem. The results showed that extreme drought could exacerbate the N-induced N-P imbalance and have significant impacts on species turnover and community-level N:P ratios. These findings highlight the complexity in predicting ecosystem N-P imbalance under the influence of multiple global change drivers.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

Article Environmental Sciences

Warming and spring precipitation addition change plant growth pattern but have minor effects on growing season mean gross ecosystem productivity in an alpine meadow

Hasbagan Ganjurjav et al.

Summary: In this study, we examined the effects of warming and spring precipitation addition on plant phenology, growth rate, and gross ecosystem productivity (GEP). Our results showed that warming delayed plant green up and withering, while spring precipitation addition advanced green up but did not change withering. Both warming and spring precipitation addition did not significantly affect GEP. However, GEP was positively correlated with plant growth rate and negatively correlated with the length of the fast-growing phase. These findings suggest that increasing water availability before the fast-growing phase can enhance ecosystem carbon uptake and grass supply for animal husbandry in spring.

SCIENCE OF THE TOTAL ENVIRONMENT (2022)

Article Biochemical Research Methods

Relationships between leaf δ15N and leaf metallic nutrients

Chongjuan Chen et al.

Summary: The study found that leaf delta N-15 values correlated positively with leaf K, Ca, and Mg, and negatively with Fe, while positively with Zn and not correlated with Mn. These relationships were independent of vegetation or soil types.

RAPID COMMUNICATIONS IN MASS SPECTROMETRY (2021)

Article Agronomy

Effects of arbuscular mycorrhizal fungi on maize nitrogen uptake strategy under different soil water conditions

Yingjie Wu et al.

Summary: This study investigated the impact of arbuscular mycorrhizal fungi (AMF) colonization on plant nitrogen (N) uptake strategies under different soil water conditions. The results showed that AMF colonization enhanced plant N uptake and weakened the preference for NH4+ in maize plants.

PLANT AND SOIL (2021)

Article Environmental Sciences

Coexistence of multiple leaf nutrient resorption strategies in a single ecosystem

Hao Chen et al.

Summary: Our study found that plants in nutrient-limited forests exhibit higher nitrogen resorption efficiency, while those in phosphorus-limited forests show higher phosphorus resorption proficiency, indicating a preferential resorption of the more limiting nutrient in response to nutrient limitation. Stoichiometric control was demonstrated by the positive relationship between NRE: PRE and leaf N:P ratios within each forest. Additionally, nutrient concentration controls were observed, with higher resorption proficiency in the nutrient-poor forest than in the nutrient-rich forest.

SCIENCE OF THE TOTAL ENVIRONMENT (2021)

Article Geosciences, Multidisciplinary

Global patterns of terrestrial nitrogen and phosphorus limitation

Enzai Du et al.

NATURE GEOSCIENCE (2020)

Review Soil Science

The nitrogen cycle: A review of isotope effects and isotope modeling approaches

Tobias R. A. Denk et al.

SOIL BIOLOGY & BIOCHEMISTRY (2017)

Article Soil Science

Phosphorus addition enhances loss of nitrogen in a phosphorus-poor soil

Mingzhu He et al.

SOIL BIOLOGY & BIOCHEMISTRY (2015)

Article Agronomy

Nutrient limitation of alpine plants: Implications from leaf N : P stoichiometry and leaf δ15N

Xingliang Xu et al.

JOURNAL OF PLANT NUTRITION AND SOIL SCIENCE (2014)

Review Plant Sciences

Nitrogen isotopes link mycorrhizal fungi and plants to nitrogen dynamics

Erik A. Hobbie et al.

NEW PHYTOLOGIST (2012)

Article Biochemistry & Molecular Biology

Mycorrhizal fungi supply nitrogen to host plants in Arctic tundra and boreal forests: N-15 is the key signal

John E. Hobbie et al.

CANADIAN JOURNAL OF MICROBIOLOGY (2009)

Article Plant Sciences

Nutrient concentration ratios and co-limitation in South African grasslands

Joseph M. Craine et al.

NEW PHYTOLOGIST (2008)

Article Multidisciplinary Sciences

A climate-driven switch in plant nitrogen acquisition within tropical forest communities

Benjamin Z. Houlton et al.

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2007)

Article Multidisciplinary Sciences

Nitrogen transfer in the arbuscular mycorrhizal symbiosis

M Govindarajulu et al.

NATURE (2005)

Article Multidisciplinary Sciences

Global patterns of plant leaf N and P in relation to temperature and latitude

PB Reich et al.

PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA (2004)

Review Ecology

δ15N as an integrator of the nitrogen cycle

D Robinson

TRENDS IN ECOLOGY & EVOLUTION (2001)

Review Plant Sciences

Physiological mechanisms influencing plant nitrogen isotope composition

RD Evans

TRENDS IN PLANT SCIENCE (2001)

Article Marine & Freshwater Biology

δ15N studies of nitrogen use by the red mangrove, Rhizophora mangle L. in South Florida

B Fry et al.

ESTUARINE COASTAL AND SHELF SCIENCE (2000)