Stoichiometry patterns of leaf carbon, nitrogen and phosphorous in aquatic macrophytes in eastern China

Xia, Chengxing; Yu, Dan; Wang, Zhong; Xie, Dong

doi:10.1016/j.ecoleng.2014.06.018

Cited by 81 publications

(66 citation statements)

References 70 publications

(97 reference statements)

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“…The mean concentration of tissue C in our study was much lower than 438 mg g −1 reported by Demars and Edwards (2007). This result was consistent with the previous study in eastern China and mid-lower Yangtze floodplain lakes (Xia et al 2014;Xing et al 2013). The low concentrations of C in macrophytes implied that metabolism and growth may be hampered by the local low C availability.…”

Section: Discussion C:n:p Stoichiometric Characteristics Of Submergedsupporting

confidence: 82%

Effects of taxonomy, sediment, and water column on C:N:P stoichiometry of submerged macrophytes in Yangtze floodplain shallow lakes, China

Xie

et al. 2016

Environ Sci Pollut Res

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Carbon (C), nitrogen (N) and phosphorus (P) are the three most important essential elements limiting growth of primary producers. Submerged macrophytes generally absorb nutrients from sediments by root uptake. However, the C:N:P stoichiometric signatures of plant tissue are affected by many additional factors such as taxonomy, nutrient availability, and light availability. We first revealed the relative importance of taxonomy, sediment, and water column on plant C:N:P stoichiometry using variance partitioning based on partial redundancy analyses. Results showed that taxonomy was the most important factor in determining C:N:P stoichiometry, then the water column and finally the sediment. In this study, a significant positive relationship was found between community C concentration and macrophyte community biomass, indicating that the local low C availability in macrophytes probably was the main reason why submerged macrophytes declined in Yangtze floodplain shallow lakes. Based on our study, it is suggested that submerged macrophytes in Yangtze floodplain shallow lakes are primarily limited by low light levels rather than nutrient availability.

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Section: Discussion C:n:p Stoichiometric Characteristics Of Submergedsupporting

confidence: 82%

Effects of taxonomy, sediment, and water column on C:N:P stoichiometry of submerged macrophytes in Yangtze floodplain shallow lakes, China

Xie

et al. 2016

Environ Sci Pollut Res

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“…The concentration of C and N decreased in the warmed tanks but there was no significant effect on P concentration. This supports the temperature plant physiological hypothesis, that as the temperature goes up, plants invest less nutrients to produce proteins to sustain biochemistry reactions (Oleksyn et al, 1998;Tjoelker et al, 1999;Reich and Oleksyn, 2004;Xia et al, 2014). The C:N ratio in the plants increased in the heated mesocosms, reflecting a lower N-based biomass per unit C in the plants.…”

Section: P Crispus Stoichiometrysupporting

confidence: 70%

Effects of warming on Potamogeton crispus growth and tissue stoichiometry in the growing season

et al. 2016

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a b s t r a c tIncreased water temperature due to climate change may affect macrophyte phenology and nutrient content. In experimentally heated mesocosms the emergence and growth of Potamogeton crispus shoots under ambient and increased temperatures (+4.5 • C) were tracked over 55 days. At the end of the experiment we measured the C, N and P content of the P. crispus leaves. The results indicate that warming advanced the emergence of P. crispus shoots by approximately 10 days, whereas the final number of shoots and plant biomass were similar in ambient and heated tanks. Furthermore, warming influenced the ecological stoichiometry of this plant significantly. Leaf C and N content were both less in the heated tanks resulting in an increase in C:N ratios, whereas P content and C:P and N:P ratios were not affected.

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“…It provides a way to investigate the ecological interactions of organisms with the surrounding environment 2, 4 . Among plant nutrients, nitrogen (N) and phosphorus (P) are important for the formation of various fundamental compounds 3, 5, 6 . The quantity and ratio of these 2 elements in plants serve as effective indicators of the nutrient limitation and utilisation efficiency of plants 7–9 .…”

Section: Introductionmentioning

confidence: 99%

Foliar nitrogen and phosphorus stoichiometry of three wetland plants distributed along an elevation gradient in Dongting Lake, China

Feng

Han

Zhu

et al. 2017

Sci Rep

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We examined foliar nitrogen (N) and phosphorus (P) stoichiometry of 3 wetland plants (Phalaris arundinacea, Miscanthus sacchariflorus, and Carex brevicuspis) distributed along an elevation gradient in the Dongting Lake, China, and how this stoichiometry is related to soil physico-chemical characteristics, elevation, and flooding days. Plant and soil samples were collected from 3 lakeshore sites. Total N and P concentrations of plants and six physico-chemical characteristics of the soil were measured, in addition to the elevation and flooding days. P. arundinacea and M. sacchariflorus had higher total N and P concentrations than C. brevicuspis. The foliar N:P ratio decreased with increasing elevation, and only increased with increasing foliar total N concentration. Canonical correspondence analysis indicated that the foliar stoichiometry was primarily regulated by soil water content, followed by soil nutrient concentration. The foliar N and P stoichiometry of the 3 wetland plants was insignificantly correlated with soil total P concentration. However, foliar stoichiometric characteristics and soil total N concentration significantly differed among the 3 species. These results demonstrate that spatial variation of foliar stoichiometry in wetland plants exists along an elevation gradient, with this information being useful for the conservation and management of wetland plants in this lake.

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Stoichiometry patterns of leaf carbon, nitrogen and phosphorous in aquatic macrophytes in eastern China

Cited by 81 publications

References 70 publications

Effects of taxonomy, sediment, and water column on C:N:P stoichiometry of submerged macrophytes in Yangtze floodplain shallow lakes, China

Effects of taxonomy, sediment, and water column on C:N:P stoichiometry of submerged macrophytes in Yangtze floodplain shallow lakes, China

Effects of warming on Potamogeton crispus growth and tissue stoichiometry in the growing season

Foliar nitrogen and phosphorus stoichiometry of three wetland plants distributed along an elevation gradient in Dongting Lake, China

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