Is Moss Stoichiometry Influenced by Microtopography in a Boreal Peatland of Northeast China?

ZHANG Xinhou; MAO Rong; SONG Changchun; LIU Yan; REN Zhaojie

doi:10.1007/s11769-018-1000-4

Is Moss Stoichiometry Influenced by Microtopography in a Boreal Peatland of Northeast China?

doi: 10.1007/s11769-018-1000-4

1.
Key Laboratory of Wetland Ecology and Environment, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China;
2.
Jiangxi Provincial Key Laboratory of Silviculture, College of Forestry, Jiangxi Agricultural University, Nanchang 330045, China;
3.
College of Life Sciences, Chongqing Normal University, Chongqing 401331, China;
4.
Nature Department of Shandong Museum, Jinan 250014, China

基金项目: Under the auspices of National Natural Science Foundation of China (No. 31570479, 41671091, 41730643, 41471056)

详细信息

通讯作者:
MAO Rong.E-mail:maorong23@163.com

Is Moss Stoichiometry Influenced by Microtopography in a Boreal Peatland of Northeast China?

1.
Key Laboratory of Wetland Ecology and Environment, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, Changchun 130102, China;
2.
Jiangxi Provincial Key Laboratory of Silviculture, College of Forestry, Jiangxi Agricultural University, Nanchang 330045, China;
3.
College of Life Sciences, Chongqing Normal University, Chongqing 401331, China;
4.
Nature Department of Shandong Museum, Jinan 250014, China

Funds: Under the auspices of National Natural Science Foundation of China (No. 31570479, 41671091, 41730643, 41471056)

More Information

Corresponding author: MAO Rong.E-mail:maorong23@163.com

摘要: To examine the effects of microtopography on the stoichiometry of carbon (C), nitrogen (N) and phosphorus (P) in mosses along the hummock-hollow gradient in boreal peatlands, we investigated species-level C:N, C:P and N:P ratios of five mosses (Sphagnum magellanicum, S. perichaetiale, S. palustre, S. girgensohnii and Aulacomnium palustre) in the hummocks, hollows and their intermediate zones, and then assessed community-level spatial patterns in a boreal ombrotrophic peatland of north of the Great Xing'an Mountain, Northeast China. The results show that at the species level, C:N, C:P and N:P ratios of the selected Sphagnum mosses remained stable in the hummock-hollow complexes due to unchanged C, N and P concentrations, whereas the non-Sphagnum moss (A. palustre) in the hummocks and intermediate zones had lower P concentrations and thus greater C:P ratios than that in the hollows. At the community level, moss N concentration and C:N ratio remained constant along the hummock-hollow gradient, whereas hummocks and intermediate zones had higher community-level moss C:P and N:P ratios than hollows because of greater C and lower P concentrations. These findings imply that the effects of microtopography on moss C:N:P stoichiometry are scale-dependent and reveal spatial heterogeneity in C and nutrient dynamics. These results provide a more comprehensive understanding of biogeochemical cycles in boreal peatlands.
- hummock-hollow complex /
- microtopography /
- scale-dependent /
- Sphagnum /
- stoichiometric homeostasis
Abstract: To examine the effects of microtopography on the stoichiometry of carbon (C), nitrogen (N) and phosphorus (P) in mosses along the hummock-hollow gradient in boreal peatlands, we investigated species-level C:N, C:P and N:P ratios of five mosses (Sphagnum magellanicum, S. perichaetiale, S. palustre, S. girgensohnii and Aulacomnium palustre) in the hummocks, hollows and their intermediate zones, and then assessed community-level spatial patterns in a boreal ombrotrophic peatland of north of the Great Xing'an Mountain, Northeast China. The results show that at the species level, C:N, C:P and N:P ratios of the selected Sphagnum mosses remained stable in the hummock-hollow complexes due to unchanged C, N and P concentrations, whereas the non-Sphagnum moss (A. palustre) in the hummocks and intermediate zones had lower P concentrations and thus greater C:P ratios than that in the hollows. At the community level, moss N concentration and C:N ratio remained constant along the hummock-hollow gradient, whereas hummocks and intermediate zones had higher community-level moss C:P and N:P ratios than hollows because of greater C and lower P concentrations. These findings imply that the effects of microtopography on moss C:N:P stoichiometry are scale-dependent and reveal spatial heterogeneity in C and nutrient dynamics. These results provide a more comprehensive understanding of biogeochemical cycles in boreal peatlands.
- hummock-hollow complex /
- microtopography /
- scale-dependent /
- Sphagnum /
- stoichiometric homeostasis

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Is Moss Stoichiometry Influenced by Microtopography in a Boreal Peatland of Northeast China?

doi: 10.1007/s11769-018-1000-4

通讯作者:
MAO Rong.E-mail:maorong23@163.com

Is Moss Stoichiometry Influenced by Microtopography in a Boreal Peatland of Northeast China?

Corresponding author: MAO Rong.E-mail:maorong23@163.com

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Is Moss Stoichiometry Influenced by Microtopography in a Boreal Peatland of Northeast China?

doi: 10.1007/s11769-018-1000-4

通讯作者: MAO Rong.E-mail:maorong23@163.com

English Abstract

Is Moss Stoichiometry Influenced by Microtopography in a Boreal Peatland of Northeast China?

Corresponding author: MAO Rong.E-mail:maorong23@163.com

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留言板

Is Moss Stoichiometry Influenced by Microtopography in a Boreal Peatland of Northeast China?

doi: 10.1007/s11769-018-1000-4

通讯作者: MAO Rong.E-mail:maorong23@163.com

Is Moss Stoichiometry Influenced by Microtopography in a Boreal Peatland of Northeast China?

Corresponding author: MAO Rong.E-mail:maorong23@163.com

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Is Moss Stoichiometry Influenced by Microtopography in a Boreal Peatland of Northeast China?

doi: 10.1007/s11769-018-1000-4

通讯作者: MAO Rong.E-mail:maorong23@163.com

English Abstract

Is Moss Stoichiometry Influenced by Microtopography in a Boreal Peatland of Northeast China?

Corresponding author: MAO Rong.E-mail:maorong23@163.com

全文HTML

目录

通讯作者:
MAO Rong.E-mail:maorong23@163.com