Spatial changes in carbon and nitrogen stable isotopes of the plankton food web in a saline lake ecosystem

Hideyuki Doi; Elena I. Zuykova; Eisuke Kikuchi; Shuichi Shikano; Keiichi Kanou; Natalia Yurlova; Elena Yadrenkina

doi:10.1007/s10750-006-0205-1

Spatial changes in carbon and nitrogen stable isotopes of the plankton food web in a saline lake ecosystem

Hideyuki Doi, Elena I. Zuykova, Eisuke Kikuchi, Shuichi Shikano, Keiichi Kanou, Natalia Yurlova, Elena Yadrenkina

Department of Basic Studies

Research output: Contribution to journal › Article › peer-review

22 Citations (Scopus)

Abstract

We investigated spatial changes in the isotope ratios of the plankton food web in Lake Chany, Siberia, Russia, especially at an estuarine transition zone of the lake. The δ¹³C values of particulate organic matter (POM) varied among the sampling sites, and increased with increasing pH of the lake water. This may reflect a shift by phytoplankton from using CO₂ to using bicarbonate for photosynthesis with increasing pH. The δ¹³C values of zooplankton community also changed at each site along with those of the POM. This was indicative of carbon isotope changes of plankton food webs between the stations along an environmental gradient.

Original language	English
Pages (from-to)	395-400
Number of pages	6
Journal	Hydrobiologia
Volume	571
Issue number	1
DOIs	https://doi.org/10.1007/s10750-006-0205-1
Publication status	Published - 2006 Nov

Keywords

Daphnia
Estuarine zone
Lake Chany
POM
Phytoplankton
Spatial scales

ASJC Scopus subject areas

Aquatic Science

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10.1007/s10750-006-0205-1

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title = "Spatial changes in carbon and nitrogen stable isotopes of the plankton food web in a saline lake ecosystem",

abstract = "We investigated spatial changes in the isotope ratios of the plankton food web in Lake Chany, Siberia, Russia, especially at an estuarine transition zone of the lake. The δ13C values of particulate organic matter (POM) varied among the sampling sites, and increased with increasing pH of the lake water. This may reflect a shift by phytoplankton from using CO2 to using bicarbonate for photosynthesis with increasing pH. The δ13C values of zooplankton community also changed at each site along with those of the POM. This was indicative of carbon isotope changes of plankton food webs between the stations along an environmental gradient.",

keywords = "Daphnia, Estuarine zone, Lake Chany, POM, Phytoplankton, Spatial scales",

author = "Hideyuki Doi and Zuykova, {Elena I.} and Eisuke Kikuchi and Shuichi Shikano and Keiichi Kanou and Natalia Yurlova and Elena Yadrenkina",

note = "Funding Information: We thank Dr K. Itoh, Department of Agriculture, Tohoku University, for her permission to use the stable isotope analytical facilities in her laboratory. We thank Prof Dr M. Moshkin, and Dr A. Yurlov, Institute of Animal Systematics and Ecology, SBRAS (Siberian Branch of Russian Academy Sciences), for their inviting us to this study and helping our sampling. This study was supported partly by Grant-in-Aid for Scientific Research (B) from Japan Society for the Promotion of Science (No. 13575004, 16405005).",

year = "2006",

month = nov,

doi = "10.1007/s10750-006-0205-1",

language = "English",

volume = "571",

pages = "395--400",

journal = "Journal of Aquatic Ecosystem Health",

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T1 - Spatial changes in carbon and nitrogen stable isotopes of the plankton food web in a saline lake ecosystem

AU - Doi, Hideyuki

AU - Zuykova, Elena I.

AU - Kikuchi, Eisuke

AU - Shikano, Shuichi

AU - Kanou, Keiichi

AU - Yurlova, Natalia

AU - Yadrenkina, Elena

N1 - Funding Information: We thank Dr K. Itoh, Department of Agriculture, Tohoku University, for her permission to use the stable isotope analytical facilities in her laboratory. We thank Prof Dr M. Moshkin, and Dr A. Yurlov, Institute of Animal Systematics and Ecology, SBRAS (Siberian Branch of Russian Academy Sciences), for their inviting us to this study and helping our sampling. This study was supported partly by Grant-in-Aid for Scientific Research (B) from Japan Society for the Promotion of Science (No. 13575004, 16405005).

PY - 2006/11

Y1 - 2006/11

N2 - We investigated spatial changes in the isotope ratios of the plankton food web in Lake Chany, Siberia, Russia, especially at an estuarine transition zone of the lake. The δ13C values of particulate organic matter (POM) varied among the sampling sites, and increased with increasing pH of the lake water. This may reflect a shift by phytoplankton from using CO2 to using bicarbonate for photosynthesis with increasing pH. The δ13C values of zooplankton community also changed at each site along with those of the POM. This was indicative of carbon isotope changes of plankton food webs between the stations along an environmental gradient.

AB - We investigated spatial changes in the isotope ratios of the plankton food web in Lake Chany, Siberia, Russia, especially at an estuarine transition zone of the lake. The δ13C values of particulate organic matter (POM) varied among the sampling sites, and increased with increasing pH of the lake water. This may reflect a shift by phytoplankton from using CO2 to using bicarbonate for photosynthesis with increasing pH. The δ13C values of zooplankton community also changed at each site along with those of the POM. This was indicative of carbon isotope changes of plankton food webs between the stations along an environmental gradient.

KW - Daphnia

KW - Estuarine zone

KW - Lake Chany

KW - POM

KW - Phytoplankton

KW - Spatial scales

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JO - Journal of Aquatic Ecosystem Health

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Spatial changes in carbon and nitrogen stable isotopes of the plankton food web in a saline lake ecosystem

Abstract

Keywords

ASJC Scopus subject areas

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