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Morphology of Aulacoseira filaments as indicator of the aquatic environment in a large subtropical river: The Pearl River, China

文献类型： 外文期刊

作者： Wang, Chao 1 ; Lek, Sovan 3 ; Lai, Zini 1 ; Tudesque, Loic 3 ;

作者机构： 1.Chinese Acad Fishery Sci, Pearl River Fisheries Res Inst, Guangzhou 510380, Guangdong, Peoples R China

2.Minist Agr, Sci Observing & Expt Stn Fishery Resources & Envi, Zhaoqing 526100, Guangdong, Peoples R China

3.Univ Toulouse 3 Paul Sabatier, CNRS, ENFA, UMR EDB 5174,Lab Evolut & Diversite Biol, 118 Route Narbonne, F-31062 Toulouse, France

关键词： Aulacoseira granulata;River;Morphological parameter;Filament;Bioindicator

期刊名称：ECOLOGICAL INDICATORS （ 影响因子：4.958； 五年影响因子：5.846 ）

ISSN：

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收录情况： SCI

摘要： To identify new indicators of aquatic environmental parameters, both qualitative (the percentages of curved filaments and filaments with ending separation spines) and quantitative morphological parameters (filament and cell size) of a dominant chain colony-forming planktonic diatom (Aulacoseira granulata) were determined in the large, subtropical Pearl River, China. The qualitative parameters mainly exhibited a spatial pattern. The percentage of curved filaments was a good bioindicator of spatial patterns because it varied along the nutrient gradient. Furthermore, the percentage of filaments with ending separation spines was a good bioindicator of seasonal variation. Although the quantitative parameters exhibited a clear temporal pattern, no single parameter could be used as a bioindicator of either spatial or temporal patterns. The link between qualitative and quantitative parameters reflected the internal adaptation mechanism of filamentous diatoms to the external environment. The methods of the present study can also be applied to ecological indicators in other aquatic ecosystems dominated by chain colony-forming diatoms.

  • 相关文献

[1]Exploring temporal trend of morphological variability of a dominant diatom in response to environmental factors in a large subtropical river. Wang, Chao,Lai, Zini,Gao, Yuan,Li, Xinhui,Wang, Chao,Baehr, Christophe,Lek, Sovan,Wang, Chao,Lai, Zini,Gao, Yuan,Li, Xinhui,Baehr, Christophe.

[2]Using ciliates to monitor different aquatic environments in Daya Bay, South China Sea. Wu, Fengxia,Dai, Ming,Liu, Huaxue,Huang, Honghui,Wu, Fengxia,Dai, Ming,Liu, Huaxue,Huang, Honghui,Wu, Fengxia,Dai, Ming,Liu, Huaxue,Huang, Honghui,Huang, Jianrong.

[3]Seasonal variations of Aulacoseira granulata population abundance in the Pearl River Estuary. Wang, Chao,Li, Xinhui,Lai, Zini,Tan, Xichang,Pang, Shixun,Yang, Wanling.

[4]Global trends in phytoplankton research of river ecosystems during 1991-2016: A bibliometric analysis. Wang, Chao,Yang, Wanling,Liu, Yang,Wu, Naicheng,Zhan, Qin,Yang, Wanling,Liu, Yang. 2017

[5]Ontogenetic behavior and migration of Chinese sturgeon, Acipenser sinensis. Zhuang, P,Kynard, B,Zhang, LZ,Zhang, T,Cao, WX.

[6]Patterning and predicting phytoplankton assemblages in a large subtropical river. Wang, Chao,Li, Xinhui,Lai, Zini,Li, Yuefei,Wang, Chao,Lek, Sovan,Dauta, Alain,Wang, Chao,Li, Xinhui,Lai, Zini,Li, Yuefei.

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