APPLICATION OF A SELF-ORGANIZING MAP AND CANONICAL CORRESPONDENCE ANALYSIS IN MODERN BENTHIC FORAMINIFERAL COMMUNITIES: A CASE STUDY FROM THE PEARL RIVER ESTUARY, CHINA
Li, Tao1; Xiang, Rong1; Li, Tuanjie1; lukelitao80@163.com
2015
发表期刊JOURNAL OF FORAMINIFERAL RESEARCH
卷号45期号:3页码:305-318
摘要Benthic foraminiferal assemblages were studied in 327 surface sediments collected at water depths ranging from 2 to 100 m in the Pearl River Estuary and its adjacent continental shelf. A self-organizing map (SOM) was created to display the benthic assemblages based on species abundance, with six faunal assemblages identified. The distribution pattern of the assemblages on the SOM matched that of the sampling sites. The relationship between the benthic fauna and natural environmental parameters was investigated using a canonical correspondence analysis (CCA). The CCA Axis 1 (37% of the faunal variance) was primarily related to depth (r = 0.88), while CCA Axis 2 (11% of the faunal variance) was related to sediment texture (r = 0.72). We hypothesize that the salinity gradient derived from depth, along with substrate, are the most important factors controlling the distributions of the foraminiferal assemblages. This study verifies that the SOM is efficient in classifying the foraminiferal community and that benthic foraminifera are valuable bioindicators reflecting ecological changes over long time scales.
部门归属LMB
学科领域Paleontology
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/14806
专题中科院海洋生物资源可持续利用重点实验室
通讯作者lukelitao80@163.com
作者单位1.[Li, Tao] Guangzhou Marine Geol Survey, Guangzhou 510760, Guangdong, Peoples R China
2.[Li, Tao
3.Li, Tuanjie] State Ocean Adm, South China Sea Marine Engn Surveying Ctr, Guangzhou 510300, Guangdong, Peoples R China
4.[Xiang, Rong] Chinese Acad Sci, South China Sea Inst Oceanol, Guangzhou 510301, Guangdong, Peoples R China
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Li, Tao,Xiang, Rong,Li, Tuanjie,et al. APPLICATION OF A SELF-ORGANIZING MAP AND CANONICAL CORRESPONDENCE ANALYSIS IN MODERN BENTHIC FORAMINIFERAL COMMUNITIES: A CASE STUDY FROM THE PEARL RIVER ESTUARY, CHINA[J]. JOURNAL OF FORAMINIFERAL RESEARCH,2015,45(3):305-318.
APA Li, Tao,Xiang, Rong,Li, Tuanjie,&lukelitao80@163.com.(2015).APPLICATION OF A SELF-ORGANIZING MAP AND CANONICAL CORRESPONDENCE ANALYSIS IN MODERN BENTHIC FORAMINIFERAL COMMUNITIES: A CASE STUDY FROM THE PEARL RIVER ESTUARY, CHINA.JOURNAL OF FORAMINIFERAL RESEARCH,45(3),305-318.
MLA Li, Tao,et al."APPLICATION OF A SELF-ORGANIZING MAP AND CANONICAL CORRESPONDENCE ANALYSIS IN MODERN BENTHIC FORAMINIFERAL COMMUNITIES: A CASE STUDY FROM THE PEARL RIVER ESTUARY, CHINA".JOURNAL OF FORAMINIFERAL RESEARCH 45.3(2015):305-318.
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