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language
eng
Author
Kojima, Natsuhiko
Takayasu, Katsumi
Rossigneux Jean-Claude
Description
Dinoflagellate cysts occur extensively in the surface sediments of Lake Nakaumi, brackish-water lake in western Japan. The cyst assemblage is composed mainly of Brigantedinium spp., Algidasphaeridium? sp. aff. minutum, and other heterotrophic species. The assemblage is formed in a high productivity area, maintained by waters rich in dissolved nutrients from rivers. The change of the species composition in the lake is hardly observed. The species composition rate, however, indicates some differences in waters in the lake. The disparity is probably caused by an inflow of fresh water from some rivers around the lake, and may be directly influenced by salinity fluctuations.
Key words: brackish-water lake, dinoflagellate cyst, heterotrophic species, Lake Nakaumi, salinity
Subject
brackish-water lake
dinoflagellate cyst
heterotrophic species
Lake Nakaumi
salinity
Journal Title
Laguna : 汽水域研究
Volume
1
Start Page
45
End Page
51
ISSN
21852995
Published Date
1994-03
NCID
AN10439529
Publisher
島根大学汽水域研究センター
NII Type
Departmental Bulletin Paper
Format
PDF
Text Version
出版社版
Gyoseki ID
e18451
OAI-PMH Set
Estuary Research Center
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