期刊
MARINE POLLUTION BULLETIN
卷 116, 期 1-2, 页码 258-269出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.marpolbul.2016.12.078
关键词
Resting stages; Germination; Surface sediments; Toxic species; Pollution; Eastem Mediterranean
资金
- doctoral fellowship in Fundamental Ecology from the University of Salento, Lecce, Italy
- CNR
- IOLR
- European Community's Seventh Framework Programme (FP7)
Resting stages of plankton were sampled in the surficial sediments in the port of Haifa, Israel, on the eve of a major port enlargement project. We recorded the structure of the assemblages and examined their relationship with different environments within the port. Our findings reveal a remarkably high diversity coupled with low density and the highest number of oligotrich ciliate cyst types recorded from marine sediments. Near the eutrophic and highly polluted zone of the Kishon estuary ciliates were more abundant than elsewhere in the port, whereas dinoflagellates' abundance was reduced, and these trends held true both for full and empty cysts. Some harmful or potentially toxic species, such as Scrippsiella acuminata, were widespread in the port. The toxigenic species include Alexandrium minutum, Gymnodinium uncatenatum and Lingulodinium polyedrum. Active cells of the unarmoured, bloom-forming Akashiwo sanguinea were identified in the cultures obtained from the incubated sediments. (C) 2017 Elsevier Ltd. All rights reserved.
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