Article ; Online: Salinity-dependent top-down effect of rotifer Brachionus plicatilis on removing harmful alga Phaeocystis globosa.
2024 Volume 199, Page(s) 116044
Abstract: Using appropriate zooplankton to transfer the primary productivity of harmful algae to higher trophic levels through food chain is an eco-friendly mode to remove harmful algae. To assess the top-down efficiency of rotifer removing Phaeocystis and the ... ...
| Abstract | Using appropriate zooplankton to transfer the primary productivity of harmful algae to higher trophic levels through food chain is an eco-friendly mode to remove harmful algae. To assess the top-down efficiency of rotifer removing Phaeocystis and the salinity effect, we adopted a series of salinities to carry out Phaeocystis-rotifer population dynamics and rotifer life-history experiments. Results showed that the time for rotifers to remove Phaeocystis population was the shortest when the salinity was ≤20 ‰. With salinity rising to above 25 ‰, although the clearance time of Phaeocystis population by rotifer was significantly prolonged, ultimately the Phaeocystis population were almost completely eliminated at all salinities. Additionally, rotifer matured and reproduced earlier at low salinity, while high salinity significantly delayed first reproductive time and decreased the total offspring. The above findings are helpful to assess the impacts of external environmental factors on the application of zooplankton to control harmful algae. |
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| MeSH term(s) | Animals ; Haptophyta ; Salinity ; Rotifera ; Population Dynamics ; Reproduction |
| Language | English |
| Publishing date | 2024-01-18 |
| Publishing country | England |
| Document type | Journal Article |
| ZDB-ID | 2001296-2 |
| ISSN | 1879-3363 ; 0025-326X |
| ISSN (online) | 1879-3363 |
| ISSN | 0025-326X |
| DOI | 10.1016/j.marpolbul.2024.116044 |
| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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