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| Content Provider | Springer Nature Link |
|---|---|
| Author | Stoll, Stefan Probst, Wolfgang Nikolaus Eckmann, Reiner Fischer, Philipp |
| Copyright Year | 2010 |
| Abstract | In a mesocosm experiment, the attachment of bream (Abramis brama) eggs to spawning substrata with and without periphytic biofilm coverage and their subsequent survival with and without low-intensity wave exposure were investigated. Egg attachment was reduced by 73% on spawning substrata with a natural periphytic biofilm, compared to clean substrata. Overall, this initial difference in egg numbers persisted until hatching. The difference in egg numbers was even increased in the wave treatment, while it was reduced in the no-wave control treatment. Exposure to a low-intensity wave regime affected egg development between the two biofilm treatments differently. Waves enhanced egg survival on substrata without a biofilm but reduced the survival of eggs on substrata with biofilm coverage. In the treatment combining biofilm-covered substrata and waves, no attached eggs survived until hatching. In all treatments, more than 75% of the eggs became detached from the spawning substrata during the egg incubation period, and <1% of these detached eggs survived within the substratum interstices. Hence, detached eggs contributed little to the reproductive success we observed. The implications of these results on the spawning success of fish species that use freshly inundated spawning substrata in shallow waters are discussed. |
| Starting Page | 509 |
| Ending Page | 517 |
| Page Count | 9 |
| File Format | |
| ISSN | 10151621 |
| Journal | Aquatic Sciences |
| Volume Number | 72 |
| Issue Number | 4 |
| e-ISSN | 14209055 |
| Language | English |
| Publisher | SP Birkhäuser Verlag Basel |
| Publisher Date | 2010-06-19 |
| Publisher Place | Basel |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Common bream Abramis brama Spring water level increase Periphytic biofilm Surface waves Egg attachment Egg survival Life Sciences Ecology Oceanography Marine & Freshwater Sciences Freshwater & Marine Ecology |
| Content Type | Text |
| Resource Type | Article |
| Subject | Ecology Aquatic Science Water Science and Technology Ecology, Evolution, Behavior and Systematics |
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