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Habitat selection by marine larvae in changing chemical environments
Lecchini, D.; Dixson, D.L.; Lecellier, G.; Roux, N.; Frédérich, B.; Besson, M.; Tanaka, Y.; Banaigs, B.; Nakamura, Y. (2017). Habitat selection by marine larvae in changing chemical environments. Mar. Pollut. Bull. 114(1): 210-217. https://dx.doi.org/10.1016/j.marpolbul.2016.08.083
In: Marine Pollution Bulletin. Macmillan: London. ISSN 0025-326X; e-ISSN 1879-3363, meer
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| Trefwoord |
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| Author keywords |
Coral reef; Larval recruitment; Acidification; Pesticides; Red soilpollution |
| Auteurs | | Top |
- Lecchini, D.
- Dixson, D.L.
- Lecellier, G.
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- Roux, N.
- Frédérich, B., meer
- Besson, M.
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- Tanaka, Y.
- Banaigs, B.
- Nakamura, Y.
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| Abstract |
The replenishment and persistence of marine species is contingent on dispersing larvae locating suitable habitat and surviving to a reproductive stage. Pelagic larvae rely on environmental cues to make behavioural decisions with chemical information being important for habitat selection at settlement. We explored the sensory world of crustaceans and fishes focusing on the impact anthropogenic alterations (ocean acidification, red soil, pesticide) have on conspecific chemical signals used by larvae for habitat selection. Crustacean (Stenopus hispidus) and fish (Chromis viridis) larvae recognized their conspecifics via chemical signals under control conditions. In the presence of acidified water, red soil or pesticide, the ability of larvae to chemically recognize conspecific cues was altered. Our study highlights that recruitment potential on coral reefs may decrease due to anthropogenic stressors. If so, populations of fishes and crustaceans will continue their rapid decline; larval recruitment will not replace and sustain the adult populations on degraded reefs. |
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