Biogeosciences
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Articles | Volume 16, issue 20
Articles | Volume 16, issue 20
https://doi.org/10.5194/bg-16-3959-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/bg-16-3959-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 16, issue 20
Research article
 | 
15 Oct 2019
Research article |  | 15 Oct 2019

Hypoxia in mangroves: occurrence and impact on valuable tropical fish habitat

Alexia Dubuc, Ronald Baker, Cyril Marchand, Nathan J. Waltham, and Marcus Sheaves

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Short summary
Little is known about how hypoxia influences mangrove fish assemblages. In situ video observations reveal species-specific avoidance strategies in response to developing hypoxia in a mangrove forest. Taxa commonly using mangroves could withstand hypoxia, while others usually associated with reef habitats were not recorded below 70 % saturation. These results suggest that hypoxia is an important factor shaping mangrove fish assemblages and could explain the low species richness usually observed.
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Ocean deoxygenation: drivers and consequences – past, present...
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