Linking fish species traits to environmental conditions in the Jakarta Bay-Pulau Seribu coral reef system

Coral reefs around the globe have been subjected to a wide range of stressors. In the present study, fish species were recorded across a pronounced in-to-offshore gradient in the Jakarta Bay-Pulau Seribu reef system. In addition to this, fish species traits were obtained from FishBase. RLQ analysis...

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Bibliographic Details
Published in:Marine pollution bulletin 2017-09, Vol.122 (1-2), p.259-262
Main Author: Cleary, Daniel F.R.
Format: Article
Language:English
Subjects:
Animals
Anthozoa
Bays
Biodiversity
Coral Reefs
Environmental Pollution
Fishes
Indonesia
Java
Ordination
Population Dynamics
RLQ
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Summary:Coral reefs around the globe have been subjected to a wide range of stressors. In the present study, fish species were recorded across a pronounced in-to-offshore gradient in the Jakarta Bay-Pulau Seribu reef system. In addition to this, fish species traits were obtained from FishBase. RLQ analysis revealed a significant association between fish species traits and environmental variables. Fish species associated with perturbed, inshore waters were resilient to disturbance, had higher mortality rates, higher growth rates and mainly consumed animals. In contrast, fish species associated with less perturbed, mid- and offshore waters had greater life expectancy, higher age at maturity, greater life span, greater generation time and mainly fed on plants or plants and animals. Eutrophication, pollution and physical destruction of coral substrate in inshore waters has thus selected for a low biomass and depauperate fish community characterised by fast growing and short lived species. •Fish traits and environmental variables were assessed across a disturbance gradient.•There was a significant association between traits and environmental variables.•Inshore species were fast growing and short-lived.•Offshore species had a greater life expectancy and higher age at maturity.•Offshore species also had a greater life span and greater generation time.
ISSN:0025-326X
1879-3363
DOI:10.1016/j.marpolbul.2017.06.054