Morphological and ecological trait diversity reveal sensitivity of herbivorous fish assemblages to coral reef benthic conditions

2020 ◽  
Vol 162 ◽  
pp. 105102
Author(s):  
Lucía Pombo-Ayora ◽  
Darren J. Coker ◽  
Susana Carvalho ◽  
George Short ◽  
Michael L. Berumen
Omni-Akuatika ◽  
2020 ◽  
Vol 16 (2) ◽  
pp. 116
Author(s):  
Risandi Dwirama Putra ◽  
Rikoh Manogar Siringoringo ◽  
Muhammad Abrar ◽  
Muhammad Abrar ◽  
Ni Wayan Purnamasari ◽  
...  

The herbivorous fishes have been considered as a critical functional group and have capability maintaining coral reef resilience and avoiding coral-algal phase-shifts. The present condition shown, almost in tropical reef location, alga has dominated coral, even in the small outer island. The requirement to conduct comprehensive basic research in studying the patterns and composition of herbivorous fish, especially on the small outer islands. Twelve coral reef sites in eastern Indonesia (Liki Islands) and western Indonesia (Natuna Island) used as a research location for comparing the structure patterns of herbivorous fish communities (diversity, density, and body size) using the Underwater Visual Census (UVC) method. There was different pattern of herbivorous fishes families in Liki Island and Natuna Islands, where Acanthuridae is dominant in eastern Indonesia (Liki Islands), including Ctenochaetus striatus (41,00 ± 11,72 se) individuals/350m2, A. maculiceps (23,33 ± 13,61 se) individuals/350m2, Naso hexacanthus (18,67 ± 6,34 se) individuals/350m2 while Scaridae is dominant in western Indonesia (Natuna island), including Scarus rivulatus (31,67 ± 10,61 se) individuals/350m2, Chlorurus sordidus (30,00 ± 8,52 se) individuals/350m2 and Scarus quoyi (19,00 ± 9,73 se) individuals/350m2. Based on herbivore fishes composition Liki Island has a higher density and biomass compared to Natuna Island.Keywords: herbivore, fish, coral, small outer island, Indonesia


Ecology ◽  
2005 ◽  
Vol 86 (10) ◽  
pp. 2578-2585 ◽  
Author(s):  
S. Planes ◽  
R. Galzin ◽  
J-P. Bablet ◽  
P. F. Sale

PLoS ONE ◽  
2012 ◽  
Vol 7 (7) ◽  
pp. e40997 ◽  
Author(s):  
Simon Van Wynsberge ◽  
Serge Andréfouët ◽  
Mélanie A. Hamel ◽  
Michel Kulbicki

2021 ◽  
Author(s):  
Cher F Y Chow ◽  
Caitlin Bolton ◽  
Nader Boutros ◽  
Viviana Brambilla ◽  
Luisa Fontoura ◽  
...  

The process of coral recruitment is crucial to the healthy functioning of coral reef ecosystems, as well as recovery following disturbances. Fishes are key modulators of this process by feeding on algae and other benthic taxa that compete with corals for benthic space. However, foraging strategies within reef fish assemblages are highly diverse and the effect of foraging diversity on coral recruitment success remains poorly understood. Here, we test how the foraging traits of reef fishes affect coral settlement and juvenile success at Lizard Island, Great Barrier Reef. Using a multi-model inference approach incorporating six metrics of fish assemblage foraging diversity (foraging rates, trait richness, trait evenness, trait divergence, herbivore abundance, and benthic invertivore abundance), we found that herbivore abundance had positive effects on both coral settlement and recruitment success. However, foraging trait diversity had a negative effect on coral settlement but not on recruitment. Coral settlement was higher at sites with less trait diverse fish assemblages, specifically in trait divergence and richness. Moreover, these two trait diversity metrics were stronger predictors of coral settlement success compared to herbivore abundance. Our findings provide evidence that impacts mediated by fish foraging on coral juveniles can potentially be harmful during settlement, but the space-clearing effect overall remains advantageous. We show here that the variation of fish biodiversity across reefs can be a partial driver to spatially uneven patterns of coral recruitment and reef recovery.


Ecosphere ◽  
2016 ◽  
Vol 7 (11) ◽  
Author(s):  
Simon J. Brandl ◽  
Michael J. Emslie ◽  
Daniela M. Ceccarelli ◽  
Zoe T. Richards

2019 ◽  
Vol 25 (8) ◽  
pp. 2739-2750 ◽  
Author(s):  
James P. W. Robinson ◽  
Shaun K. Wilson ◽  
Simon Jennings ◽  
Nicholas A. J. Graham

2019 ◽  
Vol 15 (11) ◽  
pp. 20190703 ◽  
Author(s):  
Anne-Sophie Tribot ◽  
Julie Deter ◽  
Thomas Claverie ◽  
François Guillhaumon ◽  
Sébastien Villéger ◽  
...  

Cultural and recreational values of biodiversity are considered as important dimensions of nature's contribution to people. Among these values, the aesthetics can be of major importance as the appreciation of beauty is one of the simplest forms of human emotional response. Using an online survey, we disentangled the effects of different facets of biodiversity on aesthetic preferences of coral reef fish assemblages that are among the most emblematic assemblages on Earth. While we found a positive saturating effect of species' richness on human preference, we found a net negative effect of species abundance, no effect of species functional diversity and contrasting effects of species composition depending on species' attractiveness. Our results suggest that the biodiversity–human interest relationship is more complex than has been previously stated. By integrating several scales of organization, our study is a step forward in better evaluating the aesthetic value of biodiversity.


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