Response of <i>Pseudochromis fuscus</i> to prey skin extracts.

<p>Proportion of time (mean ± SE) spent in the channel receiving the prey skin extracts for <i>P. fuscus</i> exposed to control (n = 10), mid CO₂ (n = 10) and high CO₂ (n = 14) water treatments. Letters above bars indicate post-hoc Tukey's HSD groupings of means at p<0.05.</p

Relationships between fish species richness and habitat variables in the lagoon of Lizard Island, GBR.

<p>All relationships were statistically significant (p<0.05).</p

Fish community structure.

<p>Constrained distance-based redundancy analysis plot of fish community fitted to significant predictor variables (hard coral cover, habitat complexity, coral species richness, branching coral cover) identified using forward DistLM selection procedure and AIC selection criteria (<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0083178#pone-0083178-t004" target="_blank">Table 4</a>). The relative influence of fitted predictor variables is indicated by the length of vector overlays. Each black point represent a single sample. <b>a</b>. Fitted predictor variables. Significant variable are identified with an asterisk (*) <b>b</b>. Fish species vectors.</p

Relationships between habitat variables in the lagoon of Lizard Island, GBR.

<p>All relationships were statistically significant (p<0.05).</p

Summary table of methods used in this study.

<p>Sample measurement time refers to measurements made during this study, with the upper end of the time range allowing for machine warm-up.</p

Relationships between log fish abundance and habitat variables in the lagoon of Lizard Island, GBR.

<p>Lines were only fitted to the statistically significant relationships (p<0.05).</p

Movement behaviour of <i>Pseudochromis fuscus</i>.

<p>A. Mean (± SE) activity levels (denoted by line crosses) and B. mean cumulative distance moved from shelter for <i>P. fuscus</i> following exposure to control (n = 10), mid CO₂ (n = 8) and high CO₂ (n = 7) water treatments. Significance from planned comparisons (control vs. high) at p<0.05 = *.</p

Regression tree analysis of the fish species richness at Lizard Island, QLD, Australia.

<p>The explanatory variables were: site, topographic complexity, habitat diversity, coral species richness, coral diversity, percent hard coral cover, branching coral cover and corymbose coral cover. For each of the four terminal nodes the distribution of the observed values of fish species richness is shown in a histogram. Each node is labeled with the mean rating and the number of observations in a group (in parentheses). The tree explained 70.5% of the total variability in the data. The first and second splits based on coral species richness explained 56.4% and 7.2% respectively, the third split based on percent hard coral cover explained additional 6.9%.</p

Regression tree analysis of the log fish abundance at Lizard Island, QLD, Australia.

<p>The explanatory variables were: site, topographic complexity, habitat diversity, coral species richness, coral diversity, percent hard coral cover, branching coral cover and plate coral cover. For each of the four terminal nodes the distribution of the observed values of log fish abundance is shown in a histogram. Each node is labeled with the mean rating and the number of observations in a group (in parentheses). The tree explained 34.1% of the total variability in the data. The first split based on percent hard coral cover explained 17.4%, second split based on coral species richness explained 8.1% and the third split based on site explained additional 8.6%.</p