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Long-term empirical evidence of ocean warming leading to tropicalization of fish communities, increased herbivory, and loss of kelp
TLDR
An increase in the proportion of warmwater species (“tropicalization”) as oceans warm is increasing fish herbivory in kelp forests, contributing to their decline and subsequent persistence in alternate “kelp-free” states, and posing a significant threat to kelp-dominated ecosystems in Australia and globally.
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The Ecological Role of Sharks on Coral Reefs.
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Ocean acidification reduces coral recruitment by disrupting intimate larval-algal settlement interactions.
TLDR
It is demonstrated that CO2 concentrations predicted to occur by the end of this century significantly reduce coral settlement and CCA cover and the only preferred settlement substrate (Titanoderma) in the experimental controls was avoided by coral larvae as pCO2 increased, and other substrata selected.
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Characterizing the ecological trade‐offs throughout the early ontogeny of coral recruitment
TLDR
Overall, recruitment success is characterized throughout the earliest life-history stages of corals and some intriguing trade-offs between growth, competition and predation are uncovered, highlighting how these change and even reverse during ontogeny and under alternate disturbance regimes.
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Spatial Patterns in Herbivory on a Coral Reef Are Influenced by Structural Complexity but Not by Algal Traits
TLDR
Given the importance of herbivory in maintaining the ability of coral reefs to reorganise and retain ecosystem functions following disturbance, structural complexity emerges as a critical feature that is essential for the healthy functioning of these ecosystems.
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Interactions among chronic and acute impacts on coral recruits: the importance of size-escape thresholds.
TLDR
The study demonstrates the importance of size-escape thresholds in early recruit survival and how OA can shift these thresholds, potentially intensifying population bottlenecks in benthic invertebrate recruitment.
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Herbivores strongly influence algal recruitment in both coral- and algal-dominated coral reef habitats
TLDR
The results show that disparate herbivorous fish communities in coral- and algae- dominated habitats are similarly able to limit the recruitment of foliose macroalgae, but suggest that when herbivory fish biomass and diversity are relatively low, macroalgal communities are able to escape herbivore control through increased growth.
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Global mismatch of policy and research on drivers of biodiversity loss
TLDR
An evidence map of global biodiversity loss research over the past decade suggests foci do not match predicted severity and impact, and that research and policy need to be realigned.
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Sensitivity of coral recruitment to subtle shifts in early community succession.
TLDR
It is indicated that altered interaction strength in different wave environments following disturbance can drive subtle changes in early succession that cascade to alter secondary succession to coral recruitment and system recovery.
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Linking Demographic Processes of Juvenile Corals to Benthic Recovery Trajectories in Two Common Reef Habitats
TLDR
This work quantified how juvenile (<50 mm) coral demographics influenced benthic coral structure in reef flat and reef slope habitats on the southern Great Barrier Reef, Australia, and highlighted the importance of acroporid recruitment in driving rapid increases in coral cover following large-scale perturbation in reef slope environments.
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