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Future Warming And Acidification Result In Multiple Ecological Impacts To A Temperate Coralline Alga, Megan J. Huggett, Kathryn Mcmahon, Rachele Bernasconi
Future Warming And Acidification Result In Multiple Ecological Impacts To A Temperate Coralline Alga, Megan J. Huggett, Kathryn Mcmahon, Rachele Bernasconi
Research outputs 2014 to 2021
Coralline algae are a crucial component of reef systems, stabilising reef substrate, providing habitat and contributing to accretion. Coralline algae and their surface microbial biofilms are also important as settlement cues for marine invertebrates, yet few studies address the impact of future environmental conditions on interactions between coralline algae, reef microbes and settlement by larvae of marine invertebrates. We exposed the temperate coralline algal species Amphiroa gracilis to warming and/or acidification scenarios for 21 days. Algae became bleached but photosystem II function was not measurably impacted. Settlement by larvae of the sea urchin Heliocidaris erythrogramma was reduced and the structure …