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Algal turfs negatively impact coral health

Stanca, Ioana-Claudia (2023) Algal turfs negatively impact coral health. Master's Thesis / Essay, Marine Biology.


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Algae can become a coral stressor and pathogen inducer leading to coral death. Algal induced stress has many mechanisms of affliction such as competition (abrasion, shading) , algal-coral contact, allelopathy. Through these mechanisms, algae can cause both direct and indirect effects that can lead to coral decline. As such, the rise of turf algae in coral reefs might impact the health of the corals. Disruption of the potential chances of recovery for bleached corals and reducing coral settlement rates have a big impact on future coral generations. The facilitation of invasion by pathogenic bacteria at the coral-algal interface could have a higher negative impact than other competitive mechanisms. The main indirect algal-coral contact effect is a microbiome shift. An insight into the effects algal abundance has on corals can mitigate future approaches in understanding coral mortality and assessment of management options. This essay explores the effects of algal-induced stress, the impact on coral fitness and microbiome, changes at an ecosystem level as well as measures to control high algal abundance.

Item Type: Thesis (Master's Thesis / Essay)
Supervisor name: Meij, S.E.T. van der and Boute, P.G.
Degree programme: Marine Biology
Thesis type: Master's Thesis / Essay
Language: English
Date Deposited: 12 Jan 2023 13:48
Last Modified: 12 Jan 2023 13:48

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