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Université de Fribourg

Photic stress on coral reefs in the Maldives: The Amphistegina bleaching index

Stainbank, Stephanie ; Spezzaferri, Silvia ; Beccari, Valentina ; Hallock, Pamela ; Adams, Arthur ; Angeloz, Aurelie ; Basso, Daniela ; Caragnano, Annalisa ; Piero, Nicolo Del ; Dietsche, Patrick ; Eymard, Ines ; Farley, Nicholas ; Fau, Marine ; Foubert, Anneleen ; Lauper, Bruno ; Lehmann, Anael ; Maillet, Marine ; Negga, Haileyesus ; Ordonez, Luis ; Peyrotty, Giovan ; Rime, Valentin ; Rüggeberg, Andres ; Schoellhorn, Iris ; Vimpere, Lucas

In: Ecological Indicators, 2020, vol. 113, p. 106257

The Amphistegina Bleaching Index (ABI) was applied to three Maldivian reefs in the Rasdhoo and North Ari Atolls in 2018, during normal sea surface temperature conditions. This dataset was then compared with a 2015, pre-coral bleaching study. The results provide a context for the verification and application of the ABI in outlining the photo-inhibitory stress status of coral reefs outside of...

Université de Fribourg

Ecological constraints coupled with deep-time habitat dynamics predict the latitudinal diversity gradient in reef fishes

Gaboriau, Théo ; Albouy, Camille ; Descombes, Patrice ; Mouillot, David ; Pellissier, Loïc ; Leprieur, Fabien

In: Proceedings of the Royal Society B: Biological Sciences, 2019, vol. 286, no. 1911, p. 20191506

We develop a spatially explicit model of diversification based on palaeohabitat to explore the predictions of four major hypotheses potentially explaining the latitudinal diversity gradient (LDG), namely, the ‘time-area’, ‘tropical niche conservatism’, ‘ecological limits’ and ‘evolutionary speed’ hypotheses. We compare simulation outputs to observed diversity gradients in the...