Long term relationship between farming damselfish, predators, competitors and benthic habitat on coral reefs of Moorea Island

Abstract Understanding the processes that shape biodiversity is essential for effective environmental management. Across the world’s coral reefs, algal farming damselfish (Stegastes sp.) modify the surrounding benthic community through their creation of algae “farms”. Using a long-term monitoring da...

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Autores principales:	William E. Feeney, Frédéric Bertucci, Emma Gairin, Gilles Siu, Viliame Waqalevu, Morgan Antoine, Thierry Lison de Loma, Serge Planes, René Galzin, David Lecchini
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/762ea7029d71467392d86baa30115752
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spelling	oai:doaj.org-article:762ea7029d71467392d86baa301157522021-12-02T16:14:17ZLong term relationship between farming damselfish, predators, competitors and benthic habitat on coral reefs of Moorea Island10.1038/s41598-021-94010-02045-2322https://doaj.org/article/762ea7029d71467392d86baa301157522021-07-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-94010-0https://doaj.org/toc/2045-2322Abstract Understanding the processes that shape biodiversity is essential for effective environmental management. Across the world’s coral reefs, algal farming damselfish (Stegastes sp.) modify the surrounding benthic community through their creation of algae “farms”. Using a long-term monitoring dataset (2005–2019) from Moorea Island, French Polynesia, we investigated whether the density of dusky damselfish (Stegastes nigricans) is associated with benthic habitat composition, the density of predators and/or competitors, and whether the survey area was inside or outside of a Marine Protected Area (MPA). We found no evidence that benthic cover or number of competitors were associated with dusky damselfish densities, both inside and outside MPAs. In contrast, fluctuations in dusky damselfish densities were negatively associated with the density of predators (e.g. Serranidae, Muraenidae and Scorpaenidae) in the preceding year in non-MPA areas, and both within and outside of MPAs when predator densities were high (2005–2010). These results suggest that healthy predator populations may be important for regulating the abundances of keystone species, such as algal farming damselfish, especially when predator densities are high.William E. FeeneyFrédéric BertucciEmma GairinGilles SiuViliame WaqalevuMorgan AntoineThierry Lison de LomaSerge PlanesRené GalzinDavid LecchiniNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q William E. Feeney Frédéric Bertucci Emma Gairin Gilles Siu Viliame Waqalevu Morgan Antoine Thierry Lison de Loma Serge Planes René Galzin David Lecchini Long term relationship between farming damselfish, predators, competitors and benthic habitat on coral reefs of Moorea Island
description	Abstract Understanding the processes that shape biodiversity is essential for effective environmental management. Across the world’s coral reefs, algal farming damselfish (Stegastes sp.) modify the surrounding benthic community through their creation of algae “farms”. Using a long-term monitoring dataset (2005–2019) from Moorea Island, French Polynesia, we investigated whether the density of dusky damselfish (Stegastes nigricans) is associated with benthic habitat composition, the density of predators and/or competitors, and whether the survey area was inside or outside of a Marine Protected Area (MPA). We found no evidence that benthic cover or number of competitors were associated with dusky damselfish densities, both inside and outside MPAs. In contrast, fluctuations in dusky damselfish densities were negatively associated with the density of predators (e.g. Serranidae, Muraenidae and Scorpaenidae) in the preceding year in non-MPA areas, and both within and outside of MPAs when predator densities were high (2005–2010). These results suggest that healthy predator populations may be important for regulating the abundances of keystone species, such as algal farming damselfish, especially when predator densities are high.
format	article
author	William E. Feeney Frédéric Bertucci Emma Gairin Gilles Siu Viliame Waqalevu Morgan Antoine Thierry Lison de Loma Serge Planes René Galzin David Lecchini
author_facet	William E. Feeney Frédéric Bertucci Emma Gairin Gilles Siu Viliame Waqalevu Morgan Antoine Thierry Lison de Loma Serge Planes René Galzin David Lecchini
author_sort	William E. Feeney
title	Long term relationship between farming damselfish, predators, competitors and benthic habitat on coral reefs of Moorea Island
title_short	Long term relationship between farming damselfish, predators, competitors and benthic habitat on coral reefs of Moorea Island
title_full	Long term relationship between farming damselfish, predators, competitors and benthic habitat on coral reefs of Moorea Island
title_fullStr	Long term relationship between farming damselfish, predators, competitors and benthic habitat on coral reefs of Moorea Island
title_full_unstemmed	Long term relationship between farming damselfish, predators, competitors and benthic habitat on coral reefs of Moorea Island
title_sort	long term relationship between farming damselfish, predators, competitors and benthic habitat on coral reefs of moorea island
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/762ea7029d71467392d86baa30115752
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Long term relationship between farming damselfish, predators, competitors and benthic habitat on coral reefs of Moorea Island

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