An integrated approach to estimate aesthetic and ecological values of coralligenous reefs

Assessing non-material nature contributions to people has become one major challenge in biodiversity sciences. Among them, the aesthetic value of biodiversity is of strong importance as it contributes to human well-being and increases the collective willingness to engage in conservation efforts. Usi...

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Autores principales: Juliette Langlois, François Guilhaumon, Thomas Bockel, Pierre Boissery, Cédric De Almeida Braga, Julie Deter, Florian Holon, Guilhem Marre, Anne-Sophie Tribot, Nicolas Mouquet
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Publicado: Elsevier 2021
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Acceso en línea:https://doaj.org/article/8823cddeabad4367a7329d81ba941b78
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spelling oai:doaj.org-article:8823cddeabad4367a7329d81ba941b782021-12-01T04:56:09ZAn integrated approach to estimate aesthetic and ecological values of coralligenous reefs1470-160X10.1016/j.ecolind.2021.107935https://doaj.org/article/8823cddeabad4367a7329d81ba941b782021-10-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21006002https://doaj.org/toc/1470-160XAssessing non-material nature contributions to people has become one major challenge in biodiversity sciences. Among them, the aesthetic value of biodiversity is of strong importance as it contributes to human well-being and increases the collective willingness to engage in conservation efforts. Using the endangered coralligenous reefs along the French Mediterranean coastline as a case study, we propose a quantitative approach to estimate the aesthetic and ecological values of a marine ecosystem. We combined human image evaluation and deep learning algorithms to provide a quantitative estimation of the aesthetic value of 7692 photographic quadrats among 160 stations located between 20 and 90 m depth and gathered on 95 sites. To understand how aesthetic value is related to biodiversity metrics, environmental variables and anthropogenic pressures we used a structural equation modelling approach. We found that taxonomic diversity and species composition explained a significant part of the aesthetic value of the coralligenous reefs. Taxonomic diversity showed a net positive effect and species composition analysis highlighted both positive and negative effects of some species on the aesthetic value. Net negative effects of functional and phylogenetic diversities were found, which illustrates an aesthetic bias in human perception of ecological value. The aesthetic and ecological values were mapped along the French Mediterranean coastline in three dimensions (longitude, latitude, depth); this synthetic visualization could be of strong interest for conservation and communication purposes about this endangered benthic key-ecosystem of the Mediterranean Sea. Overall, our approach provides a geographically scalable estimate of the aesthetic value of biodiversity which is still an underestimated facet of nature contributions to people. It could be transposed to other marine ecosystems such as coral reefs but also to terrestrial landscapes for which an increasing number of images evaluated for human preference are becoming available.Juliette LangloisFrançois GuilhaumonThomas BockelPierre BoisseryCédric De Almeida BragaJulie DeterFlorian HolonGuilhem MarreAnne-Sophie TribotNicolas MouquetElsevierarticleAesthetic perceptionCoralligenous reefsEcological valueDeep learningNature contribution to peopleEcologyQH540-549.5ENEcological Indicators, Vol 129, Iss , Pp 107935- (2021)
institution DOAJ
collection DOAJ
language EN
topic Aesthetic perception
Coralligenous reefs
Ecological value
Deep learning
Nature contribution to people
Ecology
QH540-549.5
spellingShingle Aesthetic perception
Coralligenous reefs
Ecological value
Deep learning
Nature contribution to people
Ecology
QH540-549.5
Juliette Langlois
François Guilhaumon
Thomas Bockel
Pierre Boissery
Cédric De Almeida Braga
Julie Deter
Florian Holon
Guilhem Marre
Anne-Sophie Tribot
Nicolas Mouquet
An integrated approach to estimate aesthetic and ecological values of coralligenous reefs
description Assessing non-material nature contributions to people has become one major challenge in biodiversity sciences. Among them, the aesthetic value of biodiversity is of strong importance as it contributes to human well-being and increases the collective willingness to engage in conservation efforts. Using the endangered coralligenous reefs along the French Mediterranean coastline as a case study, we propose a quantitative approach to estimate the aesthetic and ecological values of a marine ecosystem. We combined human image evaluation and deep learning algorithms to provide a quantitative estimation of the aesthetic value of 7692 photographic quadrats among 160 stations located between 20 and 90 m depth and gathered on 95 sites. To understand how aesthetic value is related to biodiversity metrics, environmental variables and anthropogenic pressures we used a structural equation modelling approach. We found that taxonomic diversity and species composition explained a significant part of the aesthetic value of the coralligenous reefs. Taxonomic diversity showed a net positive effect and species composition analysis highlighted both positive and negative effects of some species on the aesthetic value. Net negative effects of functional and phylogenetic diversities were found, which illustrates an aesthetic bias in human perception of ecological value. The aesthetic and ecological values were mapped along the French Mediterranean coastline in three dimensions (longitude, latitude, depth); this synthetic visualization could be of strong interest for conservation and communication purposes about this endangered benthic key-ecosystem of the Mediterranean Sea. Overall, our approach provides a geographically scalable estimate of the aesthetic value of biodiversity which is still an underestimated facet of nature contributions to people. It could be transposed to other marine ecosystems such as coral reefs but also to terrestrial landscapes for which an increasing number of images evaluated for human preference are becoming available.
format article
author Juliette Langlois
François Guilhaumon
Thomas Bockel
Pierre Boissery
Cédric De Almeida Braga
Julie Deter
Florian Holon
Guilhem Marre
Anne-Sophie Tribot
Nicolas Mouquet
author_facet Juliette Langlois
François Guilhaumon
Thomas Bockel
Pierre Boissery
Cédric De Almeida Braga
Julie Deter
Florian Holon
Guilhem Marre
Anne-Sophie Tribot
Nicolas Mouquet
author_sort Juliette Langlois
title An integrated approach to estimate aesthetic and ecological values of coralligenous reefs
title_short An integrated approach to estimate aesthetic and ecological values of coralligenous reefs
title_full An integrated approach to estimate aesthetic and ecological values of coralligenous reefs
title_fullStr An integrated approach to estimate aesthetic and ecological values of coralligenous reefs
title_full_unstemmed An integrated approach to estimate aesthetic and ecological values of coralligenous reefs
title_sort integrated approach to estimate aesthetic and ecological values of coralligenous reefs
publisher Elsevier
publishDate 2021
url https://doaj.org/article/8823cddeabad4367a7329d81ba941b78
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