RESQUE: A novel comprehensive approach to compare the performance of different indices in evaluating seagrass health

Biotic indices are major tools recommended by the European Directives for assessing the ecological status of marine coastal ecosystems such as Posidonia oceanica meadows. Nevertheless, the multitude of available metrics commonly adopted in the P. oceanica monitoring often provide diverging responses...

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Autores principales:	A. Oprandi, C.N. Bianchi, O. Karayali, C. Morri, I. Rigo, M. Montefalcone
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Biotic indices Ecological quality Posidonia oceanica Mediterranean Sea Habitat resilience Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/7ccd734252f74f50a8395954706009d2
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spelling	oai:doaj.org-article:7ccd734252f74f50a8395954706009d22021-12-01T04:59:26ZRESQUE: A novel comprehensive approach to compare the performance of different indices in evaluating seagrass health1470-160X10.1016/j.ecolind.2021.108118https://doaj.org/article/7ccd734252f74f50a8395954706009d22021-11-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S1470160X21007834https://doaj.org/toc/1470-160XBiotic indices are major tools recommended by the European Directives for assessing the ecological status of marine coastal ecosystems such as Posidonia oceanica meadows. Nevertheless, the multitude of available metrics commonly adopted in the P. oceanica monitoring often provide diverging responses about the health status of the habitat. In this study, we investigated the effectiveness and consistency of a set of 11 indices and descriptors working at different level of ecological complexity of P. oceanica ecosystem (individual, population, community, and seascape), applying them on 13 seagrass meadows of the Ligurian Sea (NW Mediterranean). A new approach, named RESQUE (RESilience and QUality of seagrass Ecosystem), is here proposed and aims to provide a single and comprehensive measure of the ecological status of seagrass meadows. RESQUE is a graphical approach that involves the calculation of both the Relative Area Index (RAI) and the Relative Circularity Index (RCI) starting from a radar chart where all the different values of indices and descriptors are reported after being normalized. The RAI represents a measure of the overall environmental quality, while the RCI constitutes a measure of the consistency among indices and it is assumed as a good proxy of meadow resilience. RESQUE turned out to be an effective method to incorporate all the different indices responses, and allowed integration of relevant information into an overall expression of meadow health. Beyond the ability of merely defining the quality of the Ligurian P. oceanica meadows, this approach displayed a great potential being possibly applicable to other habitats and with ideally infinite combinations of metrics.A. OprandiC.N. BianchiO. KarayaliC. MorriI. RigoM. MontefalconeElsevierarticleBiotic indicesEcological qualityPosidonia oceanicaMediterranean SeaHabitat resilienceEcologyQH540-549.5ENEcological Indicators, Vol 131, Iss , Pp 108118- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Biotic indices Ecological quality Posidonia oceanica Mediterranean Sea Habitat resilience Ecology QH540-549.5
spellingShingle	Biotic indices Ecological quality Posidonia oceanica Mediterranean Sea Habitat resilience Ecology QH540-549.5 A. Oprandi C.N. Bianchi O. Karayali C. Morri I. Rigo M. Montefalcone RESQUE: A novel comprehensive approach to compare the performance of different indices in evaluating seagrass health
description	Biotic indices are major tools recommended by the European Directives for assessing the ecological status of marine coastal ecosystems such as Posidonia oceanica meadows. Nevertheless, the multitude of available metrics commonly adopted in the P. oceanica monitoring often provide diverging responses about the health status of the habitat. In this study, we investigated the effectiveness and consistency of a set of 11 indices and descriptors working at different level of ecological complexity of P. oceanica ecosystem (individual, population, community, and seascape), applying them on 13 seagrass meadows of the Ligurian Sea (NW Mediterranean). A new approach, named RESQUE (RESilience and QUality of seagrass Ecosystem), is here proposed and aims to provide a single and comprehensive measure of the ecological status of seagrass meadows. RESQUE is a graphical approach that involves the calculation of both the Relative Area Index (RAI) and the Relative Circularity Index (RCI) starting from a radar chart where all the different values of indices and descriptors are reported after being normalized. The RAI represents a measure of the overall environmental quality, while the RCI constitutes a measure of the consistency among indices and it is assumed as a good proxy of meadow resilience. RESQUE turned out to be an effective method to incorporate all the different indices responses, and allowed integration of relevant information into an overall expression of meadow health. Beyond the ability of merely defining the quality of the Ligurian P. oceanica meadows, this approach displayed a great potential being possibly applicable to other habitats and with ideally infinite combinations of metrics.
format	article
author	A. Oprandi C.N. Bianchi O. Karayali C. Morri I. Rigo M. Montefalcone
author_facet	A. Oprandi C.N. Bianchi O. Karayali C. Morri I. Rigo M. Montefalcone
author_sort	A. Oprandi
title	RESQUE: A novel comprehensive approach to compare the performance of different indices in evaluating seagrass health
title_short	RESQUE: A novel comprehensive approach to compare the performance of different indices in evaluating seagrass health
title_full	RESQUE: A novel comprehensive approach to compare the performance of different indices in evaluating seagrass health
title_fullStr	RESQUE: A novel comprehensive approach to compare the performance of different indices in evaluating seagrass health
title_full_unstemmed	RESQUE: A novel comprehensive approach to compare the performance of different indices in evaluating seagrass health
title_sort	resque: a novel comprehensive approach to compare the performance of different indices in evaluating seagrass health
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/7ccd734252f74f50a8395954706009d2
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RESQUE: A novel comprehensive approach to compare the performance of different indices in evaluating seagrass health

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