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Habitat suitability models of a critically endangered cold-water coral, Isidella elongata, in the Mallorca Channel Standaert, W.; Puerta, P.; Mastrototaro, F.; Palomino, D.; Aguilar, R.; Ramiro-Sánchez, B.; Vázquez, J.-T.; Sánchez-Guillamón, O.; Marin, P.; Blanco, J.; Orejas, C. (2023). Habitat suitability models of a critically endangered cold-water coral, Isidella elongata, in the Mallorca Channel. Thalassas 39: 587-600. https://dx.doi.org/10.1007/s41208-023-00531-y In: Thalassas. Universidad de Vigo: Vigo. ISSN 0212-5919; e-ISSN 2366-1674

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Beschikbaar in	Auteurs
VLIZ: Open access 394435 [ download pdf ]

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Trefwoorden

Isidella elongata (Esper, 1788) [WoRMS] Marien/Kust

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Auteurs		Top
Standaert, W. Puerta, P. Mastrototaro, F. Palomino, D.	Aguilar, R. Ramiro-Sánchez, B. Vázquez, J.-T. Sánchez-Guillamón, O.	Marin, P. Blanco, J. Orejas, C.

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Abstract

The bamboo coral Isidella elongata is often associated with a diverse community, including commercial fish species, playing an important role in the deep-sea Mediterranean as a biodiversity hotspot. There has been a drastic decrease of the populations of this species since the twentieth century, mainly related to impacts of fishing, leading to its inclusion in the Barcelona Convention and the list of Mediterranean vulnerable marine ecosystems. However, the knowledge on its local scale distribution is still very limited. In this study, habitat suitability models were performed based on a dense population of I. elongata, located in the Mallorca Channel (western Mediterranean), to contribute to fill this knowledge gap. Generalized additive models, Maximum entropy models and Random Forest were combined into an ensemble model. Models showed that habitat is most suitable on smooth plains surrounding the seamounts of Ses Olives and Ausiàs March present in the study area. Furthermore, two models out of three showed a preference of the coral for flat areas. The predictions of the habitat suitability models presented in this study can be useful to design protection measures for this critically endangered species to contribute to the species’ and deep-sea fisheries management.

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