Biological validation of physical coastal waters classification along the NE Atlantic region based on rocky macroalgae distribution

Elvira Ramos; Puente Araceli; José Antonio Juanes; Inka Bartsch; Clare Scanlan; Joao Neto; Are Pedersen; Robert Wilkes; Erika Van den Bergh; Erwan Ar Gall; Ricardo Melo; Melo Ricardo

doi:10.1016/j.ecss.2014.05.036

Biological validation of physical coastal waters classification along the NE Atlantic region based on rocky macroalgae distribution

Elvira Ramos ¹ Puente Araceli ¹ José Antonio Juanes ^{1, *} Inka Bartsch ^{2, 3} Clare Scanlan Joao Neto ⁴ Are Pedersen ⁵ Robert Wilkes ⁶ Erika Van den Bergh ⁷ Erwan Ar Gall ⁸ Ricardo Melo ⁹ Melo Ricardo

* Auteur correspondant

1 Universidad de Cantabria [Santander]

2 Scottish Environment Protection Agency

3 AWI - Alfred-Wegener-Institut, Helmholtz-Zentrum für Polar- und Meeresforschung

4 Marine and environmental research centre - IMAR-CMA (Coimbra, Portugal)

5 Norvegian Institute for Water Research

6 Environmental Protection Agency

7 Research Institute for Nature and Forest

8 LEMAR - Laboratoire des Sciences de l'Environnement Marin (LEMAR)

9 Centro de Oceanografia

Abstract : A methodology to classify rocky shores along the North East Atlantic (NEA) region was developed. Previously, biotypes and the variability of environmental conditions within these were recognized based on abiotic data. A biological validation was required in order to support the ecological meaning of the physical typologies obtained. A database of intertidal macroalgae species occurring in the coastal area between Norway and the South Iberian Peninsula was generated. Semi-quantitative abundance data of the most representative macroalgal taxa were collected in three levels: common, rare or absent. Ordination and classification multivariate analyses revealed a clear latitudinal gradient in the distribution of macroalgae species resulting in two distinct groups: one northern and one southern group, separated at the coast of Brittany (France). In general, the results based on biological data coincided with the results based on physical characteristics. The ecological meaning of the coastal waters classification at a broad scale shown in this work demonstrates that it can be valuable as a practical tool for conservation and management purposes

Keywords : ecological distribution intertidal environment seaweed biogeography biotype EU classification

Type de document :

Article dans une revue

Estuarine, Coastal and Shelf Science, Elsevier, 2014, 147, pp.103-112. 〈10.1016/j.ecss.2014.05.036〉

Domaine :

Sciences du Vivant [q-bio]

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http://hal.univ-brest.fr/hal-01078875
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Soumis le : jeudi 30 octobre 2014 - 15:17:00
Dernière modification le : jeudi 11 janvier 2018 - 06:22:24

Biological validation of physical coastal waters classification along the NE Atlantic region based on rocky macroalgae distribution

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