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Salland N, Wilding C, Jensen A, Smale DA. Spatiotemporal variability in population demography and morphology of the habitat-forming macroalga Saccorhiza polyschides in the Western English Channel. ANNALS OF BOTANY 2024; 133:117-130. [PMID: 37962600 PMCID: PMC10921834 DOI: 10.1093/aob/mcad181] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Accepted: 11/13/2023] [Indexed: 11/15/2023]
Abstract
BACKGROUND AND AIMS Large brown macroalgae serve as foundation organisms along temperate and polar coastlines, providing a range of ecosystem services. Saccorhiza polyschides is a warm-temperate kelp-like species found in the northeast Atlantic, which is suggested to have proliferated in recent decades across the southern UK, possibly in response to increasing temperatures, physical disturbance and reduced competition. However, little is known about S. polyschides with regard to ecological functioning and population dynamics across its geographical range. Here we examined the population demography of S. polyschides populations in southwest UK, located within the species' range centre, to address a regional knowledge gap and to provide a baseline against which to detect future changes. METHODS Intertidal surveys were conducted during spring low tides at three sites along a gradient of wave exposure in Plymouth Sound (Western English Channel) over a period of 15 months. Density, cover, age, biomass and morphology of S. polyschides were quantified. Additionally, less frequent sampling of shallow subtidal reefs was conducted to compare intertidal and subtidal populations. KEY RESULTS We recorded pronounced seasonality, with fairly consistent demographic patterns across sites and depths. By late summer, S. polyschides was a dominant habitat-former on both intertidal and subtidal reefs, with maximum standing stock exceeding 13 000 g wet weight m-2. CONCLUSIONS Saccorhiza polyschides is a conspicuous and abundant member of rocky reef assemblages in the region, providing complex and abundant biogenic habitat for associated organisms and high rates of primary productivity. However, its short-lived pseudo-annual life strategy is in stark contrast to dominant long-lived perennial laminarian kelps. As such, any replacement or reconfiguration of habitat-forming macroalgae due to ocean warming will probably have implications for local biodiversity and community composition. More broadly, our study demonstrates the importance of high-resolution cross-habitat surveys to generate robust baselines of kelp population demography, against which the ecological impacts of climate change and other stressors can be reliably detected.
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Affiliation(s)
- Nora Salland
- The Marine Biological Association of the United Kingdom, The Laboratory, Citadel Hill, Plymouth PL1 2PB, UK
- School of Ocean and Earth Science, University of Southampton, European Way, Southampton SO14 3ZH, UK
| | - Catherine Wilding
- The Marine Biological Association of the United Kingdom, The Laboratory, Citadel Hill, Plymouth PL1 2PB, UK
| | - Antony Jensen
- School of Ocean and Earth Science, University of Southampton, European Way, Southampton SO14 3ZH, UK
| | - Dan A Smale
- The Marine Biological Association of the United Kingdom, The Laboratory, Citadel Hill, Plymouth PL1 2PB, UK
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Mutlu E, Karaca D, Duman GS, Şahin A, Özvarol Y, Olguner C. Seasonality and phenology of an epiphytic calcareous red alga, Hydrolithon boreale, on the leaves of Posidonia oceanica (L) Delile in the Turkish water. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:17193-17213. [PMID: 36194324 DOI: 10.1007/s11356-022-23333-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Accepted: 09/23/2022] [Indexed: 06/16/2023]
Abstract
Epiphytes on Posidonia oceanica play a crucial role for determination of the ecological status of marine environment in time and space besides the seagrasses alone. The study was aimed to estimate the spatiotemporal ecological status linked to variation in biometry of an epiphytic micro-calcareous red alga, Hydrolithon boreale, found on leaves of the meadow with the exclusive environmental parameters along the entire Turkish coast of the Mediterranean Sea. Collection of Posidonia oceanica samples was conducted at 64 stations in winter (December 2018-January 2019) and 112 stations in summer (June-July 2019) by SCUBA (0.4 × 0.4 m of a quadrate frame) in the infralittoral zone along the entire Turkish Mediterranean coast surrounded by the siliciclastic Taurus Mountain Range which favor growth of epiphytic micro-calcareous red algae. Percent occurrence of the epiphyte changed seasonally-lower in winter (25%) than in summer (44%). The epiphyte which is an indicator and sensitive to undisturbed marine area grew up well to 5 mm in diameter, 0.35 mm in thickness of the crust size, and was populated up to 1006 ind/m2 in summer owing to the increased utilization of the carbonate by the epiphyte with the increased water temperature. The size was contrasted to the density (abundance and biomass) in space. The biometry was significantly dependent on the siliciclastic-carbonate deposition as inferred from SiO4-Si of the water in relation to the leaf area index (LAI) of P. oceanica. Therefore, this deposition induced specimens to grow in size, followed by the reduced density concerning the N-based nutrient of the water. Further major environmental parameters which negatively affected the biometry were pH and total suspended matter of the water, analogous to turbidity. Of the trace elements, Ni was negatively correlated with the biometry, whereas the LAI was however positively correlated with all the anthropogenic-sourced trace elements (V, Cu, Zn, As, Cd, and Pb) in the leaves. Of the bottom types, the calcite rock had a higher density than the other soft bottoms in contrast to the size of the epiphyte. Future studies could be based on the present study for determination of the ecological status regarding two dominant epiphytes on leaves of two seagrasses (H. boreale on P. oceanica and partly Pneophyllum fragile on Cymodocea nodosa) found in the different environments and substrates in space and time.
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Affiliation(s)
- Erhan Mutlu
- Fisheries Faculty, Akdeniz University, Main Campus, Antalya, Turkey.
| | - Doğukan Karaca
- Fisheries Faculty, Akdeniz University, Main Campus, Antalya, Turkey
| | - Güler Sıla Duman
- Fisheries Faculty, Akdeniz University, Main Campus, Antalya, Turkey
| | - Ahmet Şahin
- Surmene Faculty of Marine Sciences, Karadeniz Technical University, Trabzon, Turkey
| | - Yaşar Özvarol
- Kemer Faculty of Maritime, Akdeniz University, Main Campus, Antalya, Turkey
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Martín García L, Rancel-Rodríguez NM, Sangil C, Reyes J, Benito B, Orellana S, Sansón M. Environmental and human factors drive the subtropical marine forests of Gongolaria abies-marina to extinction. MARINE ENVIRONMENTAL RESEARCH 2022; 181:105759. [PMID: 36191454 DOI: 10.1016/j.marenvres.2022.105759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 09/20/2022] [Accepted: 09/22/2022] [Indexed: 06/16/2023]
Abstract
Large brown macroalgae are foundational threatened species in coastal ecosystems from the subtropical northeastern Atlantic, where they have exhibited a drastic decline in recent years. This study describes the potential habitat of Gongolaria abies-marina, its current distribution and conservation status, and the major drivers of population decline. The results show a strong reduction of more than 97% of G. abies-marina populations in the last thirty years and highlight the effects of drivers vary in terms of spatial heterogeneity. A decrease in the frequency of high waves and high human footprint are the principal factors accounting for the long-term decline in G. abies-marina populations. UV radiation and sea surface temperature have an important correlation only in certain locations. Both the methodology and the large amount of data analyzed in this study provide a valuable tool for the conservation and restoration of threatened macroalgae.
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Affiliation(s)
- Laura Martín García
- Instituto Español de Oceanografía-CSIC, The Canary Islands, Spain; Departamento de Botánica, Ecología y Fisiología Vegetal, Universidad de La Laguna, The Canary Islands, Spain.
| | - Nereida M Rancel-Rodríguez
- Departamento de Botánica, Ecología y Fisiología Vegetal, Universidad de La Laguna, The Canary Islands, Spain
| | - Carlos Sangil
- Departamento de Botánica, Ecología y Fisiología Vegetal, Universidad de La Laguna, The Canary Islands, Spain
| | - Javier Reyes
- Departamento de Botánica, Ecología y Fisiología Vegetal, Universidad de La Laguna, The Canary Islands, Spain
| | - Blas Benito
- Instituto Multidisciplinar para el Estudio del Medio "Ramón Margalef", Universidad de Alicante, Spain
| | - Sharay Orellana
- Departamento de Botánica, Ecología y Fisiología Vegetal, Universidad de La Laguna, The Canary Islands, Spain
| | - Marta Sansón
- Departamento de Botánica, Ecología y Fisiología Vegetal, Universidad de La Laguna, The Canary Islands, Spain
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Carneiro IM, Diaz RDS, Bertocci I, de Széchy MTM. The Fucales Index: A new tool for monitoring subtidal rocky habitats, and its application to an Atlantic bay subjected to nuclear power plant's effluents. MARINE POLLUTION BULLETIN 2021; 172:112804. [PMID: 34388448 DOI: 10.1016/j.marpolbul.2021.112804] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2021] [Revised: 07/23/2021] [Accepted: 07/29/2021] [Indexed: 06/13/2023]
Abstract
Ecological indices are useful tools for environmental managers to monitor and detect changes caused by natural or anthropogenic disturbances. Despite the fact that descriptors of Fucales species are often included in indices for evaluating changes in coastal marine habitats, there is no index based solely on Fucales abundance. This study proposes the Fucales Index (FI), based on four classes of abundance of a selected Fucales species. The ability of FI to detect changes in the abundance of Sargassum sp. was tested in a Brazilian bay that is subjected to the effluent plume from a nuclear power plant. FI was significantly different when comparing areas inside and outside of the plume area, and it increased with increasing distance from the source of the disturbance. These findings suggest that FI is a suitable tool for assessing the effect of an effluent plume and potentially of other disturbances on rocky shores hosting Fucales.
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Affiliation(s)
- Ivan Monclaro Carneiro
- Integrated Laboratory of Phycology, Department of Botany, Institute of Biology, Federal University of Rio de Janeiro, Rua Professor Rodolpho P. Rocco, 211, block A, room 99, Cidade Universitária, 21941-902 Rio de Janeiro, Brazil.
| | - Rodrigo Dos Santos Diaz
- Integrated Laboratory of Phycology, Department of Botany, Institute of Biology, Federal University of Rio de Janeiro, Rua Professor Rodolpho P. Rocco, 211, block A, room 99, Cidade Universitária, 21941-902 Rio de Janeiro, Brazil
| | - Iacopo Bertocci
- Department of Biology, University of Pisa, CoNISMa. Via Derna 1, 56126 Pisa, Italy; Stazione Zoologica Anton Dohrn, Villa Comunale, 80121 Naples, Italy
| | - Maria Teresa Menezes de Széchy
- Integrated Laboratory of Phycology, Department of Botany, Institute of Biology, Federal University of Rio de Janeiro, Rua Professor Rodolpho P. Rocco, 211, block A, room 99, Cidade Universitária, 21941-902 Rio de Janeiro, Brazil
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Anthropogenic pollutant-driven geographical distribution of mesozooplankton communities in estuarine areas of the Bohai Sea, China. Sci Rep 2019; 9:9668. [PMID: 31273273 PMCID: PMC6609641 DOI: 10.1038/s41598-019-46047-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 06/14/2019] [Indexed: 11/18/2022] Open
Abstract
Mesozooplankton communities in marine ecosystems are mainly influenced by both anthropogenic pollutants (e.g. nutrients and heavy metals) and natural variables (e.g. temperature, salinity and geographic distance). To achieve a deeper understanding of the effects of anthropogenic pollutants on mesozooplankton communities, we analyzed the community structure of mesozooplankton from 91 stations representing five typical estuarine regions in the Bohai Sea and assessed the relative importance of anthropogenic pollutants and natural variables by using multiple statistical approaches. Cd was identified as the leading pollutant for observed community variation among the five regions, followed by NH4-N and COD. Redundancy analysis (RDA) model demonstrated that mesozooplankton communities were largely determined by both anthropogenic pollutants and natural variables, and the indicator species of mesozooplankton also varied when responding to different factors. Variance partitioning analysis showed both anthropogenic pollutants and natural variables posed significant influences (ANOVA, P < 0.05) on the mesozooplankton community structure, but the explanatory power of anthropogenic pollutants overrode the natural variables. These observations highlighted the importance of anthropogenic pollutants in the shifts of zooplankton structures among different regions. Our results obtained in this study provided new insights into the mechanism of the influence of anthropogenic pollutants on mesozooplankton communities in estuarine areas.
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Bruno de Sousa C, Cox CJ, Brito L, Pavão MM, Pereira H, Ferreira A, Ginja C, Campino L, Bermejo R, Parente M, Varela J. Improved phylogeny of brown algae Cystoseira (Fucales) from the Atlantic-Mediterranean region based on mitochondrial sequences. PLoS One 2019; 14:e0210143. [PMID: 30699208 PMCID: PMC6364706 DOI: 10.1371/journal.pone.0210143] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Accepted: 12/18/2018] [Indexed: 11/19/2022] Open
Abstract
Cystoseira is a common brown algal genus widely distributed throughout the Atlantic and Mediterranean regions whose taxonomical assignment of specimens is often hampered by intra- and interspecific morphological variability. In this study, three mitochondrial regions, namely cytochrome oxidase subunit 1 (COI), 23S rDNA (23S), and 23S-tRNAVal intergenic spacer (mt-spacer) were used to analyse the phylogenetic relationships of 22 Cystoseira taxa (n = 93 samples). A total of 135 sequences (48 from COI, 43 from 23S and 44 from mt-spacer) were newly generated and analysed together with Cystoseira sequences (9 COI, 31 23S and 35 mt-spacer) from other authors. Phylogenetic analysis of these three markers identified 3 well-resolved clades and also corroborated the polyphyletic nature of the genus. The resolution of Cystoseira taxa within the three clades improves significantly when the inclusion of specimens of related genera was minimized. COI and mt-spacer markers resolved the phylogeny of some of the Cystoseira taxa, such as the C. baccata, C. foeniculacea and C. usneoides. Furthermore, trends between phylogeny, embryonic development and available chemotaxonomic classifications were identified, showing that phylogenetic, chemical and morphological data should be taken into account to study the evolutionary relationships among the algae currently classified as Cystoseira. The resolution of Cystoseira macroalgae into three well supported clades achieved here is relevant for a more accurate isolation and identification of natural compounds and the implementation of conservation measures for target species.
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Affiliation(s)
| | - Cymon J. Cox
- Centro de Ciências do Mar, Universidade do Algarve, Faro,
Portugal
| | - Luís Brito
- Centro de Ciências do Mar, Universidade do Algarve, Faro,
Portugal
| | | | - Hugo Pereira
- Centro de Ciências do Mar, Universidade do Algarve, Faro,
Portugal
| | - Ana Ferreira
- Universidade dos Açores, Faculdade de Ciências e Tecnologia, Ponta
Delgada, Açores, Portugal
| | - Catarina Ginja
- CIBIO-InBIO, Centro de Investigação em Biodiversidade e Recursos
Genéticos, Universidade do Porto, Campus Agrário de Vairão, Vairão,
Portugal
| | - Lenea Campino
- Global Health and Tropical Medicine, Instituto de Higiene e Medicina
Tropical, Universidade Nova de Lisboa, Lisboa, Portugal
| | - Ricardo Bermejo
- Departamento de Biología- Área de Ecología, Facultad de Ciencias del Mar
y Ambientales, Universidad de Cádiz, Puerto Real, Cádiz, Spain
- Irish Seaweed Research Group & Earth and Ocean Sciences Department,
Ryan Institute and School of Natural Sciences, National University of Ireland,
Galway, Ireland
| | - Manuela Parente
- CIBIO-Açores, Centro de Investigação em Biodiversidade e Recursos
Genéticos, InBIO Laboratório Associado, Pólo dos Açores, Departamento de
Biologia, Universidade dos Açores, Ponta Delgada, Portugal
| | - João Varela
- Centro de Ciências do Mar, Universidade do Algarve, Faro,
Portugal
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Marine forests of the Mediterranean-Atlantic Cystoseira tamariscifolia complex show a southern Iberian genetic hotspot and no reproductive isolation in parapatry. Sci Rep 2018; 8:10427. [PMID: 29993019 PMCID: PMC6041324 DOI: 10.1038/s41598-018-28811-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 06/26/2018] [Indexed: 11/08/2022] Open
Abstract
Climate-driven range-shifts create evolutionary opportunities for allopatric divergence and subsequent contact, leading to genetic structuration and hybrid zones. We investigate how these processes influenced the evolution of a complex of three closely related Cystoseira spp., which are a key component of the Mediterranean-Atlantic seaweed forests that are undergoing population declines. The C. tamariscifolia complex, composed of C. tamariscifolia s.s., C. amentacea and C. mediterranea, have indistinct boundaries and natural hybridization is suspected. Our aims are to (1) infer the genetic structure and diversity of these species throughout their distribution ranges using microsatellite markers to identify ancient versus recent geographical populations, contact zones and reproductive barriers, and (2) hindcast past distributions using niche models to investigate the influence of past range shifts on genetic divergence at multiple spatial scales. Results supported a single, morphologically plastic species the genetic structure of which was incongruent with a priori species assignments. The low diversity and low singularity in northern European populations suggest recent colonization after the LGM. The southern Iberian genetic hotspot most likely results from the role of this area as a climatic refugium or a secondary contact zone between differentiated populations or both. We hypothesize that life-history traits (selfing, low dispersal) and prior colonization effects, rather than reproductive barriers, might explain the observed genetic discontinuities.
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Cystoseira algae (Fucaceae): update on their chemical entities and biological activities. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.tetasy.2017.10.014] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Celis-Plá PSM, Martínez B, Korbee N, Hall-Spencer JM, Figueroa FL. Photoprotective responses in a brown macroalgae Cystoseira tamariscifolia to increases in CO 2 and temperature. MARINE ENVIRONMENTAL RESEARCH 2017; 130:157-165. [PMID: 28764959 DOI: 10.1016/j.marenvres.2017.07.015] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Revised: 07/04/2017] [Accepted: 07/18/2017] [Indexed: 05/16/2023]
Abstract
Global warming and ocean acidification are increasingly affecting coastal ecosystems, with impacts that vary regionally depending upon local biogeography. Ocean acidification drives shifts in seaweed community dominance that depend on interactions with other factors such as light and nutrients. In this study, we investigated the photophysiological responses in the brown macroalgae species Cystoseira tamariscifolia (Hudson) Papenfuss with important structural role in the coastal Mediterranean communities. These algae were collected in the Cabo de Gata-Nijar Natural Park in ultraoligotrophic waters (algae exposed under high irradiance and less nutrient conditions) vs. those collected in the La Araña beach in oligotrophic waters (algae exposed at middle nutrient and irradiance conditions) in the Mediterranean Sea. They were incubated in mesocosms, under two levels of CO2; ambient (400-500 ppm) and high CO2 (1200-1300 ppm), combined with two temperatures (ambient temperature; 20 °C and ambient temperature + 4 °C; 24 °C) and the same nutrient conditions of the waters of the origin of macroalgae. Thalli from two sites on the Spanish Mediterranean coast were significantly affected by increases in pCO2 and temperature. The carotenoids (fucoxanthin, violaxanthin and β-carotene) contents were higher in algae from oligotrophic than that from ultraoligotrophic water, i.e., algae collected under higher nutrient conditions respect to less conditions, increase photoprotective pigments content. Thalli from both locations upregulated photosynthesis (as Fv/Fm) at increased pCO2 levels. Our study shows that ongoing ocean acidification and warming can increase photoprotection and photosynthesis in intertidal macroalgae.
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Affiliation(s)
- Paula S M Celis-Plá
- Laboratory of Costal Environmental Research, Centre of Advanced Studies, University of Playa Ancha, 2581782 Viña del Mar, Chile; Department of Ecology, Faculty of Sciences, University of Malaga, 29071 Malaga, Spain.
| | - Brezo Martínez
- Biodiversity and Conservation Unit, Rey Juan Carlos University, 28933 Mostoles, Spain
| | - Nathalie Korbee
- Department of Ecology, Faculty of Sciences, University of Malaga, 29071 Malaga, Spain
| | - Jason M Hall-Spencer
- Marine Biology and Ecology Research Centre, Plymouth University, UK; Shimoda Marine Research Centre, Tsukuba University, Japan
| | - Félix L Figueroa
- Department of Ecology, Faculty of Sciences, University of Malaga, 29071 Malaga, Spain
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Thibaut T, Blanfuné A, Boudouresque CF, Personnic S, Ruitton S, Ballesteros E, Bellan-Santini D, Bianchi CN, Bussotti S, Cebrian E, Cheminée A, Culioli JM, Derrien-Courtel S, Guidetti P, Harmelin-Vivien M, Hereu B, Morri C, Poggiale JC, Verlaque M. An ecosystem-based approach to assess the status of Mediterranean algae-dominated shallow rocky reefs. MARINE POLLUTION BULLETIN 2017; 117:311-329. [PMID: 28189369 DOI: 10.1016/j.marpolbul.2017.01.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2016] [Revised: 01/13/2017] [Accepted: 01/16/2017] [Indexed: 06/06/2023]
Abstract
A conceptual model was constructed for the functioning the algae-dominated rocky reef ecosystem of the Mediterranean Sea. The Ecosystem-Based Quality Index (reef-EBQI) is based upon this model. This index meets the objectives of the EU Marine Strategy Framework Directive. It is based upon (i) the weighting of each compartment, according to its importance in the functioning of the ecosystem; (ii) biological parameters assessing the state of each compartment; (iii) the aggregation of these parameters, assessing the quality of the ecosystem functioning, for each site; (iv) and a Confidence Index measuring the reliability of the index, for each site. The reef-EBQI was used at 40 sites in the northwestern Mediterranean. It constitutes an efficient tool, because it is based upon a wide set of functional compartments, rather than upon just a few species; it is easy and inexpensive to implement, robust and not redundant with regard to already existing indices.
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Affiliation(s)
- Thierry Thibaut
- Aix-Marseille University, Mediterranean Institute of Oceanography (MIO), CNRS/INSU, IRD, UM 110, Campus universitaire de Luminy, case 901, 13288 Marseille cedex 09, France. thierry.thibaut@univ.-amu.fr
| | - Aurélie Blanfuné
- Aix-Marseille University, Mediterranean Institute of Oceanography (MIO), CNRS/INSU, IRD, UM 110, Campus universitaire de Luminy, case 901, 13288 Marseille cedex 09, France
| | - Charles F Boudouresque
- Aix-Marseille University, Mediterranean Institute of Oceanography (MIO), CNRS/INSU, IRD, UM 110, Campus universitaire de Luminy, case 901, 13288 Marseille cedex 09, France
| | - Sébastien Personnic
- Aix-Marseille University, Mediterranean Institute of Oceanography (MIO), CNRS/INSU, IRD, UM 110, Campus universitaire de Luminy, case 901, 13288 Marseille cedex 09, France
| | - Sandrine Ruitton
- Aix-Marseille University, Mediterranean Institute of Oceanography (MIO), CNRS/INSU, IRD, UM 110, Campus universitaire de Luminy, case 901, 13288 Marseille cedex 09, France
| | | | - Denise Bellan-Santini
- Aix-Marseille University, Institut Méditerranéen de Biodiversité et d'Ecologie (IMBE), UMR 7263, Station Marine d'Endoume, rue de la batterie des lions, 13007 Marseille, France
| | - Carlo Nike Bianchi
- DiSTAV, Dipartimento di Scienze della Terra, dell'Ambiente e della Vita, Università di Genova, Corso Europa 26, 16132 Genova, Italy
| | - Simona Bussotti
- Université Nice Sophia Antipolis, CNRS, FRE 3729 ECOMERS, Parc Valrose, 28 avenue Valrose, 06108 Nice cedex 02, France
| | - Emma Cebrian
- Centre d'Estudis Avançats de Blanes - CSIC, 17300 Blanes, Spain
| | - Adrien Cheminée
- Aix-Marseille University, Mediterranean Institute of Oceanography (MIO), CNRS/INSU, IRD, UM 110, Campus universitaire de Luminy, case 901, 13288 Marseille cedex 09, France; Université de Perpignan, CNRS, Via Domitia, Centre de Formation et de Recherche sur les Environnements Méditerranéens, UMR 5110, 66860 Perpignan cedex 9, France
| | - Jean-Michel Culioli
- Office de l'Environnement de la Corse, Riserva Naturali di i Bucchi di Bunifaziu, Rundinara, 20169 Bonifacio, Corsica, France
| | | | - Paolo Guidetti
- Université Nice Sophia Antipolis, CNRS, FRE 3729 ECOMERS, Parc Valrose, 28 avenue Valrose, 06108 Nice cedex 02, France
| | - Mireille Harmelin-Vivien
- Aix-Marseille University, Mediterranean Institute of Oceanography (MIO), CNRS/INSU, IRD, UM 110, Campus universitaire de Luminy, case 901, 13288 Marseille cedex 09, France
| | - Bernat Hereu
- Departament d'Ecologia, Universitat de Barcelona, Diagonal 643, 08028 Barcelona, Spain
| | - Carla Morri
- DiSTAV, Dipartimento di Scienze della Terra, dell'Ambiente e della Vita, Università di Genova, Corso Europa 26, 16132 Genova, Italy
| | - Jean-Christophe Poggiale
- Aix-Marseille University, Mediterranean Institute of Oceanography (MIO), CNRS/INSU, IRD, UM 110, Campus universitaire de Luminy, case 901, 13288 Marseille cedex 09, France
| | - Marc Verlaque
- Aix-Marseille University, Mediterranean Institute of Oceanography (MIO), CNRS/INSU, IRD, UM 110, Campus universitaire de Luminy, case 901, 13288 Marseille cedex 09, France
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