Percorrer por autor "Guizien, Katell"
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- Harnessing positive species interactions as a tool against climate-driven loss of coastal biodiversityPublication . Bulleri, Fabio; Eriksson, Britas Klemens; Queiros, Ana; Airoldi, Laura; Arenas, Francisco; Arvanitidis, Christos; Bouma, Tjeerd J.; Crowe, Tasman P.; Davoult, Dominique; Guizien, Katell; Ivesa, Ljiljana; Jenkins, Stuart R.; Michalet, Richard; Olabarria, Celia; Procaccini, Gabriele; Serrao, Ester; Wahl, Martin; Benedetti-Cecchi, LisandroHabitat-forming species sustain biodiversity and ecosystem functioning in harsh environments through the amelioration of physical stress. Nonetheless, their role in shaping patterns of species distribution under future climate scenarios is generally overlooked. Focusing on coastal systems, we assess how habitat-forming species can influence the ability of stress-sensitive species to exhibit plastic responses, adapt to novel environmental conditions, or track suitable climates. Here, we argue that habitat-former populations could be managed as a nature-based solution against climate-driven loss of biodiversity. Drawing from different ecological and biological disciplines, we identify a series of actions to sustain the resilience of marine habitat-forming species to climate change, as well as their effectiveness and reliability in rescuing stress-sensitive species from increasingly adverse environmental conditions.
- Spatial synchronies in the seasonal occurrence of larvae of oysters (Crassostrea gigas) and mussels (Mytilus edulis/galloprovincialis) in European coastal watersPublication . Philippart, C. J. M.; Araújo Amaral, Ana Margarida; Asmus, R.; van Bleijswijk, J.; Bremner, J.; Buchholz, F.; Cabanellas-Reboredo, M.; Catarino, D.; Cattrijsse, A.; Charles, F.; Comtet, T.; Cunha, A. H.; Deudero, S.; Duchêne, J. - C.; Fraschetti, S.; Gentil, F.; Gittenberger, A.; Guizien, Katell; Gonçalves, Jorge Manuel Santos; Guarnieri, G.; Hendriks, Iris; Hussel, B.; Vieira, R. P.; Reijnen, B. T.; Sampaio, I.; Serrão, Ester; Pinto, I. S.; Thiebaut, E.; Viard, F.; Zuur, A. F.Reproductive cycles of marine invertebrates with complex life histories are considered to be synchronized by water temperature and feeding conditions, which vary with season and latitude. This study analyses seasonal variation in the occurrence of oyster (Crassostrea gigas) and mussel (Mytilus edulis/galloprovincialis) larvae across European coastal waters at a synoptic scale (1000s of km) using standardised methods for sampling and molecular analyses. We tested a series of hypotheses to explain the observed seasonal patterns of occurrence of bivalve larvae at 12 European stations (located between 37 N and 60 N and 27 W and 18 E). These hypotheses included a model that stated that there was no synchronisation in seasonality of larval presence at all between the locations (null hypothesis), a model that assumed that there was one common seasonality pattern for all stations within Europe, and various models that supposed that the variation in seasonality could be grouped according to specific spatial scales (i.e., latitude, large marine ecosystems and ecoregions), taxonomic groups, or several combinations of these factors. For oysters, the best models explaining the presence/absence of larvae in European coastal waters were (1) the model that assumed one common seasonal pattern, and (2) the one that, in addition to this common pattern, assumed an enhanced probability of occurrence from south to north. The third best model for oysters, with less empirical support than the first two, stated that oysters reproduced later in the south than in the north. For mussels, the best models explaining the seasonality in occurrence of larvae were (1) the model that assumed four underlying trends related to large marine ecosystems, and (2) the one that assumed one common seasonal pattern for larvae occurrence throughout Europe. Such synchronies in larval occurrences suggest that environmental conditions relevant to bivalve larval survival are more or less similar at large spatial scales from 100s to 1000s of km. To unravel the underlying mechanisms for this synchronisation is of particular interest in the light of changing environmental conditions as the result of global climate change and the possible consequences for marine food webs and ecosystem services.
- A systematic review of the current state of marine functional connectivity researchPublication . Tanner, Susanne E.; Sturrock, Anna M.; Öztürk, Rafet Ç.; Smoliński, Szymon; Terzi, Yahya; Reis-Santos, Patrick; Barboza, Francisco R.; Blanco, Andreu; Borsa, Philippe; Castilho, Rita; Costantini, Federica; Feyzioğlu, A. Muzaffer; Guizien, Katell; Guy-Haim, Tamar; Kaplan, David M.; Kotta, Jonne; Lett, Christophe; Martinho, Filipe; Nanninga, Gerrit B.; Pérez-Ruzafa, Angel; Rinkevich, Baruch; Walther, Benjamin D; Darnaude, Audrey M.Marine functional connectivity underpins biodiversity and ecosystem functions, en suring resilience in marine and land–sea interface ecosystems. Research on this topic has ad vanced rapidly in recent decades, as reflected in the growing body of primary literature and the increasing number of reviews covering a variety of topics and methodologies. Here, we systematically extracted and analysed information from 215 reviews across the entire field to synthesize the current state of marine functional connectivity research, highlighting the main topics, methods, taxa, geographic areas, and future research priorities. Word co-occurrence and network analyses revealed imbalances in review topics, with certain habitats (e.g. coral reefs), taxa (e.g. fish), and geo graphic areas (e.g. North Atlantic) receiving disproportionate attention. These disparities likely arise from variations in funding, field site accessibility, public interest, and/or delays in adopting new concepts and methodologies. Research priorities were broadly grouped into 2 themes: (1) ‘Methods’, highlighting the need to integrate and advance sampling, modelling, and ana lysis techniques, and (2) ‘Ecology and Application’, stressing the need to understand connectivity drivers, particularly the impacts of climate change, and to integrate connectivity knowledge into marine conservation and management. There was also a third overarching theme emphasizing the importance of expanding spatial and temporal coverage of connectivity knowledge and data by embracing new technologies, growing collaborative networks and targeting understudied habitats, areas, and taxa. Tackling the identified research priorities will further improve our ability to quantify connectivity patterns and drivers, and facilitate efforts to actively apply this knowledge and data in marine management and conservation.