6 Works

Data from: Matching oceanography and genetics at the basin scale. Seascape connectivity of the Mediterranean shore crab in the Adriatic Sea

Marcello Schiavina, Ilaria A. M. Marino, Lorenzo Zane & Paco Melià
Investigating the interactions between the physical environment and early life history is crucial to understand the mechanisms that shape the genetic structure of marine populations. Here, we assessed the genetic differentiation in a species with larval dispersal, the Mediterranean shore crab (Carcinus aestuarii) in the Adriatic Sea (central Mediterranean), and we investigated the role of oceanic circulation in shaping population structure. To this end, we screened 11 polymorphic microsatellite loci from 431 individuals collected at...

Data from: Mediterranean marine protected areas have higher biodiversity via increased evenness, not abundance

Shane Blowes, Jonathan Chase, Antonio Di Franco, Ori Frid, Nicholas Gotelli, Paolo Guidetti, Tiffany Knight, Felix May, Daniel McGlinn, Fiorenza Micheli, Enric Sala & Jonathan Belmaker
1. Protected areas are central to biodiversity conservation. For marine fish, marine protected areas (MPAs) often harbour more individuals, especially of species targeted by fisheries. But precise pathways of biodiversity change remain unclear. For example, how local-scale responses combine to affect regional biodiversity, important for managing spatial networks of MPAs, is not well known. Protection potentially influences three components of fish assemblages that determine how species accumulate with sampling effort and spatial scale: the total...

Data from: Population genomics meet Lagrangian simulations: oceanographic patterns and long larval duration ensure connectivity among Paracentrotus lividus populations in the Adriatic and Ionian seas

Marta Paterno, Marcello Schiavina, Giorgio Aglieri, Jamila Ben Souissi, Elisa Boscari, Renato Casagrandi, Aurore Chassanite, Mariachiara Chiantore, Leonardo Congiu, Giuseppe Guarnieri, Claudia Kruschel, Vesna Macic, Ilaria Anna Maria Marino, Chiara Papetti, Tomaso Patarnello, Lorenzo Zane & Paco Melià
Connectivity between populations is a key factor that influences both their dynamics and the genetic structuring of marine species. In this study, we explored connectivity patterns of a long-dispersing species, the edible common sea urchin Paracentrotus lividus, focusing mainly on the Adriatic-Ionian basins. We applied a multidisciplinary approach integrating population genomics, based on 1122 Single Nucleotide Polymorphisms (SNPs) obtained by 2b-RAD in 275 samples, with Lagrangian simulations performed with a biophysical model of larval dispersal....

Data from: Ocean acidification affects fish spawning but not paternity at CO2 seeps

Marco Milazzo, Carlo Cattano, Suzanne H. Alonzo, Andrew Foggo, Michele Gristina, Riccardo Rodolfo-Metalpa, Mauro Sinopoli, Davide Spatafora, Kelly A. Stiver & Jason M. Hall-Spencer
Fish exhibit impaired sensory function and altered behaviour at levels of ocean acidification expected to occur owing to anthropogenic carbon dioxide emissions during this century. We provide the first evidence of the effects of ocean acidification on reproductive behaviour of fish in the wild. Satellite and sneaker male ocellated wrasse (Symphodus ocellatus) compete to fertilize eggs guarded by dominant nesting males. Key mating behaviours such as dominant male courtship and nest defence did not differ...

Data from: A genome-wide approach to the phylogeography of the mussel Mytilus galloprovincialis in the Adriatic and the Black Seas

Marta Paterno, Levent Bat, Jamila B Souissi, Elisa Boscari, Aurore Chassanite, Leonardo Congiu, Giuseppe Guarnieri, Claudia Kruschel, Vesna Macic, Ilaria A Marino, Dragos Micu, Nataliya Milchakova, Marina Panayotova, Chiara Papetti, Stefan Strungaru, Valentina R Todorova, Emanuela Voutsinas & Lorenzo Zane
Connectivity between populations shapes the genetic structure of species being crucial for an effective management of environmental resources. Genetic approaches can provide indirect measures of connectivity, allowing the identification of genetically differentiated - unconnected - populations. In this study, we applied a 2b-RAD approach based on hundreds of polymorphic loci to provide the first detailed insight into the population genomics of the Mediterranean mussel Mytilus galloprovincialis in part of its native geographical range. We sampled...

Species distribution, hybridization and connectivity in the genus Chionodraco: unveiling unknown icefish diversity in Antarctica

Luca Schiavon, Valérie Dulière, Mario La Mesa, Ilaria Marino, Giuditta Codogno, Elisa Boscari, Emilio Riginella, Alessandra Battistotti, Magnus Lucassen, Lorenzo Zane & Chiara Papetti
Aim The species of the genus Chionodraco (Notothenioidei) are the most abundant icefish on the continental shelf of the Weddell Sea. While previous studies indicated that only Chionodraco hamatus and Chionodraco myersi inhabit the Weddell Sea, the third Chionodraco species, Chionodraco rastrospinosus, was recently sampled in the area. Since C. rastrospinosus is supposed to be found only at the Antarctic Peninsula and Scotia Arc, this study aimed at confirming the species classification of C. rastrospinosus...

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