6 Works

Data from: Below-ground processes control the success of an invasive seaweed

Paul E. Gribben, Torsten Thomas, Antonio Pusceddu, Lisa Bonechi, Silvia Bianchelli, Emanuela Buschi, Shaun Nielsen, Chiara Ravaglioli & Fabio Bulleri
1. Whilst the successful establishment and spread of invasive species can be determined by above ground processes, results are often equivocal. Emergent research, mostly from terrestrial ecosystems, demonstrates that below-ground processes (nutrient cycling, chemical properties) under microbial control can mediate interactions between native and invasive plants. Because microbes can control similar sediment properties in marine ecosystem that influence plant fitness, we argue that below-ground properties should also exert strong control interactions between native and invasive...

Data from: Population connectivity and phylogeography of the Mediterranean endemic skate Raja polystigma and evidence of its hybridization with the parapatric sibling R. montagui

Alessia Cariani, ED Farrell, P Carbonara, G Garofalo, M Stagioni, F Tinti, F Fiorentino, N Frodella, A Veloná, R Cannas & MC Follesa
The genetic structure and population connectivity of the Mediterranean endemic speckled skate Raja polystigma were investigated in 10 population samples (N = 232) at 7 exon-primed nuclear microsatellites and at 3 mitochondrial DNA sequence markers. The phylogeographic and population genetic analyses revealed that R. polystigma in the western and central Mediterranean represents a near-panmictic population, with a subtle but significant mitochondrial divergence of the Adriatic deme. Nuclear genotypes revealed that 2.5% of the total individuals...

Data from: Spatial dynamics and mixing of bluefin tuna in the Atlantic Ocean and Mediterranean Sea revealed using next generation sequencing

Gregory Neils Puncher, Alessia Cariani, Gregory E. Maes, Jeroen Van Houdt, Koen Herten, Rita Cannas, Naiara Rodriguez-Ezpeleta, Aitor Albaina, M. Andone Estonba, Molly Lutcavage, Alex Hanke, Jay Rooker, James S. Franks, Joseph M. Quattro, Gualtiero Basilone, Igaratza Fraile, Urtzi Laconcha, Nicolas Goñi, Ai Kimoto, A. David Macías, Francisco Alemany, Simeon Deguara, Salem W. Zgozi, Fulvio Garibaldi, Isik K. Oray … & Fausto Tinti
The Atlantic bluefin tuna is a highly migratory species emblematic of the challenges associated with shared fisheries management. In an effort to resolve the species’ stock dynamics, a genome-wide search for spatially informative single nucleotide polymorphisms (SNPs) was undertaken, by way of sequencing reduced representation libraries. An allele frequency approach to SNP discovery was used, combining the data of 555 larvae and young-of-the-year (LYOY) into pools representing major geographical areas and mapping against a newly...

Data from: Ophrys annae and Ophrys chestermanii: an impossible love between two orchid sister species

Michele Lussu, Antonio De Agostini, Michela Marignani, Annalena Cogoni & Pierluigi Cortis
The biological concept of species is founded on the presence of barriers that limit the gene flow and species delimitation represents a vivid topic in orchids. Studies on the reproductive isolation in mediterranean orchids often examine the gene flow between co-occuring species providing a relevant understanding of how species boundaries are maintained. In Ophrys, the role of post-mating boundaries are always been tought to be weak and, despite the relevant morphological and ethological differences, low...

Data from: Sex-biased dispersal obscures species boundaries in integrative species delimitation approaches

Jonas Eberle, Erika Bazzato, Silvia Fabrizi, Michele Rossini, Mariastella Colomba, Davide Cillo, Marco Uliana, Ignazio Sparacio, Guido Sabatinelli, Rachel Warnock, Giuseppe Carpaneto & Dirk Ahrens
Accurate delimitation of species is crucial for a stable taxonomy, which provides the foundation for the study of evolutionary biology, ecology and essentially all biological disciplines. Several approaches towards impartial and repeatable taxonomic practices are available but all existing methods have potentially unacceptable shortcomings. In particular, problems can arise when the underlying model assumptions are violated, for instance in the presence of reduced gene flow. This is observed in the context of sex-biased dispersal, which...

Combining conservation status and species distribution models for planning assisted colonisation under climate change

Gabriele Casazza, Thomas Abeli, Gianluigi Bacchetta, Davide Dagnino, Giuseppe Fenu, Domenico Gargano, Luigi Minuto, Chiara Montagnani, Simone Orsenigo, Lorenzo Peruzzi, Lucia Varaldo & Graziano Rossi
Effects of climate change are particularly important in the Mediterranean Biodiversity hotspot where rising temperatures and drought are negatively affecting several plant taxa, including endemic species. Assisted Colonisation (AC) represents a useful tool for reducing the effect of climate change on endemic plant species threatened by climate change. We combined SDMs for 188 taxa endemic to Italy with the IUCN red listing range loss threshold under criterion A (30%) to define: a) the number of...

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