91 Works

Microscale modelling of dielectrophoresis assembly processes

Marco Lauricella, Adriano Tiribocchi, Andrea Montessori, Fabio Bonaccorso, Sauro Succi & Keith A. Brown
This work presents a microscale approach for simulating the dielectrophoresis (DEP) assembly of polarizable particles under an external electric field. The model is shown to capture interesting dynamical and topological features, such as the formation of chains of particles and their incipient aggregation into hierarchical structures. A quantitative characterization in terms of the number and size of these structures is also discussed. This computational model could represent a viable numerical tool to study the mechanical...

Towards a taxonomically unbiased EU Biodiversity Strategy for 2030

Stefano Mammola, Nicoletta Riccardi, Vincent Prié, Ricardo Correia, Pedro Cardoso, Manuel Lopes-Lima & Ronaldo Sousa
Through the Habitats Directive (92/43/EEC) and the LIFE projects financial investments, Europe has been the world’s experimental arena for biological conservation. With an estimated budget of €20 billion/year, the EU Biodiversity Strategy for 2030 has set an ambitious goal of reaching 30% Protected Areas and ensure no deterioration in conservation trends and status of all protected species. We analyzed LIFE projects focused on animals from 1992 to 2018 and we found that investment towards vertebrates...

Core Characteristics of Learning Resource Collectors

Nancy J. Hoebelheinrich, Elizabeth Newbold, Angus Whyte, Maria Johnsson, Kerstin Helbig, Margareta Hellström, Iryna Kuchma & Mijke Jetten
As part of the Education And Training On Handling Of Research Data IG (ETHRD-IG) activities, the Learning Resource Collectors Focus Group studied the evolving landscape of learning resources on RDM topics. As we collected and listed a snapshot of current catalogues or registries of learning resources for review, we realized that a set of core characteristics could describe these types of organisations that would be useful to help people evaluate and understand the resources they...

Mediterranean Sea Ocean Colour Plankton MY L4 daily gapfree observations and climatology monthly observations

Mediterranean Sea Ocean Colour Plankton MY L4 daily gapfree observations and climatology monthly observations Product

Black Sea Ocean Colour Plankton MY L4 daily gapfree observations and climatology monthly observations

Black Sea Ocean Colour Plankton MY L4 daily gapfree observations and climatology monthly observations Product

Black Sea Ocean Colour Plankton, Reflectance, Transparency and Optics MY L3 daily observations

Black Sea Ocean Colour Plankton, Reflectance, Transparency and Optics MY L3 daily observations Product

EcoPortal Documentation

Pierfrancesco Tommasino, Lucia Vaira, Nicola Fiore, Xeni Kechagioglou & Ilaria Rosati

Giocando verso uno Sviluppo Sostenibile: il contributo della sede INGV di Porto Venere nella realizzazione di giochi didattico-scientifici

Marina Locritani, Sara Garvani, Francesca Di Laura, Silvia Merlino & Roberta Talamoni
In questo articolo descriviamo l’importanza dell’attività ludico-didattica e del linguaggio visivo per facilitare l’apprendimento ed in particolare l’esperienza della sede INGV di Porto Venere all’interno del Gruppo di Lavoro La Spezia Golfo della Scienza [Locritani et al., 2015], nell’ambito dello sviluppo di giochi scientifici. Il gruppo di lavoro ormai da dieci anni collabora nell’organizzazione di eventi di divulgazione con l’obiettivo di accrescere la conoscenza sulle grandi tematiche ambientali per la salvaguardia del Pianeta. Le premesse...

Data from: Genomic exploration and molecular marker development in a large and complex conifer genome using RADseq and mRNAseq

Marie-Joe Karam, François Lefèvre, Magda Bou Dagher-Kharrat, Sara Pinosio & Giovanni Vendramin
We combined restriction site associated DNA sequencing (RADseq) using a hypomethylation-sensitive enzyme and messenger RNA sequencing (mRNAseq) to develop molecular markers for the 16 gigabase genome of Cedrus atlantica, a conifer tree species. With each method, Illumina® reads from one individual were used to generate de novo assemblies. SNPs from the RADseq data set were detected in a panel of one single individual and three pools of three individuals each. We developed a flexible script...

Data from: First insights into the transcriptome and development of new genomic tools of a widespread circum-Mediterranean tree species, Pinus halepensis Mill.

Sara Pinosio, Santiago C. González-Martínez, Francesca Bagnoli, Federica Cattonaro, Delphine Grivet, Fabio Marroni, Zaida Lorenzo, Juli G. Pausas, Miguel Verdú & Giovanni G. Vendramin
Pinus halepensis is a relevant conifer species for studying adaptive responses to drought and fire regimes in the Mediterranean region. Deciphering the molecular basis of Aleppo pine to the Mediterranean environment is therefore needed. In this study we performed Illumina next-generation sequencing of two phenotypically divergent Pinus halepensis accessions with the aims of i) characterizing the transcriptome through Illumina RNA-Seq of two accessions, phenotypically divergent for adaptive traits link to fire adaptation and drought, ii)...

Data from: Establishment of a coastal fish in the Azores: recent colonisation or sudden expansion of an ancient relict population?

Sergio Stefanni, Rita Castilho, Maria Sala-Bozano, Joana I. Robalo, Sara M. Francisco, Ricardo S. Santos, Nuno Marques, Alberto Brito, Vitor C. Almada & Stefano Mariani
The processes and timescales associated with ocean-wide changes in the distribution of marine species have intrigued biologists since Darwin’s earliest insights into biogeography. The Azores, a mid-Atlantic volcanic archipelago located >1000 km off the European continental shelf, offers ideal opportunities to investigate phylogeographic colonisation scenarios. The benthopelagic sparid fish known as the common two-banded seabream (Diplodus vulgaris) is now relatively common along the coastline of the Azores archipelago, but was virtually absent before the 1990s....

Data from: \"Transcriptome resources for two non-model freshwater crustacean species\" in Genomic Resources Notes accepted 1 October 2014 to 30 November 2014

Mariella Baratti, Federica Cattonaro, Tiziana Di Lorenzo, Valentina Iannilli, Alessio Iannucci, Diana Maria Paola Galassi, Dragos Postolache & Giovanni Giuseppe Vendramin
The aim of this study was to characterize the whole transcriptomes of two common Mediterranean freshwater crustaceans: the copepod Eucyclops serrulatus (Fischer, 1851) and the amphipod Echinogammarus veneris Heller, 1865. Whole transcriptomic approaches may assist in studying the response to environmental pollution of species with little or no available genomic information, allowing the identification of genes involved in adaptation processes to polluted environments that can be studied in expression profile variation at a later stage....

Data from: Introgression from modern hybrid varieties into landrace populations of maize (Zea mays ssp. mays L.) in central Italy

Elena Bitocchi, Laura Nanni, Monica Rossi, Domenico Rau, Elisa Bellucci, Alessandro Giardini, Anna Buonamici, Giovanni G Vendramin & Roberto Papa
Landraces are domesticated local plant varieties that did not experienced a deliberate and intensive selection during a formal breeding programme. In Europe, maize landraces are still cultivated, particularly in marginal areas where traditional farming is often practised. Here, we have studied the evolution of flint maize landraces from central Italy over 50 years of on-farm cultivation, when dent hybrid varieties were introduced and their use was widespread. We have compared an 'old' collection, obtained during...

Data from: Comparison of pollen gene flow among four European beech (Fagus sylvatica L.) populations characterized by different management regimes

Andrea Piotti, Stefano Leonardi, Joukje Buiteveld, Thomas Geburek, Sophie Gerber, Koen Kramer, Cristina Vettori, Giovanni G. Vendramin, S Gerber, A Piotti & S Leonardi
The study of dispersal capability of a species can provide essential information for the management and conservation of its genetic variability. Comparison of gene flow rates among populations characterized by different management and evolutionary histories allows one to decipher the role of factors such as isolation and tree density on gene movements. We used two paternity analysis approaches and different strategies to handle possible presence of genotyping errors to obtain robust estimates of pollen flow...

Data from: Genetic evidence for a Janzen-Connell recruitment pattern in reproductive offspring of Pinus halepensis trees.

Ofer Steinitz, David Troupin, Giovanni G Vendramin & Ran Nathan
Effective seed dispersal, combining both dispersal and post-dispersal (establishment) processes, determines population dynamics and colonization ability in plants. According to the Janzen-Connell (JC) model, high mortality near the mother plant shifts the offspring establishment distribution farther away from the mother plant relative to the seed dispersal distribution. Yet, extending this prediction to the distribution of mature (reproductive) offspring remains a challenge for long-living plants. To address this challenge we selected an isolated natural Aleppo pine...

Data from: Spatial genetic structure in continuous and fragmented populations of Pinus pinaster Aiton

Ana De-Lucas, Santiago González-Martínez, Giovanni G Vendramin, Elena Hidalgo & Myriam Heuertz
Habitat fragmentation, i.e., the reduction of populations into small isolated remnants, is expected to increase spatial genetic structure (SGS) in plant populations through non-random mating, lower population densities and potential aggregation of reproductive individuals. We investigated the effects of population size reduction and genetic isolation on SGS in maritime pine (Pinus pinaster Aiton) using a combined experimental and simulation approach. Maritime pine is a wind-pollinated conifer which has a scattered distribution in the Iberian Peninsula...

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