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Cnr-Istituto di Scienze Marine

L’Istituto di Scienze Marine del Consiglio Nazionale delle Ricerche svolge attività di ricerca fondamentale e applicata in oceanografia fisica, chimica e biologica e in geologia marina.

L’obiettivo è contribuire allo studio dei processi oceanici e della variabilità climatica, allo sviluppo di sistemi/servizi per l’osservazione, la protezione e la gestione sostenibile dell’ambiente marino e delle coste.

                               L’Istituto di Scienze Marine del Consiglio Nazionale delle Ricerche (CNR-ISMAR) svolge attività di

Ricerca Fondamentale e Applicata

in oceanografia fisica, chimica e biologica e in geologia marina con l’obiettivo di contribuire sia allo studio dei processi oceanici e della variabilità climatica che allo sviluppo di sistemi/servizi per l’osservazione, la protezione e la gestione sostenibile dell’ambiente marino e delle coste

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Eventi

Tectonic uplift history of Taiwan deduced from sedimentary records in the northern South China Sea

The tectonic evolution of Taiwan involves uplift that produced the island’s high relief and erodibility. However, characterizing these uplift processes in a geologic scale from the nature and history of the orogenic interior is challenging to directly surmise. For this study, the downcore variability of the clay mineral assemblage, illite chemistry indices, illite crystallinity values, and grain size parameters, along with the onboard magnetic susceptibility and mass accumulation rates, from International Ocean Discovery Program (IODP) Expedition 368 Site U1501, are investigated to describe the sedimentary response to the tectonic uplift and other geologic and paleoenvironmental events in relation to the formation of the Taiwan orogeny since the early Pliocene. In this study, the values of non-carbonate mass accumulation rates, (illite + chlorite) / kaolinite ratio, mass specific magnetic susceptibility and (4 – 63 μm) / (<4 μm) ratio are used to describe the terrigenous influx, the geologic processes involved, and consequently, the uplift itself, and are compared with the deformation stages related to the collision of Luzon Arc with the Eurasian Margin.

Collegamento WEBEX:
cnronline.webex.com

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In allegato la locandina del Seminario
Il gruppo seminari CNR-ISMAR, Alessandra Conversi (Lerici), Filomena Loreto (Bologna), Gianluigi Liberti (Roma) e Camilla Palmiotto (Bologna).

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News

Oceanography unveiled: empowering the next generation of marine scientists

The picturesque island of San Servolo in the Venice Lagoon, is hosting until July 20th, 2024, the the summer school “Oceanography Unveiled”, organized by the Institute of Marine Sciences of the National Research Council of Italy (Cnr-Ismar) jointly with the Venice International University (VIU), the National Institute of Oceanography and Applied Geophysics (OGS), University Parthenope Naples, University of Venice, University of Salento, Anton Dohrn Zoological Station in Naples (SZN). It is a dynamic program designed to equip young scientists with the essential skills and knowledge for writing scientific proposals in the field of oceanography. This initiative follows a series of seminars on Geophysical Fluid Dynamics, held from December 2003 to May 2024 at the Cnr-Ismar headquarters in Venice.

The primary objective of this summer school is to empower 30 participants, including research master students, graduate students, and early postdocs, with the tools needed to excel in scientific research. Over the initial three days, participants have delved into key oceanographic subjects through detailed lectures conducted by distinguished experts such as L. Talley, T. Tanhua, J. Wilkin, G. Sannino, A. Griffa, and A. Naveira-Garabato, covering a range of topics including Ocean Modelling, Global Ocean Circulation, Mixing and mesoscale and submesoscale dynamics. The school also hosted six “pitch lectures” by B. Buongiorno Nardelli, E. Sikes, F. Tanghetti, I. Haigh, A. Benetazzo, and C. Ferrarin.

These sessions have significantly enhanced participants’ understanding of ocean-related challenges. A unique feature of this program is its emphasis on the process of formulating a scientific proposal. Participants have engaged in active discussions, gleaned valuable insights from esteemed lecturers, and collectively identified unresolved issues within critical oceanic topics.

The summer school will culminate on Saturday, with participants divided into three groups (“Modeling” “Global Ocean” and “Mixing”) to present their draft research proposals. This final exercise not only reinforces the knowledge gained but also fosters a collaborative spirit among the young scientists.

Information:
Katrin Schroeder
Cnr-Ismar
katrin.schroeder@cnr.it
Jacopo Chiggiato, Cnr-Ismar, email: jacopo.chiggiato@cnr.it

See also

Seminari

Next seminar

Giovedì 8 maggio ore 14:30    –    ON LINE LINK

Gian Marco Palamara, CNR-ISMAR-Roma
“Integrated Modelling for Integrative Ecology”

ABSTRACT: Ecology is a discipline with flexible boundaries, where characterizing species interactions and ecosystem responses often requires accounting for the complexity, nonlinearity, and stochastic nature of biological and environmental processes.
In this talk, I will present different ecological case studies combining experimental and theoretical approaches to explore population and community dynamics under environmental stress and spatial heterogeneity. In the first part of the talk, we analyse long-term experiments on Daphnia galeata exposed to sublethal pesticide concentrations using a stochastic, age-structured population model. Bayesian inference reveals significant treatment effects — particularly for the insecticide Diazinon — on mortality and fertility, with clone-specific responses reflecting potential adaptation. The model also accounts for strong demographic stochasticity, supporting more reliable interpretation of ecotoxicological data. In a second case study, we develop stochastic models for multi-species systems, including food webs and metacommunities. Using continuous-time Markov processes, we revisit functional response theory, predator prey equations, and finally explore biodiversity dynamics in dynamic landscapes modelled as time-varying random geometric graphs with neutral dynamics. Among other things, our findings show that fluctuating connectivity can enhance both local and regional species richness, offering new theoretical insights into spatiotemporal drivers of biodiversity.
Together, these studies demonstrate how stochastic models can reveal hidden mechanisms in ecological systems — from controlled experiments to complex landscapes.

Gian Marco Palamara was born in Rome and trained as a physicist. For over a decade, he has worked internationally at the intersection of theoretical ecology and ecological modelling, collaborating closely with empiricists to develop robust theoretical frameworks for understanding the drivers of biological diversity. More recently, Gian Marco has been exploring integrative approaches to ecology that bridge disciplinary boundaries, drawing together insights from the mathematical, natural, and social sciences.

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