Internal Cycle of Seminars at IMEDEA (CISI) consist on a cycle of seminar presentations given mainly by doctoral students, masters and junior postdocs, although it is not closed to other staff, such as visitors and staff, that take place every Friday from 12:00 p.m. to 12:30 p.m in the seminar room os IMEDEA.

This represents a great opportunity to learn more about the research carried out at the Institute and to bring those with less experience , the chance of increasing their presentation and public speaking skills. Afterwards, there will be coffee and some biscuits  😉 We strongly encourage you to participate. Join us!

Do you want to participate with a presentation? Please contact the organising team:

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Featured Seminars
Internal Cycle of Seminars IMEDEA - Francisco Criado- «Mid-Term Beach Monitoring and Shoreline Change Detection: A Case Study of Son Bou Beach, Menorca»
Asbtract Beaches play a crucial role in protecting coastlines from wave energy, acting as the final barrier against coastal erosion. Sandy beaches are particularly susceptible to climate change effects, such as sea level rise and storminess. Understanding the dynamics of these environments amid ongoing changes is essential for designing effective adaptation measures and management strategies. However, the various factors influencing beach morphodynamics, coupled with their dynamic nature, render the integrated monitoring of these areas both resource-intensive and challenging in terms of time, human involvement, and economic resources. Therefore, long-term and high-frequency data-sets, including morphological and wave data, remain scarce in the literature. In this talk, I will present the preliminary results of the analysis of the Son Bou Beach (Menorca, Spain) data-set, with over 13 years (2011-2023) measurements, generated by the Modular Beach Integral Monitoring Systems (MOBIMS) from the Balearic Islands Coastal Observing and Forecasting System (SOCIB). The analysis focuses on characterizing the mid and short-term response of Son Bou beach by means of the shoreline position-change detection. A negative trend in beach width was observed, as well as different responses along the beach. The presence of a coastal lagoon and its opening periods have a significant impact on the beach behavior.

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Internal Cycle of Seminars IMEDEA - Aina Pons - «Exploring the connection between the social network and the gut microbiome in a wild marine fish population»




The animal gut hosts diverse bacterial communities that can affect the individual’s behavior, physiology, and metabolism. However, the relationship between an individual’s microbiome and its social behavior in the wild is poorly understood. We tested the hypothesis that social behavior in the wild is correlated with the gut microbiome composition in a marine fish (Xyrichtys novacula). Relying on high-resolution acoustic telemetry, we first obtained a high-quality positioning data set from 232 individuals (153 females and 79 males). From these data, we computed the associations between paired individuals and found a harem-like social structure. Territories were formed by one male and several females, and males displayed agonistic behaviors towards their neighbors to defend territories. Subsequently, a sample of the social network was captured, and the diversity of the gut microbiome was quantified using operational phylogenetic units (OPUs) based on the analysis of 16S rRNA gene amplicons using Illumina high throughput sequencing. The social network properties were strongly correlated to the gut microbiome. Individual microbiome samples of fish from the same harem (including from different sex) were more similar to each other, while differences to other harems were strong. The use of similar local microhabitats, including food resources, as well as local social contact can both provide key transmission pathways for gut symbionts that shape gut microbiota, structuring the microbiome along social networks in aquatic animals. This work is among the first to show a relationship between social structure and the microbiome in a fish species in the wild. Further work is needed to reveal cause-and-effect relationships into whether the social network shapes the microbiome or the microbiome and the resulting metabolites shape certain behaviors that in turn create the network structure.


Link to the video here