News dated
The Tracce nel Blu expedition ended on 9 October after setting out on 3 October along Sardinia’s coast. In its report published on 13 October, Italy’s National Research Council records 497 miles sailed, 23 hours of hydrophone listening and 30 hours of visual cetacean monitoring, with sightings of striped and bottlenose dolphins. [1]
At nine sampling stations, the CNR-Irbim team collected 108 filters for microplastic analysis. The University of Milano-Bicocca took 14 environmental DNA samples to look for traces of the monk seal. These are samples to be studied, not confirmation that the seal was present: results will feed into three reports on cetaceans, environmental DNA and microplastics. [1]
The bright side
Collecting observations and samples along the same route connects different aspects of the marine environment; validated data may support future conservation action. [1]
One idea, in simple words
A scientific expedition sailed along Sardinia’s coast from 3 to 9 October. It is called Tracce nel Blu. Researchers watched and listened for cetaceans, animals such as dolphins. They also collected 108 filters for studying microplastics and 14 samples of environmental DNA. Italy’s National Research Council published its report on 13 October. [1]
Environmental DNA includes genetic traces that living things leave in their surroundings. Here it will be used to look for signs of the monk seal. The samples must be analysed: collecting them does not mean the seal has already been found. For example, imagine an envelope of clues that still need examination. The analyses and observations will feed into three reports to improve knowledge of the sea and support possible conservation work. [1]
A little discovery to keep
What did you discover?
Straight from the source.
- Conclusa la campagna Tracce nel Blu: 497 miglia, 108 filtri di microplastiche e 14 campioni di eDNA e avvistamenti cetacei Consiglio Nazionale delle Ricerche · 13 Oct 2026
Original reporting summaries prepared with AI assistance and accessible sources. Our editorial method.



