Acoustic seabed classification and mapping of seagrass Posidonia oceanica (L.) Del. meadow

Vesna MAČIĆ*¹, Claudio BADIN² and Zoran KLJAJIĆ¹

1Institute of marine biology-Kotor, P.Box 69; 85330 Kotor; Montenegro

2FARO, Via Lemone, 10/B; 33170 Pordenone; Italy

Bottom classification based on echo features and multivariate statistics is now a well established procedure for habitat studies and other purposes as well. The purpose of our work was to identify and map Posidonia meadows using digital seabed classification on the south-west part of St. Nicola island (Montenegrian coast). We used the QTC VIEW system to capture the full waveform acoustic data and than using software QTC IMPACT we identified the best features combinations to distinguish groups of echoes representing different seabed (Posidonia meadow, send, rock etc.). For each recorded echo we tagged coordinates from GPS so we have necessary information’s for positioning of classified seabed.

As part of MAMA EU Programme (The Mediterranean network to Assess and upgrade Monitoring and forecasting Activity in the region) we are planning to map greater meadows of Posidonia in the Montenegrian coast.

Institut  za Biologiju Mora, Kotor, Crna Gora

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