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Marine migratory species tend to be overlooked in marine spatial planning due to limited knowledge of their habitats and migration pathways, resulting in a disconnect between animal migration ecology and spatial management decision making.
An automated algorithm for passive acoustic detection of blue whale D-calls was developed based on established deep learning methods for image recognition via the DenseNet architecture. The detector was trained on annotated acoustic recordings from the Antarctic…
Background … Satellite tags were deployed on two Antarctic blue whales (Balaenoptera musculus intermedia) in the east Antarctic sector of the Southern Ocean as part of the International Whaling Commission’s Southern Ocean Research Partnership initiative.
Directional frequency … analysis and recording (DIFAR) sonobuoys can allow real-time acoustic … localization of baleen whales for underwater tracking and remote sensing, but limited availability of hardware and software has prevented wider usage.
The decrease of atmospheric CO2 concentration recorded in Antarctic ice around 1600 AD is one of the mostsignificant atmospheric changes to have occurred during the last millennia, before the onset of the industrial period.Together with the temperature decrease…