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| Brito, C.; Carvalho, I.; Reiner, F.. |
| S. Tomé and Príncipe archipelago has been reported as a possible breeding ground for humpback whales (Megaptera novaeangliae) since the whaling period. More recently, the sightings of humpbacks whales have become more frequent off the S. Tomé Island which may indicate a recovery of the populations or the whales returning to a former concentration area of the Southern Hemisphere population. Our objective was to study the occurrence of humpback whales group types and surface activities in this area. Between July 2002 and January 2003, a total of 110 boat-based surveys were conducted around the S. Tomé Island and Rolas Island. When we sighted the animals, recordings of GPS positions, group size, group composition and activity were made. Single whales and... |
| Tipo: Conference Material |
Palavras-chave: Aquatic mammals. |
| Ano: 2003 |
URL: http://hdl.handle.net/1834/717 |
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