Browsing Biology by Author "Santos, Ricardo S."


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Browsing Biology by Author "Santos, Ricardo S."

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  • Silva, Monica A.; Prieto, Rui; Magalhaes, Sara; Seabra, Maria I.; Santos, Ricardo S.; Hammond, Philip S. (2008-10)
    Very little is known about the ecology of common bottlenose dolphins (Tursiops truncatus) living in oceanic waters. This study investigated the ranging and residence pattern, of bottlenose dolphins occurring in the Azores ...
  • Silva, Monica A.; Machete, Miguel; Reis, Dalia; Santos, Marco; Prieto, Rui; Damaso, Carla; Pereira, Joao Gil; Santos, Ricardo S. (2010-03)
    1. Interactions between cetaceans and fishing activity in the Archipelago of the Azores were examined using information contained in grey literature and previously unpublished data collected by observer programmes and ...
  • Querouil, Sophie; Freitas, Luis; Dinis, Ana; Alves, Filipe; Cascao, Irma; Prieto, Rui; Silva, Monica A.; Magalhaes, Sara; Matos, Jose A.; Santos, Ricardo S. (2009-01-16)
    Biological samples of free-ranging dolphins are increasingly used to gain information on population structure and ecology. In small cetaceans, the gender of individuals usually cannot be determined at sea, and population ...
  • Silva, Monica A.; Prieto, Rui; Cascao, Irma; Seabra, Maria I.; Machete, Miguel; Baumgartner, Mark F.; Santos, Ricardo S. (2013-02)
    Cetaceans living in offshore waters are under increasing pressure from anthropogenic activities. Yet, due to the lack of survey effort, relatively little is known about the demography or ecology of these populations. ...

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