Articles by Author: Nuno Barros

Search results for Nuno Barros

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  1. Population estimates of the breeding birds of the Tinhosas islands (Gulf of Guinea), the only major seabird colony of the eastern tropical Atlantic

    Population estimates of the breeding birds of the Tinhosas islands (Gulf of Guinea), the only major seabird colony of the eastern tropical Atlantic

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    The Tinhosas islands, in São Tomé e Príncipe, host the most important seabird breeding colony in the Gulf of Guinea, but information on its conservation status was hitherto unpublished or anecdotal, the last assessment having been performed in 1997. A...
  2. An updated assessment of the seabird populations breeding at Príncipe and Tinhosas

    An updated assessment of the seabird populations breeding at Príncipe and Tinhosas

    Item type: Journal Article • Journal: Ostrich: Journal of African Ornithology
    The Príncipe Autonomous Region is recognised as a marine biodiversity hotspot, although little is known about the status of its marine fauna. It holds most breeding seabirds of the tropical eastern Atlantic Ocean. Based on anecdotal accounts of increased fishing...
  3. Fertilising Eucalypt Plantations on the Brazilian Savannah Soils

    Item type: Journal Article • Journal: South African Forestry Journal
    Eucalypt plantations have been the main source of wood for pulp and charcoal in Minas Gerais State, Brazil. A considerable part of these plantations is located in the savannah area where soil fertility is low and fertiliser application is necessary...
  4. Identification of acoustic targets off Angola using General Discriminant Analysis

    Identification of acoustic targets off Angola using General Discriminant Analysis

    Item type: Journal Article • Journal: African Journal of Marine Science
    Pelagic fish off Angola constitute about 80% of the total fish landed and some 75% of the animal protein in the diet of the coastal population. The primary means of estimating stock abundance is through acoustic surveys, a method that...
  5. Diet of large-eye dentex <em>Dentex macrophthalmus</em> (Pisces: Sparidae) off Angola and Namibia

    Diet of large-eye dentex <em>Dentex macrophthalmus</em> (Pisces: Sparidae) off Angola and Namibia

    Item type: Journal Article • Journal: African Journal of Marine Science
    The large-eye dentex Dentex macrophthalmus is a major target species of the demersal fishery off Angola, and is taken as bycatch off northern Namibia. Its prey spectrum off Angola and Namibia is described from the stomach contents of 593 individuals...