The decline of Falkland Islands penguins in the presence of a commercial fishing industry

Las islas Falklands son un lugar importante para tres especies de pinguinos, pinguino papua (Pygoscelis papua), pinguino de penacho amarillo (Eudyptes c.chrysocome) y pinguino de Magallanes (Spheniscus magallanicus). Recientemente estas especies han disminuido 84 % en estas islas. En la costa de Sudamerica los pinguinos no disminuyeron. Se sospecha que la causa es una reduccion de peces y calamares debido a los barcos de pesca comercial que operan en aguas de las Islas Falklands. En 1995 el pinguino papua y el pinguino penacho amarillo terminaron sus disminuciones y ya parece que sus poblaciones estan en equilibrio, pero en un numero mucho mas bajo que antes que los pescadores comenzaron 20 anos atras. El pinguino de Magallanes todavia disminuye en las Islas Falklands. El pinguino de Magallanes depende mas de especies de calamares y peces capturados por barcos de pesca comercial. Avisos de proteccion de la fauna no fueron suficientes para impedir que 1998 comenzaras exploraciones petroleras en las Islas Falklands. Tres derrames de petroleo ocurrieron en cinco meses, y cientos de pinguinos murieron. La torre de perforacion se fue despues de cinco meses, y no ocurrieron mas derrames de petroleo. Nuevamente van a comenzar a buscar petroleo, sin mejorar la proteccion para la fauna. El turismo ha crecido rapidamente en las Islas Falklands, y la mayoria de los turistas llegan para ver los pinguinos. Investigaciones de poblaciones y exito reproductivo indican que aun no hay efectos perjudiciales para los pinguinos por esta actividad. En este trabajo se investigan las causas potenciales de la disminucion de pinguinos en las Islas Falklands y se hacen compariciones con poblaciones en Chile que parecen saludables

• Publication year

  2002

• Venue

  Revista Chilena de Historia Natural

• Publication date

  2002-12-01

• Fields of study

  Not labeled

• Identifiers
  DOI 10.4067/S0716-078X2002000400014
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar

• No claims are published for this paper.

• No concepts are published for this paper.

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