Galápagos wildlife (original) (raw)
Dans le Parc national des Galápagos, la biodiversité est en grande partie originaire d'Amérique du Sud d'où provient la plupart des espèces-souches, mais l'isolement insulaire a fait que chaque île de l'archipel a développé sa propre faune endémique. C'est en cherchant l'explication de ce fait que Charles Darwin, qui visita ces îles en 1835, découvrit plus tard, en Angleterre et en interrogeant les éleveurs d'animaux domestiques sur leurs méthodes de sélection et de croisement, les phénomènes de la sélection naturelle et de l'évolution.
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| dbo:abstract | The Galápagos Islands are located off the west coast of South America straddling the equator. The Galápagos are located at the confluence of several currents including the cold Humboldt Current traveling north from South America and the traveling south from Central America make the islands cooler and provide the perfect environment for the unique mix of wildlife that inhabits the islands. These islands are volcanic in origin and were never attached to any continent. Galapagos wildlife arrived here in one of three ways: flying, floating or swimming. Where in most environments larger mammals are normally the predators at the top of the food chain, these animals were unable to survive the journey. Thus the giant Galápagos tortoise became the largest land animal on the islands, and due to the lack of natural predators, the wildlife in the Galápagos is known for being extremely tame without instinctual fear. The Galápagos Islands are noted as a home to a large number of endemic species. The stark rocky islands (many with few plants) made it necessary for many species need to adapt to survive here and by doing so evolving into new endemic species. It was after visiting the Galápagos and studying the endemic wildlife that inhabit the islands that a young Charles Darwin developed his theory of evolution. (en) Dans le Parc national des Galápagos, la biodiversité est en grande partie originaire d'Amérique du Sud d'où provient la plupart des espèces-souches, mais l'isolement insulaire a fait que chaque île de l'archipel a développé sa propre faune endémique. C'est en cherchant l'explication de ce fait que Charles Darwin, qui visita ces îles en 1835, découvrit plus tard, en Angleterre et en interrogeant les éleveurs d'animaux domestiques sur leurs méthodes de sélection et de croisement, les phénomènes de la sélection naturelle et de l'évolution. (fr) A fauna das Ilhas Galápagos é extremamente exuberante e única em termos de biodiversidade. Das cerca de 5 mil espécies que habitam o arquipélago, aproximadamente 2 mil não se encontram em nenhum outro lugar do planeta. A característica é explicada pelo isolamento das ilhas, fato que atrasou a chegada do homem e dificultou a introdução de espécies exóticas, permitindo que a fauna nativa evoluísse de forma separada do resto do mundo. Atualmente, porém, a presença de espécies invasoras domésticas, como cabras, gatos e ratos, já ameaça alguns dos animais nativos. (pt) |
| dbo:thumbnail | wiki-commons:Special:FilePath/Santa_Cruz_giant_tortoise_01.jpg?width=300 |
| dbo:wikiPageExternalLink | https://www.galapagos.org/conservation/conservation/project-areas/ecosystem-restoration/controlling-invasive-plants/ https://www.galapagos.org/conservation/conservation/project-areas/ecosystem-restoration/project-isabela/ http://www.birdingsiteguide.com |
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| rdfs:comment | Dans le Parc national des Galápagos, la biodiversité est en grande partie originaire d'Amérique du Sud d'où provient la plupart des espèces-souches, mais l'isolement insulaire a fait que chaque île de l'archipel a développé sa propre faune endémique. C'est en cherchant l'explication de ce fait que Charles Darwin, qui visita ces îles en 1835, découvrit plus tard, en Angleterre et en interrogeant les éleveurs d'animaux domestiques sur leurs méthodes de sélection et de croisement, les phénomènes de la sélection naturelle et de l'évolution. (fr) A fauna das Ilhas Galápagos é extremamente exuberante e única em termos de biodiversidade. Das cerca de 5 mil espécies que habitam o arquipélago, aproximadamente 2 mil não se encontram em nenhum outro lugar do planeta. A característica é explicada pelo isolamento das ilhas, fato que atrasou a chegada do homem e dificultou a introdução de espécies exóticas, permitindo que a fauna nativa evoluísse de forma separada do resto do mundo. Atualmente, porém, a presença de espécies invasoras domésticas, como cabras, gatos e ratos, já ameaça alguns dos animais nativos. (pt) The Galápagos Islands are located off the west coast of South America straddling the equator. The Galápagos are located at the confluence of several currents including the cold Humboldt Current traveling north from South America and the traveling south from Central America make the islands cooler and provide the perfect environment for the unique mix of wildlife that inhabits the islands. (en) |
| rdfs:label | Galápagos wildlife (en) Faune des îles Galápagos (fr) Fauna das Ilhas Galápagos (pt) |
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