MADAGASCAR: Heads It's a Continent, Tails It's an Island

作者: Maarten J. de Wit

DOI: 10.1146/ANNUREV.EARTH.31.100901.141337

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摘要: ▪ Abstract Neither geologists nor biologists have a definition that is capable of classifying Madagascar unambiguously as an island or continent; can they incorporate Malagasy natural history into single model rooted in Africa Asia. microcosm the larger continents, with rock record spans more than 3000 million years (Ma), during which it has been united episodically with, and divorced from, Asian African connections. This reflected its Precambrian deep crustal tectonics Phanerozoic biodiversity fluctuated between cosmopolitanism parochialism. Both vicariance dispersal events over past 90 Ma blended unique endemism on Madagascar, now decline following rapid extinctions started about 2000 ago.

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