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Niʻihau (Hawaiian: [ˈniʔiˈhɐw]), anglicized as Niihau (/ ˈ n iː (i) h aʊ / NEE-(ee-)how), is the westernmost main and seventh largest island in Hawaii. It is 17.5 miles (28.2 km) southwest of Kauaʻi across the Kaulakahi Channel .
Robinson has been credited for keeping numerous Hawaiian plants from becoming extinct, [7] including Cyanea pinnatifida, which is considered extinct in the wild. I've spent eighteen years and more than $250,000 doing this work, and I estimate it would cost the government or environmental groups $10–20 million to create a comparable reserve.
The chain was produced by the movement of the ocean crust over the Hawaiʻi hotspot, an upwelling of hot rock from the Earth's mantle. As the oceanic crust moves the volcanoes farther away from their source of magma, their eruptions become less frequent and less powerful until they eventually cease to erupt altogether.
The blue graph shows the apparent percentage (not the absolute number) of marine animal genera becoming extinct during any given time interval. It does not represent all marine species, just those that are readily fossilized.
Located about 2,300 miles (3,680 km) from the nearest continental shore, the Hawaiian Islands are the most isolated group of islands on the planet. The plant and animal life of the Hawaiian archipelago is the result of early, very infrequent colonizations of arriving species and the slow evolution of those species—in isolation from the rest of the world's flora and fauna—over a period of ...
Despite the world's last captive thylacine dying in 1936, the secretive animal wasn't declared extinct until 1986. More recently in 2007 the Baiji dolphin , a rare river dolphin native to China ...
The islands of East Polynesia (including New Zealand, Hawaii, and Easter Island) were among the last habitable places on earth colonized by humans. [3] Estimates for the timing of Polynesian settlement in Hawaii have been uncertain, [ 4 ] but a 2010 study based on radiocarbon dates of more reliable samples suggests that Hawaii was first settled ...
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