Endangered Crow, Hawaiian Biodiversity, Mars Simulation. Sept. 21, 2018, Part 2
About five million years ago, the island of Kauai emerged from the ocean waves, and a new chain of island habitats was born, right in the middle of the Pacific. In those Hawaiian islands, birds would have found a multitude of microclimates, a lack of most predators, and a pretty safe spot to grow and evolve—which they did, diversifying into a wide range of species, each suited to a different lifestyle and habitat. But today Hawaii’s diverse birds are under attack by invasive mongooses, cats, rats and other predators. Some birds no longer breed in the wild and need the help of humans to reproduce and survive. Alison Greggor, a post-doctoral research associate at the San Diego Zoo’s Institute for Conservation Research, joins Ira to talk about efforts to rehabilitate the nearly extinct Hawaiian crow, the ʻAlalā, and the race to save delicate bird eggs before predators get them first.
When people talk about evolution and islands, it seems like the Galapagos get all the credit. But just like that island chain, with Darwin’s famous finches, the Hawaiian archipelago is itself a stunning natural lab for adaptation and evolution. As new lands is created and as old islands erode, the Hawaiian islands have developed a fantastic array of microclimates and habitats—and unusual species have evolved to take advantage of each one.
Perched on the side of the Mauna Loa volcano on Hawaii’s Big Island is an otherworldly experiment—a Mars colony where half a dozen crew members spend eight months living together and simulating life on the Red Planet. The location looks altogether unearthly, with rusty red rock fields that look a lot like the images being sent back from the surface of Mars. What happens when you jam six people in a 1,200 ft2 habitat for months at a time? Kim Binstead, the principal investigator on the HI-SEAS project and a professor of information and computer sciences at the University of Hawaii at Manoa, joins Ira to give a glimpse of what life is like inside.
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