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发表于:2018-12-26 / 阅读(60) / 评论(0) 分类 自然百科2014年

This is a known mindless killer. The shark is smart. It pitches up at the peak of the turtle nesting season, and simply waits for the tide to deliver its food.-Ah, look at that so distinctive...have the boat. Tigers are a big fan with all manner inte

发表于:2018-12-26 / 阅读(44) / 评论(0) 分类 自然百科2014年

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发表于:2018-12-26 / 阅读(74) / 评论(0) 分类 自然百科2014年

Many of the creatures are exquisitely beautiful, but some seem straight out of science fiction, while others can kill **. And just when you think you know the reef, it changes every second, every hour, every day, and every year. It's a world of conti

发表于:2018-12-26 / 阅读(84) / 评论(0) 分类 自然百科2014年

They respond to touch, temperature, currents, and the cycles of the sun and the moon. And their tiny movements combined to give each colony a rhythm of its own.The polyps can't build the reef alone. For this, they need parterners that are even smalle

发表于:2018-12-26 / 阅读(85) / 评论(0) 分类 自然百科2014年

Even though, coral reefs cover less than 1% of world's oceans. They contain a quarter of all known marine life. And the Great Barrier Reef is the biggest of them all. I still vividly remember my first dive on a coral reef over 20 years ago. And the m

发表于:2018-12-26 / 阅读(75) / 评论(0) 分类 自然百科2014年

Imagine all this activity, this constant even flow of life continuing for over 2,000 kilometers. It's hard to believe that such a hugh solid structure hasn't always been here. But compared with the rest of Australia, this reef is very young. -20,000

发表于:2018-12-26 / 阅读(94) / 评论(0) 分类 自然百科2014年

Aboriginal people would have lived here too. Hunting the wildlife in areas that are now deep underwater. Then the end of last ice age, ice of the poles melted and sea levels rose all around the round flooding this lowline coast. This happened nearly

发表于:2018-12-26 / 阅读(93) / 评论(0) 分类 自然百科2014年

Some are little more than rocks, others substantial mountains, covered in woodland. The first British person to see that was captain Cook, who stood here in 1770, and for the first time, realized the scale of the Great Barrier Reef. He also realized

发表于:2018-12-26 / 阅读(56) / 评论(0) 分类 自然百科2014年

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发表于:2018-12-26 / 阅读(84) / 评论(0) 分类 自然百科2014年

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发表于:2018-12-26 / 阅读(79) / 评论(0) 分类 自然百科2014年

But even he has his limits. On the reef, there seem to be an almost infinitely variety of ways of feeding, some fish even cultivate their own food. So they're very protective of it. There's one fish species that is so good at defending its particular

发表于:2018-12-26 / 阅读(50) / 评论(0) 分类 自然百科2014年

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发表于:2018-12-26 / 阅读(45) / 评论(0) 分类 自然百科2014年

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发表于:2018-12-03 / 阅读(65) / 评论(0) 分类 自然百科2014年

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发表于:2018-12-03 / 阅读(69) / 评论(0) 分类 自然百科2014年

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发表于:2018-12-03 / 阅读(86) / 评论(0) 分类 自然百科2014年

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发表于:2018-12-03 / 阅读(62) / 评论(0) 分类 自然百科2014年

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发表于:2018-12-03 / 阅读(53) / 评论(0) 分类 自然百科2014年

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发表于:2018-12-03 / 阅读(62) / 评论(0) 分类 自然百科2014年

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发表于:2018-12-03 / 阅读(148) / 评论(0) 分类 自然百科2014年