When the sea returns, it brings cool oxygenated water back to the reef. 凉爽而富含氧气的海水随着涨潮重新流入珊瑚礁中。 The relief, though is short-lived. 但只带来了片刻的缓和平静。 Larger sharks gather at the reef'...
With the tropical sun beating down, the exposed flat is one of the most hostile environments on the reef, for a fish caught out here, it should mean certain death. 在热带炎日的暴晒之下，裸露出的平地是珊瑚礁最为残酷的地方之一...
During the lowest tides,the water runs off and whole sections of living coral are normally beyond the water,are exposed. 最低潮时，海水流干，活珊瑚露出全貌。正常情况被淹没在水底的部分得以展现。 The level of water o...
It is also the largest green turtle breeding ground in the world. 这里还是世界上最大的绿海龟繁殖地。 Having mated ashore, thousands of females pull themselves up the beach to lay their eggs. 它们在浅海交配，成千上万只雌海...
Some come and go in a matter of days. 有一些形成和消失只在几天间。 Others build and grow and can last for years. 其他的生长可能要持续好几年。 As plants take root and protect them from the elements. 植物在这里生根，保...
As fast as the reef grows, parrotfish break it down again, creating a continually changing environment. 珊瑚礁一边生长，鹦鹉鱼一边吃掉它。这形成了一种持续变化的生态环境。 The constant remodelling of the reef by raveno...
I'm just going to edge onto its patch a little bit more, it could be trouble, I sense. 我将靠近她的领土边缘一点点，可能有麻烦，我能感觉到。 She can't scare me, but she just doesn't give up. 她吓不倒我，她也不放弃。...
But even he has his limits. 但它也有忍不住的时候。 On the reef, there seem to be an almost infinitely variety of ways of feeding, some fish even cultivate their own food. 在礁石中，总有各种觅食方式，一些鱼甚至自己种植食...
But she's not deterred from approaching. 但她没有打消念头离开。 What she is about to do seems almost suicidal. 她要做的看上去简直是自杀性行为。 She's feeding on tiny blood-sucking parasites, which is why the grouper allows...
Beyond them, silver belly fish never let down their guard. 除了它们以外，银钓饵鱼也从不放松警惕。 They shimmer like a thousand tiny mirrors, swilling as one of more to confuse any attackers. 它们就像许多面小镜子一样闪闪...
Some are little more than rocks, others substantial mountains, covered in woodland. 有的也就比岩石大点，其他的则是覆盖着森林的山脉。 The first British person to see that was captain Cook, who stood here in 1770, and for the fi...
Aboriginal people would have lived here too. 土著人可能生活在这里。 Hunting the wildlife in areas that are now deep underwater. 在这片目前是大海深处的原始森林里打猎。 Then the end of last ice age, ice of the poles melted...
Imagine all this activity, this constant even flow of life continuing for over 2,000 kilometers. 想象这里发生的活动，潮起潮落，绵延了2000公里。 It's hard to believe that such a hugh solid structure hasn't always been here. 很难想...
Even though, coral reefs cover less than 1% of world's oceans. 尽管珊瑚的面积还不到海洋面积的百分之一。 They contain a quarter of all known marine life. 它们却容纳着四分之一的已知海洋生物。 And the Great Barrier...
They respond to touch, temperature, currents, and the cycles of the sun and the moon. 它们对触碰，温度，洋流及日月的交替都有反应。 And their tiny movements combined to give each colony a rhythm of its own. 它们轻微的运动形...
