刺冠海星更喜欢吃长得快的物种。
The faster-growing species are the preferred food of the CoT starfish.
刺冠海星通常生活在聚居的环境中。
Crown of thorns starfish normally live in high population densities.
海星的数量会周期性地激增。
低盐度和高温有利于海星幼虫的生存。
Low salinity and high temperatures favor the survival of the starfish larvae.
现在，海星数量很少，对珊瑚礁的影响也不大。
Now, in small numbers, the starfish don't affect coral reefs dramatically.
这只海星是紫色的。
她找到了一只海星。
我正在找一只海星。
刺冠海星是一种以珊瑚虫为食的珊瑚礁捕食者。
The crown of thorns starfish is a coral reef predator that preys on coral polyps.
第一个假设是低盐度和高温有利于海星幼虫的存活。
The first hypothesis is that low salinity and high temperatures favor the survival of the starfish larvae.
刺冠海星生活在热带太平洋的珊瑚礁上，以珊瑚为食。
The Cot starfish is found on coral reefs in the tropical Pacific Ocean and it eats coral.
我想我本来应该问的是，“你为什么要把海星扔进海里呢？”
I guess I should have asked, "Why are you throwing starfish in the ocean?"
因为我们不确定海星数量增加的原因，所以要预防就很难了。
Bcause we aren't sure of the causes for starfish population increases, it's difficult to prevent them.
幸运的是，刺冠海星的数量渐渐地自发减少了，珊瑚礁也恢复了。
Luckily, the CoT starfish population gradually declined on its own and the reefs recovered.
这些营养物质会对海星产生影响，因为它们会增加浮游植物的生长。
These nutrients have an effect on the starfish, because they cause an increase in the growth of phytoplankton.
有条件的游客可以考虑在斐济群岛波塞冬海底度假胜地与海星共度一晚。
Travellers with plenty of cash to spare can consider spending a night with the starfish at the shining Poseidon Undersea Resort in the Fiji islands.
在海洋中，你能看到海星以及海马，它们都是很有趣、很美丽的海洋动物。
In the oceans, you can find starfish and sea horses. They are interesting and beautiful sea animals.
突变是所有基因差异的最终原因,包括人类和香蕉，海星和伞菌之间差异。
Mutations are the ultimate cause of all the genetic differences, including the differences between a human and a banana, between a starfish and a toadstool.
几乎没有证据表明，风暴造成了足够的珊瑚礁破坏，造成这些海星的食物短缺。
There is little evidence that the storms have caused the enough reef damage to create a food shortage for these starfish.
例如在20世纪60年代，在澳大利亚东海岸的大堡礁，刺冠海星的数量暴增。
For example, during the 1960s, there was an outbreak of CoT starfish in the Great Barrier Reef, off the east coast of Australia.
棘冠海星很大，直径长达25到35厘米，有7到21条手臂，上面布满了刺。
The crown of thorns starfish is large, twenty-five to thirty-five centimeters in diameter, and has seven to twenty-one arms that are covered in spines.
如果一些珊瑚礁被风暴摧毁了，居住在那些珊瑚礁上的海星种群将不得不集中在剩下的珊瑚礁上。
If some reefs are destroyed by storms, starfish populations that inhabited those reefs would have to condense and concentrate on the reefs that are left.
当刺冠海星爆发时，它们会使快速生长的珊瑚变薄，并可能给生长缓慢的珊瑚一个重新生长的机会。
When an outbreak of CoT starfish occurs, they thin out the fast-growing coral and may give the slower ones a chance to reestablish.
现在，让我们来看一个自然捕食者的具体例子，它会对珊瑚礁造成很大的伤害——那就是刺冠海星。
Now let's focus on a specific example of a natural predator that can cause a lot of damage to coral reefs—the Crown of Thorns, or CoT starfish.
好的一面是，我们在所有关于起因的研究中，发现了一些关于海星数量如何影响珊瑚礁多样性的内容。
On the bright side, in all the research being done on causes, we have discovered something related to how starfish populations might affect coral reef diversity.
例如，新的调查技术使我们能够在海星很小的时候就发现它们的数量增加，所以我们可以为它们做好准备。
For example, new survey techniques have enabled us to detect population increases when the starfish are quite young, so we can be ready for them.
有一种假说认为，这是一种自然现象；在特别适合产卵的那几年后，刺冠海星自然会经历种群数量的波动。
One hypothesis is that it's a natural phenomenon, that the starfish naturally undergo population fluctuations following particularly good spawning years.
海星消失后，物种多样性急剧下降。
When sea stars are removed, species diversity falls sharply.
这座巨大的建筑看起来像一只海星。
这是一只海星，它有五条腿。
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