Periodically, starfish population explodes.
海星的数量会周期性地激增。
Now, in small numbers, the starfish don't affect coral reefs dramatically.
现在，海星数量很少，对珊瑚礁的影响也不大。
Low salinity and high temperatures favor the survival of the starfish larvae.
低盐度和高温有利于海星幼虫的生存。
I guess I should have asked, "Why are you throwing starfish in the ocean?"
我想我本来应该问的是，“你为什么要把海星扔进海里呢？”
The first hypothesis is that low salinity and high temperatures favor the survival of the starfish larvae.
第一个假设是低盐度和高温有利于海星幼虫的存活。
Bcause we aren't sure of the causes for starfish population increases, it's difficult to prevent them.
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。
In the oceans, you can find starfish and sea horses. They are interesting and beautiful sea animals.
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。
There is little evidence that the storms have caused the enough reef damage to create a food shortage for these starfish.
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。
For example, during the 1960s, there was an outbreak of CoT starfish in the Great Barrier Reef, off the east coast of Australia.
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。
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.
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。
她找到了一只海星。
这只海星是紫色的。
我正在找一只海星。
This is a starfish. The starfish has five legs.
这是一只海星，它有五条腿。
The faster-growing species are the preferred food of the CoT starfish.
刺冠海星更喜欢吃长得快的物种。
With a decline in starfish predators, the starfish population can increase.
随着海星捕食者的减少，海星的数量会增加。
There is also a starfish. The starfish is on the side of Changhai Sea for many years.
这还有一只海星，这只海星是长海那边的海星，已经好多年了。
There are fish and snails that eat starfish, particularly the giant triton snail, which is the main predator of the starfish.
有些鱼和蜗牛以海星为食，特别是巨型法螺蜗牛，它是海星的主要天敌。
Larval CoT starfish eat phytoplankton in their first month of life, so more fertilizer in the ocean means more phytoplankton, which means more starfish, bad for the reefs.
年幼的刺冠海星在出生后的第一个月就以浮游植物为食，所以海洋中肥料越多，浮游植物就越多，也意味着海星越多，这对珊瑚礁非常不利。
Luckily, the CoT starfish population gradually declined on its own and the reefs recovered.
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。
The Cot starfish is found on coral reefs in the tropical Pacific Ocean and it eats coral.
刺冠海星生活在热带太平洋的珊瑚礁上，以珊瑚为食。
These nutrients have an effect on the starfish, because they cause an increase in the growth of phytoplankton.
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。
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.
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。
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.
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。
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.
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。
When an outbreak of CoT starfish occurs, they thin out the fast-growing coral and may give the slower ones a chance to reestablish.
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。
Crown of thorns starfish normally live in high population densities.
刺冠海星通常生活在聚居的环境中。
The crown of thorns starfish is a coral reef predator that preys on coral polyps.
刺冠海星是一种以珊瑚虫为食的珊瑚礁捕食者。
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.
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。
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.
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。
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