加利福尼亚州圣克鲁兹合众国际社报道，美国研究人员认为在礁石上进行频繁捕捞会导致海胆的迅猛繁殖，而过量的海胆则会破坏构成热带礁石系的珊瑚藻类。
SANTA CRUZ, Calif., Jan. 14 (UPI) — Overfishing of reefs leads to explosions in populations of sea urchins, which destroy coral algae that build tropical reef systems, U.S. researchers say.
珊瑚幼虫在藻类中定居，并最终形成繁盛的珊瑚群落。
Coral larvae settle among the algae and eventually establish flourishing coral colonies.
它们以藻类为食，防止藻类压垮珊瑚。
自从海胆从南佛罗里达海岸的海水中消失后，那里有许多珊瑚礁被不受控制生长的藻类所扼杀。
Since the disappearance of sea urchins from the waters up the coast of South Florida, many coral reefs there have been smothered by the uncontrolled growth of algae.
珊瑚礁面临的一个后果是，构成活珊瑚礁的珊瑚和藻类之间的共生关系正在瓦解。
One consequence for coral reefs is that the symbiosis between the corals and algae that constitute a living reef is breaking down.
随着气温升高，藻类不是死亡就是被水螅排出，从而导致珊瑚漂白化。
As temperatures rise, the algae dies or is ejected by the polyps, which leads to coral bleaching.
但鱼群会吃掉藻类，让珊瑚不会窒息而死。
But fish eat the algae, keeping it from smothering the coral.
随着全球气候变暖，海洋温度升高，珊瑚失去了赖以生存的共生藻类，褪色变白。
Global warming means warmer seas, which causes the corals to to bleach, where the creatures lose the symbiotic algae they need to survive.
事实上，珊瑚是由微小的生物体群居而成，靠与某些特定的藻类形成共生关系而存在，藻类通过光合作用为其提供氧。
Corals are actually tiny organisms that join together in colonies, and they depend on a symbiotic relationship with certain species of algae to produce energy through photosynthesis.
南太平洋最新珊瑚研究显示一些藻类在和珊瑚碰触时会释放出毒素，从而使珊瑚中毒。
A new study of reefs in the South Pacific suggests that some algae can poison coral on contact.
通过啃食藻类，食草鱼类会帮助珊瑚礁清理海草，让粉红珊瑚藻得以扎根，形成新珊瑚生长的基质。
By grazing on algae, these and other herbivores keep reefs free of seaweed, enabling pink coralline algae to take hold and form a substrate for new coral.
随后，珊瑚会迅速驱除藻类、变白。
硬和软珊瑚两者有共生关系和虫黄藻藻类，那些生活在珊瑚和给它的颜色。
Both hard and soft corals have a symbiotic relationship with zooxanthellae algae, which live in coral and give it its color.
其他形式的食物是浮游甲壳类动物和藻类，可能制定关于珊瑚或附近的岩石。
Other forms of food are planktonic crustaceans and algae that may develope on coral or nearby rocks.
现在我们还不知道这种香菇珊瑚是怎样依靠自身细胞内的藻类来捕捉水母和获取营养的。
It's not known how the mushroom corals, which rely mainly on algae in their cells for nourishment, caught the jellyfish.
正相反，在红海和毛里求斯海的珊瑚虫却不能忍受漂白，而且有很多好的可以抗高水温的藻类。
In contrast, corals in the Red Sea and Mauritius that did not suffer bleaching had only a tiny percentage of this same algae.
正相反，在红海和毛里求斯海的珊瑚虫却不能忍受漂白，而且有很多好的可以抗高水温的藻类。
In contrast, corals in the Red Sea and Mauritius that did not suffer bleaching had only a tiny percentage of this same algae.
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