This was the first suggestion of algal defenses against grazing.

这是藻类抵御放牧的第一次迹象。

Sewage nutrients do increase algal growth in the harbour.

污水中的营养物的确会加快海藻的生长速度。

The algal biodiesel field is in its infancy.

藻类生物柴油领域还处于初级阶段。

The nutrients feed algal blooms, which suck up the oxygen in the water.

这些营养养育了大量藻类，这些藻类吸收水中的氧气。

Instead we suffer ever more coastal "dead zones" overrun by nitrogen-fed algal blooms.

反而是，我们比以往更多地到遭受到海岸盲区由于“富氮化”而使藻类大量繁殖的影响。

These cause the algal cells to expel the oil almost as soon as they have manufactured it.

这使得海藻细胞可以在制造出油料的同时便迅速排出。

They inserted a gene for a light-activated algal protein into mice brains, where it entered nerve cells.

他们向白鼠大脑中植入了负责表达一种光激活海藻蛋白的基因，使得光激活海藻蛋白进入大脑的神经细胞。

Here bulrushes filter and treat waste products added by waterfowl and algal production in the deep pool.

这里的芦苇过滤和对待废品、藻类产量增加了水禽深池。

When this nitrogen reaches the sea it causes a brief frenzy of algal growth which depletes the water of oxygen.

当这些氮到达了海洋时，就会引起海洋藻类生物在短时间内疯狂生长，就会耗进水里的氧气。

On a seasonal basis, algal blooms near the sea surface send pulses of organic material to the deep seafloor.

从季节更替的角度，在海面附近发生的赤潮为有机物质向深海地区的运送提供了动力。

So far, the rising sea levels, dying corals and spreading algal blooms are only minor distractions for most people.

迄今为止，对大多数人而言，海平面升高、奄奄一息的珊瑚虫、蔓延的藻花水华只不过是次要的烦恼。

United Flight 1403 burned a blend of traditional petroleum-based jet fuel and bio-jet fuel refined from algal oil.

联合航空的1403号飞机使用的就是由传统航空汽油和海藻油提供的混合双能源。

An algal bloom is a feast for the microscopic decomposers, and the dead zones can persist for months as a result.

绿潮是微生物分解者的绝佳美宴，数月之内就会出现成片的死亡之域。

It takes roughly a pound and a half of dried, pressed algae to make a pound of the algal portion of the plastic, he says.

他说，通常一磅半左右干的经过压制的海藻可以获取一磅的用来制取塑料的海藻。

Bacteria consume most of the water's oxygen when they feast on the algal blooms attracted by these abundant nutrients.

藻类在这些丰富营养的滋润下大量繁殖，细菌在享用藻类的同时又消耗掉水中的大部分氧气。

Much is washed off by rain, ending up in local watercourses where dissolved nutrients can cause algal blooms and kill fish.

大部分是被雨水冲走，沉积在当地河道并在那里溶解成营养素，这种营养素能引起当地藻类大量繁殖并造成鱼类死亡。

Nutrient pollution, such as nitrogen pollution, from lower latitudes may float north and promote algal growth in the Arctic.

低纬度地区的营养物污染，如氮污染，可能会漂向北部，促进北极藻类的生长。

These algal blooms create beautiful patterns that can stretch for hundreds of miles and trace the ocean's swirling currents.

这些藻类在洋面幻变出奇妙的图案，绵延不绝数百英里，而且还会标示出洋流迂回波折的走向。

An algal bloom has reduced the output of salmon farms in Chile, the world's second-biggest producer, unnerving investors.

世界第二大三文鱼出产国智利由于海藻过于茂盛，导致产量下降，很多投资者因此紧张不安。

And then there are the red tides of algal blooms, the plagues of jellyfish and the dead zones where only simple organisms thrive.

海洋有着血色潮水般的赤潮，海蜇泛滥成灾，形成一个只有简单的藻类疯狂生长的死亡地带。

Experiments that add iron to the sea have had mixed success, though, and may cause harmful algal blooms and ocean acidification.

尽管在海洋里增加铁的实验不是完全成功，并且这可能导致有害藻类疯长和海洋酸化。

Certain species of phytoplankton produce powerful biotoxins, making them responsible for so-called "red tides," or harmful algal blooms.

某些种类的浮游植物会产生强大的生物毒素，它们会形成所谓的“赤潮”，也叫做有害藻华。

He has located possible exits for such a channel, as well as tiny fossils of Mediterranean algal blooms formed in the past 10,000 years.

他收集了这样一个海峡可能存在的证据，如形成于10000年前的地中海海藻的小化石。

He has located possible exits for such a channel, as well as tiny fossils of Mediterranean algal blooms formed in the past 10, 000 years.

他收集了这样一个海峡可能存在的证据，如形成于10000年前的地中海海藻的小化石。

The main reservoirs of V. cholerae are people and aquatic sources such as brackish water and estuaries, often associated with algal blooms.

霍乱弧菌的主要宿主是人和水源，例如咸腥的水和河口水，常常与藻花有关。

Nature's Green Cleaner Air-dried algae (shown above) from an algal turf scrubber captured most of the nitrogen and phosphorus in the manure.

图中展示的是从藻床中取下的自然绿色海藻，海藻可以有效地分离出水源中的氮和磷，用完之后自身转化为有机肥料还可以进一步利用。

It's not unlike humans' prodigious use of fertilizers today, which can cause large algal blooms in rivers, lakes and even the Gulf of Mexico.

这和今天人类施肥惊人的相似，它导致大量的河湖底部甚至墨西哥湾的海藻出现。