These tiny things form the base of the food chain and play an important role in the global carbon cycle.
这些微小的东西构成了食物链的基础，并在全球碳循环中发挥着重要作用。
The three most important nutrient recycles are the nitrogen cycle, the carbon cycle and the one we are going to talk about today, the Phosphorus cycle.
这三种最重要的营养循环包括氮循环、碳循环和我们今天要讲的磷循环。
The production of UDPGIC starts with carbon compounds entering the pentose phosphate cycle.
UDPGIC的生产始于碳化合物进入戊糖磷酸循环。
But their Numbers have dwindled since the dawn of the 20th century, with unknown consequences for ocean ecosystems and the planet's carbon cycle.
但自20世纪初以来，它们的数量已逐渐减少，随之而来的是由此对海洋生态系统和全球碳循环产生的未知后果。
If that idea is confirmed, it will need to be incorporated into the computer models used to understand the Earth's carbon cycle and its effect on the climate.
如果这个想法被证实，则首先要将其合成为用以理解地球碳循环和其在气候中效应的计算机模型。
In the natural carbon cycle, plants absorb CO2 as they grow.
在大自然的碳循环中，植物生长时吸收CO2。
Some scientists think that massive ocean extinction events in the past caused Earth's carbon cycle to fluctuate wildly for millions of years afterwards.
一些科学家认为过去大量海洋生物的灭绝，将引起数百万年后地球碳循环上下幅度变大。
When oceanographers study these samples, they can see changes in the carbon cycle during the PETM.
当海洋学家研究这些样本时，他们可以看到在古新世-始新世极热时期碳循环的改变。
What seems certain is that the nitrogen cycle is changing faster and more profoundly than the carbon cycle, which has attracted much more attention.
显而易见的是，「氮循环」比「碳循环」更可怕，变迁得更快，影响也更广泛，不过大家比较关心的却还是「碳循环」。
They include disruption to the Marine food web and effects on the world's carbon cycle.
它们包括对海洋食物链破坏和对全球碳循环的影响。
It is becoming increasingly clear that inland water systems play an important role in the global carbon cycle, in spite of the fact that they only cover 3 percent of the land area of the Earth.
现在越来越清楚，内陆水域系统在全球碳循环中发挥着重要的作用，尽管事实上它们只占地球陆地面积的3%。
This is a crucial but understudied compartment of the global Marine carbon cycle, which has been of key importance throughout Earth history and it is still at present.
这是全球海洋碳循环重要的替代部分，其重要性贯穿地球历史，而且依然存在。
In the natural carbon cycle, plants absorb CO2 as they grow. When they die and decompose, this returns to the atmosphere.
在正常的碳循环中，植物生长时会吸收二氧化碳，死亡腐烂后，二氧化碳重新回到大气中。
Ifpeak oil theorists are correct, we will have largely discontinued our use of fossil fuels and the carbon cycle may be able to handle slow releases of CO2 from storage.
如果石油峰值理论家们是正确的，我们终将面临大规模的化石燃料供应中断，那时候可以通过库存来解决碳循环中二氧化碳排放过慢的问题。
The Earth-observation programme will receive around $2 billion to improve the forecasting of climate change and monitor the Earth’s carbon cycle and its ice sheets.
地球观测项目将获得20亿美元的资金，以用于预测气候变化和监测地球的碳循环和冰原。
Forams thus play a significant role in the carbon cycle. (Magnification 75x)
有孔虫在整个地球的碳循环过程中扮演着重要的角色。
Including man-made emissions, the Earth’s “carbon cycle” releases about 330 billion tonnes of the gas each year.
地球上的“碳循环”，包括人类社会的排放在内，每年大约释放出3300 亿吨的二氧化碳，其中的大多数是被当代所谓的“碳汇”（是指从大气中清除二氧化碳的过程、活动或机制）吸收掉。
The oceans are a key part of the natural carbon cycle, in which carbon dioxide is circulated between the land, seas and atmosphere.
在自然的碳循环中，二氧化碳于陆地、海洋和大气中流通，海洋是其中一个关键的环节。
The carbon cycle has thus acquired another epicycle, and become even more complicated to understand than it was.
碳循环因此又得纳入另一个亚循环，以致变得更加复杂难以理解。
The carbon cycle influences the rate at which mountains weather down into seas, the deep circulation of ocean waters helps govern the ebb and flow of ice sheets, and so on.
碳循环影响了山脉夷为海洋的速度，海水深度循环有助于控制冰川消逝和流动，诸如此类。
Researchers think that the carbon cycle turns over about 330 billion tonnes of carbon dioxide each year. Oceans absorb about half this.
研究人员认为，每年碳循环都会周转大约3300亿吨二氧化碳，其中的一半都被海洋吸收。
Researchers think that the carbon cycle turns over about 330 billion tonnes of carbon dioxide each year.
研究者认为，碳循环每年周转大约3亿3千万吨二氧化碳。
As a base to analyze the terrestrial carbon cycle and dynamic, forest biomass estimation has been one of important contents of ecology and global change study.
森林生物量估算是进行陆地生态系统碳循环和碳动态分析的基础，业已成为生态学和全球变化研究的重要内容之一。
With the additional data that the satellites provide, researchers hope finally to shed light on the Earth's complicated carbon cycle.
研究人员希望通过卫星所提供的新数据，对地球复杂的碳循环加以阐释。
The carbon cycle is the cycle in which carbon is exchanged between the hydrosphere, atmosphere, biosphere, and geosphere of the Earth.
碳循环是循环中，碳是交换之间的水，大气，生物圈，地圈的地球。
Global temperature change caused by the greenhouse gases is one of hotspot of the global change studies. Global carbon cycle study is a key to the change.
温室气体引起的全球温度的变化是全球变化研究的热点之一，全球碳循环研究是理解这种变化机制的根本途径。
Global temperature change caused by the greenhouse gases is one of hotspot of the global change studies. Global carbon cycle study is a key to the change.
温室气体引起的全球温度的变化是全球变化研究的热点之一，全球碳循环研究是理解这种变化机制的根本途径。
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