Sentences with phrase «locations oxygen levels»
In some locations oxygen levels were depleted 30 %.
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At nine locations across the lake, he records water temperature, dissolved oxygen, clarity, acidity levels and saline.
«Urban organics» thus remain at higher levels longer, says Canuel, «delivering more organic material to the river mouth and increasing the likelihood that low - oxygen conditions will develop in downstream locations such as estuaries and the coastal ocean.»
A study of the 15 - mile length of Coos Bay, from the ocean to the city of the same name, finds the bay is free of toxic levels of reduced oxygen that often affect other Oregon locations.
This bacteria is anaerobic, meaning it lives without oxygen, and may increase to dangerous levels in the large intestine and cecum of a hamster that is stressed, particularly young hamsters that are being moved from one location to another.
For example, ice cores taken in various locations around the world (Greenland and Antarctica, for example) are excellent proxies; gas bubbles containing CO2 trapped in ancient ice can be measured, and the age can be determined very accurately (by counting the seasonal ice layers, or measuring the isotope levels of oxygen).