WASHINGTON — Lower levels of oxygen in the Earth's oceans,
particularly off the United States' Pacific Northwest coast, moncler coats for women could be
another sign of fundamental changes linked to global climate
change, scientists say.
They warn that the oceans' complex undersea ecosystems and fragile
food chains could be disrupted.
In some spots off Washington state and Oregon , the almost complete
absence of oxygen has left piles of Dungeness crab carcasses
littering the ocean floor, killed off 25-year-old sea stars,
crippled colonies of sea anemones and produced mats of potentially
noxious bacteria that moncler men thrive in such
conditions.
Areas of hypoxia, or low oxygen, have long existed in the deep
ocean. These areas — in the Pacific,moncler down jackets Atlantic and Indian
oceans — appear to be spreading, however, covering more square
miles, creeping toward the surface and in some places, such as the
Pacific Northwest , encroaching on the continental shelf within
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"The depletion of oxygen levels in all three oceans is striking,"
said Gregory Johnson , an oceanographer with the National Oceanic
and Atmospheric Administration in Seattle .moncler women
In some spots, such as off the Southern California coast, oxygen
levels have dropped roughly 20 percent over the past 25 years.
Elsewhere, scientists say, oxygen levels might have declined by
one-third over 50 years.
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