Yesterday I reported that NASA satellites are studying all types of changes on the earth. One of NASA’s studies whose results were on their website stated that:
Scientists from Stanford University in Palo Alto, Calif., set out to see what effect reduced sea ice cover would have on the organisms that comprise the base of the Arctic marine food web, the single-celled floating algae called phytoplankton. Because these photosynthetic organisms rely on the sun to meet their energy demands, reduced Arctic sea ice cover means an increase in the amount of open water habitat suitable for algal growth. Thus, their abundance is expected to increase.
Not surprisingly, the scientists found that the growth of phytoplankton has indeed increased markedly in concert with the rapid reduction in sea ice cover over the last five years. However, they were surprised to find that this growth did not take place in the areas of the Arctic where we expected it. The researchers anticipated that areas experiencing the most dramatic loss of sea ice would show the largest increase in algal growth. However this was not the case. Algal growth did indeed rise in newly ice-free areas, but only accounted for about one third of the total Arctic increase. The majority of the increase in algal growth (70 percent) was observed in the shallow waters that ring the Arctic Ocean. In these areas, algal growth rates increased because the sea ice in these areas, algal growth rates increased because the sea ice cover was melting sooner and freezing later in the year giving the algae increasingly more time to grow.
This was nine year study using all types of satellite imagery including and MRI Spectroradiometer to compare ocean color and temperature relative to sea ice melt that was also assessed.
I read a lot of things and certain words like phytoplankton buildup tweaked my curiosity as to the difference between phytoplankton and plankton. Phytoplankton is the autotrophic component of plankton. According to Wikipedia an “autotroph is an organism that produces complex organic compounds from simple inorganic molecules using energy from light or inorganic chemical reactions. Another article I found at:
http://www.futurepundit.com/archives/002481.html didn’t differentiate between phytoplankton and plankton.
This does not bode well at all in my mind because of the blog I just wrote about explosions of methane gas into the atmosphere that are growing in size to that of meters in the ocean waters off of Namibia. If all of this phytoplankton is rapidly spreading in the shallow waters that ring the Arctic Ocean, and there are not enough fish or marine mammals in that region to eat the excess plankton (phytoplankton), doesn’t it stand to reason that this Arctic phytoplankton will go the way of plankton near Namibia? In other words, it will die and rot, creating hydrogen sulfide pockets. All that is needed is high pressure from a storm on the ocean’s surface to affect the pressure on the ocean bottom in these particularly shallow waters around the Arctic and an eruption might occur. These are the same eruptions happening off of Namibia. I realize that scientists claim these explosions are not likely to take place because of the constant churning of the ocean floor. But then there is Namibia. Explain that?
http://www.blogsmonroe.com/world/2008/04/24/mankind-contributes-to-global-warming-through-fish/
Scary stuff since the first global warming event 40 million years ago was from methane gas eruptions. The earth was eventually scorched. This just shows how delicately balanced our world really is. We fish too much, or disrupt certain species by changing habitat drastically, and something else is thrown out of kilter like phytoplankton, something so small we don’t really see it except for greenish colored water. It’s something so small, yet it can eventually kill us.
NASA website: http://www.nasa.gov/topics/earth/features/ecosystem_research_briefs.html..
Tags: Methane
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