Climate-linked disease injures Alaska's salmon

Full story: Baltimore Sun

With a sickening thud, another hefty and handsome salmon lands in the waste barrel, headed for the dogs.

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Goldwater Guy

Washington, DC

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Judge it!
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#1
Sep 14, 2008
 
I wonder what Sarah Palin would say to this?
BushBot

Woodbridge, VA

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Judge it!
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#2
Sep 16, 2008
 
Parasites are part of the food chain. Habitat scientist cannot ignore this but may have little effect in quelling the problem. Be it man-made climate change or just plain climate change, the salmon will eventually evolve past this parasite, but it may take several years for it to happen. Salmon have been around for a long long time and I don't think that a parasite will be able to take them all out. I have my doubts about the alarm.

In the Gaia hypothesis, James Lovelock stated that the entire mass of living matter on Earth (or any planet with life) functions as a vast homeostatic superorganism that actively modifies its planetary environment to produce the environmental conditions necessary for its own survival. In this view, the entire planet maintains homeostasis. Whether this sort of system is present on Earth is still open to debate. However, some relatively simple homeostatic mechanisms are generally accepted. For example, when atmospheric carbon dioxide levels rise, certain plants are able to grow better and thus act to remove more carbon dioxide from the atmosphere. When sunlight is plentiful and atmospheric temperature climbs, the phytoplankton of the ocean surface waters thrive and produce more dimethyl sulfide, DMS. The DMS molecules act as cloud condensation nuclei, which produce more clouds, and thus increase the atmospheric albedo and this feeds back to lower the temperature of the atmosphere. As scientists discover more about Gaia, vast numbers of positive and negative feedback loops are being discovered, that, together, maintain a metastable condition, sometimes within very broad range of environmental conditions.

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