Green Marine Algae
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 Marine Greens Sea Algae Formula by Garden Greens 90  US $8.67
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 Ocean Nutrition Green Marine Algae 30g Seaweed US $6.99
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 MARINE SEAWEED ALGAE FISH FOOD Ocean Nutrition Red Brown Green FREE Clip US $11.05
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 Red Marine Algae by Sunny Green 60 Tabs US $6.49
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 OCEAN NUTRITION GREEN MARINE ALGAE 1 OZ MARINE SEAWEED FREE SHIP IN USA US $8.99
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 Marine Green and Brown algae of the Hawaiian Islands US $51.29
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 Ocean Nutrition Seaweed Select Green Marine Algae 12oz US $2.60
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 Sallys Seaweed Salad Green Marine Algae 4pk US $3.89
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 Ocean Nutrition Green Marine Algae 12g Seaweed US $2.99
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 Ocean Nutrition Seaweed Selects Green Marine Algae Sma US $3.49
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 Garden Greens Marine Greens Sea Algae Formula US $11.00
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Green Marine Algae
freshwater algae- phosphate?
I have to do research on fresh water algae (in particular C. Vulgaris and S. obliquus) and I was just wondering on the effect of phosphate and nitrate on their growth? But I'm also curious which one has more effect since I read on literature that phosphate has more effect on fresh water green algae..and nitrate on marine algae...??
Both will act as fertilizers if applied in moderate amounts.
Phosphorous is the one which is considered to be a limiting factor to growth in freshwater algae. This simply means that there's less of it availble in the environment, so it limits the rate of growth. Think of it as if you were building bicycles. You need two wheels and a set of handlebars to make a complete bike. If wheels are made at four per hour and handlebars at three per hour, you would still only be able to make two bikes per hour. You'd just have extra handlebars left over because you can make one more than is needed for the amount of wheels that can be made in the same time. If the production of wheels sped up to eight per hour, then the handlebars would be your limiting factor.
That doesn't necessarity make phosphorous more important, though, because even if it exceeds a certain level, a plant can still only grow as fast as the next element in low abundance allows it.
And you're correct that in a marine environment, nitrate is the limiting factor instead of phosphate. And one study found iron to be a limiting factor to phytoplankton: http://www.riverdeep.net/current/2000/11/111300t_plankton.jhtml
So much depends on the environment in which the algae lives.
Marine Algal Blooms as Renewable Fuel Sources