This link has been bookmarked by 7 people . It was first bookmarked on 16 Apr 2008, by whiteknoll.
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10 Dec 13
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23 Oct 13
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The temperature is cooler at the source than it is at the mouth.
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The water is also clearer, has higher oxygen levels, and freshwater fish such as trout and heterotrophs can be found there.
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middle part of the stream/river,
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the width increases, as does species diversity
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quatic green plants and algae
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mouth of the river/stream,
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water becomes murky from all the sediments
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decreasing the amount of light that can penetrate through the water
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less light, there is less diversity of flora
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oxygen levels, fish that require less oxygen, such as catfish and carp, can be found.
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lower
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29 Nov 11
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15 Sep 09
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15 Jul 09
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19 May 09
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16 Apr 08
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