Abundance of nifH genes in urban, agricultural, and pristine prairie streams exposed to different levels of nitrogen loading
Ecosystem processes drive biogeochemical cycles that influence input and losses of nutrients in the biosphere. Through human activities the environment has been highly enriched with nutrients, especially nitrogen. In most ecosystems, nitrogen availability should be limited, but soils and aquatic eco...
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| Format: | Others |
| Language: | en_US |
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2007
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| Online Access: | http://hdl.handle.net/10057/1118 |