High Nitrogen Retention Early in Stream Succession Is Probably Due

question 1

Multiple Choice

High nitrogen retention early in stream succession is probably due to

• A) nitrogen fixation by aquatic fungi.
• B) increasing biomass of algal and animal populations.
• C) increasing nitrogen inputs from surrounding terrestrial soils.
• D) increasing binding of nitrogen to developing organic sediments.
• E) reduced denitrification following disturbance.

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