At the Hubbard Brook Experimental Forest stream nitrogen has decreased because of
A) decreased atmospheric nitrogen.
B) disturbance of the vegetation by a hurricane.
C) increased microbial denitrification.
D) increased immobilization of nitrogen in soil.
E) none of the above
Correct Answer:
Verified
Q12: In a nutrient spiral,
A) nutrients are transported
Q13: The two main limiting processes in nutrient
Q14: Studies of nutrient cycles at Hubbard Brook
Q15: When organic phosphorus is added to streams
A)
Q16: During the Cambrian explosion,
A) photosynthesis evolved.
B) all
Q18: The phosphorus cycle is driven by the
Q19: Photosynthetic plants are not usually limited by
Q20: The variance in the pools and fluxes
Q21: The movement of nutrients in ecosystems is
Q22: Nutrient fluxes occur by physical and biological
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