In Some Ecosystems, NPP Actually Decreases at Very High Levels

question 59

Multiple Choice

In some ecosystems, NPP actually decreases at very high levels of precipitation. Which of the following is not a likely reason for such declines in NPP?

• A) Respiration of heterotrophs increases at high precipitation levels.
• B) High precipitation levels can lead to the leaching of nutrients from the soil.
• C) High precipitation levels can lead to low oxygen levels in the soil.
• D) In areas where precipitation is extremely high, it is often cloudy, decreasing the amount of available sunlight.

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