Global Estimates of Denitrification in Terrestrial Ecosystems Vary Widely but Are

question 44

Multiple Choice

Global estimates of denitrification in terrestrial ecosystems vary widely but are of the order 200*1012 g/yr,and more than half of that total occurs in wetland ecosystems.If restoration results in an increase in wetland area by approximately 25%,it would be expected that losses of nitrogen through denitrification would be closer to

• A)175*1012 g/yr.
• B)225*1012 g/yr.
• C)275*1012 g/yr.
• D)325*1012 g/yr.