Campbell Biology (10th Edition)

Published by Pearson
ISBN 10: 0321775651
ISBN 13: 978-0-32177-565-8

Chapter 56 - 56.4 - Concept Check: 2

Answer

The low temperatures in these regions keep net ecosystem production high by slowing decomposition.

Work Step by Step

The NEP of an ecosystem is higher in areas with lower decomposition, as there is more available carbon still in the system. Rising temperatures could increase the rate of decomposition and thereby move this carbon in the soil out into CO$_2$, which could have a negative effect on the system in addition to exacerbating climate change.
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