Biologi
Net Biomass Growth
Hej
Jeg har lidt svært ved hvordan jeg skal løse denne opgave:
The soil carbon content increases by 30 g C m-2 yr-1, the net primary productivity is 700 g m-2 yr-1 and the net biomass growth of the plants is 220 g C m-2 yr-1? Which of the following answers is correct?
1) The net balance of the ecosystem is 250 g C m-2 yr-1
2) The net balance of the ecosystem is 730 g C m-2 yr-1
3) The net balance of the ecosystem is 450 g C m-2 yr-1
4) The net balance of the ecosystem is 30 g C m-2 yr-1
5) The net balance of the ecosystem is 220 g C m-2 yr-11
Tak på forhånd
Svar #1
17. maj kl. 08:46 af Martin2Holte
Net balance=Increase in soil carbon+Net biomass growth
Net balance=30g C m−2yr−1+220g C m−2yr−1=250g C m−2yr−1
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