For the Land Use Scenario:
- Has the land-use designation for the area been changed?
For Other Scenarios:
- Has the vegetation attribute [forest cover or carbon content-at
maturity except for the Land Cover scenario] of the area passed a
threshold [various possible definitions; or changed by more than a
specified amount] since the last evaluation?
- Is the activity that caused the crossing of the vegetation-attribute
threshold an activity that results in the creation of ARD land (i.e.,
DHI)?
- If the vegetation does not currently meet the criterion for forest,
is it expected to grow past that threshold (all scenarios except Land
Cover)?
For All Scenarios:
- For ARD land where the ARD activity started before 2008: What was/is
the carbon stock in the beginning of the commitment period? For ARD
land where the ARD activity started after 1 January 2008: What was/is
the carbon stock at the beginning of the activity (activity-based
approach and land-based approach II)? What was/is the carbon stock
at the beginning of the commitment period (land-based approach I)?
- For ARD land: What is the carbon stock in the end of the commitment
period?
- Calculate carbon stock change as 2012 stocks from item 6 above minus
[2008 stocks or pre-activity stocks] from item 5 above.
If the option of a D-R Rule and A/R Debit Rule is adopted, then:
- For ARD land that was deforested between 1990 and 2007, limit credits
from item 7 above to the extent by which the carbon stock in 2012
exceeds those [prior to deforestation or in 1990].
- Limit any debit for afforestation and reforestation activities to
credits received previously.
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