Carbon Credits (Carbon Farming Initiative—Reforestation and Afforestation 2.0) Methodology Determination 2015
78Validation test
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78 Validation test
(1) A project proponent must perform the validation test specified in this section at the following times within the stratum to which the allometric function is to be applied:
(a) for a regional function—during the first reporting period that the regional function is to be applied within the stratum;
(b) when a stratum specific function is to be converted to a regional function as specified in section 71.
(2) The validation test performed at the times specified in subsection (1) must be carried out as part of a full inventory conducted within the stratum to which the validation test is to be applied.
(3) Predictor measures must have been collected from all project trees that:
(a) are of the tree type relevant to the allometric function against which the validation test will be applied; and
(b) occur within the TSPs established within the stratum during the full inventory.
(4) The project trees specified in subsection (3) must be ranked according to size.
(5) The smallest and largest of the project trees specified in subsection (3) must be selected for assessment as test trees.
(6) The remaining project trees specified in subsection (3) must be divided into at least 5 size classes by their predictor measures.
(7) Subject to subsections (8) and (9), an equal number of project trees must be randomly selected as test trees from each size class determined in accordance with subsection (6).
(8) A minimum of 10 test trees, including the 2 trees selected in accordance with subsection (5), must be selected.
(9) Subject to subsections (10) and (11), the steps set out at subsection 68(8) must be followed to achieve random selection from within each size class.
(10) If there are exactly 10 project trees of the relevant tree type represented in all TSPs established within the stratum during the full inventory, each project tree may be selected instead of applying the random selection process referred to in subsection (9).
(11) If there are fewer than 10 project trees of the relevant tree type occurring within TSPs established with the stratum during the full inventory, a project proponent must choose one of the following 2 options:
(a) establish further TSPs in accordance with this Division until the tree type is sufficiently represented to allow the process specified in subsection (9) or (10) to be undertaken;
(b) assume the carbon stock for that tree type is zero whenever it is included within a TSP or PSP.
(12) In the case where the option specified in paragraph (11)(b) is selected, no further steps of the validation test set out in this section need to be conducted.