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5.7 Determining the location of plots 28

Subdivision 5.1.5 Establishing and assessing plots

5.8 Establishing and assessing plots during full inventory 30

5.9 Target probable limit of error – full inventory 30

5.10 Establishing plots 30

5.11 Plot configuration 31

5.12 Plot size 32

5.13 Identifying and marking plots 32

5.14 Plot visits during full inventory 32

5.15 Collection of information during plot visits 33

5.16 Ex post analysis of plots 34

Subdivision 5.1.6 PSP assessments

5.17 Conducting PSP assessments 34

5.18 General requirements for PSP assessments 34

5.19 Ex post analysis of PSPs 35

Subdivision 5.1.7 Plots located close to stratum boundaries

5.20 Dealing with plots located close to stratum boundaries 35

5.21 Edge plots 36

5.22 Plot carbon stocks 36

Subdivision 5.1.8 Allometric functions

5.23 Applying species specific allometric functions 36

5.24 Allometric domain 37

5.25 Regression fitting 37

5.26 Minimum data requirements 38

5.27 Minimum regression fit requirements 38

5.28 Variance of weighted residuals 39

5.29 Allometric report 39

Subdivision 5.1.9 Allometric functions for live trees

5.30 Developing allometric functions for live trees 40

5.31 Developing stratum specific functions 40

5.32 Updating pre-existing stratum specific functions 42

5.33 Regional functions 42

5.34 Converting a stratum specific function to a regional function 44

Subdivision 5.1.10 Assessing biomass sample trees

5.35 Assessing above-ground biomass of biomass sample trees 44

5.36 Assessing root biomass of biomass sample trees 45

5.37 Assessing biomass of entire biomass sample tree 46

5.38 Record keeping and reporting 46

Subdivision 5.1.11 Allometric functions for other trees

5.39 Developing allometric functions for trees other than live trees 47

Subdivision 5.1.12 Applicability of allometric functions

5.40 Testing the applicability of allometric functions 47

5.41 Compatibility checks 48

5.42 Validation test 48

5.43 Reporting requirements 50

Subdivision 5.1.13 Assessing carbon stocks in fallen dead wood and litter

5.44 Assessing carbon stocks in litter 50

5.45 Assessing carbon stocks in fallen dead wood 51

Division 5.2 Calculating project emissions

5.46 Calculating fuel emissions from project activities 52

5.47 Calculating fire emissions from a stratum 52

Part 6 Calculating the carbon dioxide equivalent net abatement amount for a project in relation to a reporting period

Division 6.1 Preliminary

6.1 General 53

6.2 Greenhouse gas assessment boundary 53

6.3 Calculating the baseline for the project 54

6.4 Requirements for calculating carbon dioxide equivalent net abatement 54

Division 6.2 Calculations

Subdivision 6.2.1 Calculating carbon dioxide equivalent net abatement amount

6.5 General 56

6.6 Calculating the carbon dioxide equivalent net abatement amount 56

6.7 Calculating uncertainty for net abatement amount 56

6.8 Calculating standard error for net abatement amount 57

6.9 Calculating degrees of freedom for net abatement amount 57

Subdivision 6.2.2 Calculating carbon stock change

6.10 Calculating carbon stock change for a project 58

6.11 Calculating carbon stock change for a stratum 59

Subdivision 6.2.3 Calculating initial carbon stocks for a stratum

6.12 Calculating initial carbon stocks for a stratum 61

Subdivision 6.2.4 Calculating closing carbon stocks for a stratum

6.13 Calculating closing carbon stocks for a stratum based on full inventory 63

6.14 Calculating closing carbon stocks for a stratum based on PSP assessment 64

Subdivision 6.2.5 Calculating lower confidence bound

6.15 Calculating the lower confidence bound for closing carbon stocks for a stratum 67

6.16 Calculating the lower confidence bound for mean ratio of change in PSP carbon stocks 67

Subdivision 6.2.6 Calculating mean ratio of change in PSP carbon stocks

6.17 Calculating the mean ratio of change in PSP carbon stocks 68

6.18 Calculating the ratio of change in PSP carbon stocks 69

Subdivision 6.2.7 Calculating mean plot carbon stocks for a stratum

6.19 Calculating mean plot carbon stocks for a stratum 70

Subdivision 6.2.8 Calculating carbon stocks in a plot

6.20 Calculating carbon stocks within a plot assessed as part of full inventory 71

6.21 Calculating carbon stocks within a PSP assessed as part of PSP assessment 72

Subdivision 6.2.9 Calculating carbon stocks in trees, fallen dead wood, and litter

6.22 Calculating carbon stocks in live trees within a plot 73

6.23 Calculating carbon stocks in live fire affected trees within a plot 73

6.24 Calculating carbon stocks in dead standing trees within a plot 74

6.25 Calculating carbon stocks in dead standing fire affected trees within a plot 74

6.26 Calculating carbon stocks in litter within a plot 75

6.27 Calculating carbon stocks in fallen dead wood within a plot 75

Subdivision 6.2.10 Calculating biomass in trees

6.28 Calculating biomass in live trees within a plot 76

6.29 Calculating biomass in live fire affected trees within a plot 76

6.30 Calculating biomass in dead standing trees within a plot 77

6.31 Calculating biomass in dead standing fire affected trees within a plot 77

Subdivision 6.2.11 Calculating project emissions

6.32 Calculating project emissions 77

6.33 Calculating fuel emissions for a stratum 79

6.34 Calculating emissions for fossil fuel types 79

Subdivision 6.2.12 Calculating emissions for fire affected strata

6.35 Calculating emissions for a fire affected stratum 80

6.36 Calculating the standard error for fire emissions 82

Subdivision 6.2.13 Calculating probable limit of error

6.37 Calculating probable limit of error for carbon stock estimates 84

6.38 Calculating number of plots required for probable limit of error 84

Subdivision 6.2.14 Calculating biomass for biomass sample trees and test trees

6.39 Calculating total biomass for biomass sample trees and test trees 85

6.40 Calculating the dry weight of biomass components for biomass sample trees and test trees 86

6.41 Calculating the variance of weighted residuals for biomass sample trees and test trees 86

6.42 Calculating the F-test statistic 87

Subdivision 6.2.15 Data collection

6.43 Project emissions 89

6.44 Project removals 89

Part 7 Monitoring, record-keeping and reporting requirements

Division 7.1 General

7.1 Application 90

Division 7.2 Monitoring requirements

7.2 Project monitoring 90

Division 7.3 Record-keeping requirements

7.3 Records that must be kept 91

7.4 Stratum records 91

7.5 Project tree measures 91

7.6 Carbon stock calculations 91

7.7 Allometric functions 92

7.8 Sampling plans 92

7.9 Quality assurance and control 92

7.10 Fuel use 92

Division 7.4 Offsets report requirements

Subdivision 7.4.1 Information that must be included in the first offsets report

7.11 General 93

7.12 Project information 93

7.13 Stratum description and status 93

7.14 Baseline land use history and forest cover history for strata 93

7.15 Quality assurance and control 94

Subdivision 7.4.2 Information that must be included in all offsets reports

7.16 General 94

7.17 Project information 94

7.18 Strata location and area 95

7.19 Stratum description and status 95

7.20 Carbon stocks for stratum 95

7.21 Carbon stocks for plots 96

7.22 Basis of allometric function applied to a stratum 97

7.23 Application of allometric functions 97

7.24 Sampling plans 98

7.25 Growth disturbance events 98

7.26 Quality assurance and control 98

7.27 Fuel use 98

Part 1 Preliminary

1.1 Name of determination

This Determination is the Carbon Credits (Carbon Farming Initiative) (Reforestation and Afforestation—1.1) Methodology Determination 2013.

1.2 Commencement

This Determination is taken to have come into force on 1 July 2010.

1.3 Definitions

In this Determination:

Act means the Carbon Credits (Carbon Farming Initiative) Act 2011.

actual location coordinates means spatial coordinates that are collected on the ground using a global positioning system, and that define the location of plots, biomass sample plots and biomass sample trees.

actual plot size means the area of a plot as physically measured on the ground.

allometric data range means the range between the smallest and largest predictor measures included within an allometric dataset.

allometric dataset means predictor measures and biomass measurements recorded from biomass sample trees which are used to develop an allometric function.

allometric domain means the specific conditions under which an allometric function is applicable.

allometric function means a species-specific regression function fitted to a scatter of data-points that relate predictor measures collected through a non‑destructive measurement process to a measure of the weight of biomass within a project tree, and includes stratum specific and regional functions.

allometric report means a document that describes a project proponent’s approach to the development of allometric functions, including descriptions of allometric data, allometric domain, regression fitting processes and outcomes of checks against regression fit requirements.

belt plantings means discrete patches of project trees that have been established in a linear or curvilinear ‘belt’ pattern where width measured across the belt is no wider than 50 metres.

biomass means dry, vegetation-derived organic matter.

biomass components means sections of trees that are divided on the basis of structure or form or both.

biomass sample plot means an area of land that occurs within a biomass sample site and is delineated in accordance with Part 5.

biomass sample site means an area of land in which biomass sample plots are randomly located and biomass sample trees are randomly selected, for the purposes of developing a regional function.

biomass sample tree means a tree selected for destructive sampling in order to develop an allometric function.

branches means the hard, woody above-ground support elements of a tree that are connected to the stem, support the crown, and have a distinct, thick bark layer.

block plantings means discrete patches of project trees that have been established so the average minimum width is greater than 50 metres.

bulked sample means a sample of litter collected through combining 4 smaller samples into a single sample.

carbon dioxide equivalent means carbon dioxide mass equivalent, calculated by multiplying the mass of elemental carbon by .

carbon fraction means the proportion, by weight, of dry organic matter that is composed of carbon.

carbon stocks means the quantity of carbon, expressed as carbon dioxide equivalent, held within project forest biomass.

centroid option means a plot established so that the actual location coordinates are located at the centre of the plot.

CFI Mapping Guidelines means the guidelines of that name, as published from time to time, to be used for mapping project areas and strata within project areas, and available on the Department’s website.

closing carbon stocks means the amount of carbon, expressed as carbon dioxide equivalent, estimated to be held within the project forest biomass occurring within a stratum at the end of a reporting period.

commencement means the point in time at which preparation of a stratum for planting begins.

consistent edge option means a plot established so that:

(a) the starting edge passes through the actual location coordinates and is aligned perpendicular to the orientation of the edges of a belt planting; and

(b) if a belt planting has:

(i) an east-west orientation, the plot is laid out toward the most westerly end of the belt planting; or
(ii) an orientation other than east-west, the plot is laid out toward the most southerly end of the belt planting;

and

(c) the plot extends across the full width of the belt planting.

constant position option means a plot established so that the actual location coordinates are located at the same relative position on the plots, for example, the most southern and eastern corner.

crown means non-woody, above-ground tree structures that include twigs, petioles, and leaves, and that are involved in photosynthesis or supporting photosynthetic structures.

crown cover means the amount of land covered by the outer limits of the crown (viewed as a horizontal cross-section) of a tree, or collection of trees.

crown radius, for a stratum, means:

(a) if an average expected radius of a fully mature project tree in the stratum can be reliably estimated—that radius; or

(b) otherwise—2 metres.

dead standing tree means a dead tree that shows no signs of having been affected by fire and which remains in an upright position.

dead standing fire affected tree means a dead tree that shows obvious signs of having been affected by fire and that remains in an upright position.

declaration date for a project, means the date on which the declaration of the project as an eligible offsets project under section 27 of the Act takes effect.

Department means the Department that administers the Act.

disturbance affected stratum means a stratum that has been subject to a growth disturbance event, other than fire—see section 3.4.

establishment phase means a period of land and project-forest management that is applied to a stratum from 6 months before the planting start date through to 3 years following the planting finish date.

extant project forest means the area of land defined by a project proponent as being occupied by project trees at a specified point in time or during a specified reporting period.

fallen dead wood means dead woody stem and branch components that:

(a) have a cross-sectional diameter of more than 2.5 centimetres;

(b) are derived from a project tree; and

(c) occur at ground level.

fire affected stratum means an area of project forest that has experienced a fire event and that has been dealt with in accordance with section 3.5.

fire emissions means emissions of methane (CH4) or nitrous oxide (N2O) arising from fire events.

fire event means an occurrence of

This is an opening excerpt, not the complete document.