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Table 1.5.3: Key category analysis for the 2005 inventory – Tier 1 trend assessment including LULUCF (a) and excluding LULUCF (b)

 

(a) Tier 1 Category Trend Assessment - including LULUCF

IPCC Categories

Gas

Base year estimate  Gg

2005 estimate  Gg

trend assessment

Contribution to trend

Cumulative total

Emissions from enteric fermentation in domestic livestock

CH4

21806.54

23919.80

0.034

17.6

17.6

Mobile combustion - road vehicles

CO2

7535.48

12444.08

0.032

16.5

34.0

Emissions from stationary combustion - solid

CO2

3227.01

6727.23

0.028

14.6

48.6

Emissions from stationary combustion - gas

CO2

7691.14

7589.75

0.021

10.8

59.4

Emissions from solid waste disposal sites

CH4

2122.92

1460.70

0.012

6.4

65.8

Direct emissions from agricultural soils

N2O

475.16

1762.87

0.012

6.3

72.1

Forest land remaining forest land

CO2

20624.90

26767.89

0.011

5.7

77.8

Emissions from agricultural soils - animal production

N2O

6856.67

7559.46

0.010

5.3

83.1

Emissions from substitutes for ozone depleting substances

HFCs

0.00

741.56

0.008

4.0

87.1

PFC's from aluminium production

PFC

515.60

80.70

0.006

3.0

90.2

Fugitive emissions from oil and gas operations

CO2

263.48

650.24

0.003

1.7

91.9

Other-emissions from liming

CO2

346.42

714.21

0.0029

1.52

93.4

Conversion to grassland

CO2

706.91

706.91

0.0018

0.94

94.4

Conversion to forest land

CO2

870.01

1254.72

0.002

0.9

95.3

 

(b) Tier 1 Category Trend Assessment - excluding LULUCF

IPCC Categories

Gas

Base year estimate Gg

2005 estimate  Gg

trend assessment

Contribution to trend

Cumulative total

Emissions from enteric fermentation in domestic livestock

CH4

21806.54

23919.80

0.0339

19.4

19.4

Mobile combustion - Road vehicles

CO2

7535.48

12444.08

0.0317

18.2

37.6

Emissions from Stationary combustion - solid

CO2

3227.01

6727.23

0.0281

16.1

53.8

Emissions from Stationary combustion - gas

CO2

7691.14

7589.75

0.0208

11.9

65.7

Emissions from solid waste disposal sites

CH4

2122.92

1460.70

0.0123

7.1

72.7

Direct emissions from Agricultural soils

N2O

475.16

1762.87

0.0122

7.0

79.7

Emissions from agricultural soils - animal production

N2O

6856.67

7559.46

0.0103

5.9

85.6

Emissions from substitutes for Ozone depleting substances

HFCs

0.00

741.56

0.0077

4.4

90.0

PFC's from Aluminium production

PFC

515.60

80.70

0.0058

3.3

93.4

Fugitive emissions from Oil and Gas operations

CO2

263.48

650.24

0.0033

1.9

95.3