Table 3 Regional and global map accuracy metrics

From: Global maps of cropland extent and change show accelerated cropland expansion in the twenty-first century

 

Cropland 2000–2003 (%)

Cropland 2016–2019 (%)

Stable cropland (%)

Cropland gain (%)

Cropland loss (%)

Africa

 OA

96.9 (0.7)

96.5 (0.8)

97.2 (0.6)

97.9 (0.6)

99.4 (0.3)

 UA

71.3 (4.1)

77.3 (3.2)

71.9 (4.6)

57 (5)

48 (5)

 PA

65.8 (8.3)

70.6 (7.9)

64.6 (8.2)

49.4 (12)

39.9 (21.5)

South-west Asia

 OA

96.2 (0.7)

96.2 (0.7)

95.7 (0.8)

98.6 (0.2)

98.9 (0.3)

 UA

90.1 (2.7)

87.5 (2.8)

86 (3.5)

59 (4.9)

66 (4.8)

 PA

85 (3.2)

89.2 (3.2)

82.5 (3.5)

85.9 (8.6)

52.1 (10.7)

Australia and New Zealand

 OA

99.1 (0.2)

98.9 (0.2)

99.2 (0.2)

99.6 (0.1)

99.9 (0)

 UA

86 (3.2)

84.6 (3)

88.5 (3.3)

57 (5)

54 (5)

 PA

98.7 (0.4)

96.8 (2.5)

95.8 (1.6)

73.8 (19.1)

100 (0)

South-east Asia

 OA

97.3 (0.6)

96.6 (0.7)

96.7 (0.7)

99.3 (0.1)

99.2 (0.2)

 UA

92.8 (2.3)

86.5 (2.8)

87 (3.4)

69 (4.6)

78 (4.2)

 PA

83.8 (4.2)

84.1 (4.2)

80.1 (4.6)

92.4 (6.3)

60.6 (9.3)

Europe and North Asia

 OA

96.8 (0.7)

96.8 (0.7)

96.1 (0.7)

99.2 (0.2)

99.6 (0.1)

 UA

93.1 (2.2)

93.6 (2)

92.7 (2.7)

71 (4.6)

79 (4.1)

 PA

86.4 (3.3)

86.1 (3.3)

79.3 (3.9)

83.1 (9.3)

98.8 (1.2)

North and Central America

 OA

98.5 (0.5)

97.8 (0.5)

98.6 (0.4)

99 (0.3)

99.4 (0.3)

 UA

93.6 (2.2)

90.8 (2.3)

93 (2.6)

67 (4.7)

82 (3.9)

 PA

96.2 (2.2)

94.7 (2.6)

97 (1.7)

69.7 (14.9)

72.2 (14.1)

South America

 OA

99.5 (0.2)

99.1 (0.3)

99.4 (0.2)

99.3 (0.3)

99.8 (0)

 UA

94.1 (2)

94.5 (1.6)

93.9 (2.4)

88 (3.3)

76 (4.3)

 PA

94.3 (3.5)

92 (3.9)

90.7 (4)

83.7 (7.9)

89.2 (9.6)

World

 OA

97.5 (0.2)

97.2 (0.3)

97.3 (0.2)

98.9 (0.1)

99.4 (0.1)

 UA

90 (1.1)

88.5 (1)

88.3 (1.3)

67.4 (1.9)

73.3 (1.9)

 PA

86 (1.8)

86.4 (1.9)

82.9 (1.9)

73.3 (5.8)

70.3 (6.4)

  1. OA, overall accuracy; UA, user’s accuracy; PA, producer’s accuracy. The s.e.m. of accuracy metrics is shown in parenthesis.