Table 7 The main land-use types comprise percent of the total area of the section in the riparian zone from 1976 to 2013. “a”: build-up and farmland; “b”: forest and grassland; “c”: wetland.

From: Evaluation of riparian condition of Songhua River by integration of remote sensing and field measurements

 

1976

1986

1995

2000

2005

2013

Percentage (%)

Percentage (%)

Percentage (%)

Percentage (%)

Percentage (%)

Percentage (%)

a

b

c

a

b

c

a

b

c

a

b

c

a

b

c

a

b

c

A

83.7

11.4

5.0

80.5

14.9

4.6

86.5

7.8

5.7

87.3

6.8

5.9

86.9

8.2

4.9

89.4

9.4

1.2

B

86.0

10.4

3.6

81.1

16.8

2.1

84.4

7.0

8.6

87.4

8.6

4.1

81.7

12.4

5.9

92.9

3.6

3.5

C

33.8

31.8

33.5

44.9

44.8

5.4

29.7

37.7

31.3

34.3

46.7

17.7

43.2

35.5

20.6

58.5

29.4

11.4

D

25.7

21.9

51.6

14.4

53.2

27.9

14.8

37.1

48.0

15.7

38.4

45.6

25.0

32.8

41.9

35.8

33.6

30.3

E

45.8

10.4

42.5

44.4

8.5

44.7

56.9

6.2

3.3

46.9

16.2

34.5

47.8

20.0

29.8

57.5

16.8

23.2

F

88.0

1.8

10.0

88.1

3.1

8.5

90.0

1.9

7.9

89.3

1.7

8.8

89.1

1.8

8.9

90.7

1.7

7.3

G

51.7

22.0

26.2

48.1

2.7

49.2

53.6

40.3

6.1

50.9

39.5

9.6

51.0

30.5

18.3

55.8

29.3

14.8

H

33.1

24.4

42.5

39.3

15.7

45.0

37.9

26.1

36.0

36.7

22.9

40.4

40.8

19.0

40.2

42.5

18.3

39.2

I

43.7

6.9

49.4

43.5

5.7

50.8

44.2

5.5

50.3

49.3

5.6

45.1

49.8

5.6

44.5

51.7

4.7

43.8

J

6.6

28.3

65.0

5.2

25.6

69.2

8.8

62.3

28.9

8.0

37.5

54.5

25.0

34.3

40.7

43.4

33.3

23.3

K

72.8

2.6

24.6

72.0

5.9

22.0

75.1

18.0

6.8

65.5

1.8

32.7

66.8

1.9

31.3

69.1

1.9

28.7

L

47.2

7.9

43.3

56.5

8.5

35.0

60.6

6.8

32.2

50.9

20.2

27.4

50.9

20.9

26.7

52.6

20.1

25.7

M

26.7

56.7

16.6

37.5

3.7

58.8

44.3

3.5

52.3

60.7

22.7

16.6

60.9

22.1

17.0

62.1

21.8

16.1

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