表Ⅱ．３．８ 全国の代表的な植生の改変による推移
|
代表的な植生 |
10 |
9 |
8 |
7 |
6 |
5 |
4 |
||
|
自然草原 |
自然林 |
二次林(自然林に近いもの) |
二次林 |
植林地 |
二次草原(背の高い草原) |
二次草原(背の低い草原) |
|||
|
自然植生 |
ブナ林(自然林) |
2.0 |
103.1 |
84.0 |
510.2 |
816.8 |
17.5 |
6401.6 |
|
|
0.0 |
0.6 |
0.5 |
3.0 |
4.8 |
0.1 |
37.9 |
|||
|
|
太平洋側のブナ林 |
0.0 |
26.6 |
0.0 |
88.5 |
20.5 |
0.0 |
1255.5 |
|
|
0.0 |
1.0 |
0.0 |
3.2 |
0.7 |
0.0 |
45.7 |
|||
|
日本海側のブナ林 |
2.0 |
76.5 |
84.0 |
421.7 |
796.3 |
17.5 |
5146.1 |
||
|
0.0 |
0.5 |
0.6 |
3.0 |
5.6 |
0.1 |
36.4 |
|||
|
照葉樹林(自然林) |
0.0 |
23.5 |
36.5 |
348.0 |
287.5 |
14.5 |
2451.8 |
||
|
0.0 |
0.5 |
0.7 |
6.8 |
5.7 |
0.3 |
48.2 |
|||
|
|
シイ林 |
0.0 |
1.0 |
31.5 |
192.0 |
210.0 |
12.0 |
1234.7 |
|
|
0.0 |
0.0 |
1.2 |
7.0 |
7.7 |
0.4 |
45.3 |
|||
|
タブ林 |
0.0 |
0.0 |
0.0 |
26.5 |
38.5 |
0.0 |
19.5 |
||
|
0.0 |
0.0 |
0.0 |
18.7 |
27.1 |
0.0 |
13.7 |
|||
|
カシ林 |
0.0 |
22.0 |
0.0 |
70.5 |
24.0 |
0.5 |
1190.6 |
||
|
0.0 |
1.0 |
0.0 |
3.3 |
1.1 |
0.0 |
56.3 |
|||
|
海岸風衝低木林 |
0.0 |
0.5 |
5.0 |
59.0 |
15.0 |
2.0 |
7.0 |
||
|
0.0 |
0.5 |
4.9 |
57.6 |
14.6 |
2.0 |
6.8 |
|||
|
代償植生 |
ミズナラ林・シデ林 |
16.0 |
205.3 |
99.3 |
4792.2 |
7331.2 |
276.0 |
18840.3 |
|
|
0.0 |
0.3 |
0.2 |
8.1 |
12.4 |
0.5 |
31.8 |
|||
|
ブナ二次林 |
8.0 |
65.5 |
53.3 |
906.0 |
2204.7 |
23.0 |
4678.4 |
||
|
0.0 |
0.4 |
0.3 |
5.2 |
12.6 |
0.1 |
26.7 |
|||
|
ミズナラ林 |
8.0 |
126.8 |
46.0 |
3812.2 |
5085.5 |
253.0 |
13513.9 |
||
|
0.0 |
0.3 |
0.1 |
9.5 |
12.7 |
0.6 |
33.7 |
|||
|
シデ林 |
0.0 |
13.0 |
0.0 |
74.0 |
41.0 |
0.0 |
648.0 |
||
|
0.0 |
0.8 |
0.0 |
4.7 |
2.6 |
0.0 |
41.4 |
|||
|
コナラ林 |
17.5 |
108.6 |
126.8 |
10799.2 |
12147.2 |
733.5 |
9953.1 |
||
|
0.0 |
0.2 |
0.2 |
21.3 |
23.9 |
1.4 |
19.6 |
|||
|
シイ・カシ萌芽林 |
0.0 |
48.8 |
13.0 |
2646.4 |
1860.8 |
368.1 |
3039.0 |
||
|
0.0 |
0.4 |
0.1 |
22.0 |
15.4 |
3.1 |
25.2 |
|||
|
アカマツ・クロマツ林 |
14.0 |
361.0 |
203.2 |
18854.0 |
18918.4 |
909.2 |
14208.2 |
||
|
0.0 |
0.5 |
0.3 |
23.7 |
23.8 |
1.1 |
17.9 |
|||
|
|
アカマツ林 |
13.5 |
346.0 |
177.2 |
16891.5 |
17181.2 |
893.7 |
13743.2 |
|
|
0.0 |
0.5 |
0.2 |
22.8 |
23.1 |
1.2 |
18.5 |
|||
|
クロマツ林 |
0.5 |
15.0 |
26.0 |
1962.5 |
1737.2 |
15.5 |
465.0 |
||
|
0.0 |
0.3 |
0.5 |
36.9 |
32.7 |
0.3 |
8.7 |
|||
|
計
|
49.5 |
850.3 |
562.8 |
37950.0 |
41361.9 |
2318.8 |
54894.0 |
||
|
0.0 |
0.4 |
0.3 |
17.0 |
18.5 |
1.0 |
24.6 |
|||
|
代表的な植生 |
3 |
2 |
1 |
自然裸地 |
開放水域 |
合計 |
||
|
農耕地(樹園地) |
農耕地(水田・畑) |
市街地・造成地等 |
||||||
|
自然植生 |
ブナ林(自然林) |
540.0 |
6331.3 |
51.3 |
1379.5 |
660.9 |
16898.2 |
|
|
3.2 |
37.5 |
0.3 |
8.2 |
3.9 |
100.0 |
|||
|
|
太平洋側のブナ林 |
16.0 |
1335.7 |
0.0 |
1.5 |
1.5 |
2745.8 |
|
|
0.6 |
48.6 |
0.0 |
0.1 |
0.1 |
100.0 |
|||
|
日本海側のブナ林 |
524.0 |
4995.6 |
51.3 |
1378.0 |
659.4 |
14152.4 |
||
|
3.7 |
35.3 |
0.4 |
9.7 |
4.7 |
100.0 |
|||
|
照葉樹林(自然林) |
353.0 |
1338.9 |
8.0 |
203.5 |
18.0 |
5083.2 |
||
|
6.9 |
26.3 |
0.2 |
4.0 |
0.4 |
100.0 |
|||
|
|
シイ林 |
69.5 |
783.5 |
1.5 |
171.0 |
17.0 |
2723.7 |
|
|
2.6 |
28.8 |
0.1 |
6.3 |
0.6 |
100.0 |
|||
|
タブ林 |
9.5 |
23.5 |
0.0 |
24.5 |
0.0 |
142.0 |
||
|
6.7 |
16.5 |
0.0 |
17.3 |
0.0 |
100.0 |
|||
|
カシ林 |
272.0 |
521.9 |
4.5 |
8.0 |
1.0 |
2115.0 |
||
|
12.9 |
24.7 |
0.2 |
0.4 |
0.0 |
100.0 |
|||
|
海岸風衝低木林 |
2.0 |
10.0 |
2.0 |
0.0 |
0.0 |
102.5 |
||
|
2.0 |
9.8 |
2.0 |
0.0 |
0.0 |
100.0 |
|||
|
代償植生 |
ミズナラ林・シデ林 |
2955.5 |
22249.0 |
427.2 |
209.5 |
1777.7 |
59179.2 |
|
|
5.0 |
37.6 |
0.7 |
0.4 |
3.0 |
100.0 |
|||
|
ブナ二次林 |
803.0 |
6927.1 |
267.2 |
201.5 |
1402.5 |
17540.2 |
||
|
4.6 |
39.5 |
1.5 |
1.1 |
8.0 |
100.0 |
|||
|
ミズナラ林 |
2018.5 |
14700.9 |
156.0 |
8.0 |
345.7 |
40074.5 |
||
|
5.0 |
36.7 |
0.4 |
0.0 |
0.9 |
100.0 |
|||
|
シデ林 |
134.0 |
621.0 |
4.0 |
0.0 |
29.5 |
1564.5 |
||
|
8.6 |
39.7 |
0.3 |
0.0 |
1.9 |
100.0 |
|||
|
コナラ林 |
3366.3 |
13189.4 |
244.2 |
24.0 |
86.5 |
50796.3 |
||
|
6.6 |
26.0 |
0.5 |
0.0 |
0.2 |
100.0 |
|||
|
シイ・カシ萌芽林 |
451.0 |
3594.9 |
14.0 |
10.0 |
3.5 |
12049.5 |
||
|
3.7 |
29.8 |
0.1 |
0.1 |
0.0 |
100.0 |
|||
|
アカマツ・クロマツ林 |
2244.1 |
18025.0 |
3950.4 |
1462.4 |
391.1 |
79541.0 |
||
|
2.8 |
22.7 |
5.0 |
1.8 |
0.5 |
100.0 |
|||
|
|
アカマツ林 |
2913.6 |
17353.8 |
3595.9 |
1443.9 |
390.1 |
74223.6 |
|
|
3.0 |
23.4 |
4.8 |
1.9 |
0.5 |
100.0 |
|||
|
クロマツ林 |
50.5 |
671.2 |
354.5 |
18.5 |
1.0 |
5317.4 |
||
|
0.9 |
12.6 |
6.7 |
0.3 |
0.0 |
100.0 |
|||
|
計
|
9909.9 |
64728.5 |
4695.1 |
3288.9 |
2937.7 |
223547.4 |
||
|
4.4 |
29.0 |
2.1 |
1.5 |
1.3 |
100.0 |
|||
|
縦軸：改変前の代表的な植生 横軸：改変後の植生自然度 |