①background to the development of parks and green spaces ... · ・a population flow from...
TRANSCRIPT
1. Background to the Development of
Parks and Green Spaces○○Concentration of Population into Urban Areas
○How Urban Greening Developsg p
Demographic Transition by Megalopolises and Provinces
P l i h i l i d i h・Population has consistently increased since the postwar period mainly among megalopolises. ・A population flow from provinces to cities, especially TokyoA population flow from provinces to cities, especially Tokyo megalopolis, is found to be very remarkable during the period of rapid economic growth and bubble economy.
大都市圏と地方圏の人口の推移
120,000
140,000
地方圏
都市圏
Demographic Transition in Megalopolises and Provinces
In ProvincesIn Megalopolises
Transition of Demographic Shift (in Three Megalopolises and Provinces)
40
60
No
80,000
100,000
都市圏In Megalopolises
0
20
o. of Moving in E
xIn the Tokyo area In the Nagoya area
In the Kansai area In Provinces20,000
40,000
60,000
-40
-20
cess (ten thousan
(year)0
1920
年 30 40 50 60 70 80 90
2000 10 20 30
-80
-60
1954 1959 1964 1969 1974 1979 1984 1989 1994 1999 2004
nd)
Population Growth in Cities (DID=Densely Inhabited Districts)
• While population growth in Japan is concentrated around cities, the gross area of cities (DID) is expanding considerably, compared to the population growth rate.
DIDChanges in the Population and Area of DID
12,000
14,000
( (square kilometer)(ten thousand)
200
250
(person/ha)The Rate of DID and the Total Population
12,000
14,000
(ten thousand)
60%
70%The Total Population DID PopulationDID Population / The Total Population
The Area of DID The Population of DID The Population Density of DID
6 000
8,000
10,000
150
200
6,000
8,000
10,000
30%
40%
50%
2,000
4,000
6,000
50
100
2,000
4,000
,
10%
20%
0
1960 1965 1970 1975 1980 1985 1990 1995 2000
00
1960 1965 1970 1975 1980 1985 1990 1995 2000
0%
Concentration of Population into Cities
P l i d i d i i l d h h• Population and industry concentration is accelerated through rapid economic growth.
• Loss of green spaces proceeds along with urban developmentdevelopment
• Urban areas expand without upgrading urban infrastructures such as roads and parks enough
●Decrease in green spaces (e.g. forests, farm
How Greening Develops in Yokohama City(ten thousand)
g p ( g ,lands, and grasslands) in Yokohama City
Population
The Area of Forests
1970 20001960
Green spaces Source: researched by the Ministry of Land, Infrastructure, Transport and Tourism
(Year)
Urban areas Forest areas: 10,344ha (1960) →4,999ha (1980)→2,732ha (1999)・Forest areas decreased by about 7,600ha (about 1.2 times the area inside the Yamanote Line ), by 74%, during the past 40 years.
● Decrease in green spaces (e.g. forests, farm lands, and grasslands) in Tokyo
Forest areas were reduced byForest areas were reduced by approx. 800ha in 10 years between 1997 and 2007.
1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007
Change in the ratio of green spaces in Chiba City
Forests Paddy fields and farms
The 19th year of Showa period (1944) The 47th year of Showa period (1972) The 2nd year of Heisei period (1990)
・Green spaces remarkably decreased due to N b h tGreen spaces remarkably decreased due to factory locations and housing land development during the period of rapid economic growth.・Suburban green space preservation areas are
・New urban areas such as new towns are formed.・Land development was stepped up during the period of bubble economydesignated and the large-scale development of
lands as parks is actively implemented.during the period of bubble economy.
How Greening Develops in Kamakura City
The 22nd year of Showa period(1947) The 37th year of Showa period(1962) The 48th year of Showa period(1973)
2500
3000
The Area of Forests (ha)
1000
1500
2000
2500 The Area of Forests (ha)
The 2nd year of Heisei period(1990) The 15th year of Heisei period(2003)0
500
1000
昭和22年 昭和37年 昭和48年 平成2年 平成15年Showa 22 Showa 37 Showa 48 Heisei 2 Heisei 151947 1962 1973 1990 20031947 1962 1973 1990 2003
Put breaks to the reduction since 1966 when green areas have started to be preserved under the Ancient Capitals Preservation Law.
Changes in Gross Area of Green Spaces in the Metropolitan Area
• The gross area of green spaces (farm lands, woodlands, and city parks) in the metropolitan area decreased by about 22% from 1965 to 2005about 22% from 1965 to 2005.
Showa40(1965): Farm lands about 419,000ha● Changes in the Gross Area of Green Spaces in the
metropolitan area (Saitama, Chiba, Tokyo, and Kanagawa)(ten thousand ha) ( ) ,Woodlands about 509,000haCity Parks about 2,000ha
The Gross Area of Green Spaces about 931,000ha↓80
90
100 Farm lands Wood lands City Parks
↓Showa60(1985): Farm lands about 298,000ha
Woodlands about 477,000haCity Parks about 9,000ha50
60
70
The Gross Area of Green Spaces about 784,000ha↓
Heisei17(2005):Farm lands about 248,000haWoodlands about 459 000ha20
30
40
Woodlands about 459,000haCity Parks about 19,000ha
The Gross Area of Green Spaces about 725,000ha
(year)
0
10
20
Showa40
(65)Showa45
(70)Showa50
(75)Showa55
(80)Showa60
(85)Heisei 2
(90)Heisei 7
(95)Heisei 12
(00)Heisei 17
(05) (year)(65) (70) (75) (80) (85) (90) (95) (00) (05)
○Japan’s level of developing lands as parks remains low in terms of the area of parks per person as well as the park-area percentage of the whole urban districts compared to that of major cities of the world
The Status of Developing Lands as City Parks and Others (Compared to other Countries of the World)
The Park-area Percentage (%)The Area of Parks Per Person (㎡/person)
percentage of the whole urban districts, compared to that of major cities of the world.
103.2
100
24.3
29.4
25
30
52.3
80.0
60
80
19.4
11.210 7
19.4
15
20
26.9
11.6
27.9
11.3
4.5
0
20
4010.7
8.7
6.2
0
5
10
WD L P B S C S WD L P B S C S
T k ’
※Tokyo’s 23 wards include green spaces other than city parks such as National Gardens and open spaces. (Reference: This table makes references to the Report on Parks of Tokyo Metropolis in 2004)
○Wh i T k ’ 23 d ith Vi th k f T k ’ 23 d i b t thi d f th t f Vi
ワシ
ントンD.C
ロンドン
パリ
ベル
リン
ストッ
クホルム
キャンベ
ラ
ソウ
ル
東京
23区
ワシントンD.C
ロンドン
パリ
ベル
リン
ストッ
クホルム
キャンベラ
ソウル
東京
23区
Washington,
D.C
.
London
Paris
Berlin
Stockholm
Canberra
Seoul
Washington,
D.C
.
London
Paris
Berlin
Stockholm
Canberra
Seoul
Tokyo’s23 wards
Tokyo’s23 wards
※The Park-area Percentage =The Area of Parks divided by the Whole Urban Districts
TokyoVienna
○When comparing Tokyo’s 23 wards with Vienna, the park area of Tokyo’s 23 wards is about one third of that of Vienna.
Vienna and Tokyo’s 23 wards on the same scale
Vienna
Tokyo’s 23 Wards
Parks(9,505ha)
Vienna Tokyo
The Whole Urban Districts(ha) 41,500 62,100
Population ( thousand persons) 1,642 8,409 ※The area of private green spaces in light green is excluded.
Parks(3,746ha)
※The area of private green spaces in light green is excluded.0 2km
0 2km
Tokyo s 23 Wards
RailwayHighwayOther RoadsCity BorderParkPrivate Green SpacesGraveyard