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pesticides, and herbicides. Detrimental levels of heavy metals began to rise, gradually affecting the natural food chain and greater ecosystem. Starting in the 1980s (and continuing on into the present day), water quality has been drastically improved; stricter regulations on chemical use and runoff would be enforced, as well as advancements in technology, namely a high-performance sewage disposal.
48:
279:
Wasuzan
Business Center is in Okayama prefecture. It stands on the top of Washuzan Mountain. It is near Seto-ohashi Bridge which is a series of ten bridges between Okayama and Kagawa prefectures. The total length is 8.1 miles (13.1 km). From the center, people can see the panorama of the bridge
266:
in
Tokushima prefecture are tidal whirlpools in the Naruto Strait, a channel between Naruto and Awaji Island in Hyogo prefecture. The whirlpools, one of the prefecture’s major tourist attractions, are formed due to a narrow width (0.8 miles) of the strait and a water level of 5.6 feet between the
226:
In 1934, when the area was envisioned as Japan’s first national park, it was far smaller than the expanse of today. Sixteen years later, in 1950, an expansion would seek to include other iconic sites in the region, bringing the total area roughly up to that of the present-day. Setonaikai is the
237:
In the 1960s and 1970s, a period of rapid economic growth was fueled in Japan, resulting in industrial contamination of the surrounding environment. In both fresh and ocean waters, unmonitored chemical runoff led to reduced water quality, mainly due to area farms’ use of synthetic fertilizers,
246:
Setonaikai
National Park maintains relatively mild temperatures throughout the year, so the climate is sometimes referred to as “Mediterranean”; in essence, the average temperature in winter rarely dips below freezing, or above 90°F (around 30°C) in the summer.
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There are facilities where people can experience and learn about nature in the park. Mt. Rokko Nature
Conservation Center and Mt. Rokko Guide House in Hyogo prefecture are places where people can find natural specimens of Mt. Rokko.
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113:
214:. As the park encompasses many non-contiguous areas, and covers a tiny proportion of the Inland Sea's total extent, control and protection is problematic; much of the
882:
Irizuki, Toshiaki, “Anthropogenic impacts on meiobenthic
Ostracoda (Crustacea) in the moderately polluted Kasado Bay, Seto Inland Sea, Japan, over the past 70 years.
234:(in Hiroshima prefecture) was registered as a “cultural site of world heritage” by UNESCO. It is known as one of the top three “most scenic spots” in Japan.
873:
Baeck, Gun Wook; Park, Joo Myun; Hiroaki “Feeding ecology of three tonguefishes, Genus
Cynoglossus (Cynoglossidae) in the Seto Inland Sea, Japan. Dec. 2011.
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There are numerous sightseeing places in the national park. Kanmon Strait is one of them. It is between Honshu and Kyushu. A suspension bridge called
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206:. Designated a national park in 1934, it has since been expanded several times. It contains about 3,000 islands, known as the
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Inland Sea and the Open Sea caused by the ebb and flow of the tide. It sometimes creates a whirlpool 100 feet in diameter.
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and the Inland Sea. It is possible to learn about the nature around the bridge and the history of the Inland Sea.
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spans the strait. In 1973, when it was opened for the public, it was the longest bridge (0.66 miles) in Asia.
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909:“Mt. Rokko Guide House,” Hyogo Prefectural Mt. Rokko Nature Conservation Center and Mt. Rokko Guide House
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918:”Facilities - Setonaikai National Park” Ministry of the Environment, 1 February 2012.
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900:”Japan Monthly Web Magazine” Japan National Tourism Organization, 2016
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932:"Introducing places of interest: Setonaikai National Park"
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891:“Shimonoseki: Kanmon Straits” Japan Travel, 2016
72:
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183:
962:"Setonaikai National Park - Basic Information"
177:
1048:
1062:
864:. “When Nature Is Not Enough.” May 8, 2013.
842:Sutherland, Mary; Britton, Dorothy (1995).
1055:
1041:
1617:Parks and gardens in Tokushima Prefecture
1612:Parks and gardens in Yamaguchi Prefecture
1587:Parks and gardens in Hiroshima Prefecture
954:
926:
924:
412:
1602:Parks and gardens in Wakayama Prefecture
1028:Map of Setonaikai National Park - Area 4
1023:Map of Setonaikai National Park - Area 3
1018:Map of Setonaikai National Park - Area 2
1013:Map of Setonaikai National Park - Area 1
1622:Parks and gardens in Fukuoka Prefecture
1607:Parks and gardens in Okayama Prefecture
148:669.34 km (258.43 sq mi)
16:National Park in Seto Inland Sea, Japan
1592:Parks and gardens in Kagawa Prefecture
1559:
921:
1597:Parks and gardens in Hyōgo Prefecture
1577:Parks and gardens in Ehime Prefecture
1036:
793:. Japan National Tourism Organization
1582:Parks and gardens in Ōita Prefecture
85:Location of Setonaikai National Park
1627:Protected areas established in 1934
417:The park crosses the borders of 55
165:Ministry of the Environment (Japan)
13:
14:
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988:
375:
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227:biggest national park in Japan.
71:
64:
46:
912:
771:List of national parks of Japan
903:
894:
885:
876:
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854:
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1:
776:
270:
1632:1934 establishments in Japan
1433:Niseko-Shakotan-Otaru Kaigan
1133:Hidakasanmyaku-Erimo-Tokachi
7:
1498:Tango-Amanohashidate-Ōeyama
1478:Shokanbetsu-Teuri-Yagishiri
1328:Hyōnosen-Ushiroyama-Nagisan
966:Ministry of the Environment
936:Ministry of the Environment
817:Ministry of the Environment
764:
218:is heavily industrialized.
210:, including the well-known
184:
10:
1648:
813:"Setonaikai National Park"
241:
221:
1538:Yatsugatake-Chūshin Kōgen
1265:
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1070:
1009:- National Parks of Japan
1000:- National Parks of Japan
185:Setonaikai Kokuritsu Kōen
178:
160:
152:
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107:
93:
59:
45:
31:
26:
21:
1418:Myōgi-Arafune-Saku Kōgen
1007:Setonaikai National Park
998:Setonaikai National Park
250:
173:Setonaikai National Park
79:Setonaikai National Park
22:Setonaikai National Park
1572:National parks of Japan
1403:Minami Sanriku Kinkasan
1193:Rishiri-Rebun-Sarobetsu
1064:National parks of Japan
844:National Parks of Japan
202:, and of ten bordering
1173:Myōkō-Togakushi Renzan
413:Related municipalities
194:, comprising areas of
1468:Sado-Yahiko-Yoneyama
1438:Nishi-Chūgoku Sanchi
1298:Echigo Sanzan-Tadami
1266:Quasi-National Parks
1388:Meiji no Mori Takao
1333:Ibi-Sekigahara-Yōrō
1303:Echizen-Kaga Kaigan
161:Governing body
125: /
1413:Muroto-Anan Kaigan
1383:Meiji no Mori Minō
1378:Kyūshū Chūō Sanchi
1318:Hiba-Dōgo-Taishaku
1228:Towada-Hachimantai
1158:Kirishima-Kinkowan
942:on 26 January 2012
862:The New York Times
791:"Setouchi Islands"
232:Itsukushima Shrine
129:34.167°N 133.333°E
1551:
1550:
1528:Yaba-Hita-Hikosan
1408:Murō-Akame-Aoyama
1373:Kyoto Tamba Kōgen
1358:Kongō-Ikoma-Kisen
1163:Kushiro Shitsugen
1138:Iriomote-Ishigaki
1103:Chichibu-Tama-Kai
860:Azimi, Nassrine.
850:. pp. 125–7.
386:Itsukushima Jinja
370:Naruto whirlpools
264:Naruto whirlpools
170:
169:
1639:
1567:IUCN Category II
1508:Tenryū-Okumikawa
1260:
1148:Jōshinetsu Kōgen
1057:
1050:
1043:
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1005:
996:
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968:. Archived from
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938:. Archived from
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823:on 16 March 2010
819:. Archived from
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492:Higashihiroshima
208:Setouchi Islands
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1071:National Parks
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257:Kanmon Bridge
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38:national park
35:
34:IUCN category
30:
25:
20:
1553:
1428:Nippō Kaigan
1338:Iki-Tsushima
1212:
1203:Sanin Kaigan
1153:Kerama Shotō
1098:Bandai-Asahi
995:(in English)
974:. Retrieved
970:the original
956:
944:. Retrieved
940:the original
914:
905:
896:
887:
878:
869:
861:
856:
843:
837:
825:. Retrieved
821:the original
807:
795:. Retrieved
785:
416:
356:Kitan Strait
298:Bōyo Islands
294:Awaji Island
278:
274:
261:
254:
245:
236:
229:
225:
172:
171:
1398:Minami Bōsō
1363:Kōya-Ryūjin
1348:Kita Nagato
1283:Akiyoshidai
1278:Aichi Kōgen
1168:Minami Alps
1118:Daisetsuzan
1083:Amami Guntō
743:Shimonoseki
647:Bungotakada
565:Nishinomiya
561:Minamiawaji
488:Hatsukaichi
390:Kotohira-gū
352:Hōyo Strait
331:Mount Rokkō
322:Tomogashima
212:Itsukushima
204:prefectures
153:Established
132: /
108:Coordinates
1561:Categories
1523:Wakasa Wan
1518:Tsurugisan
1443:Noto Hantō
1393:Mikawa Wan
1353:Kitakyūshū
1213:Setonaikai
1113:Daisen-Oki
976:1 February
946:1 February
827:1 February
777:References
751:Suō-Ōshima
735:Kaminoseki
622:Shōdoshima
573:Takarazuka
471:Kitakyushu
462:Yawatahama
425:, and one
407:Yashima-ji
339:Mount Noro
335:Mount Maya
318:Shōdoshima
271:Facilities
216:wider area
1343:Ishizuchi
1313:Hayachine
1243:Yakushima
1223:Shiretoko
1183:Ogasawara
1143:Ise-Shima
739:Kudamatsu
715:Yamaguchi
697:Tokushima
680:Kurashiki
651:Himeshima
630:Takamatsu
496:Hiroshima
476:Hiroshima
450:Matsuyama
403:Futago-ji
327:Mountains
230:In 1996,
53:Tomonoura
1368:Kurikoma
1273:Abashiri
1093:Aso-Kujū
848:Kodansha
765:See also
710:Wakayama
706:Wakayama
688:Setouchi
668:Asakuchi
655:Kunisaki
638:Zentsūji
610:Naoshima
602:Marugame
594:Kotohira
590:Kan'onji
524:Takehara
508:Onomichi
484:Fukuyama
446:Kamijima
310:Naoshima
306:Miyajima
296:(part),
179:瀬戸内海国立公園
120:133°20′E
94:Location
27:瀬戸内海国立公園
1513:Tsugaru
1238:Yambaru
1128:Hakusan
797:28 June
731:Iwakuni
684:Okayama
676:Kasaoka
664:Okayama
634:Tonoshō
626:Tadotsu
614:Sakaide
577:Tatsuno
480:Etajima
467:Fukuoka
442:Imabari
427:village
399:Temples
382:Shrines
368:Other:
344:Straits
302:Ieshima
290:Islands
242:Climate
222:History
117:34°10′N
1493:Suzuka
1308:Genkai
1293:Chōkai
1288:Biwako
1198:Saikai
755:Tabuse
747:Shūnan
719:Hikari
701:Naruto
692:Tamano
618:Sanuki
606:Mitoyo
582:Kagawa
569:Sumoto
553:Himeji
545:Ashiya
537:Akashi
504:Mihare
419:cities
1463:Ōnuma
1178:Nikkō
759:Yanai
723:Hirao
672:Bizen
598:Mannō
549:Awaji
529:Hyōgo
516:Ōtake
458:Saijō
438:Ikata
434:Ehime
423:towns
421:, 14
251:Sites
196:Japan
102:Japan
1078:Akan
978:2012
948:2012
829:2012
799:2019
727:Hōfu
659:Ōita
643:Ōita
557:Kobe
533:Aioi
520:Saka
500:Kure
262:The
145:Area
36:II (
1543:Zaō
1448:Oga
1188:Oze
541:Akō
454:Ōzu
198:'s
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176:(
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