Relevant bibliographies by topics / Japanese Islands

Academic literature on the topic 'Japanese Islands'

Author: Grafiati
Published: 6 September 2023

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Journal articles on the topic "Japanese Islands"

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Dvorak, Greg. "Who Closed the Sea? Archipelagoes of Amnesia Between the United States and Japan." Pacific Historical Review 83, no. 2 (November 2012): 350–72. http://dx.doi.org/10.1525/phr.2014.83.2.350.

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There is a profound lack of awareness among younger generations about Japan’s prewar engagement with the Pacific Islands, let alone other colonial sites, yet arguably, this amnesia is not a spontaneous phenomenon. Forgetting about Micronesia and erasing it from the Japanese mass consciousness was a project in which both Japanese and American postwar forces were complicit. Focusing on stories of Japanese amnesia and selective memory in the Marshall Islands, I explore the Marshallese notion of “closing the sea,” how U.S. power has long been a mediating factor in why Japanese forget their Pacific past, and also why Marshall Islanders remember it.
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Nakamura, Kelli Y. "“Into the Dark Cold I Go, the Rain Gently Falling”." Pacific Historical Review 86, no. 3 (August 1, 2017): 407–42. http://dx.doi.org/10.1525/phr.2017.86.3.407.

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During World War II, authorities arrested and incarcerated Japanese on the island of Hawai‘i due to racist fears. Many scholars skim over the details of the incarceration of residents of Hawai‘i island and other islands as part of the larger narrative of O‘ahu incarceration, where authorities held Japanese at sites like Sand Island and Honouliuli. However, these lives and experiences are meaningful to understanding the incarceration experience in Hawai‘i and expanding the focus beyond O‘ahu to encompass the neighbor islands and rural areas—two areas still in need of study in order to understand the history of Hawai‘i’s Japanese.
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LYE, Liang Fook, and Dan WU. "Growing Anti-Japanese Nationalistic Sentiments in China." East Asian Policy 05, no. 04 (October 2013): 18–30. http://dx.doi.org/10.1142/s1793930513000330.

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Anti-Japanese nationalistic sentiments in China remain a bugbear in relations between China and Japan. Japan's nationalisation of the Diaoyu Islands elicited a Chinese public response targeted at things associated with Japan. In this instance, the potent mix of the islands dispute and historical issues between the two countries unleashed a wave of anti-Japanese sentiments that brought ties to a new low. Both sides are presently making an attempt to manage their differences.
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Champagne, Andrew. "Anti-Japanese Nationalism and Economic Growth in the Context of the Diaoyu/ Senkaku Island Dispute." Potentia: Journal of International Affairs 5 (October 1, 2014): 67–83. http://dx.doi.org/10.18192/potentia.v5i0.4406.

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In September 2012, massive and violent anti-Japanese protests broke out in more than 100 cities throughout China. Japanese businesses, restaurants and multinational corporations were targeted and Japanese people were attacked on the streets. The protests were a result of the Japanese Government’s decision to purchase and nationalize three islands in the East China Sea located in the island grouping known as Diaoyu in China and Senkaku in Japan over which both countries have competing sovereignty claims. The purchase occurred only months after nationalist demonstrators from both Hong Kong and Japan independently planted their respective flags on the islands and only a week before the 81st anniversary of the Mukden incident.
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Takahashi, Tomoyuki, Naoto Sawada, and Takafumi Nakano. "First record of the terrestrial amphipod, Talitroides alluaudi (Chevreux, 1896) (Crustacea, Amphipoda, Brevitalitridae), from Japan." Check List 17, no. 2 (March 4, 2021): 359–63. http://dx.doi.org/10.15560/17.2.359.

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We report Talitroides alluaudi (Chevreux, 1896) from Miyako Island, Ryukyu Islands, Japan. Although this terrestrial amphipod is distributed worldwide, including Indo-Pacific islands, Europe, and North and South America, the present specimens represent the first record of this species from Japanese islands. The cytochrome c oxidase subunit I (COI) sequence of a Miyako Island specimen was unique compared with the known COI sequences from Taiwanese and Bermudan populations.
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JAŁOSZYŃSKI, PAWEŁ. "Himaloconnus Franz and Nogunius gen. n. of Japan (Coleoptera: Staphylinidae: Scydmaeninae)." Zootaxa 4822, no. 3 (August 6, 2020): 334–60. http://dx.doi.org/10.11646/zootaxa.4822.3.2.

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Two genera of Euconnus-like Stenichnini are reported to occur in Japan: Himaloconnus Franz, 1979 and Nogunius gen. n. Specimens of Himaloconnus collected on islands of the Ryukyu archipelago are identified as H. klapperichianus (Franz), previously known to inhabit Taiwan, but morphological differences were found among disjunctive populations and in consequence three new subspecies are proposed: H. klapperichianus yaeyamanus ssp. n. (Yaeyama Islands), H. klapperichianus amamianus ssp. n. (Amami-Ôshima), and H. klapperichianus okinawanus ssp. n. (Okinawa Island). Morphological structures of Japanese Himaloconnus are illustrated in detail and the diagnosis of this genus is emended, to exclude variable characters. Nogunius gen. n. is established to accommodate four species known only from Japan: N. sokani sp. n. (Okinawa Island), N. aogashimanus sp. n. (Aogashima, Izu Islands), N. kerri sp. n. (Ishigaki Island), and N. fukuuzanus sp. n. (Okinawa Island). Identification key to Japanese genera of Stenichnini is updated.
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Jonishi, Taro, and Takafumi Nakano. "First records of a blind centipede, Cryptops navis Chamberlin, 1930 (Chilopoda, Scolopendromorpha, Cryptopidae), from Japan." Check List 16, no. 4 (July 10, 2020): 865–69. http://dx.doi.org/10.15560/16.4.865.

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Eight specimens of a scolopendromorph centipede collected in Tokashiki Island and Minamidaito Island (both in the Ryukyu Islands, Japan) represent the first record of Cryptops (Cryptops) navis Chamberlin, 1930 from the islands of the Far East (i.e., Japanese Archipelago, Ryukyu Islands and Taiwan). This material also provides new details of the morphological variability of C. (C.) navis and the first data on natural habitats of C. (C.) navis, which previously was known only from soil samples from Singapore and China.
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Shchepkin, V. V. "Russian settlement on the island of Urup (1795–1805) and its influence on Japan’s policy towards Ainu from southern Kurils." Japanese Studies in Russia, no. 4 (January 5, 2023): 38–55. http://dx.doi.org/10.55105/2500-2872-2022-4-38-55.

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Based on comparative study of published Russian and Japanese sources, the article describes the history of the Russian settlement on the island of Urup in 1795–1805. First, it clarifies the goals of the foundation of the settlement and the reasons for its liquidation. Founded at the initiative of the Siberian merchant Grigorii Shelekhov, the Russian settlement played an important role both in Russo-Japanese relations and in the policy of the Japanese government towards the Ainu and their lands, especially in the southern Kuril Islands, at the turn of the 18th and 19th centuries. Russians founded the settlement in the view of future trade opportunities with Japan, since, a few years earlier, the Russian envoy Adam Laxman had received a permission to enter the port of Nagasaki to continue negotiations. In the beginning, Russians managed to start exchange of Japanese goods and supplies with the Ainu. After Japanese governmental expedition reached Iturup in 1798, however, information about relations between the Russians and the Ainu led to the transfer of the northeast Hokkaido, Kunashir, and Iturup under the direct control of the bakufu, as well as influenced the nature of Japanese policy towards the local population, the Ainu. The desire to expel the Russians from Urup and thereby stop their relations with the Ainu of the southern Kuril Islands led to the decision of the Japanese government to turn Iturup into a natural fortress and forbid the locals to leave the island, and the Russians and Ainu of the northern and middle Kuril Islands to come there. At the same time, the long stay of Russian settlers on Urup prevented the spread of Japanese influence north of Iturup.
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Long, Daniel. "Evidence of an English Contact Language in the 19th Century Bonin (Ogasawara) Islands." English World-Wide 20, no. 2 (December 31, 1999): 251–86. http://dx.doi.org/10.1075/eww.20.2.04lon.

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This paper contends that an English-based contact language developed on the Bonin (Ogasawara) Islands in the 19th century and was used as the language of communication among the settlers there. The factors discussed in support of this contention are: (1) the diversity in the languages of the first-generation settlers, (2) the abundance of mixed-language households, (3) the absence of formal education or literacy, (4) the nature of words reported by Japanese seamen shipwrecked on the island, (5) reports of communication in English between islanders and visitors, (6) the off-island experiences of islanders, (7) written references to a contact language, (8) the continued usage of non-English words, and (9) the linguistic outcomes of similar island communities.
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Priventa, Hendrike. "Sikap Ambivalensi Pribumi Dan Hibriditas Masyarakat Di Kepulauan Utara Jepang Dalam Film Animasi Joppani No Shima Karya Shigemichi Sugita." KIRYOKU 3, no. 3 (November 25, 2019): 126. http://dx.doi.org/10.14710/kiryoku.v3i3.126-134.

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This study aims to describe the indigenous ambivalence in the Joppani no Shima animated film and community hybridity in the Japanese Northern Islands in the animated film Joppani no Shima. The approach used is postcolonial with the perspective of Homi. K Bhaba. The results of this study are 1) The attitude of indigenous ambivalence in the film Joppani no Shima is divided into two, namely the attitude of loving the homeland and the attitude of looking at the colonizers higher. The attitude of indigenous ambivalence is one of the drivers of hybridity. 2) The hybridity of the North Island Islands of Japan can be seen in three aspects, namely the outlook on life, knowledge and lifestyle.Keywords : Animated film; North Japanese islands; postcolonial; ambivalence; hybridity
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Dissertations / Theses on the topic "Japanese Islands"

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Taylor, Fred H. "Sino-Japanese relations cooperation, competition, or status quo? /." Thesis, Monterey, Calif. : Naval Postgraduate School, 2008. http://bosun.nps.edu/uhtbin/hyperion-image.exe/08Mar%5FTaylor.pdf.

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Thesis (M.A. in National Security Affairs)--Naval Postgraduate School, March 2008.
Thesis Advisor(s): Olsen, Edward A. ; Miller, Alice L. "March 2008." Description based on title screen as viewed on May 15, 2008. Includes bibliographical references (p.63-65). Also available in print.
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McAuliffe, Kathleen. "The East China Sea Dispute in Japanese Politics." Thesis, University of Oregon, 2015. http://hdl.handle.net/1794/19346.

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The East China Sea (ECS) dispute between Japan, the People’s Republic of China, and the Republic of China began in the early 1970s and has continued to escalate. Although the Japanese government claims to handle conflicts in the disputed area as domestic matters, scholarship has focused on the dispute as an international relations or legal issue between states. This project explores the dispute as an issue in domestic Japanese politics by examining the narratives and power dynamics of the major political parties, nationalist and ultraconservative groups, and Okinawan activists vis-à-vis the national government and international actors.
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Roth, Antoine. "Conflict Dynamics in Sino-Japanese Relations| The Case of the Senkaku/Diaoyu Islands Dispute." Thesis, The George Washington University, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=1540566.

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This thesis analyzes the evolution of the Sino-Japanese conflict over ownership of the Senkaku/Diaoyu islands since the end of the Cold War. It argues that the 2012-2013 confrontation following the nationalization of the islands by Japan is the result of a process of conflict escalation that played out during repeated cycles of tensions over the previous two decades. Tensions reached a first peak in 1996 after Japanese activists built a lighthouse on one of the Senkaku/Diaoyu. Another confrontation would have erupted in 2004 after Chinese activists landed on one of the islands were it not for the intervention of Japanese Prime Minister Koizumi Junichiro. After both events, nothing was done to prevent future confrontations, which allowed the conflict to fester and enter a downward spiral. This process resulted in worsening mutual perceptions and more assertive domestic audiences on both sides, which pushed Chinese and Japanese leaders towards increasingly confrontational attitudes, eventually resulting in two serious incidents in 2010 and 2012 that brought bilateral tensions to a new post-WWII high.

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Fujihara, Satoru. "Thermal state beneath the Japanese Islands and its implication to tectonics of subduction zone." 京都大学 (Kyoto University), 2002. http://hdl.handle.net/2433/149561.

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Daly, Craig S. "Russo-Japanese relations and the Kuril Islands dispute : the historical setting and the international environment /." Title page, contents and introduction only, 1992. http://web4.library.adelaide.edu.au/theses/09AR/09ard153.pdf.

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Kitagawa, Hiromichi. "Taxonomic revision of the Pleistocene fossil Elephantidae (Mammalia, Proboscidea) from the Japanese and Taiwanese islands." 京都大学 (Kyoto University), 2011. http://hdl.handle.net/2433/142390.

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Suganuma, Unryu. "Historical justification of sovereign right over territorial space of the Diaoyu/Senkaku Islands irredentism and Sino-Japanese relations /." access full-text online access from Digital dissertation consortium, 1996. http://libweb.cityu.edu.hk/cgi-bin/er/db/ddcdiss.pl?9725245.

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Odo, David. "The edge of the field of vision : defining Japaneseness and the image archive of the Ogasawara Islands." Thesis, University of Oxford, 2004. http://ora.ox.ac.uk/objects/uuid:f76fb540-7b9a-4e96-989c-2492576d7d6f.

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This thesis examines the image archive of photographs of the Ogasawara (Bonin) Islands of Japan within the framework of historically informed visual anthropology. It is argued that investigating the photography of Ogasawara, which has an ethnically diverse population of descendants of the pre-Japanese, nineteenth-century settlement, exposes the processes that have configured modern 'Japaneseness'. Towards this end, the major areas explored are early Japanese photographic practice, visual aspects of Japanese colonialism, Japanese domestic tourism and the use of photography in the creation and maintenance of ideas about Japanese culture. Extremely rare imperial, government and commercial images, including albumen prints, cartes de visite and postcards, from museums, archives and private collections are examined in this study. The trajectories of these images through the 'visual economy' are traced as they are produced, circulated and gather meanings in a variety of contexts, from early colonial encounters to contemporary tourist engagements. These processes are exposed through an investigation of early Japanese photographic practice, colonial expeditions to Ogasawara, the shifting location of Islanders as 'slippery' internal others within configurations of Japaneseness, Japanese domestic tourism and the tourist discourse in contemporary Ogasawara. This has enabled the development of an alternative history of early Japanese photographic practice and a new understanding of Japanese domestic tourism. These new ways of conceptualising photography and tourism in Japan, together with insights gained from ethnographic investigations of the Ogasawaran image archive, demonstrate that photography played a major role in the construction of modern Japaneseness, rather than merely being a by-product of modernisation. Through an examination of images from the archive of photographs of the Ogasawara Islands, one gains an understanding of modern Japan as a society more diverse than the mostly homogeneous nation it is generally represented as, and more fluid in its definitions of Japaneseness than previously thought.
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Graf, Virginia B. "The Russians debate the Kuril Islands territorial dispute: an aspect of Russo-Japanese relations in the post-Cold War world." Thesis, Monterey, California. Naval Postgraduate School, 1993. http://hdl.handle.net/10945/24225.

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Both Japan and the Russian Federation still claim rightful ownership of a small group of islands between Japan's Hokkaido Island and the Russian Federation's Northern Kuril Islands. Russia seized the islands in the course of World War n. The disposition of the islands has prevented the two countries from signing a peace treaty. The objectives of this thesis will be to analyze Russia's political, economic, strategic, and social perspectives of the Kuril Islands debate, during 1992, as an indication of the post-Cold War international relations between Moscow and Tokyo. It is the hypothesis of this thesis that although the breakup of the Soviet Union has eased tensions between the "West" and "East," international relations between Moscow and Tokyo continue to reflect Soviet philosophies and policies. This not only hurts the Russian Federation's future development in the Pacific Rim but acts as an obstacle for cooperative, interdependent ties between all the countries of the world.
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Waite, Briana Jacqueline. "The Effect of the Senkaku Islands Dispute on Sino-Japanese Ties and the Possible Role of the United Nations' Permanent Court of Arbitration." Thesis, The University of Arizona, 2014. http://hdl.handle.net/10150/322082.

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Books on the topic "Japanese Islands"

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The Japanese garden: Islands of serenity. Tokyo: Graphic-sha Publishing Co., Ltd., 1986.

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Edo, Junko. Japanese aid to the Pacific islands region. Honolulu, Hawaii, USA: Pacific Islands Development Program, East-West Center, 1986.

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Hiraoka, Akitoshi, Satoshi Suyama, Hisamitsu Miyauchi, and Takehisa Sukeshige, eds. Insularity and Geographic Diversity of the Peripheral Japanese Islands. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2316-6.

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Hiraoka, Akitoshi, Satoshi Suyama, Hisamitsu Miyauchi, and Takehisa Sukeshige, eds. Insularity and Geographic Diversity of the Peripheral Japanese Islands. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2316-6.

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(Japan), Chishitsu Chōsajo, ed. Metamorphic belts and related plutonism in the Japanese islands. Tsukuba, Japan: Geological Survey of Japan, 1992.

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Tōsho daijiten. Tōkyō: Nichigai Asoshiētsu, 1991.

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Tarte, Sandra. Japan's aid diplomacy and the Pacific islands. Canberra [A.C.T.]: National Centre for Development Studies, Research School of Pacific and Asian Studies, Australian National University, 1998.

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Dasgupta, Jayant. Japanese in Andaman & Nicobar Islands: Red sun over black water. New Delhi: Manas Publications, 2004.

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Kimura, Hiroshi. Islands or security?: Japanese-Soviet relations under Brezhnev and Andropov. Kyoto: International Research Center for Japanese Studies, 1998.

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Hold the Marianas: The Japanese defense of the Mariana Islands. Shippensburg, PA, USA: White Mane Publishing, 1997.

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Book chapters on the topic "Japanese Islands"

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Miyauchi, Hisamitsu, and Satoshi Suyama. "Conventional Studies of Japanese Islands." In International Perspectives in Geography, 9–33. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2316-6_2.

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Miyauchi, Hisamitsu, and Satoshi Suyama. "Conventional Studies of Japanese Islands." In International Perspectives in Geography, 9–33. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2316-6_2.

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Banno, Shohei. "Metamorphism in an Island ARC—The Japanese Islands." In Dynamic Processes of Material Transport and Transformation in the Earth’s Interior, 433–52. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-011-3314-2_25.

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Anderson, Mark. "Language shift in the Ryukyu Islands." In Routledge Handbook of Japanese Sociolinguistics, 370–88. New York, NY : Routledge, [2019]: Routledge, 2019. http://dx.doi.org/10.4324/9781315213378-24.

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Okuda, Hiroko. "Historical Narratives in Japanese School Textbooks." In The Dispute Over the Diaoyu/Senkaku Islands, 51–79. New York: Palgrave Macmillan US, 2014. http://dx.doi.org/10.1057/9781137443366_3.

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Wakita, Koji. "Geology of the Japanese Islands: An Outline." In Geoheritage, Geoparks and Geotourism, 9–17. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61896-8_2.

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Suyama, Satoshi. "Cultural and Social Overview of Japanese Islands." In International Perspectives in Geography, 1–8. Singapore: Springer Nature Singapore, 2022. http://dx.doi.org/10.1007/978-981-19-2316-6_1.

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Pugliese, Giulio, and Aurelio Insisa. "The Senkaku/Diaoyu Islands Dispute: Mirror of Shifting Axes of Power." In Sino-Japanese Power Politics, 43–56. London: Palgrave Macmillan UK, 2016. http://dx.doi.org/10.1057/978-1-137-59554-6_3.

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Suzuki, Takeshi, and Shusuke Murai. "How the Japanese Legacy Media Covered the Senkaku Controversy." In The Dispute Over the Diaoyu/Senkaku Islands, 141–68. New York: Palgrave Macmillan US, 2014. http://dx.doi.org/10.1057/9781137443366_6.

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Murai, Shusuke, and Takeshi Suzuki. "How the Japanese Social Media Users Discussed the Senkaku Controversy." In The Dispute Over the Diaoyu/Senkaku Islands, 169–99. New York: Palgrave Macmillan US, 2014. http://dx.doi.org/10.1057/9781137443366_7.

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Conference papers on the topic "Japanese Islands"

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Sasao, Eiji. "The Long-Term Stability of Geological Environments in the Various Rock Types in Japan From the Perspective of Uranium Mineralization." In ASME 2010 13th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2010. http://dx.doi.org/10.1115/icem2010-40039.

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Long-term stability of the geological environment is one of the important keys for deep geological disposal of high-level radioactive waste in the Japanese Islands due to their location in a tectonically active island-arc. Uranium occurrences in Japan have been subjected to many geological processes inherent to the island-arc setting. Geological environments associated with uranium mineralization are considered favorable for HLW disposal, because uranium mineralization is considered a natural analogue of the radionuclides in HLW. Studies on the long-term stability of the uranium mineralization in Japan can be instructive as these could provide useful information on the long-term stability of the geological environment. Information on host rock and mode of occurrence of uranium mineralization was compiled from published data. The mineralization occurs in these types of deposits, i.e., sedimentary formations, association with metallic ore mineralization of magmatic origin and stratiform manganese mineralization, pegmatite, and alluvial placer deposit. The mineralization occurs in various geological settings in Japan. This fact suggests that geological environments suitable for geological isolation are widely distributed in the Japanese Islands, despite their location in a geologically active area. This study will support building confidence in HLW disposal in the Japanese Islands.
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Inoue, Kousuke, Kousuke Inoue, Satoquo Seino, Satoquo Seino, Hirokazu Suzaki, and Hirokazu Suzaki. "GEOGRAPHICAL FEATURES OF ROUNDED FIELDS ON MIIRAKU PENINSULA, FUKUE ISLAND, GOTO ISLANDS." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.31519/conferencearticle_5b1b943f7ec454.29403203.

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This study focuses on rounded fields, or “Maruhata” in Japanese, on the Miiraku Peninsula located in northwest Fukue Island, one of the Goto Islands, Nagasaki Prefecture. Maruhata fields are normally used for agriculture, but they may have multiple functions, for example in preventing floods by temporarily holding water during heavy rains. We conducted a field survey at a three-tiered Maruhata field in the Take District in Miiraku in to measure its latitude, longitude, and elevation. The presence of Maruhata fields smooths out the inclined plane and offers a flood prevention function by retaining water within during heavy rains and ameliorate flows by breaking the gradient. In addition, Maruhata fields have a function to prevent mud and soil to flow into the sea and reduce pressure on the fishing ground. We conclude that Maruhata fields have a disaster prevention function owning to their topographic features in addition to their function as agricultural fields.
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Inoue, Kousuke, Kousuke Inoue, Satoquo Seino, Satoquo Seino, Hirokazu Suzaki, and Hirokazu Suzaki. "GEOGRAPHICAL FEATURES OF ROUNDED FIELDS ON MIIRAKU PENINSULA, FUKUE ISLAND, GOTO ISLANDS." In Managing risks to coastal regions and communities in a changing world. Academus Publishing, 2017. http://dx.doi.org/10.21610/conferencearticle_58b431582e04c.

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This study focuses on rounded fields, or “Maruhata” in Japanese, on the Miiraku Peninsula located in northwest Fukue Island, one of the Goto Islands, Nagasaki Prefecture. Maruhata fields are normally used for agriculture, but they may have multiple functions, for example in preventing floods by temporarily holding water during heavy rains. We conducted a field survey at a three-tiered Maruhata field in the Take District in Miiraku in to measure its latitude, longitude, and elevation. The presence of Maruhata fields smooths out the inclined plane and offers a flood prevention function by retaining water within during heavy rains and ameliorate flows by breaking the gradient. In addition, Maruhata fields have a function to prevent mud and soil to flow into the sea and reduce pressure on the fishing ground. We conclude that Maruhata fields have a disaster prevention function owning to their topographic features in addition to their function as agricultural fields.
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Fujihara, Satoru. "One discussion of relationship between underground inelasticity and deformations around the Japanese Islands." In Proceedings of the 8th SEGJ International Symposium. Society of Exploration Geophysicists of Japan, 2006. http://dx.doi.org/10.1190/segj082006-001.17.

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Ikoma, Tomoki, Hiroyuki Osawa, Koichi Masuda, and Hiisaaki Maeda. "Expected Values of Wave Power Absorption Around the Japanese Islands Using OWC Types With Projecting Walls." In ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2011. http://dx.doi.org/10.1115/omae2011-49685.

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This paper describes performance improvement of wave power absorption by using a new concept. Basic system proposed is an oscillating water column (OWC) type. An artificial harbor surrounded by projecting walls is installed. The type is called as PW-OWC in this paper. Standing waves occur in the artificial harbor, the absorbing device consequently has a resonance frequency differing from that of OWC. From the effect, the system is able to absorb wave power in very wide range of the wave frequency. From the experimental results, PW-OWC types are very good performance of wave power absorption comparing with conventional OWC types. In addition, the performance of the PW-OWC type is insensibility to the nozzle ratio of an orifice. The performance can be easily improved by installing the harbor part even if the performance of a base OWC device is not good. Finally, we investigate the expected values of acquirable wave power in not only a year but also every season. The expected values of PW-OWC types are greater than that of conventional OWC ones in seas around the Japanese islands.
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Yamamoto, Joji, Yasuharu Nakajima, Hideyuki Oka, and Sotaro Masanobu. "A Numerical Model for Environmental Impact on Marine Organisms for Seafloor Resources Development." In ASME 2013 32nd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/omae2013-10571.

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The exclusive economic zone (EEZ) of Japan has a very wide area due to a lot of islands in the Japanese Archipelago. Recently, the development of power generation facilities, food production facilities, and the natural resources in the Japanese EEZ are planned. As the worldwide supply and demand of mineral resources are being tight, the technology for effective exploitation and the use of mineral resources in the EEZ will become a key for sustainable development in the Japanese industry. Prior to development of marine mineral resources, it is necessary to evaluate its environmental impact on the water column and seafloor of ocean. However, the environmental evaluation method for open ocean has not been established yet. Then, we are developing the environmental impact prediction model for the seafloor mineral resources development in deep sea area with the consideration of benthic organisms. This model can estimate the impacts of excavating seafloor and sedimentation of particles on marine organisms using an ecosystem model. In addition, the influence of an increase in dissolved oxygen on bacteria caused by the discharging of oxygen-rich waste water at seafloor, is considered in this model. The ecosystem in this model includes benthic organisms, zooplankton, bacteria, particulate organic matter and dissolved oxygen as the components. This paper introduces the calculation case using the prototype model.
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7

Watanabe, Yoshiyasu, Koichiro Yoshida, and Takeshi Nambara. "Ocean City Planning in the Waters of Okinotorishima." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-24324.

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Okinotorishima is the Japanese southernmost tropical island and has the exclusive economic zone (EEZ) of about 430,000km2 area. It is located approximately 1,700km away from Tokyo and 1,100km away from Okinawa and consists of a coral reef of 7.6km2 area and two islands within the reef. In the waters of Okinotorishima, sea bottom mineral resources such as manganese nodule and cobalt rich manganese crust, biological resources such as fish and renewable energy resources such as ocean thermal energy conversion (OTEC), wind force and solar power are promising. The objective of this research is to propose an OCEAN CITY Planning to administrate and utilize Okinotorishima and its surrounding waters (EEZ) and to report the development of mechanical connector, which is a key technology to construct the OCEAN CITY in its waters. In the OCEAN CITY, economic activity, research and development (R&D) activity and sightseeing/leisure activity are performed based on the resources mentioned above. The proposed OCEAN CITY consists of a semisubmersible floating ring structure and a semisubmersible floating rectangular runway. The ring structure and the runway are constructed with mechanically connected multiple floating units of about 300m length each. Both semisubmersible structures are also connected by mechanical connectors. In this paper, it is shown that the OCEAN CITY can produce electricity, water and food for the use in the city and for the sale outside the city. It is also shown that the mechanical connector, which is indispensable for very large floating structures such as the proposed OCEAN CITY used in open seas, has been promisingly developed.
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8

Yoshikawa, Hidekazu. "A Proposal on Ultimate Safety Disposal of High Level Radioactive Wastes." In 2013 21st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icone21-15117.

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The ultimate disposal of high-level radioactive waste (HLW) becomes a hard issue for sustainable nuclear energy in Japan especially after Fukushima Daiichi accident. In this paper, the difficulty of realizing underground HLW disposal in Japanese islands is first discussed from socio-political aspects. Then, revival of old idea of deep seabed disposal of HLW in Pacific Ocean is proposed as an alternative way of HLW disposal. Although this had been abandoned in the past for the reason that it will violate London Convention which prohibits dumping radioactive wastes in public sea, the author will stress the merit of seabed disposal of HLW deep in Pacific Ocean not only from the view point of more safe and ultimate way of disposing HLWs (both vitrified and spent fuel) than by underground disposal, but also the emergence of new marine project by synergetic collaboration of rare-earth resource exploration from the deep sea floor in Pacific Ocean.
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9

Suzuki, Hideyuki, Koichiro Yoshida, Kazuhiro Iijima, and Kentaro Kobayashi. "Response Characteristics of Semisubmersible-Type-Megafloat in Waves and Accuracy of Hydroelastic Response Analysis Program VODAC." In ASME 2002 21st International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2002. http://dx.doi.org/10.1115/omae2002-28215.

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Technical feasibility and practical design method of SSMF, a Semi-Submersible-Type-Megafloat, was studied under research funding from Corporation for Advanced Transport and Technology. A SSMF which serves as a airport for local air transportation of isolated islands was assumed in the research. Typical deck size of the SSMF is 2200m long, 300m wide and 9m deep. In the design of the SSMF, column supported type structure was chosen to satisfy the strength and functional requirements in the environmental condition around Japanese islands in the pacific ocean. The deck structure is supported by 320 columns with draft of 16m. In the design of structural dynamics of the SSMF, a computer code VODAC was adopted to calculate hydro-elastic response. VODAC is an analysis program of hydro-elastic response of Very Large Floating Structure (VLFS) which has been developed in University of Tokyo. This paper presents a series of experiments and calculations carried out to investigate response characteristics of SSMF and to confirm capability and accuracy of VODAC. Basin experiments were carried out using a scale model, which is elastically and dynamically similar to the designed SSMF airport, and the response characteristics were clarified. A simple numerical model was also proposed as a simplified model of dynamic response of VLFS. This model is a simple beam on elastic foundation, but it is shown that basic response characteristics of the structure can be relatively accurately expressed by this model. Design parameters were discussed using this model. Relationships between major design parameters and dynamic response characteristics were clarified. Furthermore it was shown that this model is not just a qualitative model but gives relatively accurate estimation of the response. It is shown that this model gives upper limits of response of real structure and a good safe side estimation.
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10

Ikoma, Tomoki, Hiroaki Eto, Koichi Masuda, and Atsuhiro Oguchi. "A Towing Test of a Floating Type VAMT With Cycloidal Pitch-Controlled Blades." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-77443.

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Sea areas around the Japanese Islands which is feasible for tidal current generation are not a lot because sea sites where tidal current velocity is above 2.0 m/s are a few. We can find such sea sites at a west side of the Kyushu Island especially. However, we would earn electrical energy to be generated if it is able to generate electricity long time using around 1.0 m/s in current velocity. A vertical axis turbine should be better than horizontal axis types because VATs can take relatively higher torque. It is very useful that we can set and control a marine turbine to be higher performance in various current velocity. The present study introduce variable pitch-control system to a vertical axis turbine for tidal current generation. The pitch-control system adapts a cycloidal mechanism so that to vary pitch angle of turbine blades is conducted mechanically. The study developed a vertical axis marine turbine with cycloidal pitch-controlled three blades which was based on previous studies and experimental data. The diameter of the turbine is 1.0 m, length of a blade is 1.3 m. The turbine was set on a floating structure in order to carry out towing tests at a sea. We obtained several kinds of data from the towing tests, which were turbine torque, the number of rotation of the turbine, output power from an electrical generator and acceleration of the floating structure. As a result, the turbine made 50 W power from the generator. Although the PTO was not so large, the pitch-control was effective very much. Some issues were found at the same time. We need to consider and develop more useful gears, assemble methods to be feasible of variable pitch system.
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Reports on the topic "Japanese Islands"

1

Szabó, Péter Bálint. Japan’s Posture in a Potential Taiwan Conflict. Külügyi és Külgazdasági Intézet, 2023. http://dx.doi.org/10.47683/kkielemzesek.ke-2023.01.

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This paper explores Japan’s position in relation to Taiwan including Japanese policy options in different potential conflict scenarios around the island. Japan has a substantial stake in the conflict, given its economic ties to China and Taiwan, energy security, and its military alliance with the United States. In recent years, Japan’s deterrence capabilities were greatly enhanced by the reinterpretation of its constitution in 2014, as well as the development of its military capabilities. Regardless of its pacifist heritage, its geographic proximity and diplomatic as well as security relations make Japan an innate part of any conflict over the fate of Taiwan. The main conclusion is that these factors, as well as its vital economic and strategic interests make the Japanese position not radically different from other countries reacting to similar crises.
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Boyle, Maxwell, and Elizabeth Rico. Terrestrial vegetation monitoring at Cape Hatteras National Seashore: 2019 data summary. National Park Service, January 2022. http://dx.doi.org/10.36967/nrr-2290019.

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The Southeast Coast Network (SECN) conducts long-term terrestrial vegetation monitoring as part of the nationwide Inventory and Monitoring Program of the National Park Service (NPS). The vegetation community vital sign is one of the primary-tier resources identified by SECN park managers, and monitoring is currently conducted at 15 network parks (DeVivo et al. 2008). Monitoring plants and their associated communities over time allows for targeted understanding of ecosystems within the SECN geography, which provides managers information about the degree of change within their parks’ natural vegetation. The first year of conducting this monitoring effort at four SECN parks, including 52 plots on Cape Hatteras National Seashore (CAHA), was 2019. Twelve vegetation plots were established at Cape Hatteras NS in July and August. Data collected in each plot included species richness across multiple spatial scales, species-specific cover and constancy, species-specific woody stem seedling/sapling counts and adult tree (greater than 10 centimeters [3.9 inches {in}]) diameter at breast height (DBH), overall tree health, landform, soil, observed disturbance, and woody biomass (i.e., fuel load) estimates. This report summarizes the baseline (year 1) terrestrial vegetation data collected at Cape Hatteras National Seashore in 2019. Data were stratified across four dominant broadly defined habitats within the park (Maritime Tidal Wetlands, Maritime Nontidal Wetlands, Maritime Open Uplands, and Maritime Upland Forests and Shrublands) and four land parcels (Bodie Island, Buxton, Hatteras Island, and Ocracoke Island). Noteworthy findings include: A total of 265 vascular plant taxa (species or lower) were observed across 52 vegetation plots, including 13 species not previously documented within the park. The most frequently encountered species in each broadly defined habitat included: Maritime Tidal Wetlands: saltmeadow cordgrass Spartina patens), swallow-wort (Pattalias palustre), and marsh fimbry (Fimbristylis castanea) Maritime Nontidal Wetlands: common wax-myrtle (Morella cerifera), saltmeadow cordgrass, eastern poison ivy (Toxicodendron radicans var. radicans), and saw greenbriar (Smilax bona-nox) Maritime Open Uplands: sea oats (Uniola paniculata), dune camphorweed (Heterotheca subaxillaris), and seabeach evening-primrose (Oenothera humifusa) Maritime Upland Forests and Shrublands: : loblolly pine (Pinus taeda), southern/eastern red cedar (Juniperus silicicola + virginiana), common wax-myrtle, and live oak (Quercus virginiana). Five invasive species identified as either a Severe Threat (Rank 1) or Significant Threat (Rank 2) to native plants by the North Carolina Native Plant Society (Buchanan 2010) were found during this monitoring effort. These species (and their overall frequency of occurrence within all plots) included: alligatorweed (Alternanthera philoxeroides; 2%), Japanese honeysuckle (Lonicera japonica; 10%), Japanese stilt-grass (Microstegium vimineum; 2%), European common reed (Phragmites australis; 8%), and common chickweed (Stellaria media; 2%). Eighteen rare species tracked by the North Carolina Natural Heritage Program (Robinson 2018) were found during this monitoring effort, including two species—cypress panicgrass (Dichanthelium caerulescens) and Gulf Coast spikerush (Eleocharis cellulosa)—listed as State Endangered by the Plant Conservation Program of the North Carolina Department of Agriculture and Consumer Services (NCPCP 2010). Southern/eastern red cedar was a dominant species within the tree stratum of both Maritime Nontidal Wetland and Maritime Upland Forest and Shrubland habitat types. Other dominant tree species within CAHA forests included loblolly pine, live oak, and Darlington oak (Quercus hemisphaerica). One hundred percent of the live swamp bay (Persea palustris) trees measured in these plots were experiencing declining vigor and observed with symptoms like those caused by laurel wilt......less
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3

Boyle, Maxwell, and Elizabeth Rico. Terrestrial vegetation monitoring at Fort Pulaski National Monument: 2019 data summary. National Park Service, December 2021. http://dx.doi.org/10.36967/nrds-2288716.

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The Southeast Coast Network (SECN) conducts long-term terrestrial vegetation monitoring as part of the nationwide Inventory and Monitoring Program of the National Park Service (NPS). The vegetation community vital sign is one of the primary-tier resources identified by SECN park managers, and monitoring is currently conducted at 15 network parks (DeVivo et al. 2008). Monitoring plants and their associated communities over time allows for targeted understanding of ecosystems within the SECN geography, which provides managers information about the degree of change within their parks’ natural vegetation. 2019 marks the first year of conducting this monitoring effort on four SECN parks, including Fort Pulaski National Monument (FOPU). Twelve vegetation plots were established at Fort Pulaski National Monument in August. Data collected in each plot included species richness across multiple spatial scales, species-specific cover and constancy, species-specific woody stem seedling/sapling counts and adult tree (greater than 10 centimeters [3.9 inches {in}]) diameter at breast height (DBH), overall tree health, landform, soil, observed disturbance, and woody biomass (i.e., fuel load) estimates. This report summarizes the baseline (year 1) terrestrial vegetation data collected at Fort Pulaski National Monument in 2019. Data were stratified across two dominant broadly defined habitats within the park (Maritime Tidal Wetlands and Maritime Upland Forests and Shrublands). Noteworthy findings include: Sixty-six vascular plant taxa were observed across 12 vegetation plots, including six taxa not previously known from the park. Plots were located on both Cockspur and McQueen’s Island. The most frequently encountered species in each broadly defined habitat included: Maritime Tidal Wetlands: smooth cordgrass (Spartina alterniflora), perennial saltmarsh aster(Symphyotrichum enuifolium), and groundsel tree (Baccharis halimifolia) Maritime Upland Forests and Shrublands: yaupon (Ilex vomitoria), southern/eastern red cedar (Juniperus silicicola + virginiana), and cabbage palmetto (Sabal palmetto). Four non-native species identified as invasive by the Georgia Exotic Pest Plant Council (GA-EPPC 2018) were found during this monitoring effort. These species (and their overall frequency of occurrence within all plots) included: Japanese honeysuckle (Lonicera japonica; 17%), bahiagrass (Paspalum notatum; 8%), Vasey’s grass (Paspalum urvillei; 8%), and European common reed (Phragmites australis; 8%). Two rare plants tracked by the Georgia Department of Natural Resources (GADNR 2013) were found during this monitoring effort. These include Florida wild privet (Forestiera segregata) and Bosc’s bluet (Oldenlandia boscii). Southern/eastern red cedar and cabbage palmetto were the most dominant species within the tree stratum of the maritime Upland Forest and Shrubland habitat type. Species that dominated the sapling and seedling strata of this type included yaupon, cabbage palmetto, groundsel tree, and Carolina laurel cherry (Prunus caroliniana). The health status of sugarberry (Celtis laevigata)—a typical canopy species in maritime forests of the South Atlantic Coastal Plain--observed on park plots appeared to be in decline, with most stems experiencing elevated levels of dieback and low vigor. Over the past decade, this species has been experiencing unexplained high rates of dieback and mortality throughout its range in the Southeastern United States; current research is focusing on what may be causing these alarming die-off patterns. Duff and litter made up the majority of downed woody biomass (fuel loads) across FOPU vegetation plots.
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