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Статті в журналах з теми "Ogasawara"

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Автор: Grafiati

Опубліковано: 10 грудня 2022

Оновлено: 28 січня 2023

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1

C, Liu, Chen W B, and Shi R X. "Ogasawara Islands." Journal of Global Change Data & Discovery 2, no. 2 (2018): 220–23. http://dx.doi.org/10.3974/geodp.2018.02.17.

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2

Nakagun, Shotaro, Laetitia I. Smoll, Takayuki Sato, Cynthia A. A. Layusa, and Jo Marie V. Acebes. "Interchange of humpback whales (Megaptera novaeangliae) between northern Philippines and Ogasawara, Japan, has implications for conservation." Pacific Conservation Biology 26, no. 4 (2020): 378. http://dx.doi.org/10.1071/pc19003.

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Анотація:

Humpback whales (Megaptera novaeangliae) in the western North Pacific breed in the Philippines and Japan, where there is relatively little scientific data available, leading to uncertainty about their population status and structure. This study investigates links between humpback whale populations in northern Philippines and Ogasawara, Japan, through a comparison of the most recent fluke identification catalogues. The Philippines catalogue (1999–2016) included 234 individuals, and the Ogasawara catalogue (1987–2014), 1389 individuals. The number of matched individuals was 86 (including 14 known females and 40 known males), corresponding to 36.8% of the Philippines and 6.2% of the Ogasawara catalogues. The findings included four within-season matches, with travel times as short as 25 days. The results suggest that a considerable portion of whales utilising Philippine waters pass through and also utilise the Ogasawara region, but the majority of whales found off Ogasawara either stay in that location, move to different breeding grounds, or remain out of the sampling area. Nevertheless, in light of the high site fidelity of individuals in the Philippines and Ogasawara area, as well as constant evidence of breeding activities, these regions are of importance to the lesser known western North Pacific subpopulation. Humpback whales migrating to this part of the world are estimated to be in relatively low abundance, therefore continued conservation attention is needed.

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3

Kobayashi, Nozomi, Satomi Kondo, Koki Tsujii, Katsuki Oki, Masami Hida, Haruna Okabe, Takashi Yoshikawa, et al. "Interchanges and movements of humpback whales in Japanese waters: Okinawa, Ogasawara, Amami, and Hokkaido, using an automated matching system." PLOS ONE 17, no. 11 (November 17, 2022): e0277761. http://dx.doi.org/10.1371/journal.pone.0277761.

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Humpback whales in the western North Pacific are considered endangered due to their small population size and lack of information. Although previous studies have reported interchanges between regions within a population, the relationship between the geographic regions of a population in Japan is poorly understood. Using 3,532 fluke photo IDs of unique individuals obtained from four areas in Japan: Hokkaido, six IDs (2009–2019); Ogasawara, 1,477 IDs, from two organizations (1) Everlasting nature of Asia (1987–2020) and (2) Ogasawara Whale Watching Association, (1990–2020); Amami, 373 IDs (1992–1994, 2005–2016); Okinawa, 1,676 IDs (1990–2018), interchanges were analyzed. The ID matchings were conducted using an automated system with an 80.9% matching accuracy. Interchange and within-region return indices were also calculated. As a result, number of matches and interchange indices follow locations, Hokkaido-Okinawa (3, 0.31), Amami-Ogasawara (36, 0.06), Amami-Okinawa (222, 0.37), and Okinawa-Ogasawara (225, 0.08), respectively. Interchange indices among Japanese areas were much higher than the indices between Ogasawara/Okinawa and Hawaii (0.01) and Mexico (0.00) reported in previous studies, indicating that the Japanese regions are utilized by the same population. At the same time, the frequency of interchanges among the three breeding areas vary, and the high within-region return indices in respective breeding areas suggest the site fidelity of the whales in each area at some level. These results indicate the existence of several groups within the population which are possibly be divided into at least two groups based on geographical features: one tend to utilize Ogasawara and the Mariana Archipelago; the other utilize Amami, Okinawa, and the Philippines, migrating along the Ryukyu and Philippine Trench. The matching results also suggest that Hokkaido is possibly be utilized as a corridor between northern feeding areas and southern breeding areas at least by individuals migrating to Okinawa area.

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4

Kawagucci, Shinsuke, Akiko Makabe, Taketoshi Kodama, Yohei Matsui, Chisato Yoshikawa, Etsuro Ono, Masahide Wakita, Takuro Nunoura, Hiroshi Uchida, and Taichi Yokokawa. "Hadal water biogeochemistry over the Izu–Ogasawara Trench observed with a full-depth CTD-CMS." Ocean Science 14, no. 4 (July 13, 2018): 575–88. http://dx.doi.org/10.5194/os-14-575-2018.

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Abstract. Full-depth profiles of hydrographic and geochemical properties at the Izu–Ogasawara Trench were observed for the first time using a CTD-CMS (conductivity–temperature–depth profiler with carousel multiple sampling) system. Additionally, comparative samplings were done at the northern Mariana Trench using the same methods. A well-mixed hydrographic structure below 7000 m was observed within the Izu–Ogasawara Trench. Seawater samples collected from this well-mixed hadal layer exhibited constant concentrations of nitrate, phosphate, silicate, and nitrous oxide as well as constant nitrogen and oxygen isotopic compositions of nitrate and nitrous oxide. These results agree well with previous observations of the Izu–Ogasawara hadal waters and deep-sea water surrounding the Izu–Ogasawara Trench. In turn, methane concentrations and isotopic compositions indicated spatial heterogeneity within the well-mixed hadal water mass, strongly suggesting a local methane source within the trench, in addition to the background methane originating from the general deep-sea bottom water. Sedimentary compound releases, associated with sediment re-suspensions, are considered to be the most likely mechanism for generating this significant CH4 anomaly.

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5

Chiba, Yuka, and Tadashi Suzuki. "Breeding Biology of the Ogasawara Buzzard Endemic to the Ogasawara (Bonin) Islands." Ornithological Science 10, no. 2 (December 2011): 119–29. http://dx.doi.org/10.2326/osj.10.119.

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6

Takano, Toshiyuki, Shinichi Kusakabe, and Terumi Mukai. "The Genetic Structure of Natural Populations of Drosophila melanogaster. XX. Comparison of Genotype-Environment Interaction in Viability Between a Northern and a Southern Population." Genetics 117, no. 2 (October 1, 1987): 245–54. http://dx.doi.org/10.1093/genetics/117.2.245.

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ABSTRACT In order to examine the operation of diversifying selection as the maintenance mechanism of excessive additive genetic variance for viability in southern populations in comparison with northern populations of Drosophila melanogaster, two sets of experiments were conducted using second chromosomes extracted from the Ogasawara population (a southern population in Japan) and from the Aomori population (a northern population in Japan). Chromosomal homozygote and heterozygote viabilities were estimated in eight kinds of artificially produced breeding environments. The main findings in the present investigation are as follows: (1) Significant genotype-environment interaction was observed using chromosomes extracted from the Ogasawara population. Indeed, the estimate of the genotype-environment interaction variance for heterozygotes was significantly larger than that of the genotypic variance. On the other hand, when chromosomes sampled from the Aomori population were examined, that interaction variance was significant only for homozygotes and its value was no more than one quarter of that for the chromosomes from the Ogasawara population. (2) The average genetic correlation between any two viabilities of the same lines estimated in the eight kinds of breeding environments for the chromosomes sampled from the Ogasawara population was smaller than that for the chromosomes from the Aomori population both in homozygotes and in heterozygotes, especially in the latter. (3) The stability of heterozygotes over homozygotes against fluctuations of environmental conditions was seen in the chromosomes from the Ogasawara population, but not from the Aomori population. (4) From the excessive genotype-environment interaction variance compared with the genotypic variance in heterozygotes, it was suggested for the chromosomes from the Ogasawara population that the reversal of viability order between homozygotes took place in some environments at the locus level. On the basis of these findings, it is strongly suggested that diversifying selection is operating in a southern population of D. melanogaster on some of the viability polygenes which are probably located outside the structural loci, and the excessive additive genetic variance of viability in southern populations is maintained by this type of selection.

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7

Darling, J. D., and K. Mori. "Recent observations of humpback whales (Megaptera novaeangliae) in Japanese waters off Ogasawara and Okinawa." Canadian Journal of Zoology 71, no. 2 (February 1, 1993): 325–33. http://dx.doi.org/10.1139/z93-045.

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Анотація:

The current status of humpback whales in waters off Ogasawara and Okinawa islands, Japan, and the relationship of these populations to each other and to humpback whales in the central-eastern North Pacific were investigated. Fluke-identification photographs collected from 1987 to 1990 were analyzed to estimate abundance and determine individual behavior patterns, and were compared with humpback photoidentifications from other regions. In total, 177 humpbacks were identified. At the end of the study period the rate of discovery of "new" whales was still high, suggesting a substantially larger overall population. Whales were commonly sighted throughout the Ogasawara archipelago from December to May, and were present during the same period near the Kerama Islands, Okinawa. Humpback whales were not regularly seen near Saipan in the Northern Mariana Islands, or near Kenting, Taiwan. Repeat sightings of individuals indicate that some whales were present for extended periods off Ogasawara. The predominant behavior patterns were those related to calving and mating. Two whales were identified in both the Okinawa and Ogasawara regions in different years, suggesting that both regions are used by the same population. Identification of one whale in both Japan and Hawaii (reported elsewhere) indicates the potential for mixing of western and eastern North Pacific humpback populations; the overall matching effort to date suggests that this interchange is relatively small.

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8

Yoshitomi, Hiroyuki, Haruki Karube, and Masakazu Hayashi. "A new species of the genus Ochthebius (Coleoptera, Hydraenidae) from the Ogasawara Islands, Japan, with a description of the larva." ZooKeys 855 (June 13, 2019): 95–107. http://dx.doi.org/10.3897/zookeys.855.35677.

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A new species of the genus Ochthebius, O. (O.) sasakiisp. nov., is described from the Ogasawara Islands, Japan, with a description of the larva. This record is the first of the family Hydraenidae from the Ogasawara Islands. This species belongs to the punctatus species group and is similar to two Japanese species, O. (O.) inermis Sharp, 1884 and O. (O.) danjo Nakane, 1990, but it differs from them in both adult and larval characters. The larva of O. (O.) inermis is also described for comparison.

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9

FRISCH, ANDREAS, MARTIN GRUBE, HIROYUKI KASHIWADANI, and YOSHIHITO OHMURA. "Arthoniaceae with reddish, K+ purple ascomata in Japan." Phytotaxa 356, no. 1 (June 13, 2018): 19. http://dx.doi.org/10.11646/phytotaxa.356.1.2.

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Arthonia sanguinaria is described as new to science. The East Asian Arthonia lopingensis and the widely distributed Arthonia picea are reported as new to Japan from Honshu and the Ogasawara Islands, respectively. The phylogenetic position of A. picea, A. sanguinaria and Coniocarpon cinnabarinum from the Ogasawara Islands is shown by RAxML and Bayesian analysis of mtSSU, nLSU and RPB2 sequence data. Our results confirm the polyphyletic origin of quinoid pigments in Arthoniaceae. A key is presented to the Arthoniaceae with reddish ascomata in Japan.

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10

Ishihara, Shun. "Modern Japan and Ogasawara Islands." Japanese Sociological Review 60, no. 1 (2009): 160–62. http://dx.doi.org/10.4057/jsr.60.160.

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11

Yasuba, Yasukichi. "Rejoinder to Hayami and Ogasawara." Journal of the Japanese and International Economies 16, no. 2 (June 2002): 284–85. http://dx.doi.org/10.1006/jjie.2002.0504.

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12

Suzuki, Tadashi, and Hiroyuki Morioka. "Distribution and Extinction of the Ogasawara Islands Honeyeater Apalopteron familiare on Chichijima, Ogasawara Islands." Journal of the Yamashina Institute for Ornithology 37, no. 1 (2005): 45–49. http://dx.doi.org/10.3312/jyio.37.45.

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13

MITA, TOSHIHARU, HIROSHI NAGANO, and MASSIMO OLMI. "Dryinidae and Embolemidae (Hymenoptera, Chrysidoidea) from Anijima, Ogasawara Islands, Japan." Zootaxa 4323, no. 2 (September 21, 2017): 239. http://dx.doi.org/10.11646/zootaxa.4323.2.7.

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The fauna of Dryinidae and Embolemidae from Anijima in Ogasawara Islands, Japan is surveyed. Five species of Dryinidae and one of Embolemidae. Gonatopus adelphos Mita & Olmi, sp. nov. and Ampulicomorpha viator Mita & Olmi, sp. nov. are described and illustrated. Gonatopus tambiniae (Esaki & Hashimoto) is recorded for the first time from Anijima. Anteon achterbergi Olmi, Gonatopus nigricans (R. Perkins) are recorded for the first time from Ogasawara Islands. The male of Dryinus sinicus Olmi is described for the first time. Gonatopus hagoromo Terayama & Ohbayashi is considered junior synonymous of Gonatopus tambiniae (Esaki & Hashimoto).

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14

Sato, Yuki. "Exploring “Borderlity” on the Ogasawara Islands." Journal of Borderlands Studies 26, no. 3 (December 2011): 327–44. http://dx.doi.org/10.1080/08865655.2011.686971.

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15

Takano, T. S., S. Kusakabe, and T. Mukai. "The genetic structure of natural populations of Drosophila melanogaster. XXII. Comparative study of DNA polymorphisms in northern and southern natural populations." Genetics 129, no. 3 (November 1, 1991): 753–61. http://dx.doi.org/10.1093/genetics/129.3.753.

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Abstract Restriction map variation in four gene regions (Adh, Amy, Pu and Gpdh) was surveyed for 86 second chromosomes from northern (Aomori) and southern (Ogasawara) Japanese populations of Drosophila melanogaster (43 chromosomes from each population). The regions examined cover a total of 62 kilobases. Estimates of nucleotide diversity (pi) were approximately constant across the gene regions and populations examined. The distribution of restriction site polymorphisms was compatible with the expectation from the neutral mutation-random genetic drift hypothesis, but insertion/deletion polymorphisms were not consistent with it. While the two populations shared a majority of restriction site polymorphisms, frequencies of individual restriction site variants were significantly different between the two populations at 7 out of 35 segregating sites. In addition, an insertion in the Amy region was found in 15 chromosomes from the Ogasawara sample but absent in the Aomori sample. A considerable difference was observed in the number of rare insertions and deletions between the two populations. The numbers of aberrations uniquely represented were 16 in the Ogasawara sample and only 3 in the Aomori sample. These findings suggest that the two populations were differentiated from each other to some degree by means of random genetic drift and/or other factors.

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16

Ogasawara, Nagahisa, Manhong Zhao, Norimasa Chiba, and Xi Chen. "Comments on “Extracting the plastic properties of metal materials from microindentation tests: Experimental comparison of recently published methods” by B. Guelorget, et al. [J. Mater. Res. 22, 1512 (2007)]: The correct methods of analyzing experimental data and reverse analysis of indentation tests." Journal of Materials Research 23, no. 3 (March 2008): 598–608. http://dx.doi.org/10.1557/jmr.2008.0107.

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Based on microindentation experiments of three different metals, Guelorget et al. [J. Mater. Res. 22, 1512 (2007)] have compared the performance of five different indentation methods on extracting material plastic properties—among them, three papers were proposed by Cao and Lu [Acta Mater.52, 4023 (2004); J. Mater. Res.20, 1194 (2005); J. Mech. Phys. Solids53, 49 (2005)] and two papers were published by our group [Ogasawara et al., Scripta Mater.54, 65 (2006); Zhao et al. Acta Mater.54, 23 (2006)]. They argued that the performances of our techniques in [Ogasawara et al., Scripta Mater.54, 65 (2006); Zhao et al. Acta Mater.54, 23 (2006)] were quite poor. Here we show that Guelorget et al. [J. Mater. Res. 22, 1512 (2007)] have made quite a few mistakes and problematic steps when they handled the experiment data and performed reverse analysis. Indeed, the material plastic properties extracted from the correct procedures based on our papers [Ogasawara et al., Scripta Mater.54, 65 (2006); Zhao et al. Acta Mater.54, 23 (2006)] are much better and more stable than that reported in Guelorget et al. [J. Mater. Res. 22, 1512 (2007)]. Several general issues related to interpreting microindentation data and reverse analysis are also discussed, which may serve as important guidelines for similar studies in the future.

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17

SATOH, KUNIHIRO. "General servey of termites in Ogasawara islands." Wood Preservation 13, no. 1 (1987): 18–29. http://dx.doi.org/10.5990/jwpa.13.18.

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18

KAIHO, Yuka. "Seismicity of the Izu-Ogasawara Arc Region." Journal of Geography (Chigaku Zasshi) 100, no. 4 (1991): 503–13. http://dx.doi.org/10.5026/jgeography.100.503.

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19

Ono, Mikio. "The Flora of the Bonin (Ogasawara) Islands." Aliso 13, no. 1 (1991): 95–105. http://dx.doi.org/10.5642/aliso.19911301.04.

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20

ERCAN, Zafer, and Neşet Özkan TAN. "On Kakutani--Krein and Maeda--Ogasawara spaces." TURKISH JOURNAL OF MATHEMATICS 38 (2014): 136–38. http://dx.doi.org/10.3906/mat-1212-52.

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21

Belokobylskij, Sergey A., and Kaoru Maeto. "Doryctinae (Hymenoptera: Braconidae) of Ogasawara Islands (Japan)." Annales Zoologici 58, no. 1 (March 2008): 125–66. http://dx.doi.org/10.3161/067.058.0107.

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22

Havas, Jarkko, Osamu Saito, Keisuke Hanaki, and Toshinori Tanaka. "Perceived landscape values in the Ogasawara Islands." Ecosystem Services 18 (April 2016): 130–40. http://dx.doi.org/10.1016/j.ecoser.2016.02.036.

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23

Kuriiwa, Kaoru, Hisashi Arihara, Satoru N. Chiba, Shoichi Kato, Hiroshi Senou, and Keiichi Matsuura. "Checklist of marine fishes of the Zunan Islands, located between the Izu and Ogasawara (Bonin) islands, Japan, with zoogeographical comments." Check List 10, no. 6 (December 9, 2014): 1479. http://dx.doi.org/10.15560/10.6.1479.

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The Zunan Islands are located 360–650 km south of Tokyo, and consist of four uninhabited volcanoes: the Bayonnaise Rocks, the Smith Rocks, Torishima Island and the Sofugan Rock. Although all of the elements of the Zunan Islands are tiny islets and rocks, they form a series of stepping stones for shallow water fishes between the Izu Islands in the north and the Ogasawara (Bonin) Islands in the south. We report here the first comprehensive survey of marine fishes in the Zunan Islands. A total of 139 species of fishes (88 genera of 46 families in 11 orders) were recorded on the basis of specimens and/or underwater photographs. Although our survey showed that the fish fauna of the Zunan Islands was more similar to that of the Ogasawara than that of the Izu islands, most of the species from the Zunan Islands occurred in all three island groups.

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24

Karasawa, Shigenori. "Sphaerillo boninensis Nunomura, 1990 (Crustacea, Isopoda, Oniscidea) is a junior synonym of a pantropical species, Venezillo parvus (Budde-Lund, 1885)." ZooKeys 923 (April 1, 2020): 1–14. http://dx.doi.org/10.3897/zookeys.923.26018.

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Re-examination of the holotype and paratype of Sphaerillo boninensis Nunomura, 1990 from Chichijima Island of the Ogasawara archipelago, which is registered as a UNESCO World Heritage Site, indicates that this species is a junior synonym of a pantropical species, Venezillo parvus (Budde-Lund, 1885).

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25

Odo, David R. "Expeditionary Photographs of the Ogasawara Islands, 1875–76." History of Photography 33, no. 2 (May 19, 2009): 185–208. http://dx.doi.org/10.1080/03087290902768123.

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26

Fujio, Shinzou, Daigo Yanagimoto, and Keisuke Taira. "Deep current structure above the Izu-Ogasawara Trench." Journal of Geophysical Research: Oceans 105, no. C3 (March 15, 2000): 6377–86. http://dx.doi.org/10.1029/1999jc900324.

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27

Cunningham, Paul. "Exploring the cultural landscape of theObeikeiin Ogasawara, Japan." Journal of Tourism and Cultural Change 7, no. 3 (September 2009): 221–34. http://dx.doi.org/10.1080/14766820903267371.

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28

Dings, T., and A. C. M. van Rooij. "Generalised weighted composition operators on Maeda–Ogasawara spaces." Indagationes Mathematicae 28, no. 4 (August 2017): 854–62. http://dx.doi.org/10.1016/j.indag.2017.06.008.

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29

Kanayama, Kyoko, Susumu Umino, and Osamu Ishizuka. "Eocene volcanism during the incipient stage of Izu-Ogasawara Arc: Geology and petrology of the Mukojima Island Group, the Ogasawara Islands." Island Arc 21, no. 4 (November 27, 2012): 288–316. http://dx.doi.org/10.1111/iar.12000.

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30

Okochi, Isamu, Hiroki Sato, and Takashi Ohbayashi. "The cause of mollusk decline on the Ogasawara Islands." Biodiversity and Conservation 13, no. 8 (July 2004): 1465–75. http://dx.doi.org/10.1023/b:bioc.0000021334.39072.2d.

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31

CHAPMAN, D. "Different Faces, Different Spaces: Identifying the Islanders of Ogasawara." Social Science Japan Journal 14, no. 2 (April 2, 2011): 189–212. http://dx.doi.org/10.1093/ssjj/jyr003.

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32

Okada, Yuki, Hideki Kumagai, Yoshihiko Morikawa, and Akira Akasawa. "Epidemiology of pediatric allergic diseases in the Ogasawara Islands." Allergology International 65, no. 1 (January 2016): 37–43. http://dx.doi.org/10.1016/j.alit.2015.06.010.

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33

Watanabe, Tsuneo, Yoshio Watanabe, and Takema Fukatsu. "Soil fungal floras in the Bonin (Ogasawara) Islands, Japan." Mycoscience 42, no. 6 (December 2001): 499–502. http://dx.doi.org/10.1007/bf02460948.

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34

Ishikawa, Tadashi. "Empicoris (Insecta : Heteroptera : Reduviidae) from the Ogasawara Islands, Japan." Species Diversity 6, no. 2 (2001): 127–32. http://dx.doi.org/10.12782/specdiv.6.127.

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35

UMINO, SUSUMU. "VOLCANIC GEOLOGY OF CHICHIJIMA, THE BONIN ISLANDS (OGASAWARA ISLANDS)." Journal of the Geological Society of Japan 91, no. 8 (1985): 505–23. http://dx.doi.org/10.5575/geosoc.91.505.

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36

Kitaoka, S., and H. Suzuki. "B40 Two undescribed Culicoides species from the Ogasawara Islands." Medical Entomology and Zoology 49, Supplement (1998): 77. http://dx.doi.org/10.7601/mez.49.77_2.

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37

TAKAHASHI, Narumi, Shuichi KODAIRA, Takeshi SATO, Mikiya YAMASHITA, Yuka KAIHO, Seiichi MIURA, Tetsuo NO, et al. "Velocity Structure of the Izu–Ogasawara Island Arc." Journal of Geography (Chigaku Zasshi) 124, no. 5 (2015): 813–27. http://dx.doi.org/10.5026/jgeography.124.813.

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38

Ito, Motomi, Akiko Soejima, and Mikio Ono. "Allozyme diversity ofPittosporum (Pittosporaceae) on the Bonin (Ogasawara) Islands." Journal of Plant Research 110, no. 4 (December 1997): 455–62. http://dx.doi.org/10.1007/bf02506806.

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39

Abe, Tetsuto, Shun’ichi Makino, and Isamu Okochi. "Why have endemic pollinators declined on the Ogasawara Islands?" Biodiversity and Conservation 17, no. 6 (February 27, 2008): 1465–73. http://dx.doi.org/10.1007/s10531-008-9355-y.

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40

Miura, Seiichi, Aki Ito, Narumi Takahashi, Shuichi Kodaira, and Yoshiyuki Kaneda. "Wide-angle seismic experiment crossing the southern Izu-Ogasawara Arc and multi-channel seismic profiling of the Ogasawara Plateau –KR07-03 cruise–." JAMSTEC Report of Research and Development 6 (November 1, 2007): 39–51. http://dx.doi.org/10.5918/jamstecr.6.39.

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41

Saito-Kokubu, Yoko, Takehiro Mitsuguchi, Takahiro Watanabe, Tsutomu Yamada, Ryuji Asami, and Yasufumi Iryu. "Preliminary Test of the EA-AGE3 System for 14C Measurement of CaCO3 Samples and Coral-Based Estimation of Marine Reservoir Correction in the Ogasawara Islands, Northwestern Subtropical Pacific." Radiocarbon 61, no. 5 (July 25, 2019): 1593–601. http://dx.doi.org/10.1017/rdc.2019.69.

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ABSTRACTWe conducted a preliminary test of the coupled system of an elemental analyzer and the automated graphitization equipment Ionplus AGE3 (EA-AGE3 method) for accelerator mass spectrometry radiocarbon (AMS 14C) measurements of CaCO3 samples, by comparing with the conventional method where the samples are hydrolyzed in phosphoric acid and resulting CO2 gas is manually graphitized in a vacuum line (HPA method). The samples used in the test were the IAEA C2 travertine, fossil and modern corals from the Ryukyu Islands and the Ogasawara Islands, respectively (both are located in the northwestern subtropical Pacific). Results indicate that, relative to the HPA method, the EA-AGE3 method tends to cause an increase of ~0.4–0.5 pMC with more widely scattered data. This is presumably due to 14C contamination in the EA (the most likely cause seems to be a memory effect of 14C); this effect could be reduced by careful optimization of conditions and procedures in the EA process. The 14C data of pre-bomb annual bands (1931–1949 AD) in the modern Ogasawara coral obtained by the HPA method were used to estimate the marine reservoir 14C-age correction (ΔR) of this region; it ranges from –109 yr to –28 yr with the mean value with standard deviation of –81 ± 29 yr.

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42

KOBAYASHI, Satoshi, and Kiyoshi SATAKE. "Distribution patterns of the Ogasawara mitten crab Eriocheir ogasawaraensis and brachyuran crabs in the rivers and streams of Chichi-jima, Ogasawara(Bonin) Islands." Japanese Journal of Limnology (Rikusuigaku Zasshi) 70, no. 3 (2009): 209–24. http://dx.doi.org/10.3739/rikusui.70.209.

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43

Izumi, Takato, and Toshihiko Fujita. "Description of three new species of Scolanthus (Cnidaria, Anthozoa, Actiniaria, Edwardsiidae): first records of the genus from Japan." ZooKeys 794 (November 1, 2018): 1–21. http://dx.doi.org/10.3897/zookeys.794.25243.

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Scolanthusis one genus of Edwardsiidae, a speciose family of burrowing worm-like sea anemones characterized by lacking a physa-like aboral end and by possessing nemathybomes on the whole body except at the distal end. This genus has been recorded worldwide, but there have been no specimens collected from Japan. In this study, we discovered fourScolanthusspecies in Japan for the first time:Scolanthusarmatus(Carlgren, 1931) andScolanthuskopepesp. n.from the Ogasawara Islands,Scolanthusenasp. n.from Ena Bay, Kanagawa, andScolanthusiseisp. n.from Sugashima Island, Mie.

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44

HAYAMA, Kayo. "Invasive Tree Species Control with Herbicide in the Ogasawara Island." TRENDS IN THE SCIENCES 21, no. 8 (2016): 8_24–8_27. http://dx.doi.org/10.5363/tits.21.8_24.

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45

Suzuki, Miki. "Review of Long (2007): English on the Bonin (Ogasawara) Islands." Journal of Pidgin and Creole Languages 23, no. 2 (September 17, 2008): 375–78. http://dx.doi.org/10.1075/jpcl.23.2.16suz.

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Notsu, K., K. Sugiyama, M. Hosoe, A. Uemura, Y. Shimoike, F. Tsunomori, H. Sumino, J. Yamamoto, T. Mori, and P. A. Hernández. "Diffuse CO2 efflux from Iwojima volcano, Izu-Ogasawara arc, Japan." Journal of Volcanology and Geothermal Research 139, no. 3-4 (January 2005): 147–61. http://dx.doi.org/10.1016/j.jvolgeores.2004.08.003.

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Watanabe, Tsuneo, Yoshio Watanabe, and Takema Fukatsu. "Dactylella chichisimensis, sp. nov. in the Bonin (Ogasawara) Islands, Japan." Mycoscience 42, no. 6 (December 2001): 633–35. http://dx.doi.org/10.1007/bf02460964.

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Kramer, Scott, and Hanae Kurihara Kramer. "Shimaya Ichizaemon and Japanese Cartography of the Bonin (Ogasawara) Islands." Imago Mundi 72, no. 1 (December 12, 2019): 52–60. http://dx.doi.org/10.1080/03085694.2020.1675343.

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Kawakubo, Nobumitsu. "Dioecism of the genusCallicarpa (Verbenaceae) in the Bonin (Ogasawara) Islands." Botanical Magazine Tokyo 103, no. 1 (March 1990): 57–66. http://dx.doi.org/10.1007/bf02488411.

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50

Mirza, Sohail, Louis-Pierre Molleyres, and Andrea Vasella. "Synthesis of a Glyoxalase I Inhibitor fromStreptomyces griseosporeus NIIDAet OGASAWARA." Helvetica Chimica Acta 68, no. 4 (June 26, 1985): 988–96. http://dx.doi.org/10.1002/hlca.19850680425.

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