Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Koki TSUJII"'
Autor:
Masanori TAKUMA, Koki TSUJII, Ken-ichi SAITOH, Yoshimasa TAKAHASHI, Tomohiro SATO, Yutaka NIKI
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 90, Iss 930, Pp 23-00271-23-00271 (2024)
The 3D printer using Fused Deposition Modeling (FDM) is attracting attention as a manufacturing technology that is able to reduce the production time and the manufacturing costs. However, the information on the mechanical properties and the process p
Externí odkaz:
https://doaj.org/article/2bfd7b0dd15944b4ad3d68dd506b7f80
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-11 (2022)
Abstract Marine organisms inhabiting coastal waters are known to be driven by periodic cycles such as diel, tidal, and seasonal changes. Humpback whales (Megaptera novaeangliae) breed in shallow and warm coastal waters, with males singing complex son
Externí odkaz:
https://doaj.org/article/c62a7d1031a341ca8149daec85e0dd67
Publikováno v:
Scientific Reports, Vol 13, Iss 1, Pp 1-1 (2023)
Externí odkaz:
https://doaj.org/article/568f541366de4e85b41dfe9b971761ee
Autor:
Nozomi Kobayashi, Satomi Kondo, Koki Tsujii, Katsuki Oki, Masami Hida, Haruna Okabe, Takashi Yoshikawa, Ryuta Ogawa, Chonho Lee, Naoto Higashi, Ryosuke Okamoto, Sachie Ozawa, Senzo Uchida, Yoko Mitani
Publikováno v:
PLoS ONE, Vol 17, Iss 11, p e0277761 (2022)
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
Externí odkaz:
https://doaj.org/article/77a59f7e7a7a4d94bb8d291a8c8c1d73
Publikováno v:
PLoS ONE, Vol 13, Iss 10, p e0204112 (2018)
Reactions of singing behavior of individual humpback whales (Megaptera novaeangliae) to a specific shipping noise were examined. Two autonomous recorders separated by 3.0 km were used for the acoustic monitoring of each individual song sequence. A pa
Externí odkaz:
https://doaj.org/article/e118aa16b74543ab9eeeed32a29f13da
Publikováno v:
Aquatic Mammals. 2023, Vol. 49 Issue 3, p282-287. 6p.
Autor:
Minoru Kitamura, Koki Tsujii, Takashi Kikuchi, Kazushi Miyashita, Mayuko Otsuki, Tomonari Akamatsu, Hokuto Shirakawa, Kazuo Amakasu, Amane Fujiwara, Yoko Mitani
Publikováno v:
Polar Biology. 44:2289-2298
The Chukchi Sea environment changes considerably in physical and biological conditions, driven by the expanding volume of warm Pacific summer water. These environmental changes can affect the migration timing of baleen whales in the southern Chukchi
Publikováno v:
Japanese Journal of Ornithology. 70:189-192
Publikováno v:
Polar biology. 44(5):1021-1027
The number of migrating fin whales (Balaenoptera physalus) appears to be increasing in the Pacific Arctic after changes in the marine ecosystem and recovering from depletion by commercial whaling. Fin whale songs are sequences of sounds produced repe
Autor:
Yoko Mitani, Amane Fujiwara, Daisuke Mizuguchi, Kazushi Miyashita, Koki Tsujii, Mina Jimbo, Hokuto Shirakawa
Publikováno v:
Polar Biology. 42:1953-1958
The seasonal habitat use of bearded seals is important information in terms of conservation of this species. However, their distribution outside the breeding season has not been well documented. We investigated seasonal variations in the call occurre