Search Results - "MITANI, Yoko"

Fin whale (Balaenoptera physalus) song pattern in the southern Chukchi Sea by Furumaki, Shiho, Tsujii, Koki, Mitani, Yoko

“…The number of migrating fin whales ( Balaenoptera physalus ) appears to be increasing in the Pacific Arctic after changes in the marine ecosystem and…”
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Spatial distribution of the protist community in the southern part of the Okhotsk Sea off Hokkaido during summer by Hamao, Yusuke, Matsuno, Kohei, Mitani, Yoko, Yamaguchi, Atsushi

“…The southern part of the Okhotsk Sea off Hokkaido has rich fishery resources supported by high primary production. The phytoplankton community has been…”
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Tidal effects on periodical variations in the occurrence of singing humpback whales in coastal waters of Chichijima Island, Ogasawara, Japan by Tsujii, Koki, Akamatsu, Tomonari, Okamoto, Ryosuke, Mori, Kyoichi, Mitani, Yoko

“…Marine organisms inhabiting coastal waters are known to be driven by periodic cycles such as diel, tidal, and seasonal changes. Humpback whales ( Megaptera…”
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Author Correction: Tidal effects on periodical variations in the occurrence of singing humpback whales in coastal waters of Chichijima Island, Ogasawara, Japan by Tsujii, Koki, Akamatsu, Tomonari, Okamoto, Ryosuke, Mori, Kyoichi, Mitani, Yoko

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Seasonal and diel changes in cetacean vocalizations monitored by passive acoustic methods in Nemuro Strait adjacent to the Shiretoko World Natural Heritage Site by Otsuki, Mayuko, Akamatsu, Tomonari, Nobetsu, Takahiro, Mitani, Yoko

“…UNESCO World Natural Heritage sites are established to ensure the long‐term conservation of natural areas. Nemuro Strait in northern Japan is adjacent to the…”
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Change in singing behavior of humpback whales caused by shipping noise by Tsujii, Koki, Akamatsu, Tomonari, Okamoto, Ryosuke, Mori, Kyoichi, Mitani, Yoko, Umeda, Naoya

“…Reactions of singing behavior of individual humpback whales (Megaptera novaeangliae) to a specific shipping noise were examined. Two autonomous recorders…”
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Intraspecific differences in the diet of Kuril harbor seals (Phoca vitulina stejnegeri) in Erimo, Hokkaido, using DNA barcoding diet analysis by Jimbo, Mina, Kita, Yuki F., Kobayashi, Mari, Mitani, Yoko

“…Competition between Kuril harbor seals ( Phoca vitulina stejnegeri ) and salmon set-net fishing industries has become a serious problem with the recent…”
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Two species of seabirds foraged in contrasting marine habitats across the cold-water belt along the coast of northern Hokkaido in the southwestern Okhotsk Sea by Nishizawa, Bungo, Okado, Jumpei, Mitani, Yoko, Nakamura, Tomohiro, Yamaguchi, Atsushi, Mukai, Tohru, Watanuki, Yutaka

“…To understand the environmental factors affecting the density of foraging seabirds across the cold-water belt in the southwestern Okhotsk Sea, we conducted a…”
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Fall distribution and diversity of cetaceans along the southern and eastern coasts of Hokkaido, Japan by Furumaki, Shiho, Shigematsu, Saki, Iwahara, Yuka, Mitani, Yoko

“…The southern and eastern coasts of Hokkaido, part of the western North Pacific and the southern Sea of Okhotsk, are productive regions with a high degree of…”
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Interchanges and movements of humpback whales in Japanese waters: Okinawa, Ogasawara, Amami, and Hokkaido, using an automated matching system by Kobayashi, Nozomi, Kondo, Satomi, Tsujii, Koki, Oki, Katsuki, Hida, Masami, Okabe, Haruna, Yoshikawa, Takashi, Ogawa, Ryuta, Lee, Chonho, Higashi, Naoto, Okamoto, Ryosuke, Ozawa, Sachie, Uchida, Senzo, Mitani, Yoko

“…Humpback whales in the western North Pacific are considered endangered due to their small population size and lack of information. Although previous studies…”
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Annual variation of oceanographic conditions changed migration timing of bowhead whales Balaena mysticetus in the southern Chukchi Sea by Tsujii, Koki, Otsuki, Mayuko, Akamatsu, Tomonari, Amakasu, Kazuo, Kitamura, Minoru, Kikuchi, Takashi, Fujiwara, Amane, Shirakawa, Hokuto, Miyashita, Kazushi, Mitani, Yoko

“…The Chukchi Sea environment changes considerably in physical and biological conditions, driven by the expanding volume of warm Pacific summer water. These…”
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Correction to: Intraspecific differences in the diet of Kuril harbor seals (Phoca vitulina stejnegeri) in Erimo, Hokkaido, using DNA barcoding diet analysis by Jimbo, Mina, Kita, Yuki F., Kobayashi, Mari, Mitani, Yoko

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Estimation of the feeding record of pregnant Antarctic minke whales (Balaenoptera bonaerensis) using carbon and nitrogen stable isotope analysis of baleen plates by Uchida, Mayuka, Suzuki, Ippei, Ito, Keizo, Ishizuka, Mayumi, Ikenaka, Yoshinori, Nakayama, Shouta M. M., Tamura, Tsutomu, Konishi, Kenji, Bando, Takeharu, Mitani, Yoko

“…Antarctic minke whales ( Balaenoptera bonaerensis ) are migratory capital breeders that experience intensive summer feeding on Antarctic krill ( Euphausia…”
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Linking mesopelagic prey abundance and distribution to the foraging behavior of a deep-diving predator, the northern elephant seal by Saijo, Daisuke, Mitani, Yoko, Abe, Takuzo, Sasaki, Hiroko, Goetsch, Chandra, Costa, Daniel P., Miyashita, Kazushi

“…The Transition Zone in the eastern North Pacific is important foraging habitat for many marine predators. Further, the mesopelagic depths (200–1000m) host an…”
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Geographically specific underwater vocalizations of ribbon seals (Histriophoca fasciata) in the Okhotsk Sea suggest a discrete population by Mizuguchi, Daisuke, Mitani, Yoko, Kohshima, Shiro

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Diel changes in ribbon seal Histriophoca fasciata vocalizations during sea ice presence in the Nemuro Strait, Sea of Okhotsk by Otsuki, Mayuko, Akamatsu, Tomonari, Nobetsu, Takahiro, Mizuguchi, Daisuke, Mitani, Yoko

“…Ice-breeding seals use vocal communication mainly during breeding season. The vocal function of aquatic mating, ice-associated ribbon seals ( Histriophoca…”
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Stroke frequency, but not swimming speed, is related to body size in free-ranging seabirds, pinnipeds and cetaceans by Sato, Katsufumi, Watanuki, Yutaka, Takahashi, Akinori, Miller, Patrick J.O, Tanaka, Hideji, Kawabe, Ryo, Ponganis, Paul J, Handrich, Yves, Akamatsu, Tomonari, Watanabe, Yuuki, Mitani, Yoko, Costa, Daniel P, Bost, Charles-André, Aoki, Kagari, Amano, Masao, Trathan, Phil, Shapiro, Ari, Naito, Yasuhiko

“…=0.99,…”
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Uridine Diphosphate-Glucuronosyltransferase (UGT) 2B Subfamily Interspecies Differences in Carnivores by Kondo, Takamitsu, Ikenaka, Yoshinori, Nakayama, Shouta M M, Kawai, Yusuke K, Mizukawa, Hazuki, Mitani, Yoko, Nomiyama, Kei, Tanabe, Shinsuke, Ishizuka, Mayumi

“…UDP-glucuronosyltransferases (UGTs) are among the most important xenobiotic metabolizing enzymes that conjugate a wide range of chemicals. Previous studies…”
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Three-dimensional resting behaviour of northern elephant seals: drifting like a falling leaf by Mitani, Yoko, Andrews, Russel D., Sato, Katsufumi, Kato, Akiko, Naito, Yasuhiko, Costa, Daniel P.

“…never haul out on land and they rarely spend more than a few minutes at a time at the surface. They are almost constantly making repetitive, deep dives,…”
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Energy-Rich Mesopelagic Fishes Revealed as a Critical Prey Resource for a Deep-Diving Predator Using Quantitative Fatty Acid Signature Analysis by Goetsch, Chandra, Conners, Melinda G., Budge, Suzanne M., Mitani, Yoko, Walker, William A., Bromaghin, Jeffrey F., Simmons, Samantha E., Reichmuth, Colleen, Costa, Daniel P.

“…Understanding the diet of deep-diving predators can provide essential insight to the trophic structure of the mesopelagic ecosystem. Comprehensive…”
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