The 15th Symposium on Polar Science (3 – 5 December 2024)
[OB] Polar Biology
Scope
This session covers the following research topics.
Polar marine biology and ecosystem -including (but not limited to) the studies of environment, biogeochemistry, and method.
Polar terrestrial ecosystem -environment, biodiversity, and biological responses.
Conveners : Akinori Takahashi and Kunio Takahashi (NIPR)
Oral presentations (10:00 – 11:55, 13:00 – 15:00)
Room: Auditorium (B201)
Date: Tue. 2 December
| Chair: Akinori Takahashi (NIPR) | |||
|---|---|---|---|
| 10:00 - 10:05 | Message from the Convener | Akinori Takahashi (NIPR) | |
| OBo1 | 10:05 - 10:35 | Diving into the world of penguins- insights from penguin-borne cameras | *Pierre Pistorius (Nelson Mandela Univ.) |
| OBo2 | 10:35 - 10:55 | Unsuccessful foragers rely on social information acquired through group departure and travel: evidence from Adélie penguins | *Toshitaka Imaki (SOKENDAI), Nobuo Kokubun (NIPR, SOKENDAI), Akinori Takahashi (NIPR, SOKENDAI) |
| OBo3 | 10:55 - 11:15 | Emergence of a prey depletion halo through penguin–krill behavioural dynamics | *Hina T. Watanabe (NIPR, CEBC), Junichi Takagi (Kyoto Univ.), Akinori Takahashi (NIPR, SOKENDAI) |
| OBo4 | 11:15 - 11:35 | Exploring narwhal surface behavior with drone in Inglefield Bredning (Kangerlussuaq), northwest Greenland | *Monica Ogawa (NIPR), Mamarut Kristiansen (Qaanaaq, Greenland), Evgeny Podolskiy (Hokkaido Univ.) |
| OBo5 | 11:35 - 11:55 | Seafloor video monitoring in a glacial fjord, Inglefield Bredning, Greenland | *Evgeny Podolskiy (Hokkaido Univ.), Monica Ogawa (NIPR), Kohei Hasegawa (Hokkaido Univ.), Makoto Tomiyasu (Hokkaido Univ.), Shin Sugiyama (Hokkaido Univ.), Yoko Mitani (Kyoto Univ.) |
| Lunch | |||
| Chair: Toru Hirawake (NIPR) | |||
| OBo6 | 13:00 - 13:20 | Impact of Freshwater Supply and Sea Ice Remnants on Phytoplankton in the Pacific Arctic Ocean | *Dai Sumiyoshi (Hokkaido Univ.), Amane Fujiwara (JAMSTEC), Manami Tozawa (NIPR), Kohei Matsuno (Hokkaido Univ.) |
| OBo7 | 13:20 - 13:40 | Taxonomic overview of marine eukaryotic communities off Wilkes Land | *Ayumi Maeda (AORI, The Univ. of Tokyo), Sijun Chen (AORI, The Univ. of Tokyo), Miyuki Nishijima (AIST), Akira Iguchi (AIST), Atsushi Suzuki (AIST), Ryosuke Makabe (NIPR), Kohei Mizobata (Tokyo Univ. of Marine Science and Tech.), Naomi Harada (AORI, The Univ. of Tokyo) |
| OBo8 | 13:40 - 14:00 | Isolation of β-glucan exopolysaccharide producing bacteria strains from Antarctic marine sediment | *Seng Kew Wee (Univ. Malaysia Kelantan), Nursyafiqah Binti Shafi’e (Univ. Malaysia Kelantan), Yoke Kqueen Cheach (Univ. Putra Malaysia) |
| Chair: Sakae Kudoh (NIPR) | |||
| OBo9 | 14:00 - 14:20 | Streptomyces spp. in Antarctic Extremes: Growth Resilience and Bioactive Compound Discovery | *Clemente Michael Vui Ling Wong (Univ. Malaysia Sabah), Zi Ang Chen (Univ. Malaysia Sabah), Paris Lavin (Univ. Antofagasta) |
| OBo10 | 14:20 - 14:40 | Life on Ice: Adaptation of Antarctic Yeast to Temperature Variation and Environmental Pollution | *Izwan Bharudin (Univ. Kebangsaan Malaysia), Ain Nur Afifah Azman (Univ. Kebangsaan Malaysia), Noor Haza Fazlin Hashim (NAHRIM), Simonetta Corsolini (Univ. Siena), Mohd. Faizal Abu Bakar (MGVI), Farah Diba Abu Bakar (Univ. Kebangsaan Malaysia), Abdul Munir Abdul Murad (Univ. Kebangsaan Malaysia) |
| OBo11 | 14:40 - 15:00 | 7600 Years of Photosynthetic Community Transitions in a Freshwater Lake in Antarctica | *Natsume Takahira (SOKENDAI), Sakae Kudoh (NIPR, SOKENDAI), Shu-Kuan Wong (NIPR), Masaki Uchida (NIPR, SOKENDAI), Yusuke Suganuma (NIPR, SOKENDAI), Moto Kawamata (SOKENDAI, Civil Engineering Research Inst. for Cold Region), Kota Katsuki (Shimane Univ.), Daisuke Shibata (Univ. Tsukuba, Kanagawa Inst. of Tech.), Takeshige Ishiwa (NIPR, SOKENDAI) |
Poster presentations (Core time: 15:30 – 17:30)
Room: Atrium (1st floor)
Date: Tue. 2 December
| OBp1 | Direct video evidence of pteropod predation highlights foraging flexibility in Adélie penguins | *Hina T. Watanabe (NIPR, CEBC), Akiko Kato (CEBC), Léo Marcouillier (CEBC), Thierry Raclot (IPHC), Frédéric Angelier (CEBC), Yan Ropert-Coudert (CEBC), Akinori Takahashi (NIPR, SOKENDAI) |
|---|---|---|
| OBp2 | Annual variations in the post-fledging movements of Adélie penguins | *Tatsuro Kitagawa (SOKENDAI), Nobuo Kokubun (NIPR, SOKENDAI), Toshitaka Imaki (SOKENDAI), Akinori Takahashi (NIPR, SOKENDAI) |
| OBp3 | Sex determination of breeding Adélie penguins (Pygoscelis adeliae) in Lützow-Holm Bay, East Antarctica | Nobuo Kokubun (NIPR, SOKENDAI), Kenichi Watanabe (NIPR), Toshitaka Imaki (SOKENDAI), *Akinori Takahashi (NIPR, SOKENDAI) |
| OBp4 | Foraging and Breeding of Rhinoceros Auklets on Todojima Island, under the Different Oceanic Regimes | *Tatsuki Kojima (Toyo Univ.), Jumpei Okado (Nagoya Univ.), Kentaro Kazama (Waseda Univ.), Yutaka Watanuki (Hokkaido Univ.), Shunsuke Nibe (Toyo Univ.), Motohiro Ito (Toyo Univ.) |
| OBp5 | Navigating a hazardous seascape: post-fledging movements and survival of rhinoceros auklets | *Akinori Takahashi (NIPR, SOKENDAI), Toshitaka Imaki (SOKENDAI), Tatsuro Kitagawa (SOKENDAI) |
| OBp6 | Multi-factor Controls of Seasonal Climate–Ocean–Phytoplankton Linkages over Two Decades in the Southern Ocean | *Hitomi Tanaka (Kyoto Univ.), Hideyuki Doi (Kyoto Univ.), Ryosuke Iritani (RIKEN) |
| OBp7 | Analysis of cold tolerance of the ice algal species Fragilariopsis cylindrus during freezing and thawing processes | *Yui Matsumoto (Kyoto Univ. Advanced Sciences), Nobue Kasamatsu-Takasawa (KUAS), Shunsuke Kazariya (KUAS), Mariko Nagano (KUAS), Ryosuke Makabe (NIPR) |
| OBp8 | Spatial distribution of prokaryotic community structures off Totten Glacier in the Southern Ocean | *Hayato Mizogami (Soka Univ.), Ryo Matsuda (Soka Univ.), Kosuke Oji (TUMSAT), Ryosuke Makabe (Tokyo Univ. of Marine Science and Tech., NIPR, SOKENDAI), Norio Kurosawa (Soka Univ.) |
| OBp9 | Summer Distribution Patterns of Zooplankton in the Surface Layer of the Southern Ocean | *Kosuke Oji (Tokyo Univ. of Marine Science and Tech.), Ryosuke Makabe (NIPR, SOKENDAI, Tokyo Univ. of Marine Science and Tech.) |
| OBp10 | Seasonal variation in abundance and vertical distribution of the Parmales community in the Oyashio region, western North Pacific | *Mutsuo Ichinomiya (Pref. Univ. Kumamoto), Kazumasa Yamada (Fukui Pref. Univ.), Yukiko Taniuchi (Japan Fisheries Research and Education), Yuji Okazaki (Japan Fisheries Research and Education), Hiroshi Kuroda (Hokkaido Univ.), Akira Kuwata (Japan Fisheries Research and Education) |
| OBp11 | Analyses of heterocyclic compounds degradation by Antarctic soil bacterium strain BS19 | Riina Nakano (Shibaura Inst. of Tech.), *Haruka Hara (Shibaura Inst. of Tech.), Azham Zulkharnain (Shibaura Inst. of Tech.) |
| OBp12 | Microbial diversity of the Arklio Glacier in the Canadian High Arctic | *Masaharu Tsuji (Nagaoka Univ. Tech.), Wawrick F. Vincent (Laval Univ.), Masaki Uchida (NIPR, SOKENDAI) |
| OBp13 | Characterization of Ring-cleavage Dioxygenase for Carbazole Metabolism from Antarctic Bacterium Strain BS19 | Kazutomo Yamazaki (Shibaura Inst. of Tech.), *Taiga Fujihara (Shibaura Inst. of Tech.), Azham Zulkharnain (Shibaura Inst. of Tech.) |
| OBp14 | First report of Pythium monospermum in Spitsbergen Island | *Yoshiya Akimoto (Osaka Metro. Univ.), Nanako Saga (Osaka Metro. Univ.), Masaki Uchida (NIPR, SOKENDAI), Motoaki Tojo (Osaka Metro. Univ.) |
| OBp15 | Triggers of Rapid CO₂ Flux from Ground Surface at Sub-Zero Temperatures | *Masaki Uchida (NIPR, SOKENDAI), Seiichiro Yonemura (Pref. Univ. Hiroshima) |
| OBp16 | Chemical changes in decomposing leaves and stems of Salix arctica as elucidated with ATR-FTIR | Takuya Takao (Doshisha Univ.), *Takashi Osono (Doshisha Univ.), Masaki Uchida (NIPR) |