Reduced ice loss from Greenland under stratospheric aerosol injection

Hokkaido University issued a press release regarding the research conducted by the research group including Prof. Ralf Greve (Divisions of Earth System Science).

URL: https://doi.org/10.1029/2023JF007112
Detail (Japanese): https://www.hokudai.ac.jp/news/2024/01/post-1374.html

Towards a Cenozoic History of Atmospheric CO2

Hokkaido University issued a press release regarding the research conducted by the research group including Assoc. Prof. Osamu Seki (Divisions of Earth System Science).

URL: https://doi.org/10.1126/science.adi5177
Detail (Japanese): https://www.hokudai.ac.jp/news/2023/12/6500co2.html

Noise pollution alters the diet composition of invertebrate consumers both in and beyond a noise-exposed grassland ecosystem

Hokkaido University issued a press release regarding the research conducted by the research group including Assoc. Prof. Masayuki Senzaki (Divisions of Environmental Science Development).

URL: https://onlinelibrary.wiley.com/doi/10.1111/ele.14323
Detail (Japanese): https://www.hokudai.ac.jp/news/2023/12/post-1362.html

Assessing impacts of coastal warming, acidification, and deoxygenation on Pacific oyster (Crassostrea gigas) farming: A case study in the Hinase Area, Okayama Prefecture and Shizugawa Bay, Miyagi Prefecture, Japan

Hokkaido University issued a press release regarding the research conducted by the research group including Prof. Masahiko Fujii and Master’s course student Ryuji Hamanoue (at the time) (Divisions of Environmental Science Development).

URL: https://doi.org/10.5194/bg-20-4527-2023
Detail (Japanese): https://www.hokudai.ac.jp/news/pdf/231124_pr2.pdf

Cold-induced Suspension and Resetting of Ca2+ and Transcriptional Rhythms in the Suprachiasmatic Nucleus Neurons

Hokkaido University issued a press release regarding the research conducted by the research group including Prof. Yoshifumi Yamaguchi (Divisions of Biosphere Science).

URL: https://doi.org/10.1016/j.isci.2023.108390
Detail (Japanese): https://www.hokudai.ac.jp/news/pdf/231122_pr2.pdf

Sensitivity of the West Antarctic Ice Sheet to 2 Degrees Celsius of Warming (SWAIS2C)

Hokkaido University issued a press release regarding the research project conducted by the research group including Assoc. Prof. Osamu Seki (Division of Earth System Science).

Detail (Japanese PDF): https://www.hokudai.ac.jp/news/pdf/231121_pr.pdf
Project URL: https://www.swais2c.aq/media/antarctic-mission-the-discovery-for-our-lifetime

SE-Dome Ⅱ ice core dating with half-year precision: Increasing melting events from 1799 to 2020 in southeastern Greenland

Hokkaido University issued a press release regarding the research conducted by the research group including Dr. Kaoru Kawakami, Assoc. Prof. Yoshihiro Iizuka, Assist. Prof. Sumito Matoba (Divisions of Earth System Science).

URL: https://doi.org/10.1029/2023JD038874
Detail (Japanese): https://www.hokudai.ac.jp/news/2023/10/post-1334.html

Spontaneous recurrence of a summer-like diel rhythm in the body temperature of the Syrian hamster after hibernation

Hokkaido University issued a press release regarding the research conducted by the research group including Ph.D. student Satoshi Nakagawa and Prof. Yoshifumi Yamaguchi (Divisions of Biosphere Science).

URL: https://doi.org/10.1098/rspb.2023.0922
Detail (Japanese): https://www.hokudai.ac.jp/news/2023/10/post-1333.html

Joint Research to Promote Degradation of Biodegradable Plastic Products Begins

Faculty of Environmental Earth Science and Nihon Yamamura Glass Co., Ltd. have begun joint research to explore the possibility of using enzymes and bacteria to accelerate the degradation of biodegradable plastic products.

Detail (Japanese): https://www.hokudai.ac.jp/news/pdf/231012_pr2.pdf

Evaluation of multiple behavioral responses of sika deer to human hunting pressures

Hokkaido University issued a press release regarding the research conducted by the research group including Dr. Takashi Ikeda and Assoc. Prof. Itsuro Koizumi (Divisions of Biosphere Science).

URL: https://wildlife.onlinelibrary.wiley.com/doi/10.1002/jwmg.22499
Detail (Japanese): https://www.hokudai.ac.jp/news/2023/10/post-1323.html

Asian dust-deposition flux to the subarctic Pacific estimated using single quartz particles

Hokkaido University issued a press release regarding the research conducted by the research group including Prof. Jun Nishioka (Division of Earth System Science).

URL: https://www.nature.com/articles/s41598-023-41201-6

Detail (Japanese): https://www.hokudai.ac.jp/news/pdf/231002_pr.pdf

Hydrodynamics rather than type of coastline shapes self-recruitment in anemonefishes

Hokkaido University issued a press release regarding the research conducted by the research group including Ph.D. Student (at the time) Masaaki Sato and Prof. Masahiro Nakaoka (Divisions of Biosphere Science).

URL: https://doi.org/10.1002/lno.12399

Detail (Japanese): https://www.hokudai.ac.jp/news/2023/09/post-1308.html

Effects of multiple stressors on recruitment of long-lived endangered freshwater mussels

Hokkaido University issued a press release regarding the research conducted by the research group including PhD. student (at the time) Kazuki Miura and Assoc. Prof. Junjiro Negishi (Divisions of Environmental Science Development).

URL: https://doi.org/10.1002/aqc.3998

Detail (Japanese): https://www.hokudai.ac.jp/news/2023/09/post-1302.html

Helicopter-based ocean observations capture broad ocean heat intrusions towards the Totten Ice Shelf

Hokkaido University issued a press release regarding the research conducted by the research group including Assist. Prof. Yoshihiro Nakayama, Assoc. Prof. Shigeru Aoki (Divisions of Earth System Science).

URL: https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2022GL097864

Detail (Japanese): https://www.hokudai.ac.jp/news/2023/09/post-1303.html

History of the terrestrial isopod genus Ligidium in Japan based on phylogeographic analysis

Hokkaido University issued a press release regarding the research conducted by the research group including Ph.D. student (at the time) Wakana Harigai, Prof. (at the time) Hitoshi Suzuki and Prof. Masanobu Yamamoto (Divisions of  Earth System Science).

URL: https://doi.org/10.1186/s12862-023-02144-8

Detail (Japanese): https://www.hokudai.ac.jp/news/2023/08/dna-9.html

mTORC1 regulates phagosome digestion of symbiotic bacteria for intracellular nutritional symbiosis in a deep-sea mussel

Hokkaido University issued a press release regarding the research conducted by the research group including Prof. Yoshito Chikaraishi (Divisions of Division of Earth System Science).

URL: https://www.science.org/doi/10.1126/sciadv.adg8364

Detail (Japanese): https://www.hokudai.ac.jp/news/pdf/230824_pr.pdf

On-Shelf Circulation of Warm Water Toward the Totten Ice Shelf in East Antarctica

Hokkaido University issued a press release regarding the research conducted by the research group including Assoc. Prof. Shigeru Aoki, Prof. Kayichiro Ohshima, Assist. Prof. Yoshihiro Nakayama (Divisions of Earth System Science).

URL: https://www.nature.com/articles/s41467-023-39764-z

Detail (Japanese): https://www.hokudai.ac.jp/news/pdf/230822_pr2.pdf

Dynamic Behavior of Intermediate Adsorbates to Control Activity and Product Selectivity in Heterogeneous Catalysis: Methanol Decomposition on Pt/TiO2(110)

Hokkaido University issued a press release regarding the research conducted by the research group including Prof. Satoru Takakusagi (Divisions of Material Science).

URL: https://doi.org/10.1021/jacs.3c06405

Detail (Japanese): https://www.hokudai.ac.jp/news/2023/08/post-1288.html

Belowground spectroscopy ― Novel spectral approach for estimation of vertical and species-specific distributions of forest soil characteristics and heterotrophic respiration

Hokkaido University issued a press release regarding the research conducted by the research group including Assoc. Prof. Tatsuro Nakaji (Divisions of  Biosphere Science).

URL: https://doi.org/10.1016/j.agrformet.2023.109563

Detail (Japanese): https://www.hokudai.ac.jp/news/2023/08/post-1278.html

Sustainability challenges, opportunities, and solutions for long-term ecosystem observations

Hokkaido University issued a press release regarding the research conducted by the research group including Prof. Masahiro Nakamura (Divisions of Biosphere Science).

URL: https://doi.org/10.1098/rstb.2022.0192

Detail (Japanese): https://www.hokudai.ac.jp/news/2023/07/post-1256.html

Estimation of Stand Biomass and Species-Specific Biomass in Japanese Northern Mixed Forests in 1920-1930’s: Understanding Environmental Factors Affecting Carbon Sequestration before Recent Climate Change

Hokkaido University issued a press release regarding the research conducted by the research group including Prof. Toshiya Yoshida (Divisions of Biosphere Science).

URL: https://www.sciencedirect.com/journal/ecological-indicators

Detail (Japanese): https://www.hokudai.ac.jp/news/pdf/230622_pr2.pdf

Stationary and Transient Asymmetric Features in Tropical Cyclone Eye with Wavenumber-1 Instability

Hokkaido University issued a press release regarding the research conducted by the research group including Prof. Takeshi Horinouchi (Division of Earth Science Development, Atomospheric-Ocean and Climate Dynamics Course)

Paper Title: Stationary and Transient Asymmetric Features in Tropical Cyclone Eye with Wavenumber-1 Instability: Case Study for Typhoon Haishen (2020) with Atmospheric Motion Vectors from 30-Second Imaging
URL: https://doi.org/10.1175/MWR-D-22-0179.1
Detail (Japanese): PDF

Acoustic Sensing of Glacial Discharge in Greenland

Hokkaido University issued a press release regarding the research conducted by the research group including Prof. Podolskiy Evgeny, Mr. Takuro Imazu and Prof. Shin Sugiyama (Division of Earth Science Development, Cryosphere Science Course)

Paper Title: Acoustic Sensing of Glacial Discharge in Greenland
URL：https://doi.org/10.1029/2023GL103235
Detail (Japanese): PDF

Localized Strong Warming and Humidification over Winter Japan Tied to Sea Ice Retreat

Hokkaido University issued a press release regarding the research conducted by the research group including Dr. Kenta Tamura and Prof. Tomonori Sato (Division of Environmental Science Development, Human and Ecological Systems Course)

Paper Title: Localized Strong Warming and Humidification over Winter Japan Tied to Sea Ice Retreat
URL：https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2023GL103522

Detail (PDF)

Multiple episodes of ice loss from the Wilkes Subglacial Basin during the Last Interglacial

Detail (PDF)

Contribution of tree community structure to forest productivity across a thermal gradient in eastern Asia

Hokkaido University issued a joint press release regarding the research conducted by the international research group including Emeritus Professor. Takashi S. Kohyama.

Please visit links below for more details.
Research Press Release (PDF in Japanese)

Parasites either reduce or increase host vulnerability to fishing: a case study of aparasitic copepod and its salmonid host

Hokkaido University issued a press release regarding the research conducted by the research group led by Ph.D. student. Ryota Hasegawa (Divisions of Biosphere Science) and Assoc. Prof. Itsuro Koizumi (Divisions of Biosphere Science).

Please visit links below for more details.
Research Press Release (in English)

Dissolved iron concentration and the solubility inferred by humic-like fluorescentdissolved organic matter in the intermediate water in the North Pacific including the marginal seas

Hokkaido University issued a press release regarding the research conducted by the research group including Assoc. Prof. Youhei Yamashita and Prof. Jun Nishioka (Divisions of Earth System Science).

Please visit links below for more details.
Research Press Release (PDF in Japanese)

Interannual variations of sea-ice extent in the Okhotsk Sea—A Pan-Okhotsk climate systemperspective

Hokkaido University issued a joint press release regarding the research conducted by the research group including Prof. Humio Mitsudera(Divisions of Earth System Science).

Please visit links below for more details.
Research Press Release (PDF in Japanese)

Hydrothermal-derived black carbon as a source of recalcitrant dissolved organic carbon in the ocean

Hokkaido University issued a joint press release regarding the research conducted by the research group including Assoc. Prof. YOUHEI YAMASHITA(Divisions of Earth System Science) and Master’s course student. YUTARO MORI(Divisions of Earth System Science) (at the time) .

Please visit links below for more details.
Research Press Release (PDF in Japanese)

Intentional release of native species undermines ecological stability

Hokkaido University issued a joint press release regarding the research conducted by the research group including Assist. Prof. Masayuki Senzaki (Divisions of Environmental Science Development).

Please visit links below for more details.
Research Press Release (PDF in Japanese)

High plant diversity and characteristic plant community structure in broad leaved evergreen forests on Amami-Oshima and Tokunoshima Islands, Japanʼs newest natural World Heritage Site

Hokkaido University issued a joint press release regarding the research conducted by the research group including Prof. Shin-ichiro Aiba (Divisions of Earth System Science).

Please visit links below for more details.
Research Press Release (PDF in Japanese)

First record for lesser Japanese mole Mogera imaizumii (Soricomorpha, Talpidae) fromDogo, Oki Islands, Japan

Hokkaido University issued a press release regarding the research conducted by the research group including Emeritus Professor. Hitoshi Suzuki.

Please visit links below for more details.
Research Press Release (PDF in Japanese)

Mothocya kaorui n. sp. (Crustacea: Isopoda: Cymothoidae), a fish-parasitic isopod with unique antennules from the Izu Islands, Japan

Hokkaido University issued a joint press release regarding the research conducted by the research group including Visiting Assoc. Prof. Ryota Kawanishi.

Please visit links below for more details.
Research Press Release (PDF in Japanese)

Role of nutrients and temperature in shaping distinct summer phytoplankton andmicrozooplankton population dynamics in the western North Pacific and Bering Sea

Hokkaido University issued a press release regarding the research conducted by the international research group including Prof. Jun Nishioka and Prof. Koji Suzuki (Divisions of Earth System Science).

Please visit links below for more details.
Research Press Release (PDF in Japanese)

Increased oceanic dimethyl sulfide emissions in areas of sea ice retreat inferred from a Greenland ice core

Hokkaido University issued a press release regarding the research conducted by the research group including Assist. Prof. Sumito Matoba and Assoc. Prof. Yoshinori Iizuka(Divisions of Earth System Science).

Please visit links below for more details.
Research Press Release (PDF in Japanese)

Systematic headwater sampling of white-spotted charr reveals stream capture events across dynamic topography.

Hokkaido University issued a joint press release regarding the research conducted by the research group including Assoc. Prof. Itsuro Koizumi (Divisions of Biosphere Science).

Please visit links below for more details.
Research Press Release (PDF in Japanese)

Press Release(Prof. Shin-ichiro Noro)

Hokkaido University issued a joint press release regarding the research conducted by the research group including Prof. Shin-ichiro Noro (Divisions of Environmental Science Development).

Please visit links below for more details.
Research Press Release (PDF in Japanese)

The interannual variability of sea ice area, thickness, and volume in the southern Sea of Okhotsk and its likely factors

Hokkaido University issued a press release regarding the research conducted by the research group including Assist. Prof. Takenobu Toyota, Prof. Jun Nishioka and Prof. Humio Mitsudera(Divisions of Earth System Science).

Please visit links below for more details.
Research Press Release (PDF in Japanese)

The significance of trophic transfer of microplastics in the accumulation of plastic additives in fish: An experimental study using brominated flame retardants and UV stabilizers.

Hokkaido University issued a joint press release regarding the research conducted by the international research group including Master’s course student. Takaaki Hasegawa (at the time) (Divisions of Biosphere Science ) and Prof. Masahiro Nakaoka (Divisions of Biosphere science).

Please visit links below for more details.
Research Press Release (PDF in Japanese)

Interspecific tandem flights in nocturnally migrating terrestrial birds

Hokkaido University issued a joint press release regarding the research conducted by the research group led by Assist. Prof. Masayuki Senzaki(Divisions of Biosphere Science).

Please visit links below for more details.
Research Press Release (PDF in Japanese)

Enhanced Arctic moisture transport toward Siberia in autumn revealed by tagged moisture transport model experiment

Hokkaido University issued a joint press release regarding the research conducted by the research group including Assoc. Prof. Tomonori Sato （Section of integrated Environmental science) and Dr. Nakamura Tetsu (Section of integrated Environmental science).

Please visit links below for more details.
Research Press Release (PDF in Japanese)

Novel production of β-cryptoxanthin in haskap (Lonicera caerulea subsp. edulis) hybrids: Improvement of carotenoid biosynthesis by interspecific hybridization

Hokkaido University issued a press release regarding the research conducted by the research group including Prof.Yoichiro Hoshino (Divisions of　Biosphere Science).

Please visit links below for more details.
Research Press Release (PDF in Japanese)

Meltwater discharge from marine-terminating glaciers drives biogeochemical conditions in a Greenlandic fjord

Hokkaido University issued a joint press release regarding the research conducted by the research group including Prof. Shin Sugiyama, Prof. Jun Nishioka, Assoc. Prof. Youhei Yamashita (Divisions of Earth System Science).

Please visit links below for more details.
Research Press Release (PDF in Japanese)

Dominant frazil ice production in the Cape Darnley polynya leading to Antarctic Bottom Water formation

Hokkaido University issued a joint press release regarding the research conducted by the research group including Prof. KAY I. OHSHIMA (Divisions of　Earth System Science).

Please visit links below for more details.
Research Press Release (PDF in Japanese)

Development of crystal orientation fabric in the Dome Fuji ice core in East Antarctica:implications for the deformation regime in ice sheets

Hokkaido University issued a joint press release regarding the research conducted by the research group including Assoc. Prof. Yoshinori Iizuka(Divisions of Earth System Science).
Please visit links below for more details.
Research Press Release (PDF in Japanese)

Three years in the dark: life history and trophic traits of the hyporheic stonefly, Alloperla ishikariana Kohno, 1953(Plecoptera, Chloroperlidae)

Hokkaido University issued a press release regarding the research conducted by the research group led by, Assoc. Prof. J. N. Negishi (Division of Environmental Science).

Please visit links below for more details.

Research Press Release (PDF in Japanese) 

Strange attractor of a narwhal (Monodon monoceros)

Hokkaido University issued a press release regarding the research conducted by the research group led by, Assoc. Prof. Evgeny A. Podolskiy (Division of Earth System Science).

Please visit links below for more details.

Research Press Release (PDF in Japanese)

Abrupt drainage of Lago Greve, a large proglacial lake in Chilean Patagonia, observed by satellite in 2020

Hokkaido University issued a press release regarding the research conducted by the research group led by, Master’s student. Shuntaro Hata (Division of Earth System Science), Prof. Shin Sugiyama(Division of Earth System Science).

Please visit links below for more details.

Research Press Release (PDF in Japanese) 

High flux of small sulfate aerosols during the 1970s reconstructed from the SE-Dome ice core in Greenland

Hokkaido University issued a press release regarding the research conducted by the research group led by, Assoc. Prof. Yoshinori Iizuka(Division of Earth System Science).

Please visit links below for more details.

Research Press Release (PDF in Japanese)

Early snowmelt by an extreme warming event affects understory more than overstory trees in Japanese temperate forests

Hokkaido University issued a press release regarding the research conducted by the research group led by Assoc. Prof. Kobayashi Makoto (Division of Biosphere Science).

Please visit links below for more details.

Research Press Release (PDF in Japanese) 

Glacier mass change on the Kamchatka Peninsula, Russia, from 2000 to 2016

Hokkaido University issued a press release regarding the research conducted by the research group led by at that time Master’s student. Shungo Fukumoto(Division of Earth System Science), Prof. Shin Sugiyama, Prof. Humio Mitsudera and Assoc. Prof. Takayuki Shiraiwa (Division of Earth System Science).

Please visit links below for more details.

Research Press Release (PDF in Japanese)

Warm surface waters increase Antarctic ice shelf melt and delay dense water formation

Hokkaido University issued a joint press release regarding the research conducted by the research group including Assoc. Prof. Shigeru Aoki (Division of Earth System Science).

Please visit links below for more details.

Research Press Release (PDF in Japanese) 

Functional Diversity and Evolution of Bitter Taste Receptors in Egg-Laying Mammals

Hokkaido University issued a joint press release regarding the research conducted by the research group including Assist. Prof. Takashi Hayakawa (Division of Biosphere Science).

Please visit links below for more details.

Research Press Release (PDF in Japanese)

Quantifying the impacts of 166 years of land cover change on lowland bird communities

Hokkaido University issued a joint press release regarding the research conducted by the research group including Assist. Prof. Masayuki Senzaki (Division of Environmental Science Development).

Please visit links below for more details.

Research Press Release (PDF in Japanese)

Shoaling of abyssal ventilation in the Eastern Indian Sector of the Southern Ocean

Hokkaido University issued a joint press release regarding the research conducted by the research group including Assoc. Prof. Shigeru Aoki (Divisions of Earth System Science).

Please visit links below for more details.

Research Press Release (PDF in Japanese) 

Outcrossing syndrome in alpine plants: Implications for flowering phenology andpollination success

Hokkaido University issued a press release regarding the research conducted by the research group led by Assoc. Prof. Gaku Kudo (Divisions of Biosphere Science).

Please visit links below for more details.

Research Press Release (PDF in Japanese)｣

Increased interglacial atmospheric CO2 levels followed the mid-Pleistocene Transition

Hokkaido University issued a joined press release regarding the research conducted by the international research group including Prof. Masanobu Yamamoto and Assoc. Prof. Osamu Seki  (Divisions of Earth System Science).
 
Please visit links below for more details.
 
Research Press Release (PDF in Japanese)

Mass loss of the Greenland ice sheet until the year 3000 under a sustained late-21st-century climate

Hokkaido University issued a press release regarding the research conducted by the research group led by Dr. Ralf Greve  (Divisions of Earth System Science).

Please visit links below for more details.

Research Press Release (PDF in Japanese)

Impact of climate change on hunter-fisher-gatherer cultures in northern Japan over the past 4400 years

Hokkaido University issued a press release regarding the research conducted by the research group led by Prof. Masanobu Yamamoto and Assoc. Prof.. Osamu Seki  (Divisions of Earth System Science).

Please visit links below for more details.

Research Press Release (PDF in Japanese)