Division of Biosphere Science

Lecture and Thesis

Ph.D. defense Division of Biosphere Science Jul.27

■Time & Date : Jul.27 Mon. 10:00-
Venue : D101
Applicant : 廖 海翔 Hai Xiang Liew
Title :  Site-specific variation in flowering phenology of a spring ephemeral herb, Corydalis ambigua , and implications for population maintenance under seed set variation
Chief Examiner: Associate Prof. Kudo Gaku
Co-Examiners: Prof. Aiba Shinichiro, Prof. Tsuyuzaki Shiro, Prof. Utsumi Shunsuke

Ph.D. defense Division of Biosphere Science Jul.24

■Time & Date : Jul.24 Feb. 9:00-
Venue : D201
Applicant : 王 雪瑩 Wang Xueying
Title :  Flexibility of the gut microbiome in giant pandas: insights from captive populations in Japan
Chief Examiner: Prof. Koshikawa Shigeyuki
Co-Examiners: Prof. Utsumi Syunsuke, Associate Prof. Koizumi Itsuro, Assistant Prof.Hayakawa Takashi

■Time & Date : Jul.24 Feb. 10:30-
Venue : D201
Applicant : 西島 明日香 Nishijima Asuka
Title : Transcriptomic changes in peripheral blood across reproductive stages in female brown bears and polar bears
Chief Examiner: Prof. Koshikawa Shigeyuki
Co-Examiners: Prof. Utsumi Syunsuke, Assistant Prof.Hayakawa Takashi, Associate Prof. Yanagawa Yojiro (Graduate School of Veterinary Medicine)

Ph.D. defense Division of Biosphere Science Jul.15

■Time & Date : Jul.15 Wed. 13:00-

Venue : D101
Applicant : 萩之内 竹斗 Haginouchi Taketo

Title :  Studies on the effects of early-life nutrition on growth, physiological functions, and tissue development in Japanese Black cattle

Chief Examiner: Prof. Gotoh Takafumi
Co-Examiners: Prof. Hoshino Yoichiro, Associate Prof. Suzuki Yutaka, Prof. Matsuzaki Masatoshi (Hirosaki University)

Special lectures in Biosphere Science II

D101 Environmental Science Building

14-15 September
Guest lecturer: Prof. Keihiko Igarashi (University of Tokyo)

17-18 September
Guest lecturer: Prof. Hiroki Tobimatsu (Kyoto University)

Advanced Course in Forest Sphere Science I (Ecosystem Function)

Date:2 June (Tue.) – 5 June (Fri.), 2026

Venue & Time:Nakagawa Experimental Forest & Teshio Experimental Forest, Field Science Center for Northern Biosphere

Accommodation: Nakagawa Experimental Forest (NEF, Nakagawa Town)

Meet at NEF at 16:30 on 2 June, break up there at 14:00 on 5 June (scheduled)

(Nearest Sta.: Teshio-Nakagawa sta. in JR Soya line  Web page  https://www.hokudaiforest.jp/

Faculty staff:Kentaro TAKAGI, Tatsuro NAKAJI, Mutsumi NOMURA, Karibu FUKUZAWA, Mitsuru OHIRA, Rieko URAKAWA

Contents (plan)

Soil formation process and sampling in northern forests, carbon budget in forests, nitrogen cycling in forest, forest structure and estimation of resources, stream water chemistry, hydrological observation in forested rivers, forest and river ecosystems

Cost:¥8,950 including accommodation fee, meal during the stay* (tentative)

*From dinner on 2 June to lunch on 5 June

Participants need to pay their own travel expenses to the venue. Use the public transport system.

Registration

Inform the following items to the contact address by 28 April (Tue.) 2026:

Name (Given/Middle/Family), Sex, Course name, Grade, Student number, E-mail address, Phone number for emergency *Note that course registration and this registration are required.

Other announcement

  • Buy the Comprehensive Insurance for Students Lives Coupled with “Gakkensai” for International Students before the course.  http://www.jees.or.jp/gakkensai/inbound.htm
  • Gain agreement with the subject teacher if you are absent from another class due to this course.
  • For preventing the spread of infectious diseases, follow the instruction by staff during the stay. Pay attention to your physical condition and cancel the participant if you have a favor on the day.

Contact:Karibu FUKUZAWA (Teshio Experimental Forest, Tel.: 01632-6-5211, E-mail: caribu@fsc.hokudai.ac.jp)

Ph.D. defense Division of Biosphere Science Apr.20

■Time & Date : Apr.20 Mon.10:00~

Venue : C204-2
Applicant : 原田 実 Harada Minori

Title :  Functional analysis of the two heterogeneous flagella of the brown algal gametes using CRISPR-Cas9

Chief Examiner: Prof. Nagasato Chikako
Co-Examiners: Prof. Hoshino Yoichiro, Associate Prof. Ichihara Kensuke, Prof. Kogame Kazuhiro (Faculty of Science, Hokkaido University), Prof. Fujita Tomomichi (Faculty of Science, Hokkaido University), Emeritus Prof. Motomura Taizo (Hokkaido University)

Information on “Special Course in Field Science I & II”

“Special Courses in Field Science I & II” will be held at the facilities of the Field Science Center for Northern Biosphere. The following courses are scheduled this year.

  1. Open Marine Courses (Prof. Nakaoka and Prof. Nagasato)

To be held in Akkeshi Marine Station and Muroran Marine Station. 4 courses in total: 2 courses in Muroran from June 12 to 15 and June 15 to 18, and 2 courses in Akkeshi from July 11 to 15 and July 15 to 19. The courses will be given in English.

  • Open Fisheries Course (Prof. Yotsukura)

To be held in Usujiri Fisheries Station, Nanae Freshwater Station and Oshoro Marine Station. See https://www.fsc.hokudai.ac.jp/suisan-kyoten/wordpress/ for the details.

  • Field Training Course on Forest Research (Prof. Nakaji)

To be held in Research Forest Stations. See https://hokudai-moritore.webnode.jp/ for the details.

  • Forest Ecology Course in Winter (Associate Prof. Kobayashi)

To be held in Research Forest Stations. This course will not be held in 2026.

  • Open Agro-Ecosystem Course (Prof. Hoshino)

To be held in Agro-Ecosystem Research Station. This course will not be held in 2026.

  • Open Boarding Course (Associate Prof. Yoshimura)

To be held on Training Vessel Ushio-Maru. The vessel leaves from and arrives at Hakodate Port. This course will not be held in 2026.

If you wish to participate in these courses, please contact first the responsible faculty members to confirm the schedule and course registration procedures. In some courses, the schedule will be announced via the mailing list of the Biosphere Course. Registration procedures are to be made through the registration form (change form) at the time when the participation is decided.

Notes

1. For practical training held outside of Sapporo, travel and accommodation expenses to the site are to be borne by the trainee.

2. Most courses will be held during the regular semester. If you wish to participate without attending other lectures, please obtain approval from the lecturers in advance.

Contact information

Prof Nakaoka: nakaoka@fsc.hokudai.ac.jp

Prof Nagasato: nagasato@fsc.hokudai.ac.jp

Prof Yotsukura: yotsukur@fsc.hokudai.ac.jp

Prof Nakaji: nakaji@fsc.hokudai.ac.jp

Assoc Prof Kobayashi: makoto@fsc.hokudai.ac.jp

Prof Hoshino: hoshino@fsc.hokudai.ac.jp

Assoc Prof Yoshimura: yoshimura-t@fish.hokudai.ac.jp

Application to Advanced Course in Forest Sphere Science III (Conservation Biology)

Pre-registration for the course:

Anyone who want to take this course, firstly apply by 10 April using the google form below BEFORE the formal course registration on the web system. Selection result of participants will be informed by email later.

https://forms.gle/DDb4uGJhS7ANeWUa9

No. participants: 10.

Priority is given to M1 students affiliated with the Forest Field Science Course.

If there are too many applicants, a selection will be made.

Course registration:

Only selected students can register for the course on the web system. Registration by unselected students will be invalid.

Place: Uryu Experimental Forest (Horokanai Town)

Period: From June to August (currently planned for early June)

One 3-night, 4-day field training session (Uryu Research Forest), with the possibility of additional online training sessions. Detailed schedule will be announced in moodle in ELMS.

For inquiries: Dr. Minoru Kasada, kasada@fsc.hokudai.ac.jp

First Semester 2026

■耕地圏科学特論Ⅰ Advanced Course in Agro-Ecosystem Science I

4月10日(金)1講目  April 10 (Fri)  1st

FSC庁舎106 Additional information will be announced in ELMS.

Contact: 星野 hoshino[at]fsc.hokudai.ac.jp ※[at]→@

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■Advanced Couese in Environmental Molecular Biology I

April 13 (Mon)  1st 

Room 215, Institute of Low Temperature Science

Contact: 鷲尾 washi[at]ees.hokudai.ac.jp ※[at]→@

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■Fundamental Course in Marine Biological Processes

April 14 (Tue)  2nd 

D101 ※Online for students outside of Sapporo(contact the instructor)

Contact: 高木 tutakagi[at]fish.hokudai.ac.jp ※[at]→@

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■Fundamental Course in Molecular Biology

April 15 (Wed)  1st

Room 215, Institute of Low Temperature Science

Contact: 伊藤 ito98[at]lowtem.hokudai.ac.jp ※[at]→@

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■Advanced Couese in Animal Ecology I 

April 13 (Mon)  2nd  

D101 ※Online for students outside of Sapporo(contact the instructor)

Contact: 小泉 itsuro[at]ees.hokudai.ac.jp ※[at]→@

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■Advanced Course in Plant Ecology /Biodiversity Science I

June 15 (Mon)  3rd-4th

D102

Contact: 相場:aiba[at]ees.hokudai.ac.jp  ※[at]→@

Ph.D. defense Division of Biosphere Science Feb.2, 4

■Time & Date : Feb.2 Mon. 13:30~
Venue : D-201
Applicant : 田中 優斗 Tanaka Yuto
Title :  マナマコの行動ダイナミクス:状態推定に基づく行動解析と環境要因の評価
(Behavioural dynamics of the Japanese sea cucumber Apostichopus japonicus : behavioural analysis based on state estimation and evaluation of environmental drivers)

Chief Examiner: Prof. Takagi Tsutomu
Co-Examiners: Prof. Ijiri Shigeho, Associate Prof. Yoshimura Takeshi, Associate Prof.  Koizumi Itsuro, Assistant Prof. Gomi Shintaro(Graduate School and Faculty of Fisheries), Section Chief. Sakai Yuichi(Hokkaido Research Organization)

■Time & Date : Feb.4 Thu. 13:00~
Venue : D-201
Applicant : 古澤 惇平 Furusawa Jyunpei
Title :  Body size shrinkage of a ground-dwelling beetle under global warming
(温暖化進行下の徘徊性甲虫の体サイズ縮小に関する研究)

Chief Examiner: Prof. Utsumi Shunsuke
Co-Examiners: Prof. Koshikawa Shigeyuki, Assistant Prof. Sato Yasuhiro, Prof. Ikeda Hiroshi(Graduate School of Agricultural and Life Sciences, The University of Tokyo)

© 2007 Division of Biosphere Science
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