小林 和也

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Name(Kanji/Kana/Abecedarium Latinum)
小林 和也/コバヤシ カズヤ/Kobayashi, Kazuya
Primary Affiliation(Org1/Job title)
Field Science Education and Research Center (FSERC)/Senior Lecturer/ Junior Associate Professor
Contact Address
Type Address(Japanese) Address(English)
Office 北海道川上郡標茶町多和553 553, Tawa, Shibecha Town, Hokkaido, Japan
Phone
Type Number
Office 015-485-2637
E-mail Address
kobayashi.kazuya.3w @ kyoto-u.ac.jp
Academic Organizations You are Affiliated to in Japan
Organization name(Japanese) Organization name(English)
日本動物行動学会 Japan Ethological Society
個体群生態学会 The Society of Population Ecology
日本生態学会 The Ecological Society of Japan
Academic Degree
Field(Japanese) Field(English) University(Japanese) University(English) Method
修士(農学) 北海道大学
博士(農学) 北海道大学
Academic Resume (Graduate Schools)
University(Japanese) University(English) Faculty(Japanese) Faculty(English) Major(Japanese) Major(English) Completion Status
北海道大学 大学院農学院環境資源学専攻修士課程 修了
北海道大学 大学院農学院環境資源学専攻博士後期課程 修了
Academic Resume (Undergraduate School/Majors)
University(Japanese) University(English) Faculty(Japanese) Faculty(English) Major(s)(Japanese) Major(s)(English) Completion Status
北海道大学 農学部資源生物科学科 卒業
Language of Instruction
Language(japanese) Language(english) Code
日本語 Japanese jpn
英語 English eng
Personal Website(s) (URL(s))
URL
http://kobakaz.web.fc2.com/
ORCID ID
https://orcid.org/0000-0002-9475-6807
researchmap URL
https://researchmap.jp/kobakaz
Research Topics
(Japanese)
繁殖様式の進化、特に有性生殖および性表現に関する進化生態学的研究
(English)
Evolutionary ecology of reproductive system: sexual reproduction and sexual selection.
Overview of the research
(Japanese)
有性生殖は地球上で普遍的な現象です。この繁殖様式は自分で子供を産めないオスを必要とするため効率が悪く、自然選択が効率のみに基づいて繁殖様式を選んでいるならば、どの生物も無性生殖を行っているはずですが、実際にはそうなっていません。この事実は進化生物学者にとって長年にわたって謎のままです。また、ダーウィンの時代から有性生殖は生存には不要な性質を生み出すことで、多様な性質をはぐくんでいることが知られています。例えば、オスはメスの気を惹くために歌を歌ったり、美しい羽根で着飾ったり、あるいは同種のオスと戦うために過剰に武装したりしています。自然界は様々な性的形質に彩られていますが、このような多様性がどうやって維持されているのかも生態学における大きな謎の一つです。私はこれらの謎に理論と実証研究の両面から挑戦しています。
(English)
Sexual reproduction is a ubiquitous phenomenon on the earth, although it requires to invest in male function (sons or pollen) that cannot contribute to population growth. If the natural selection had chosen the way of reproduction based solely on efficiency, all organisms would have converged on asexual reproduction. This paradox has been a long-lived mystery for evolutionary biologists. Another aspect of sexual reproduction is a source of diversity. Since Darwin’s era, some traits of males have been considered useless for survival but beneficial for mating: singing songs and wearing beautiful feathers to attract females, or armed by weapons to fight with conspecific males. The natural world is filled with a wide variety of such sexual traits but the mechanism sustaining these diversity is also a large mystery for ecologists. I’m challenging to solve these mysteries with theoretical and empirical approaches.
Fields of research (key words)
Key words(Japanese) Key words(English)
有性生殖の進化 Evolution of sexual reproduction
性投資比 Sex allocation
性選択 Sexual selection
血縁選択 Kin selection
Published Papers
Author Author(Japanese) Author(English) Title Title(Japanese) Title(English) Bibliography Bibliography(Japanese) Bibliography(English) Publication date Refereed paper Language Publishing type Disclose
Rahila I.K. Sumaiya, Momoka Nii, Takuya Okabe, Hiromu Ito, Muhammad Almaududi Pulungan, Satoru Morita, Kazuya Kobayashi, Mitsutoshi Setou, Kikuo Iwabuchi, Kenji Matsuura, Jin Yoshimura Rahila I.K. Sumaiya, Momoka Nii, Takuya Okabe, Hiromu Ito, Muhammad Almaududi Pulungan, Satoru Morita, Kazuya Kobayashi, Mitsutoshi Setou, Kikuo Iwabuchi, Kenji Matsuura, Jin Yoshimura Rahila I.K. Sumaiya, Momoka Nii, Takuya Okabe, Hiromu Ito, Muhammad Almaududi Pulungan, Satoru Morita, Kazuya Kobayashi, Mitsutoshi Setou, Kikuo Iwabuchi, Kenji Matsuura, Jin Yoshimura Energetic requirements of the transition from solitary to group living Energetic requirements of the transition from solitary to group living Energetic requirements of the transition from solitary to group living Ecological Complexity, 44, 100874-100874 Ecological Complexity, 44, 100874-100874 Ecological Complexity, 44, 100874-100874 2020/12 Refereed English Research paper(scientific journal) Disclose to all
Kaoru Tsuji, Kazuya Kobayashi, Eisuke Hasegawa, Jin Yoshimura Kaoru Tsuji, Kazuya Kobayashi, Eisuke Hasegawa, Jin Yoshimura Kaoru Tsuji, Kazuya Kobayashi, Eisuke Hasegawa, Jin Yoshimura Dimorphic flowers modify the visitation order of pollinators from male to female flowers Dimorphic flowers modify the visitation order of pollinators from male to female flowers Dimorphic flowers modify the visitation order of pollinators from male to female flowers Scientific Reports, 10, 1 Scientific Reports, 10, 1 Scientific Reports, 10, 1 2020/12 Refereed Research paper(scientific journal) Disclose to all
Ayaka Agarie, Yasushi Miyaguni, Koji Sugio, Kazuya Kobayashi Ayaka Agarie, Yasushi Miyaguni, Koji Sugio, Kazuya Kobayashi Ayaka Agarie, Yasushi Miyaguni, Koji Sugio, Kazuya Kobayashi Male‐specific alleles in the Ryukyu drywood termite Neotermes sugioi Male‐specific alleles in the Ryukyu drywood termite Neotermes sugioi Male‐specific alleles in the Ryukyu drywood termite Neotermes sugioi Ecology and Evolution Ecology and Evolution Ecology and Evolution 2020/09 Refereed Research paper(scientific journal) Disclose to all
Masato Yamamichi, Daisuke Kyogoku, Ryosuke Iritani, Kazuya Kobayashi, Yuma Takahashi, Kaori Tsurui-Sato, Akira Yamawo, Shigeto Dobata, Kazuki Tsuji, Michio Kondoh Masato Yamamichi, Daisuke Kyogoku, Ryosuke Iritani, Kazuya Kobayashi, Yuma Takahashi, Kaori Tsurui-Sato, Akira Yamawo, Shigeto Dobata, Kazuki Tsuji, Michio Kondoh Masato Yamamichi, Daisuke Kyogoku, Ryosuke Iritani, Kazuya Kobayashi, Yuma Takahashi, Kaori Tsurui-Sato, Akira Yamawo, Shigeto Dobata, Kazuki Tsuji, Michio Kondoh Intraspecific Adaptation Load: A Mechanism for Species Coexistence. Intraspecific Adaptation Load: A Mechanism for Species Coexistence. Intraspecific Adaptation Load: A Mechanism for Species Coexistence. Trends in ecology & evolution Trends in ecology & evolution Trends in ecology & evolution 2020/07/13 Refereed English Research paper(scientific journal) Disclose to all
Kazuya Kobayashi Kazuya Kobayashi Kazuya Kobayashi Conditions for kin selection to bring cooperation and improve population growth: A response to Iritani Conditions for kin selection to bring cooperation and improve population growth: A response to Iritani Conditions for kin selection to bring cooperation and improve population growth: A response to Iritani Journal of Ecology, 108, 1, 14-16 Journal of Ecology, 108, 1, 14-16 Journal of Ecology, 108, 1, 14-16 2020/01 Research paper(scientific journal) Disclose to all
Takahiro Otsuki, Daisuke Uka, Hiromu Ito, Genki Ichinose, Momoka Nii, Satoru Morita, Takuma Sakamoto, Maaya Nishiko, Hiroko Tabunoki, Kazuya Kobayashi, Kenji Matsuura, Kikuo Iwabuchi, Jin Yoshimura Takahiro Otsuki, Daisuke Uka, Hiromu Ito, Genki Ichinose, Momoka Nii, Satoru Morita, Takuma Sakamoto, Maaya Nishiko, Hiroko Tabunoki, Kazuya Kobayashi, Kenji Matsuura, Kikuo Iwabuchi, Jin Yoshimura Takahiro Otsuki, Daisuke Uka, Hiromu Ito, Genki Ichinose, Momoka Nii, Satoru Morita, Takuma Sakamoto, Maaya Nishiko, Hiroko Tabunoki, Kazuya Kobayashi, Kenji Matsuura, Kikuo Iwabuchi, Jin Yoshimura Mass killing by female soldier larvae is adaptive for the killed male larvae in a polyembryonic wasp Mass killing by female soldier larvae is adaptive for the killed male larvae in a polyembryonic wasp Mass killing by female soldier larvae is adaptive for the killed male larvae in a polyembryonic wasp Scientific Reports, 9, 7357 Scientific Reports, 9, 7357 Scientific Reports, 9, 7357 2019/12 Refereed English Research paper(scientific journal) Disclose to all
Kazuya Kobayashi Kazuya Kobayashi Sexual reproduction and diversity: Connection between sexual selection and biological communities via population dynamics Sexual reproduction and diversity: Connection between sexual selection and biological communities via population dynamics Sexual reproduction and diversity: Connection between sexual selection and biological communities via population dynamics Population Ecology, 61, 135-140 Population Ecology, 61, 135-140 Population Ecology, 61, 135-140 2019/03 Refereed English Research paper(scientific journal) Disclose to all
Kazuya Kobayashi Kazuya Kobayashi Kazuya Kobayashi Sexual selection sustains biodiversity via producing negative density-dependent population growth Sexual selection sustains biodiversity via producing negative density-dependent population growth Sexual selection sustains biodiversity via producing negative density-dependent population growth Journal of Ecology, 107, 1433-1438 Journal of Ecology, 107, 1433-1438 Journal of Ecology, 107, 1433-1438 2018/11 Refereed English Research paper(scientific journal) Disclose to all
Eyer Pierre-André, Matsuura Kenji, Vargo Edward L, Kobayashi Kazuya, Yashiro Toshihisa, Suehiro Wataru, Himuro Chihiro, Yokoi Tomoyuki, Guénard Benoit, Dunn Robert R, Tsuji Kazuki Eyer Pierre-André, Matsuura Kenji, Vargo Edward L, Kobayashi Kazuya, Yashiro Toshihisa, Suehiro Wataru, Himuro Chihiro, Yokoi Tomoyuki, Guénard Benoit, Dunn Robert R, Tsuji Kazuki Eyer Pierre-André, Matsuura Kenji, Vargo Edward L, Kobayashi Kazuya, Yashiro Toshihisa, Suehiro Wataru, Himuro Chihiro, Yokoi Tomoyuki, Guénard Benoit, Dunn Robert R, Tsuji Kazuki Inbreeding tolerance as a pre-adapted trait for invasion success in the invasive ant Brachyponera chinensis Inbreeding tolerance as a pre-adapted trait for invasion success in the invasive ant Brachyponera chinensis Inbreeding tolerance as a pre-adapted trait for invasion success in the invasive ant Brachyponera chinensis Molecular ecology, 27, 4711-4724 Molecular ecology, 27, 4711-4724 Molecular ecology, 27, 4711-4724 2018/10 Refereed English Research paper(scientific journal) Disclose to all
Tasaki E, Mitaka Y, Nozaki T, Kobayashi K, Matsuura K, Iuchi Y Tasaki E, Mitaka Y, Nozaki T, Kobayashi K, Matsuura K, Iuchi Y Tasaki E, Mitaka Y, Nozaki T, Kobayashi K, Matsuura K, Iuchi Y High expression of the breast cancer susceptibility gene BRCA1 in long-lived termite kings. High expression of the breast cancer susceptibility gene BRCA1 in long-lived termite kings. High expression of the breast cancer susceptibility gene BRCA1 in long-lived termite kings. Aging, 10, 10, 2668-2683 Aging, 10, 10, 2668-2683 Aging, 10, 10, 2668-2683 2018/10 Refereed English Research paper(scientific journal) Disclose to all
Yuki Mitaka, Eisuke Tasaki, Tomonari Nozaki, Taro Fuchikawa, Kazuya Kobayashi, Kenji Matsuura Yuki Mitaka, Eisuke Tasaki, Tomonari Nozaki, Taro Fuchikawa, Kazuya Kobayashi, Kenji Matsuura Yuki Mitaka, Eisuke Tasaki, Tomonari Nozaki, Taro Fuchikawa, Kazuya Kobayashi, Kenji Matsuura Transcriptomic analysis of epigenetic modification genes in the termite Reticulitermes speratus Transcriptomic analysis of epigenetic modification genes in the termite Reticulitermes speratus Transcriptomic analysis of epigenetic modification genes in the termite Reticulitermes speratus Insect Science Insect Science Insect Science 2018/10 Refereed English Research paper(scientific journal) Disclose to all
Toshihisa Yashiro, Nathan Lo, Kazuya Kobayashi, Tomonari Nozaki, Taro Fuchikawa, Nobuaki Mizumoto, Yusuke Namba, Kenji Matsuura Toshihisa Yashiro, Nathan Lo, Kazuya Kobayashi, Tomonari Nozaki, Taro Fuchikawa, Nobuaki Mizumoto, Yusuke Namba, Kenji Matsuura Toshihisa Yashiro, Nathan Lo, Kazuya Kobayashi, Tomonari Nozaki, Taro Fuchikawa, Nobuaki Mizumoto, Yusuke Namba, Kenji Matsuura Loss of males from mixed-sex societies in termites Loss of males from mixed-sex societies in termites Loss of males from mixed-sex societies in termites BMC BIOLOGY, 16, 16, 96 BMC BIOLOGY, 16, 16, 96 BMC BIOLOGY, 16, 16, 96 2018/09 Refereed English Research paper(scientific journal) Disclose to all
Kenji Matsuura, Nobuaki Mizumoto, Kazuya Kobayashi, Tomonari Nozaki, Tadahide Fujita, Toshihisa Yashiro, Taro Fuchikawa, Yuki Mitaka, Edward L. Vargo Kenji Matsuura, Nobuaki Mizumoto, Kazuya Kobayashi, Tomonari Nozaki, Tadahide Fujita, Toshihisa Yashiro, Taro Fuchikawa, Yuki Mitaka, Edward L. Vargo Kenji Matsuura, Nobuaki Mizumoto, Kazuya Kobayashi, Tomonari Nozaki, Tadahide Fujita, Toshihisa Yashiro, Taro Fuchikawa, Yuki Mitaka, Edward L. Vargo A Genomic Imprinting Model of Termite Caste Determination: Not Genetic but Epigenetic Inheritance Influences Offspring Caste Fate A Genomic Imprinting Model of Termite Caste Determination: Not Genetic but Epigenetic Inheritance Influences Offspring Caste Fate A Genomic Imprinting Model of Termite Caste Determination: Not Genetic but Epigenetic Inheritance Influences Offspring Caste Fate AMERICAN NATURALIST, 191, 6, 677-690 AMERICAN NATURALIST, 191, 6, 677-690 AMERICAN NATURALIST, 191, 6, 677-690 2018/06 Refereed English Research paper(scientific journal) Disclose to all
Tasaki E, Kobayashi K, Matsuura K, Iuchi Y Tasaki E, Kobayashi K, Matsuura K, Iuchi Y Tasaki E, Kobayashi K, Matsuura K, Iuchi Y Long-Lived Termite Queens Exhibit High Cu/Zn-Superoxide Dismutase Activity. Long-Lived Termite Queens Exhibit High Cu/Zn-Superoxide Dismutase Activity. Long-Lived Termite Queens Exhibit High Cu/Zn-Superoxide Dismutase Activity. Oxidative medicine and cellular longevity, 2018, 5127251 Oxidative medicine and cellular longevity, 2018, 5127251 Oxidative medicine and cellular longevity, 2018, 5127251 2018/02 Refereed English Research paper(scientific journal) Disclose to all
Eisuke Hasegawa, Nobuaki Mizumoto, Kazuya Kobayashi, Shigeto Dobata, Jin Yoshimura, Saori Watanabe, Yuuka Murakami, Kenji Matsuura Eisuke Hasegawa, Nobuaki Mizumoto, Kazuya Kobayashi, Shigeto Dobata, Jin Yoshimura, Saori Watanabe, Yuuka Murakami, Kenji Matsuura Eisuke Hasegawa, Nobuaki Mizumoto, Kazuya Kobayashi, Shigeto Dobata, Jin Yoshimura, Saori Watanabe, Yuuka Murakami, Kenji Matsuura Nature of collective decision-making by simple yes/no decision units Eisuke Hasegawa Nature of collective decision-making by simple yes/no decision units Eisuke Hasegawa Nature of collective decision-making by simple yes/no decision units Eisuke Hasegawa SCIENTIFIC REPORTS, 7, 1, 14436 SCIENTIFIC REPORTS, 7, 1, 14436 SCIENTIFIC REPORTS, 7, 1, 14436 2017/10 Refereed English Research paper(scientific journal) Disclose to all
Yuki Mitaka, Kazuya Kobayashi, Kenji Matsuura Yuki Mitaka, Kazuya Kobayashi, Kenji Matsuura Yuki Mitaka, Kazuya Kobayashi, Kenji Matsuura Caste-, sex-, and age-dependent expression of immune-related genes in a Japanese subterranean termite, Reticulitermes speratus Caste-, sex-, and age-dependent expression of immune-related genes in a Japanese subterranean termite, Reticulitermes speratus Caste-, sex-, and age-dependent expression of immune-related genes in a Japanese subterranean termite, Reticulitermes speratus PLOS ONE, 12, 4, e0175417 PLOS ONE, 12, 4, e0175417 PLOS ONE, 12, 4, e0175417 2017/04 Refereed English Research paper(scientific journal) Disclose to all
Kazuya Kobayashi Kazuya Kobayashi Kazuya Kobayashi Sex allocation promotes the stable co-occurrence of competitive species Sex allocation promotes the stable co-occurrence of competitive species Sex allocation promotes the stable co-occurrence of competitive species SCIENTIFIC REPORTS, 7, 43966 SCIENTIFIC REPORTS, 7, 43966 SCIENTIFIC REPORTS, 7, 43966 2017/03 Refereed English Research paper(scientific journal) Disclose to all
Eisuke Tasaki, Kazuya Kobayashi, Kenji Matsuura, Yoshihito Iuchi Eisuke Tasaki, Kazuya Kobayashi, Kenji Matsuura, Yoshihito Iuchi Eisuke Tasaki, Kazuya Kobayashi, Kenji Matsuura, Yoshihito Iuchi An Efficient Antioxidant System in a Long-Lived Termite Queen An Efficient Antioxidant System in a Long-Lived Termite Queen An Efficient Antioxidant System in a Long-Lived Termite Queen PLOS ONE, 12, 1, e0167412 PLOS ONE, 12, 1, e0167412 PLOS ONE, 12, 1, e0167412 2017/01 Refereed English Research paper(scientific journal) Disclose to all
Shuichiro Imai, Kazuya Kobayashi, Yusaku Ohkubo, Norihiro Yagi, Eisuke Hasegawa Shuichiro Imai, Kazuya Kobayashi, Yusaku Ohkubo, Norihiro Yagi, Eisuke Hasegawa Shuichiro Imai, Kazuya Kobayashi, Yusaku Ohkubo, Norihiro Yagi, Eisuke Hasegawa Difference in evolutionary patterns of strongly or weakly selected characters among ant populations Difference in evolutionary patterns of strongly or weakly selected characters among ant populations Difference in evolutionary patterns of strongly or weakly selected characters among ant populations SCIENTIFIC REPORTS, 6, 39451 SCIENTIFIC REPORTS, 6, 39451 SCIENTIFIC REPORTS, 6, 39451 2016/12 Refereed English Research paper(scientific journal) Disclose to all
Kazuya Kobayashi, Yasushi Miyaguni Kazuya Kobayashi, Yasushi Miyaguni Kazuya Kobayashi, Yasushi Miyaguni Facultative parthenogenesis in the Ryukyu drywood termite Neotermes koshunensis Facultative parthenogenesis in the Ryukyu drywood termite Neotermes koshunensis Facultative parthenogenesis in the Ryukyu drywood termite Neotermes koshunensis SCIENTIFIC REPORTS, 6, 30712 SCIENTIFIC REPORTS, 6, 30712 SCIENTIFIC REPORTS, 6, 30712 2016/07 Refereed English Research paper(scientific journal) Disclose to all
Kazuya Kobayashi, Eisuke Hasegawa Kazuya Kobayashi, Eisuke Hasegawa Kazuya Kobayashi, Eisuke Hasegawa A female-biased sex ratio reduces the twofold cost of sex A female-biased sex ratio reduces the twofold cost of sex A female-biased sex ratio reduces the twofold cost of sex SCIENTIFIC REPORTS, 6, 23982 SCIENTIFIC REPORTS, 6, 23982 SCIENTIFIC REPORTS, 6, 23982 2016/04 Refereed English Research paper(scientific journal) Disclose to all
Eisuke Hasegawa, Yasunori Ishii, Koichiro Tada, Kazuya Kobayashi, Jin Yoshimura Eisuke Hasegawa, Yasunori Ishii, Koichiro Tada, Kazuya Kobayashi, Jin Yoshimura Eisuke Hasegawa, Yasunori Ishii, Koichiro Tada, Kazuya Kobayashi, Jin Yoshimura Lazy workers are necessary for long-term sustainability in insect societies Lazy workers are necessary for long-term sustainability in insect societies Lazy workers are necessary for long-term sustainability in insect societies SCIENTIFIC REPORTS, 6, 20846 SCIENTIFIC REPORTS, 6, 20846 SCIENTIFIC REPORTS, 6, 20846 2016/02 Refereed English Research paper(scientific journal) Disclose to all
Yuki Mitaka, Kazuya Kobayashi, Alexander Mikheyev, Mandy M. Y. Tin, Yutaka Watanabe, Kenji Matsuura Yuki Mitaka, Kazuya Kobayashi, Alexander Mikheyev, Mandy M. Y. Tin, Yutaka Watanabe, Kenji Matsuura Yuki Mitaka, Kazuya Kobayashi, Alexander Mikheyev, Mandy M. Y. Tin, Yutaka Watanabe, Kenji Matsuura Caste-Specific and Sex-Specific Expression of Chemoreceptor Genes in a Termite Caste-Specific and Sex-Specific Expression of Chemoreceptor Genes in a Termite Caste-Specific and Sex-Specific Expression of Chemoreceptor Genes in a Termite PLOS ONE, 11, 1, e0146125 PLOS ONE, 11, 1, e0146125 PLOS ONE, 11, 1, e0146125 2016/01 Refereed English Research paper(scientific journal) Disclose to all
Nobuaki Mizumoto, Kazuya Kobayashi, Kenji Matsuura Nobuaki Mizumoto, Kazuya Kobayashi, Kenji Matsuura Nobuaki Mizumoto, Kazuya Kobayashi, Kenji Matsuura Emergence of intercolonial variation in termite shelter tube patterns and prediction of its underlying mechanism Emergence of intercolonial variation in termite shelter tube patterns and prediction of its underlying mechanism Emergence of intercolonial variation in termite shelter tube patterns and prediction of its underlying mechanism ROYAL SOCIETY OPEN SCIENCE, 2, 11, 150360 ROYAL SOCIETY OPEN SCIENCE, 2, 11, 150360 ROYAL SOCIETY OPEN SCIENCE, 2, 11, 150360 2015/11 Refereed English Research paper(scientific journal) Disclose to all
Misato Okamoto, Kazuya Kobayashi, Eisuke Hasegawa, Kyohsuke Ohkawara Misato Okamoto, Kazuya Kobayashi, Eisuke Hasegawa, Kyohsuke Ohkawara Misato Okamoto, Kazuya Kobayashi, Eisuke Hasegawa, Kyohsuke Ohkawara Sexual and asexual reproduction of queens in a myrmicine ant, Vollenhovia emeryi (Hymenoptera: Formicidae) Sexual and asexual reproduction of queens in a myrmicine ant, Vollenhovia emeryi (Hymenoptera: Formicidae) Sexual and asexual reproduction of queens in a myrmicine ant, Vollenhovia emeryi (Hymenoptera: Formicidae) MYRMECOLOGICAL NEWS, 21, 13-17 MYRMECOLOGICAL NEWS, 21, 13-17 MYRMECOLOGICAL NEWS, 21, 13-17 2015/09 Refereed English Research paper(scientific journal) Disclose to all
Hiromi Asanuma, Satoshi Kakishima, Hiromu Ito, Kazuya Kobayashi, Eisuke Hasegawa, Takahiro Asami, Kenji Matsuura, Derek A. Roff, Jin Yoshimura Hiromi Asanuma, Satoshi Kakishima, Hiromu Ito, Kazuya Kobayashi, Eisuke Hasegawa, Takahiro Asami, Kenji Matsuura, Derek A. Roff, Jin Yoshimura Hiromi Asanuma, Satoshi Kakishima, Hiromu Ito, Kazuya Kobayashi, Eisuke Hasegawa, Takahiro Asami, Kenji Matsuura, Derek A. Roff, Jin Yoshimura Evolutionary optimality in sex differences of longevity and athletic performances Evolutionary optimality in sex differences of longevity and athletic performances Evolutionary optimality in sex differences of longevity and athletic performances SCIENTIFIC REPORTS, 4 SCIENTIFIC REPORTS, 4 SCIENTIFIC REPORTS, 4 2014/06 Refereed English Research paper(scientific journal) Disclose to all
Kazuya Kobayashi, Jin Yoshimura, Eisuke Hasegawa Kazuya Kobayashi, Jin Yoshimura, Eisuke Hasegawa Kazuya Kobayashi, Jin Yoshimura, Eisuke Hasegawa Coexistence of sexual individuals and genetically isolated asexual counterparts in a thrips Coexistence of sexual individuals and genetically isolated asexual counterparts in a thrips Coexistence of sexual individuals and genetically isolated asexual counterparts in a thrips SCIENTIFIC REPORTS, 3 SCIENTIFIC REPORTS, 3 SCIENTIFIC REPORTS, 3 2013/11 Refereed English Research paper(scientific journal) Disclose to all
Kazuya Kobayashi, Eisuke Hasegawa, Yuuka Yamamoto, Kazutaka Kawatsu, Edward L. Vargo, Jin Yoshimura, Kenji Matsuura Kazuya Kobayashi, Eisuke Hasegawa, Yuuka Yamamoto, Kazutaka Kawatsu, Edward L. Vargo, Jin Yoshimura, Kenji Matsuura Kazuya Kobayashi, Eisuke Hasegawa, Yuuka Yamamoto, Kazutaka Kawatsu, Edward L. Vargo, Jin Yoshimura, Kenji Matsuura Sex ratio biases in termites provide evidence for kin selection Sex ratio biases in termites provide evidence for kin selection Sex ratio biases in termites provide evidence for kin selection NATURE COMMUNICATIONS, 4 NATURE COMMUNICATIONS, 4 NATURE COMMUNICATIONS, 4 2013/06 Refereed English Research paper(scientific journal) Disclose to all
Kazuya Kobayashi, Eisuke Hasegawa Kazuya Kobayashi, Eisuke Hasegawa Kazuya Kobayashi, Eisuke Hasegawa Isolation of microsatellite loci from the onion thrips, Thrips tabaci Isolation of microsatellite loci from the onion thrips, Thrips tabaci Isolation of microsatellite loci from the onion thrips, Thrips tabaci JOURNAL OF INSECT SCIENCE, 13 JOURNAL OF INSECT SCIENCE, 13 JOURNAL OF INSECT SCIENCE, 13 2013/04 Refereed English Research paper(scientific journal) Disclose to all
Kazuya Kobayashi, Kei Tamura, Misato Okamoto, Eisuke Hasegawa, Kyohsuke Ohkawara Kazuya Kobayashi, Kei Tamura, Misato Okamoto, Eisuke Hasegawa, Kyohsuke Ohkawara Kazuya Kobayashi, Kei Tamura, Misato Okamoto, Eisuke Hasegawa, Kyohsuke Ohkawara Phylogenetic Relationships Among Populations of Vollenhovia ants, With Particular Focus on the Evolution of Wing Morphology Phylogenetic Relationships Among Populations of Vollenhovia ants, With Particular Focus on the Evolution of Wing Morphology Phylogenetic Relationships Among Populations of Vollenhovia ants, With Particular Focus on the Evolution of Wing Morphology ANNALS OF THE ENTOMOLOGICAL SOCIETY OF AMERICA, 105, 3, 454-461 ANNALS OF THE ENTOMOLOGICAL SOCIETY OF AMERICA, 105, 3, 454-461 ANNALS OF THE ENTOMOLOGICAL SOCIETY OF AMERICA, 105, 3, 454-461 2012/05 Refereed English Research paper(scientific journal) Disclose to all
Kazuya Kobayashi, Eisuke Hasegawa Kazuya Kobayashi, Eisuke Hasegawa Kazuya Kobayashi, Eisuke Hasegawa Discrimination of Reproductive Forms of Thrips tabaci (Thysanoptera: Thripidae) by PCR With Sequence Specific Primers Discrimination of Reproductive Forms of Thrips tabaci (Thysanoptera: Thripidae) by PCR With Sequence Specific Primers Discrimination of Reproductive Forms of Thrips tabaci (Thysanoptera: Thripidae) by PCR With Sequence Specific Primers JOURNAL OF ECONOMIC ENTOMOLOGY, 105, 2, 555-559 JOURNAL OF ECONOMIC ENTOMOLOGY, 105, 2, 555-559 JOURNAL OF ECONOMIC ENTOMOLOGY, 105, 2, 555-559 2012/04 Refereed English Research paper(scientific journal) Disclose to all
Eisuke Hasegawa, Izumi Yao, Kyoko Futami, Norihiro Yagi, Kazuya Kobayashi, Shin-ichi Kudo Eisuke Hasegawa, Izumi Yao, Kyoko Futami, Norihiro Yagi, Kazuya Kobayashi, Shin-ichi Kudo Eisuke Hasegawa, Izumi Yao, Kyoko Futami, Norihiro Yagi, Kazuya Kobayashi, Shin-ichi Kudo Isolation of microsatellite loci from the millipede, Brachycybe nodulosa Verhoeff Isolation of microsatellite loci from the millipede, Brachycybe nodulosa Verhoeff Isolation of microsatellite loci from the millipede, Brachycybe nodulosa Verhoeff CONSERVATION GENETICS RESOURCES, 4, 1, 89-91 CONSERVATION GENETICS RESOURCES, 4, 1, 89-91 CONSERVATION GENETICS RESOURCES, 4, 1, 89-91 2012/03 Refereed English Research paper(scientific journal) Disclose to all
K. Kobayashi, E. Hasegawa, K. Ohkawara K. Kobayashi, E. Hasegawa, K. Ohkawara K. Kobayashi, E. Hasegawa, K. Ohkawara No gene flow between wing forms and clonal reproduction by males in the long-winged form of the ant Vollenhovia emeryi No gene flow between wing forms and clonal reproduction by males in the long-winged form of the ant Vollenhovia emeryi No gene flow between wing forms and clonal reproduction by males in the long-winged form of the ant Vollenhovia emeryi INSECTES SOCIAUX, 58, 2, 163-168 INSECTES SOCIAUX, 58, 2, 163-168 INSECTES SOCIAUX, 58, 2, 163-168 2011/05 Refereed English Research paper(scientific journal) Disclose to all
Eisuke Hasegawa, Kazuya Kobayashi, Norihiro Yagi, Kazuki Tsuji Eisuke Hasegawa, Kazuya Kobayashi, Norihiro Yagi, Kazuki Tsuji Eisuke Hasegawa, Kazuya Kobayashi, Norihiro Yagi, Kazuki Tsuji Complete mitochondrial genomes of normal and cheater morphs in the parthenogenetic ant Pristomyrmex punctatus (Hymenoptera: Formicidae) Complete mitochondrial genomes of normal and cheater morphs in the parthenogenetic ant Pristomyrmex punctatus (Hymenoptera: Formicidae) Complete mitochondrial genomes of normal and cheater morphs in the parthenogenetic ant Pristomyrmex punctatus (Hymenoptera: Formicidae) MYRMECOLOGICAL NEWS, 15, 85-90 MYRMECOLOGICAL NEWS, 15, 85-90 MYRMECOLOGICAL NEWS, 15, 85-90 2011/05 Refereed English Research paper(scientific journal) Disclose to all
Kazuya Kobayashi, Eisuke Hasegawa, Kyohsuke Ohkawara Kazuya Kobayashi, Eisuke Hasegawa, Kyohsuke Ohkawara Kazuya Kobayashi, Eisuke Hasegawa, Kyohsuke Ohkawara Clonal reproduction by males of the ant Vollenhovia emeryi (Wheeler) Clonal reproduction by males of the ant Vollenhovia emeryi (Wheeler) Clonal reproduction by males of the ant Vollenhovia emeryi (Wheeler) ENTOMOLOGICAL SCIENCE, 11, 2, 167-172 ENTOMOLOGICAL SCIENCE, 11, 2, 167-172 ENTOMOLOGICAL SCIENCE, 11, 2, 167-172 2008/06 Refereed English Research paper(scientific journal) Disclose to all
黒沢令子, 徳永珠未, 小林和也, 平田和彦 黒沢令子, 徳永珠未, 小林和也, 平田和彦 黒沢令子, 徳永珠未, 小林和也, 平田和彦 札幌市におけるスズメ激減の記録(2005/06年冬) 札幌市におけるスズメ激減の記録(2005/06年冬) 札幌市におけるスズメ激減の記録(2005/06年冬) Bird Research, 2, A19-A24 Bird Research, 2, A19-A24 Bird Research, 2, A19-A24 2006/12 Refereed Japanese Research paper(scientific journal) Disclose to all
Reiko Kurosawa, Taro Matsuo, Tamami Tokunaga, Kazuya Kobayashi, Eiko Sato 黒沢令子, 松尾太郎, 徳永珠未, 小林和也, 佐藤瑛子 Reiko Kurosawa, Taro Matsuo, Tamami Tokunaga, Kazuya Kobayashi, Eiko Sato Breeding performances of crows in a park-like sites with rich vegetation in urban areas: a comparison between Sapporo and Tokyo 大都市の緑地におけるカラス類の繁殖状況 ―札幌市北海道大学近辺と東京の比較― Breeding performances of crows in a park-like sites with rich vegetation in urban areas: a comparison between Sapporo and Tokyo Strix, 22, 109-116 Strix, 22, 109-116 Strix, 22, 109-116 2004 Refereed Japanese Research paper(scientific journal) Disclose to all

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Title language:
Misc
Author Author(Japanese) Author(English) Title Title(Japanese) Title(English) Bibliography Bibliography(Japanese) Bibliography(English) Publication date Refereed paper Language Publishing type Disclose
Kazuya Kobayashi, Eisuke Hasegawa Kazuya Kobayashi, Eisuke Hasegawa Kazuya Kobayashi, Eisuke Hasegawa Discrimination of reproductive forms of Thrips tabaci (Thysanoptera: Thripidae) by PCR with sequence specific primers (vol 105, pg 555, 2012) Discrimination of reproductive forms of Thrips tabaci (Thysanoptera: Thripidae) by PCR with sequence specific primers (vol 105, pg 555, 2012) Discrimination of reproductive forms of Thrips tabaci (Thysanoptera: Thripidae) by PCR with sequence specific primers (vol 105, pg 555, 2012) JOURNAL OF ECONOMIC ENTOMOLOGY, 106, 2, VI-VII JOURNAL OF ECONOMIC ENTOMOLOGY, 106, 2, VI-VII JOURNAL OF ECONOMIC ENTOMOLOGY, 106, 2, VI-VII 2013/04 English Other Disclose to all
Title language:
Conference Activities & Talks
Title Title(Japanese) Title(English) Conference Conference(Japanese) Conference(English) Promotor Promotor(Japanese) Promotor(English) Date Language Assortment Disclose
効率か?存続か?それが問題だ!-生物は何に対して最適化されているのか?- 効率か?存続か?それが問題だ!-生物は何に対して最適化されているのか?- 第65回日本生態学会大会 第65回日本生態学会大会 2018/03/19 Japanese Oral presentation(general) Disclose to all
性に秘められた鍵 -生物多様性の維持メカニズム- 性に秘められた鍵 -生物多様性の維持メカニズム- 第65回日本生態学会大会 第65回日本生態学会大会 2018/03/17 Japanese Oral presentation(general) Disclose to all
性を維持する分子基盤の解明 性を維持する分子基盤の解明 第5回生態進化発生コロキウム 第5回生態進化発生コロキウム 2017/12/28 Japanese Oral presentation(general) Disclose to all
男性〜有性生殖がもたらす非効率とそれゆえに生じる多様性〜[Invited] 男性〜有性生殖がもたらす非効率とそれゆえに生じる多様性〜 [Invited] 数理科学談話会 数理科学談話会 2017/12/12 Japanese Public discourse, seminar, tutorial, course, lecture and others Disclose to all
社会性昆虫の特異な繁殖様式に惑わされて[Invited] 社会性昆虫の特異な繁殖様式に惑わされて [Invited] 教室セミナー 教室セミナー 2017/12/12 Japanese Public discourse, seminar, tutorial, course, lecture and others Disclose to all
Sex as a maintenance mechanism of biodiversity Sex as a maintenance mechanism of biodiversity Sex as a maintenance mechanism of biodiversity CER-NIEシンポジウム CER-NIEシンポジウム CER-NIEシンポジウム 2017/12/09 English Oral presentation(general) Disclose to all
生態系を駆動するメカニズムとしての進化生態学 〜遺伝子から物質循環まで〜 生態系を駆動するメカニズムとしての進化生態学 〜遺伝子から物質循環まで〜 道東森里海連環シンポジウム 道東森里海連環シンポジウム 2017/10/27 Japanese Oral presentation(general) Disclose to all
Sex as a maintenance mechanism of biodiversity[Invited] Sex as a maintenance mechanism of biodiversity [Invited] Sex as a maintenance mechanism of biodiversity [Invited] 第33回個体群生態学会大会 第33回個体群生態学会大会 第33回個体群生態学会大会 2017/10/14 Japanese Oral presentation(invited, special) Disclose to all
性に彩られた世界[Invited] 性に彩られた世界 [Invited] 厚岸臨海実験所セミナー 厚岸臨海実験所セミナー 2017/08/17 Japanese Public discourse, seminar, tutorial, course, lecture and others Disclose to all
性を維持する分子メカニズム -遺伝子がせめぎ合う現場を求めて-[Invited] 性を維持する分子メカニズム -遺伝子がせめぎ合う現場を求めて- [Invited] Aniecoセミナー Aniecoセミナー 2017/08/10 Japanese Public discourse, seminar, tutorial, course, lecture and others Disclose to all
身勝手な遺伝子達が築く安定した群集[Invited] 身勝手な遺伝子達が築く安定した群集 [Invited] 応用昆虫学研究室セミナー 応用昆虫学研究室セミナー 2017/06/20 Japanese Public discourse, seminar, tutorial, course, lecture and others Disclose to all
性に彩られた世界[Invited] 性に彩られた世界 [Invited] 教室セミナー 教室セミナー 2017/06/19 Japanese Public discourse, seminar, tutorial, course, lecture and others Disclose to all
Selfish genes establish complex community[Invited] 身勝手な遺伝子が築く社会と群集 [Invited] Selfish genes establish complex community [Invited] 生態研セミナー 生態研セミナー 生態研セミナー 2017/06/16 Japanese Public discourse, seminar, tutorial, course, lecture and others Disclose to all
性を維持する分子メカニズム -遺伝子がせめぎ合う現場を求めて-[Invited] 性を維持する分子メカニズム -遺伝子がせめぎ合う現場を求めて- [Invited] ななしセミナー ななしセミナー 2017/05/16 Japanese Public discourse, seminar, tutorial, course, lecture and others Disclose to all

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Title language:
Books etc
Author Author(Japanese) Author(English) Title Title(Japanese) Title(English) Publisher Publisher(Japanese) Publisher(English) Publication date Language Type Disclose
Kazuya Kobayashi Kazuya Kobayashi Kazuya Kobayashi Diversity of functional traits and interactions : perspectives on community dynamics Diversity of functional traits and interactions : perspectives on community dynamics Diversity of functional traits and interactions : perspectives on community dynamics Springer Springer Springer 2020/10 English Contributor Disclose to all
Title language:
Awards
Title(Japanese) Title(English) Organization name(Japanese) Organization name(English) Date
個体群生態学会奨励賞 Population Ecology Young Scientist Award 個体群生態学会 The Society of Population Ecology 2017/10/13
Newspaper articles
Title Media name Column name Date
シロアリの巣、多様性の謎解く 個体数とフェロモンが鍵 京都新聞 1月5日 27面 2015/01/05
組織の長期的存続には“働かないアリ”が必要――北大研究 ITmedia ニュース http://www.itmedia.co.jp/news/articles/1602/17/news088.html 2016/02/17
働かない働きアリ 集団存続に必要 働きアリだけは滅びる 毎日新聞 http://mainichi.jp/articles/20160217/k00/00m/040/067000c 2016/02/16
アリのコロニーを長期存続させるためには働かないアリも必要だった - 北大 マイナビニュース https://news.mynavi.jp/article/20160217-a405/ 2016/02/17
働かないワーカーは社会性昆虫のコロニーの長期的存続に必須である Nature Japan おすすめのコンテンツ http://www.natureasia.com/ja-jp/srep/abstracts/74298 2016/02/16
Before You Judge Lazy Workers, Consider They Might Serve A Purpose National Public Radio https://www.npr.org/2016/03/28/468138647/before-you-judge-lazy-workers-consider-they-might-serve-a-purpose 2016/03/28
雌に偏った性比が有性生殖の2倍のコストを削減する Nature Japan おすすめのコンテンツ https://www.natureasia.com/ja-jp/srep/abstracts/75146 2016/04/01
External funds: competitive funds and Grants-in-Aid for Scientific Research (Kakenhi)
Type Position Title(Japanese) Title(English) Period
特別研究員奨励費 Representative 血縁選択説の一般性:二倍体生物の性投資比による検証 2014/04/01-2017/03/31
若手研究(A) Representative 性を維持する分子基盤の解明 2017/04/01-2019/03/31
基盤研究(S) Assignment 極限寿命生物の活動的長寿を支える抗老化システム 2018/04/01-2022/03/31
基盤研究(B) Assignment 血縁の効果と群形成の効果を完全に分離した上での社会性の進化因の解明 2018/04/01-2021/03/31
基盤研究(C) Assignment 樹木の情報統合メカニズムを応用した新しい育林技術の構築 2019/04/01-2021/03/31
基盤研究(B) Representative シロアリにおける性決定遺伝子とその多様化プロセスの解明 2021/04/01-2024/03/31
Teaching subject(s)
Name(Japanese) Name(English) Term Department Period
森林情報学専攻実験1 Laboratory Course in Forest Information1 通年 農学研究科 2017/04-2018/03
森林情報学専攻実験2 Laboratory Course in Forest Information2 通年 農学研究科 2017/04-2018/03
森林情報学専攻演習1 Seminar in Forest Information1 通年 農学研究科 2017/04-2018/03
森林情報学専攻演習2 Seminar in Forest Information2 通年 農学研究科 2017/04-2018/03
森林情報学専攻演習 Seminar in Forest Information 通年 農学研究科 2017/04-2018/03
森林情報学特論 II Forest Information Sciences II 後期集中 農学研究科 2017/04-2018/03
森林資源管理学 Forest Resource Management 後期集中 農学部 2017/04-2018/03
研究林実習III Practice in University Forest III 前期集中 農学部 2017/04-2018/03
研究林実習IV Practice in University Forest IV 後期集中 農学部 2017/04-2018/03
ILASセミナー ILAS Seminar 前期集中 全学共通科目 2018/04-2019/03
森林情報学専攻実験1 Laboratory Course in Forest Information1 通年 農学研究科 2018/04-2019/03
森林情報学専攻実験2 Laboratory Course in Forest Information2 通年 農学研究科 2018/04-2019/03
森林情報学専攻演習1 Seminar in Forest Information1 通年 農学研究科 2018/04-2019/03
森林情報学専攻演習2 Seminar in Forest Information2 通年 農学研究科 2018/04-2019/03
森里海連環学実習II Field Study on Connectivity of Hills, Humans and Oceans II 前期集中 全学共通科目 2018/04-2019/03
生態系シミュレーション Ecosystem Simulation 前期集中 農学部 2018/04-2019/03
研究林実習III Practice in University Forest III 前期集中 農学部 2018/04-2019/03
研究林実習IV Practice in University Forest IV 後期集中 農学部 2018/04-2019/03
ILASセミナー ILAS Seminar 前期集中 全学共通科目 2019/04-2020/03
森林情報学専攻実験1 Laboratory Course in Forest Information1 通年 農学研究科 2019/04-2020/03
森林情報学専攻実験2 Laboratory Course in Forest Information2 通年 農学研究科 2019/04-2020/03
森林情報学専攻演習1 Seminar in Forest Information1 通年 農学研究科 2019/04-2020/03
森林情報学専攻演習2 Seminar in Forest Information2 通年 農学研究科 2019/04-2020/03
森林情報学特論 II Forest Information Sciences II 後期集中 農学研究科 2019/04-2020/03
森里海連環学II Study on Connectivity of Hills, Humans and Oceans II 前期 全学共通科目 2019/04-2020/03
森里海連環学実習II Field Study on Connectivity of Hills, Humans and Oceans II 前期集中 全学共通科目 2019/04-2020/03
生態系シミュレーション Ecosystem Simulation 前期集中 農学部 2019/04-2020/03
研究林実習III Practice in University Forest III 前期集中 農学部 2019/04-2020/03
研究林実習IV Practice in University Forest IV 後期集中 農学部 2019/04-2020/03
ILASセミナー:北海道の昆虫相 ILAS Seminar :Insect fauna in Hokkaido 前期集中 全学共通科目 2020/04-2021/03
森林情報学専攻実験1 Laboratory Course in Forest Information1 通年 農学研究科 2020/04-2021/03
森林情報学専攻実験2 Laboratory Course in Forest Information2 通年 農学研究科 2020/04-2021/03
森林情報学専攻演習1 Seminar in Forest Information1 通年 農学研究科 2020/04-2021/03
森林情報学専攻演習2 Seminar in Forest Information2 通年 農学研究科 2020/04-2021/03
森里海連環学II:森林学 Study on Connectivity of Hills, Humans and Oceans II :Forest Science 前期 全学共通科目 2020/04-2021/03
森里海連環学実習II:北海道東部の森と里と海のつながり Field Study on Connectivity of Hills, Humans and Oceans II :CoHHO in the East part of Hokkaido 前期集中 全学共通科目 2020/04-2021/03
生態系シミュレーション Ecosystem Simulation 前期集中 農学部 2020/04-2021/03
研究林実習III Practice in University Forest III 通年集中 農学部 2020/04-2021/03
研究林実習IV Practice in University Forest IV 後期集中 農学部 2020/04-2021/03
ILASセミナー:北海道の昆虫相 ILAS Seminar :Insect fauna in Hokkaido 前期集中 全学共通科目 2021/04-2022/03
森林情報学専攻実験1 Laboratory Course in Forest Information1 通年 農学研究科 2021/04-2022/03
森林情報学専攻実験2 Laboratory Course in Forest Information2 通年 農学研究科 2021/04-2022/03
森林情報学専攻演習1 Seminar in Forest Information1 通年 農学研究科 2021/04-2022/03
森林情報学専攻演習2 Seminar in Forest Information2 通年 農学研究科 2021/04-2022/03
森林情報学特論 II Forest Information Sciences II 後期集中 農学研究科 2021/04-2022/03
森里海連環学II:森林学 Study on Connectivity of Hills, Humans and Oceans II :Forest Science 前期 全学共通科目 2021/04-2022/03
森里海連環学実習II:北海道東部の森と里と海のつながり Field Study on Connectivity of Hills, Humans and Oceans II :CoHHO in the East part of Hokkaido 前期集中 全学共通科目 2021/04-2022/03
生態系シミュレーション Ecosystem Simulation 前期集中 農学部 2021/04-2022/03
研究林実習III Practice in University Forest III 前期集中 農学部 2021/04-2022/03
研究林実習IV Practice in University Forest IV 後期集中 農学部 2021/04-2022/03

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Faculty management (title, position)
Title Period
研究プログラム委員会 委員 2017/04/01-
情報セキュリティ委員会 委員 2017/04/01-
芦生・北海道・上賀茂共同利用拠点運営委員会 委員 2021/04/01-
北海道研究林長 2021/04/01-
Academic organizations (editor, editing team)
Organization name(Japanese) Organization name(English) Journal name(Japanese) Journal name(English) Title Period
日本生態学会 Ecological society of Japan Ecological research Editorial board member 2018/04/01-