2018 - 2023 How species diversity is determined?: eco-genomics for the evolutionary community ecology of a predator-prey system
2017 - 2020 The effect of the loss of flight on latitudinal gradient in beetle diversity
2016 - 2020 Effects of environmental farming system on soil function of earthworm
2015 - 2020 Global dispersal and diversification in beetles with flight polymorphisms
2013 - 2015 The range expansion pattern and ecologial release of invasive soil invertebrates
2010 - 2012 森林に生息する土壌動物の群集形成プロセスに進化的時間スケールから迫る
2008 - 2009 土壌動物群集の形成プロセスの解明-系統的アプローチから見えてくるもの-
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Papers (43)：
Takashi SHIMIZU, Kôhei KUBOTA, Hiroshi IKEDA. Stages in the degeneration of flight ability and their interspecific comparisons in the genus Synuchus (Coleóptera: Carabidae) in Japan. European Journal of Entomology. 2024. 121. 7-18
Mayu Mizuki, Yohei Kaneko, Yoshitaka Yukie, Yoshihisa Suyama, Shun K. Hirota, Shinichiro Sawa, Minoru Kubo, Akira Yamawo, Michiko Sasabe, Hiroshi Ikeda. Evolution of secondary metabolites, morphological structures and associated gene expression patterns in galls induced by four closely related aphid species on a host plant species. Molecular Ecology. 2024
Chika Sato, Noriko Nendai, Nobuaki Nagata, Yutaka Okuzaki, Hiroshi Ikeda, Yukio Minamiya, Teiji Sota. Origin and diversification of pheretimoid megascolecid earthworms in the Japanese Archipelago as revealed by mitogenomic phylogenetics. Molecular Phylogenetics and Evolution. 2023. 182
Tsubasa Hinosawa, Saki Kinami, Atsushi Sogabe, Akifumi Ohtaka, Nobuyuki Azuma, Hiroshi Ikeda. Habitat preferences, genetic isolation and climatic vulnerability of an endangered freshwater crayfish and a widespread freshwater crab in streams of northern Japan. Aquatic Conservation: Marine and Freshwater Ecosystems. 2023
Nao Shiozuka, Izumi Katano, Toko Kanzaki, Ryota Kikuchi, Nozomu Sato, Rumiko Nakashita, Seiya Kudo, Hiroshi Ikeda, Nobuyuki Azuma. Isotopic Diet Analysis of the Japanese Water Shrew Chimarrogale platycephala to Estimate Their Feeding Habits and the Usefulness of Body Hair Samples. Mammal Study. 2022. 48. 1
金田哲, 兵藤不二夫, 池田紘士. Estimate of the life forms of earthworms in agricultural land of Japan using natural isotope abundances. 日本生態学会大会講演要旨(Web). 2022. 69th
