Jun-ichi Okano, Ph.D.

岡野 淳一

Research Interests

My research interests are in freshwater ecology. I am particularly interested in underwater architecture built by caddisflies; their adaptation, evolution, and functional roles in stream ecosystems.

Peer-reviewed Publication

  • Gen Kanaya, Natalia I. Yurlova, Elena N. Yadrenkina, Jun-ichi Okano, Shuichi Shikano (2020) Interannual changes in δ15N baseline in a lake–swamp–river food web: effects of summer precipitation in West Siberian forest steppe. Biogeochemistry, 150, 217–233. doi:10.1007/s10533-020-00694-3

  • Gen Kanaya, Mikhail M. Solovyev, Shuichi Shikano, Jun-ichi Okano, Natalia M. Ponomareva, Natalia I. Yurlova (2019) Application of stable isotopic analyses for fish host–parasite systems: an evaluation tool for parasite-mediated material flow in aquatic ecosystems. Aquatic Ecology, 53, 217-232. doi:10.1007/s10452-019-09684-6

  • Chia-Ying Ko, Tomoya Iwata, Jun-Yi Lee, Aya Murakami, Jun-ichi Okano, Naoto Ishikawa, Yoichiro Sakai, Ichiro Tayasu, Masayuki Itoh, Uhram Song, Hiroyuki Togashi, Shinich Nakano, Nobuhito Ohte, Noboru Okuda (2019) Assessing alpha and beta diversity of benthic macroinvertebrates and their environmental drivers between watersheds with different levels of habitat transformation in Japan. Marine and Freshwater Research, 70, 504-512. doi:10.1071/MF18031

  • Jun-ichi Okano, Noboru Okuda (2018) Effects of resource-dependent cannibalism on population size distribution and individual life history in a case-bearing caddisfly. Plos one,13, e0191925.Open access doi:10.1371/journal.pone.0191925

  • Jun-ichi Okano, Jun-ya Shibata, Yoichiro Sakai, Mana Yamaguchi, Mamiko Ohishi, Yukiko Goda, Shin-ichi Nakano, Noboru Okuda (2018) The effect of human activities on benthic macroinvertebrate diversity in tributary lagoons surrounding Lake Biwa. Limnology, 19, 199-207. doi:10.1007/s10201-017-0530-2

  • Jun-ichi Okano, Ichiro Tayasu, Shin-ichi Nakano, Noboru Okuda (2017) Differential responses of two ecologically similar case-bearing caddisflies species to a fish chemical cue: implication for a coexistence mechanism. Zoological Science, 34, 461-467. doi:10.2108/zs160207

  • Naoto F. Ishikawa, Yoshito Chikaraishi, Naohiko Ohkouchi, Aya R. Murakami, Ichiro Tayasu, Hiroyuki Togashi, Jun-ichi Okano, Yoichiro Sakai, Tomoya Iwata, Michio Kondoh, Noboru Okuda (2017) Integrated trophic position decreases in more diverse communities of stream food webs. Scientific Reports, 7, 2130. doi:10.1038/s41598-017-02155-8

  • Jun-ichi Okano, Osamu Sasaki, Harumasa Kano (2016) The effects of particle texture of sediment on the respiration of case-bearing caddisfly larvae. Freshwater Science, 35, 611-618. doi:10.1086/685713

  • Jun-ichi Okano, Eisuke Kikuchi, Osamu Sasaki, Shugo Ohi (2012) Mineralogical composition of sediment determines smooth particle preference during case construction by caddisfly larvae. Ecological Entomology, 37, 426-434. doi:10.1111/j.1365-2311.2012.01380.x

  • Jun-ichi Okano, Eisuke Kikuchi (2012) Effect of current velocity and case adaptations on the distribution of caddisfly larvae (Glossosoma, Trichoptera). Limnology, 13, 37-43. doi:10.1007/s10201-011-0353-5

  • Jun-ichi Okano, Eisuke Kikuchi, Osamu Sasaki, Shugo Ohi (2011) Geological variation in particle surface-roughness preference in the case-bearing caddisflies. Behavioral Ecology, 22, 1053-1063. doi:10.1093/beheco/arr089

  • Jun-ichi Okano, Eisuke Kikuchi, Osamu Sasaki (2010) The role of particle surface texture on case material selection and silk lining in caddis flies Behavioral Ecology, 21, 826-835. doi:10.1093/beheco/arq066

  • Jun-ichi Okano, Eisuke Kikuchi (2009) The effects of particle surface texture on silk secretion by the caddisfly Goera japonica during case construction. Animal Behaviour, 77, 595-602. doi:10.1016/j.anbehav.2008.10.027

  • Hideyuki Doi, Atsushi Takagi, Chitoshi Mizota, Jun-ichi Okano, Shin-ichi Nakano, Eisuke Kikuchi (2006) Contribution of chemoautotrophic productions to the freshwater macroinvertebrates in a headwater stream using multiple stable isotopes. International Review of Hydrobiology, 91:501-508.

  • Yuji Yamada, Jun-ichi Okano, Naohiko Mikami, Takayuki Ebata (2006) Picosecond time-resolved study on the intramolecular vibrational energy redistribution of NH stretching vibration of jet-cooled aniline and its isotopomer. Chemical Physics Letters, 432, 421-425.

  • Yuji Yamada, Jun-ichi Okano, Naohiko Mikami, Takayuki Ebata (2005) Picosecond IR-UV pump-probe spectroscopic study on the intramolecular vibrational energy redistribution of NH2 and CH stretching vibrations of jet-cooled aniline. Journal of Chemical Physics, 123, 124316.