Researchers

Research Activities

Research Areas

• Life sciences, Biodiversity and systematics
• Environmental science/Agricultural science, Environmental effects of chemicals
• Environmental science/Agricultural science, Environmental effects of radiation
• Environmental science/Agricultural science, Social-ecological systems
• Environmental science/Agricultural science, Landscape science
• Environmental science/Agricultural science, Environmental agriculture
• Life sciences, Ecology and environmental science

Research Interests

Ecological Risk Assessment, Environmental Risk Assessment, Biological Invasions, Ecosystem Management, Ecotoxicology, Ecology, Species Interaction, Climate Change / Global warming

Published Papers

1. Enhanced impacts of fipronil under a warming scenario on functional traits of paddy invertebrate communities
   Ishiwaka N.; Hiraiwa MK; Nishiguchi T.; Hashimoto K.; Tsuchiya K.; Sánchez-Bayo F.; Kadoya T.; Hayasaka D.
   Environmental Pollution  392  , 127622-, Mar. 2026  , Refereed
2. First record of Herpetogramma baasalis (Lepidoptera: Crambidae) feeding on invasive Alternanthera philoxeroides (Caryophyllales: Amaranthaceae) in Shimane Prefecture (northern Chugoku district), Japan.
   Aoyama S.; Hiraiwa MK; Watanabe S.; Ishiwaka N.; Murase S.; Matsui Y.; Sawahata T.; Hayasaka D.
   Japanese Journal of Applied Entomology and Zoology  70  2026  , Refereed
3. Indirect effects of insecticide exposure under warming conditions considering predator‒prey interactions in a freshwater ecosystem
   Ishiwaka N.; Hiraiwa MK; Hashimoto K.; Tsuchiya K.; Doi K.; Yoshida K.; Kadoya T.; Hayasaka D.
   Limnology  2026  , Refereed

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Books etc

1. Physio-ecological activity of Phragmites japonica as a green infrastructure plant , Uchida T; Arase T; Sato Y; Hayasaka D , The GEOMATE International Society , Nov. 2018
2. Dynamics of exotic grass cover plants on slopes. , Uchida T; Tanaka J; Kondo K; Hayasaka D; Tomoguchi Y; Arase T; Okano T , In Hossain Z, Horpibulsuk S (eds). Geotechnique, Construction Material and Environment. , In Hossain Z, Horpibulsuk S (eds). Geotechnique, Construction Material and Environment. , The GEOMATE International Society , Dec. 2016
3. Susceptibility of sandy beach flora to the Great East Japan Earthquake and Tsunami in nothern Tohoku, Japan , Hayasaka D; Yamada K; Uchida T , in Urabe J, Nakashizuka T (eds). Ecological impacts of tsunamis on coastal ecosystems: lessons from the Great East Japan Earthquake , in Urabe J, Nakashizuka T (eds). Ecological impacts of tsunamis on coastal ecosystems: lessons from the Great East Japan Earthquake , Springer , Nov. 2016

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MISC

1. The synergistic effect of insecticide and water temperature rise on aquatic insect emergence in experimental ponds , 石若直人; 平岩将良; 高瀬光貴; 橋本洸哉; 土屋健司; 角谷拓; 早坂大亮 , 日本生態学会大会講演要旨(Web) , 72nd , 2025
2. Evaluation of cross-regional indicators for ecological responses to pesticide exposure under global warming , 平岩将良; 石若直人; 橋本洸哉; 橋本洸哉; 土屋健司; 角谷拓; 早坂大亮 , 日本生態学会大会講演要旨(Web) , 72nd , 2025
3. Restless wild bees: Impacts of neonicotinoid dinotefuran on the survival and behavior of wild bees. , 吉田風音; 石若直人; 平岩将良; 横井智之; 早坂大亮 , 日本生態学会大会講演要旨(Web) , 72nd , 2025

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Awards & Honors

1. Dec. 2025, 野生生物と社会学会, 第30回野生生物と社会学会 優秀ポスター賞
2. Apr. 2025, Japan Society for Promotion of Science, JSPS Research Fellowship for Young Scientists FY2025（DC2）
3. Mar. 2025, Ecological Socisty of Japan, Best Poster Presentation Award

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Research Grants & Projects

1. Cabinet Office, Government of Japan, programs for Bridging the gap between R&d and the IDeal society (society 5.0) and Generating Economic and social value (BRIDGE), Developing technologies to eradicate invasive alien species threatening biodiversity and agricultural production
2. 奈良県, 受託研究, アルゼンチンアリの奈良県における分布および餌資源分布調査事業
3. Japan Society for the Promotion of Science, Grants-in-Aid for Scientific Research Grant-in-Aid for Challenging Research (Pioneering), 生態系レジリエンスにもとづいた生態毒性評価 , Kindai University

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