Recent research

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Environmental Horticulture and Landscape Architecture

1. Conseravation and use of native plant species

　　Indigenous and common plant species in our surroundings are being rapidly lost.
　　Our purpose is to use and conserve such species for environmental education, landscaping material, and the vegetation recovery, etc. by positively introducing and managing if necessary.
　　We are studying the life cycle, environment of habitats, ecopshyology of seed germination, propagation strategy, and the management methods for the population of the indigenous plant which has been still remained around the urban area.
　

・Environment in habitat ofGagea lutea 　 　Population of Gagea lutea in Hokkaido University

・Forest floor plants and their habitat in remaining forest Remained forest in Hokkaido University Field observation in remained forest

・Ecophysiology of seed germination in forest plant species in North area in Japan 　　 Erythronium japonicum Corydalis ambigua Trillium kamtschaticum Gagea lutea Investigation in winter 1 Investigation in winter 2 Cardiocrinum cordatum var. Glehni Adonis amurensis Caltha palustris subsp barthei Aconitum japonicum

・Characteristics and germination phenology of coastal sand dune plants Lathyrus japonicus Calystegia soldanella Viola senamiensis Linaria japonica 　　　　　　　　　 Dianthus superbus subsp. longicalycinus Arabis Stelleri var. japonica now preparing Sowing at the experimental site Site in winter

・Relationships between environmental gradient and vegetation in Ishikari coastal dune March in Ishikari Pleasant and lonely investigation of soil in a vast extent of coastal dune Fox lives in coastal dune

・Destruction by auto terrain vehicle and restoration of vegetation in Ishikari coastal sand dune Destruction of coastal dune vegetation by ATV Investigation of soil hardness

・Effect of artificial disturbance for retrogressive succession in Ishikari beach vegetation

・Ecopshyology of seed germination and possibility as vegetation recovery material of native leguminous Astragalus adsurgens Thermopsis lupinoides Thermopsis lupinoides (polpulation) Oxytropis megalantha

・Present state of remaining and use of indigenous plant population around urban area

2. Propagation from seedlongs ornamental plants

・Germination of Sandersonia aurantiaca

3. Urban Greening Techniques in North Japan

・Seed germination of cactus as inoor plants in North area Notocactus herteri

・北方地域における都市緑化用地被植物

・北方地域における壁面緑化用植物材料

・北方地域における室内緑化の現状と課題

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Environmental Horticulture and Landscape Architecture