J-GLOBAL         Last updated: Dec 12, 2019 at 16:08
Hokkaido University
Field Science Center for Northern Biosphere, Agro-ecosystem Research Station

Research Interests


Research Areas


Academic & Professional Experience

Niigata University, Research Assistant


Graduate School, Division of Natural Science, Tohoku University
Faculty of Agriculture, Tohoku University

Published Papers

Molecular and cytological evidences denied the immediate-hybrid hypothesis for Saxifraga yuparensis (sect. Bronchiales, Saxifragaceae) endemic to Mt. Yubari in Hokkaido, northern Japan
Phytotaxa   (373) 53-70   2018   [Refereed]
LEE Ahyoung,FUJITA Hiroko,KOBAYASHI Haruki
Wetlands   37(4) 741-751   2017   [Refereed]
Hirano, T., Yamada, H., Takada, M., Fujimura, H., Fujita, H. & Takahashi, H.
220 90-100   2016   [Refereed]
21(77) 92   2016   [Refereed]
The perennial herbaceous plant Amsonia elliptica has been designated an endangered species (near threatened, NT) in Japan due to its recent rapid decline in abundance and decreased habitat patches, but there are no precise locality records ...
21 125-134   2016   [Refereed]
Approximately 86% of the wetlands in Japan are in Hokkaido. To conserve wetland ecosystems in Japan, it is important to understand the conditions and degradation of wetland ecosystems in Hokkaido. However, the information on the plant distribution...
LEE, Ahyoung,FUJITA Hiroko,MOYOHIRO, Haruna
Bulletin of Botanic Garden Hokkaido University   16 11-12   2016   [Refereed]
LEE Ahyoung,FUJITA Hiroko,IGARASHI Hiroshi
Vegetation Science   33 65-80   2016   [Refereed]
Hiroki MURAKAMI and Hiroko FUJITA
Vegetation Science   32 1-15   2015   [Refereed]
With the rapid increase of sika deer (Cervus nippon) population in Japan, its distribution is expected to expand to the mire. Although herbivores have a major impact on the various ecosystems, little is known about their effects on mire veg...
Yukie KATO,Hiroko FUJITA
Vegetation Science   32 17-35   2015   [Refereed]
Carex livida( Wahlenb.) Willd. (livid sedge) is mainly distributed across North America and northern Europe. In the Far East, its southernmost localities are the northern part of the Korean Peninsula and Hokkaido. In Japan, it is observed i...
Vegetation Science   31(85) 94   2014   [Refereed]
A vegetation recovery test was conducted in two communities, dominated by Moliniopsis japonica and Sasa palmata of the degraded bog, Shinoro Mire, northern Japan. Three treatments, including mowing, removal of the top 0-20 cm of decomposed peat, a...
Fujita Hiroko, Takada Masayuki, Muramatsu Hiroki, Hashida Kinjyu
Japanese Journal of Ecology   62(2) 143-153   Jul 2012   [Refereed]
The sika deer (Cervus nippon) population in Japan is increasing rapidly. These deer influence the natural vegetation markedly, with many reports on deer damage to forest vegetation and a few on damage to mires. We investigated the deer impact on f...
Fujimura, Y., Takada, M., Fujita, H. and Inoue, T.
Landscape and Ecological Engineering      2012   [Refereed]
Geographical assessment of factors for Sasa expansion in the Sarobetsu Mire, Japan.
Takada, M., Inoue, T., Mishima, Y., Fujita, H., Hirano, T., Fujimura, Y.
Journal of Landscape Ecology   5 58-72   2012   [Refereed]
Fujimura, Y., Fujita, H., Takada, M. & Inoue, T.
Landscape and Ecological Engineering   8(2) 215-221   2012   [Refereed]
Holocene Vegetation Change in Sarufutsu River Mire, Northern Hokkaido, Japan
Fujita, H., Igarashi, Y., Kato, Y., Inoue, T. and Takada, M.
The proceeding of the 14th International Peat Congress   60-61   2012
KATO Yukie, FUJITA Hiroko
28(2) 65-82   Dec 2011   [Refereed]
Carex livida (Wahlenb.) Willd. (livid sedge), a perennial herb of Cyperaceae, is considered a relict species from the glacial period and designated as a rare species in the Japanese red list. We investigated the vegetation and the environmental co...
KATO Yukie, FUJITA Hiroko, INOUE Takashi
Vegetation science   28(1) 19-37   Jun 2011   [Refereed]
Carex livida (Wahlenb.) Willd. (livid sedge) is a perennial herb of the family Cyperaceae that is mainly distributed across North America and northern Europe. It is phytogeographically classified as a North American element. In the Far East, its d...
Fujimura Yoshiyasu, Kato Kunihiko, Fujiwara Hideshi, Fujita Hiroko, Takenaka Makoto, Yanagiya Shuji, Nagata Osamu
Japanese Journal of Ecology   60(2) 157-168   Jul 2010   [Refereed]
We conducted a soil investigation to (1) describe the sedimentation history, (2) discuss the factors of sedimentation changes and (3) discuss the effects of sediment deposition on the sedimentation rate of the backswamp of the Kuchoro River in Jap...
An inventory of the mires of Hokkaido, Japan ―their development, classification, decline, and conservation.
Fujita, H., Igarashi, Y., Hotes, S., Takada, M., Inoue, T. and Kaneko, M.
Plant Ecology   200 9-36   2009   [Refereed]
Fujita Hiroko, Nakatani Yoko, Sato Masatoshi
Japanese journal of conservation ecology   13(2) 237-248   Nov 2008   [Refereed]
In 2001 the Hokkaido Regional Development Bureau (HRDB) published the "Proposal for Conservation of the River Environment in Kushiro Mire" (a Ramsar site). One of the 12 themes of the report was that of controlling the vegetation of the mire, spec...
Outline of mires in Hokkaido, Japan, and their ecosystem conservation and restoration.
Global Environmental Research   11 187-194   2008   [Refereed]
Fujimura, Y., Fujita, H., Kato, K. and Yanagiya, S.
Plant Ecology   199 115-124   2008   [Refereed]
Vegetation science   23(2) 163-169   Dec 2006   [Refereed]
The early-stage vegetation on the shores of the crater lake formed by the 2000 eruption of Usu Volcano, Hokkaido Japan, was investigated in the summer of 2004. Invasion and establishment of vascular plants in the study area began in the spring of ...
FUJIMURA Yoshiyasu, FUJITA Hiroko, KATO Kunihiko, TAKENAKA Makoto, YANAGIYA Shuji
Ecology and civil engineering   9(2) 129-140   Dec 2006   [Refereed]
FUJITA Hiroko, INOUE Takashi
Vegetation science   22(2) 113-133   Dec 2005   [Refereed]
We investigated vegetation, ground water level and fluctuation, topography, peat accumulation and vegetation changes of Shinoro Mire, an isolated peatland remnant of Ishikari Mire, once the largest mire in Japan. Many pools and drainage ditches ha...
Vegetation science   21(2) 89-101   Dec 2004   [Refereed]
Changes in the Kushiro Mire have recently attracted attention: These include vegetation changes and human impacts such as river channelization, agricultural development in drainage areas and the inflow of turbid water. I examined herbaceous vegeta...
TSUDA Satoshi, FUJITA Hiroko, AJIMA Miho, NISHISAKA Kuniko, TSUJII Tatsuichi
Journal of Japanese Society of Grassland Science   48(3) 283-289   Aug 2002   [Refereed]
Influence of nutrient inflow from dairy farm on the vegetation of Mokeuni-numa Mire in Northern Hokkaido
Katou, K., Takenaka, M., Hayakawa, Y., Kusaba, K., Tachibana, H. and Fujita, H.
Proceedings of the International Workshop on Efficiency of Purification Process in Riparian Buffer Zones: There Design and Planning in Agricultural Watersheds   311-316   2002
Vegetation change after burning and grazing on the coastal grassland in Koshimizu, Hokkaido, Northern Japan.
Ajima, M., Tsuda, S. & Fujita H.
Vegetation science   15 61-64   1998   [Refereed]
Outline of life history of Lysichiton camtschatcense (Araceae).
FUJITA, H. & Ejima, Y.
Miyabea   3 9-15   1997   [Refereed]
Wetland vegetation classification with Multi-temporal Landsat TM data.
Yamagata, Y., Oguma, H. & Fujita, H.
Mires of Japan ?Ecosystems and Monitoring of Miyatoko, Akaiyachi and Kushiro Mires?   109-114   1996
The growth of Lysichiton camtschatcense seedlings under different light conditions
Fujita, H. & Tachikawa, S.
Ecol. Rev.   23 43-49   1994
Grosse, W., Schulte, A., Fujita, H.
Ecological Research   8(2) 151-158   1993   [Refereed]
First year vegetation after a grassland fire on coastal sand dunes of Wakka Nature Reserve in eastern Hokkaido
Tsuda, S., Fujita, H. & Nishisaka, K.
Japan. Ecol. Rev.   22 197-201   1993
Species composition of Zoysia type grassland without grazing for fifteen years at Tashirotai at the base of Mt. Hakkoda, northeast of Honsyu, Japan
Fujita, H.
Ecol. Rev.   22 99-105   1991
The relation between coastal vegetation and landform along the Esanuka seacoast northeastern Hokkaido, Japan
Fujita, H., Tsuda, S. & Tujii, T.
Ecol. Rev.   22 9-16   1990
First year vegetation recovery after a moor fire in the Hakkoda Mountains of northeastern Japan
Tsuda, S., Kikuchi, T. & Fujita H.
Ecol. Rev.   21 297-299   1989
Differentiation of some Alnus japonica forests based on species composition and their soil condition
Fujita, H.
Ecol. Rev.   21 77-85   1987
The effects of fire on soil nitrogen mineralization and chlorophyll contents of Miscanthus sinensis
Fujita, H.
Ecol. Rev.   21 87-91   1987
Aboveground phytomass of post-fire vegetation in the second year at three locations of Honshu Island, Japan
Kikuchi, T., Tsuda, S., Fujita, H. & Takahashi, M.
Ecol. Rev.   21 93-98   1987
Japanese Journal of Ecology   35(5) 565-573   Mar 1985   [Refereed]
The soil condition of several types of Alnus japonica stands, and neighboring Ulmus davidiana var. japonica stands were studied in a small tributary basin in Miyagi Prefecture, Japan. The soil type of the study area varied from anaerobic peat soil...
Japanese Journal of Ecology   34(4) 473-475   Dec 1984   [Refereed]


Differences in soil condition of alder and neighboring elm stands in a small tributary basin
Japan. J. Ecology   35(5)    1986
Differentiation of some ┣DBAlnus(/)-┫DB ┣DBjaponica(/)-┫DB forests based on species composition and their soil condition
Ecological Review   21(2)    1987
Water table of alder and neighbouring elm stands in a small tributary basin
Jap. J. Ecol.   34(4)    1984
Fluctuation of soil chemical properties immediately after fire on the secondary oak forest in northeastern part of Japan
Ecol. Rev.   21(3)    1988
Annual and seasonal changes of soil chemical properties in the four year period after a fire in Rifu, Japan
Ecol. Rev.   21(3)    1988

Books etc

Ecology of Riparian Forests in Japan Disturbance, Life History, and Regenerarion
Sakio, H. & Tamura, T. Eds. (Part:Contributor, Distribution pattern and regeneration of swamp forest species with respect to site conditions)
Biodiversity and ecology in the Northernmost Japan
Higashi, S., Osawa, A. & Kanagawa, K. eds. (Part:Contributor, Coastal vegetation of Hokkaido)
Hokkaido University Press   1993   
Characteristics of the soil and water table in an Alnus japonica (Japanese alder)swamp
Laderman, A. D. Ed. (Part:Contributor, Coastally Restricted Forests)
Oxford University Press   1998   

Conference Activities & Talks

Late Holocene vegetation and climate changes reconstructed from plant macrofossils in peaty sediments in the Sarufutsugawa mires, North Hokkaido, Japan
Momohara, A., Yano, A., Fujita, H., Kito, N., Inoue, T., Kondo, R., Miyairi, Y. and Yokoyama, Y.
University of Tokyo AORI international workshop: Recent Advances in Paleoclimate Studies,   Jun 2016   
Long-term effects of drainage on the vegetation in Shizukari mire, Japan.
Lee, A., Fujita, H., Kobayashi, H. and Suzuki, T
58th Annual Symposium of the International Association for Vegetation Science: Understanding broad-scale vegetation patterns   Jul 2015   
Biodiversity and conservation of mire ecosystems in Hokkaido, Japan.
Fujita, H., Kobayashi, H., Lee, A. and Nimi, E.
International Workshop on Peatland Management ‘Future aspect of management in tropical and cool temperate peatlands’ Harmonious and Sustainable Relationship with Nature, Center for Sustainability Science, Hokkaido University, Sapporo   10 Oct 2013   
Biodiversity and conservation of mire ecosystems in Hokkaido
Fujita, H
Japan, Japanese Delegation visiting to Jujian Academy of Agricultural Sciences –Academic reports   8 May 2013   
Biodiversity and conservation of mire ecosystems in Hokkaido,Japan.
Fujita, H., Takada, M., Kobayashi, H., Niimi, E. and Kura, H.
Japan. International Workshop on Freshwater Biodiversity Conservation in Asia   27 Nov 2012   
Holocence vegetation change in Sarufutsu River Mire, northern Hokkaido, Japan
Fujita, H., Igarashi Y., Kato Y., Inoue T., Takada M.
The 14th international peat congress   Jun 2012   
Effects of water level fluctuation pattern on vegetation in sand dune mire complex
Y. Fujimura and H. Fujita
The5th EAFES international Congress   Mar 2012   
Analysis of sika deer trails using multi-temporal air photographs in Sarobetsu Mire, Hokkaido
Muramatsu, H., Fujita, H., Takada, M.
The5th EAFES international Congress   Mar 2012   
Distribution and habitats of Amsonia elliptica
Kagawa, K., Fujita, H. and Azuma T.
International Symposium on East Asia Plant Diversity and Conservation, Japanese Society for Plant Systematic   2 Aug 2008   
Approach to the restoration of Sphagnum vegetation in Sarobetsu Mire
Fujita, H., Inoue, T., Umed, Y. and Fujimura, Y
Biodiversity and Sustainable Development - Ecological and Socio-Economic Challenges for the Conservation and Restoration of Wetlands in Japan and Europe   2 Oct 2007   
Conservation and restoration of mire ecosystems in Hokkaido, Japan
Fujita, H., Inoue, T. and Okada, M.
Biodiversity and sustainable development ?Ecological and socio-economic challenges for the conservation and restoration of wetlands in Japan and Europe   2 Jul 2007   
Types of mires and their formation in Hokkaido, Japan
Fujita, H. & Inoue, T.
The Ecological Society of America 90th Annual Meeting held jointly with the IX International Congress of Ecology   Aug 2005   
The relationship of sediment accumulation with alder expansion
Y. Fujimura, H. Fujita, K. Kato, M. Takenaka, S. Yanagiya, H. Fujiwara
7th INTECOL International Wetland Conference   2004   
Effects of control burning on coastal grassland vegetation in eastern Hokkaido, Japan
Ajima, M. & Fujita, H.
The VIII International Congress of Ecology   2002   
Influence of nutrient inflow from dairy farm on the vegetation of Moleuni-numa Mire in northern Hokkaido
Kato, K., Takenaka, M., Hayakawa, Kusaba, K., Tachibana, H. and Fujita, H.
International Workshop on Efficiency of Purification Process in Riparian Buffer Zones: There Design and Planning in Agricultural Watersheds   2001   
Ecological study of wetlands conservation and management in Hokkaido, Japan
Fujita, H. & Tachibana H.
INTECOL'S V International Wetlands Conference   1996   
Sakhalin spruce (Picea glehnii) swamp forest in eastern Hokkaido, Japan
Fujita, H., Kojima, S. & Nakata, M.
VI International Congress of Ecology   1994   
A study of monitoring methods for the conservation of the Kushiro mire ecosystem in Japan
Fujita, H. & Tujii, T.
INTECOL's IV International Wetland Conference   1992   
An application of remoto sensing method for vegetation mapping
Tsujii, T. & Fujita, H.
5th Sapporo International Computer Graphics Symposium   1991   
Physicochemical feature of soil and water table in Japanese alder (Alnus japonica) swamp
Fujita, H.
V International Congress of Ecology   1990   
A special seashore forest in eastern Hokkaido,
Shinsho, H. & Fujita, H
Ⅴ International Congress of Ecology   1990   
Monitoring of weed infestation of grassland using landsat data
Akiyama,T., Yamagata,Y., Shibayama, M., Hayashi, H. and Fujita H.
XVI International Grassland Congress   1989   


A study for the conservation of the wetland ecosystem : establishment of the method of monitoring the ecosystem and the countermeasures to the influence from the sorrounding agricultural lands
1988 - 1992
Remote sensing for agriculture-Image analysis of environment and resources using Landsat TM data--
The management of Sarobetsu mire
Effect of mineral soil into a mire and it's conservation

Research Grants & Projects

Development of a Monitoring System for a Mire/Pond Ecosystem using Sarobetsu Mire and the Wakasakanai Coastal Dune Mire as a Model
環境省: 環境省環境研究総合推進費
Project Year: 2009 - Mar 2012    Investigator(s): FUJITA Hiroko
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(基盤研究(B))
Project Year: 2000 - 2001    Investigator(s): Noriyuki OHTAISHI
In 2000 and 2001, wildlife researchers from Hokkaido, Japan, and Russian wildlife experts from the Kurilsky State Nature Reserve and the Sakhalin Bureau of Fishery visited the "Four Northern Islands " (Kunashiri, Etorofu, Habomai and Shikotan) as ...
Ministry of Education, Culture, Sports, Science and Technology: Grants-in-Aid for Scientific Research(一般研究(B))
Project Year: 1992 - 1993    Investigator(s): Hidenori TAKAHASHI
Vegetation type, water physiology and water/heat balances of hygrophytes community were investigated in the Sarobetsu Mire, North Hokkaido. The results are summarized as follows,a) Diurnal changes of stomatal conductance were measured by a diffusi...
Restoration and Conservation of Wetland Vegetation
Ecological study of mire conservation and management in Hokkaido
Ecology and management of coastal grassland vegetation
Ecophysiological studies of Japanese and European ┣DBAlnus(/)-┫DB species to assess their flooding tolerance