Faculty Profiles - ITO Keitaro

Papers - ITO Keitaro

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Landscape Design and Ecological Management Process of Fishway and Surroundings Invited Reviewed International journal

Keitaro Ito,Tomomi Sudo,Kasuhito Ishimatsu and Hayato Hasegawa

Urban Biodiversity and Ecological Design for Sustainable Cities ( Springer ) 2021.03

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

Ecosystem Services (ES) are the ecological characteristics, functions, or processes that directly or indirectly contribute to human well-being. Green Infrastructure (GI) is characterized by its multiple benefits. In Japan, GI is defined as infrastructure and land use planning which enhances regional and national sustainability. The ecological functions and use by people in the study site were limited. Consequently, the Ministry of Land, Infrastructure, Transport, and Tourism (MLIT) asked the Laboratory of Environmental Design at Kyushu Institute of Technology (KIT), to design a new river bank. This project started in 2008, and the restoration plan was developed in cooperation together with local residents. We also considered how to implement GI in local community and could provide ecosystem services for local residents. In the 1960s, the river was a familiar environment for people. Children who lived close to the river had the opportunity to learn about nature from the river; however, the present river bank covered in concrete does not provide natural experiences for children. Preserving areas such as wildlife habitats and spaces where children can play is a crucial issue nowadays. The planning site had the potential to be a place for children to learn local ecology. Therefore, we designed the riverbank fishway not only for nature restoration but also as a place for children’s ecological learning. This chapter demonstrates the process of GI construction on the river Onga estuary in Japan to contribute to regional biodiversity conservation and provide ecological learning for children. It also should be noted that the purpose of urban landscape design or planning is to connect nature and people’s daily lives. In other words, an integrated approach in terms of “nature rehabilitation” and “lifescape” will be essential to create vernacular (i.e., domestic and functional) places in the future.

DOI： 10.1007/978-4-431-56856-8_5

Designing Approaches for Vernacular Landscape and Urban Biodiversity Invited Reviewed International journal

Keitaro Ito

Urban Biodiversity and Ecological Design for Sustainable Cities ( Springer ) 2021.03

Natural Environment and Management for Children's Play and Learning in Kindergarten in an Urban Forest in Kyoto,Japan. Invited Reviewed International journal

Tomomi Sudo, Shwe Yee Lin, Hayato Hasegawa, Keitaro ITO,Taro Yamashita and Ikuko Yamashita

Urban Biodiversity and Ecological Design for Sustainable Cities ( Springer ) 2021.03

Nature in the Cities: Places for Play and Learning Invited Reviewed International journal

Ingunn Fjørtoft, Sudo Tomomi and Keitato ITO

Urban Biodiversity and Ecological Design for Sustainable Cities ( Springer ) 2021.03

The process of constructing the fishway of Onga river as Green Infrastructure Invited Reviewed

Ito Keitaro, Sudo Tomomi, Hasegawa Hayato, Ishimatsu Kazuhito, Shiote Kento, Mitsuhashi Hisashi, Ono Yoshinori, Fukaura Takayuki, Shimada Tomoyuki, Izumi Taisaku, Toyokuni Norifumi

Landscape Ecology and Management ( Japan Association for Landscape Ecology ) 25 ( 1 ) 5 - 12 2020.01

A thought on between landscape ecology and landscape design Invited Reviewed

Ito Keitaro, Hirose Shunsuke

Landscape Ecology and Management ( Japan Association for Landscape Ecology ) 25 ( 1 ) 91 - 95 2020.01

Use of rain gardens for stormwater management in urban design and planning Reviewed

Ishimatsu K., Ito K., Mitani Y., Tanaka Y., Sugahara T., Naka Y.

Landscape and Ecological Engineering 13 ( 1 ) 205 - 212 2017.01

Ecological design: Collaborative landscape design with school children Reviewed

Ito K., Sudo T., Fjørtoft I.

Children, Nature, Cities 195 - 209 2016.01

風土性と地域・まちづくり Reviewed

伊東啓太郎

景観生態学 21 1 - 3 2016.01

Landscape Design and Children's Participation in a Japanese Primary School - Planning Process of School Biotope for 5 Years Invited Reviewed

441 - 453 2010.04

Emergence processs of governance for restoring an unmanaged ecosystem:comparison of two activities at the Satoyama forest and coastal pine forests in Fukutsu City,Japan（共著） Reviewed International journal

Hasegawa,H ,Asanami,F ,Sudo,T ,Ito,K and Kamada,M

Landscape and Ecological Engineering ( Springer ) 2024.02

Emergence process of governance for restoring an unmanaged ecosystem: comparison of two activities at the Satoyama forest and coastal pine forests in Fukutsu City, Japan Reviewed

Hasegawa H., Asanami F., Sudo T., Ito K., Kamada M.

Landscape and Ecological Engineering 2024.01

Developing Urban Green Spaces and Effective Use of Rooftop Spaces for Cooling and Urban Biodiversity Invited Reviewed International journal

Kazuhito Ishimatsu,Keitaro Ito,Yasunori Mitani

Urban Biodiversity and Ecological Design for Sustainable Cities ( Springer ) 2021.03

Collaborative Management of Satoyama for Revializing and Adding Value as Green Infrastructure Invited Reviewed International journal

Hayato Hasegawa,Tomomi Sudo,Shwe Yee Lin,Keitaro ITO and Mahito Kamada

Urban Biodiversity and Ecological Design for Sustainable Cities ( Springer ) 2021.03

Evaluation of Habitat Functions of Fragmented Urban Forests for Wildlife:The Case of Kitakyushu City Invited Reviewed International journal

Tohru Manabe,Minoru Baba,Kazuki Naito,Keitaro Ito

Urban Biodiversity and Ecological Design for Sustainable Cities ( Springer ) 2021.03

Preface Reviewed

Ito K.

Urban Biodiversity and Ecological Design for Sustainable Cities v - vi 2021.01

Industrial structure change and regional regeneration from heavy industry using the landscape Reviewed

Hirose Shunsuke, Ito Keitaro

Landscape Ecology and Management ( Japan Association for Landscape Ecology ) 26 ( 1 ) 59 - 63 2021.01

Trends and issues of landscape ecological studies on range expansion of bamboo forest in Japan -perspective for sustainable use of bamboo forest- Reviewed

Manabe, T., Shibata, S., Hasegawa, H. and Ito, K.

Landscape Ecology and Management ( Japan Association for Landscape Ecology ) 25 ( 2 ) 119 - 135 2020.12

The Implementation of Collaborative Bamboo Forest Management in Northern Fukuoka Prefecture, Japan Reviewed

Hasegawa, H., Sudo, T., Murayama H. and Ito, K

Landscape Ecology and Management ( Japan Association for Landscape Ecology ) 25 ( 2 ) 185 - 192 2020.12

Ecological networks based on river basin Invited Reviewed

Ito Keitaro, Ono Yoshinori

Landscape Ecology and Management ( Japan Association for Landscape Ecology ) 25 ( 1 ) 1 - 3 2020.01

Self-managerial activity by local people for keeping coastal pine forest and complemental policy of Fukutsu City, Fukuoka Prefecture, Japan Reviewed

Asanami Fumika, Ito Keitaro, Kamada Mahito

Landscape Ecology and Management ( Japan Association for Landscape Ecology ) 25 ( 1 ) 53 - 68 2020.01

Language：Japanese Publishing type：Research paper (scientific journal)

Coastal pine forest is one of the important green infrastructures, which provides several ecosystem services such as disaster prevention and beautiful scenery. Most of the coastal pine forests in Japan, however, has been unmanaged and changing to different types of forests through natural succession. In addition, the structure has been declining due to pine wilt disease. In this situation, coastal pine forest in Fukutsu City, Fukuoka Prefecture, has been restored by autonomic activities of local people. Enthusiasm come from people's memory of the past such as beautiful landscape of the pine forest and thought of recovering it. Local council, which was established under the policy of Fukutsu City, took a roll to share people's memories, recognize challenges and establish a goal in the local area. The council has act as the platform for public involvement and the motivation for the activities. Fukutsu City has transferred authority and fiscal resources to the local council according to the policy on promoting local governance. Thus it has successfully brought the governance-based solution to ecosystem management for keeping the functions of green infrastructure.

DOI： 10.5738/jale.25.53

CiNii Article

CiNii Research

Other Link： https://ci.nii.ac.jp/naid/130007980644

Trends and issues of landscape ecological studies on range expansion of bamboo forests in Japan -perspective for sustainable use of bamboo forests- Reviewed

Manabe Tohru, Shibata Shozo, Hasegawa Hayato, Ito Keitaro

Landscape Ecology and Management ( Japan Association for Landscape Ecology ) 25 ( 2 ) 119 - 135 2020.01

Language：Japanese Publishing type：Research paper (scientific journal)

<p>Bamboo forests are distributed across sites with various natural and social properties, although distribution patterns and site properties vary widely with regions and periods studied. Abandoned Bamboo Forests (ABFs) have been invading the adjacent lands since the bamboo industry had declined in 1980s. Bamboo can invade sites with various natural properties such as slope degree, slope position, land-use types and so on, leading that ABFs has increased their area largely. Expansion of ABFs also are affected by human impacts as well as the land-use types neighboring the ABFs. Studies on awareness about the expansion of bamboo forests for local residents showed that the many residents recognized that expanded bamboo forests have been abandoned but had less recognition that many bamboo forests have been expanding. Further, urban and suburban residents had different opinions about the ecosystem services bamboo forests provide. Ecosystem services such as habitats for wildlife and carbon stock have deteriorated in ABFs. To enhance ecosystem functions of ABFs, various techniques could be used such as constructing the new uses for bamboo culm and effective logging methods. In order to use ABFs as part of green infrastructure, establishment of long-term management systems that can be enhance ecosystem services of ABFs are important.</p>

DOI： 10.5738/jale.25.119

CiNii Article

CiNii Research

Other Link： https://www.jstage.jst.go.jp/article/jale/25/2/25_119/_pdf

The Implementation of Collaborative Bamboo Forest Management in Northern Fukuoka Prefecture, Japan Reviewed

Hasegawa Hayato, Sudo Tomomi, Murayama Hideaki, Ito Keitaro

Landscape Ecology and Management ( Japan Association for Landscape Ecology ) 25 ( 2 ) 185 - 192 2020.01

Growing Placeともに育つ場所　１６年間にわたる自然再生デザインのプロセス Invited Reviewed

伊東啓太郎

BIOCITY ( ブックエンド ) ( 76 ) 69 - 74 2018.10

Ecological Landscape Design for Restoring Urban Nature and Children's Play Invited Reviewed International journal

Urban Planet 386 - 387 2018.04

Collaborative forest management with basic environmental planning and biodiversity strategy in Fukutsu city Reviewed

ITO KEITARO, Sudo Tomomi, Hanada Yurie, Nakamatsu Takahiro, Ikejiri Emi, Shwe Yee Lin

The Japanese Forest Society Congress ( THE JAPANESE FORESTRY SOCIETY ) 128 ( 0 ) 11 2017.01

Ecological education in the forest: Outdoor learning in Norway and Japan Reviewed

Sudo Tomomi, Ito Keitaro, Fjørtoft Ingunn, Yamashita Taro, Yamashita Ikuko

The Japanese Forest Society Congress ( THE JAPANESE FORESTRY SOCIETY ) 128 ( 0 ) 223 2017.01

Characteristic of National park and forest usage in Urban area: the case study of Hlawga National park in Yangon Reviewed

Shwe Yee Lin, Ito Keitaro, Sudo Tomomi, Hanada Yurie, Nakamatsu Takahiro, Oda Yuusuke

The Japanese Forest Society Congress ( THE JAPANESE FORESTRY SOCIETY ) 128 ( 0 ) 224 2017.01

Vernacular and regional landscape design Reviewed

Ito Keitaro

Landscape Ecology and Management ( Japan Association for Landscape Ecology ) 21 ( 1 ) 49 - 56 2016.01

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

<p>Vernacular Landscape design and regional planning methods were discussed based on examples of interesting landscape and our design projects and approach methods from landscape ecology. The process and characteristics of designing a city park for vernacular and biodiversity was discussed. Public space design usually has limiting conditions. Thus, history, culture, land shape, vegetation should be adapted to the design when we think about better landscape design. Featured landscape attract people and are easy to preserve. In this paper it is discussed how "usual landscape" is situated within the history and nature of an area, and how it should be designed.</p>

DOI： 10.5738/jale.21.49

CiNii Article

CiNii Research

Other Link： http://ci.nii.ac.jp/naid/130006034924

Natural and Cultural Landscape in Northern Kyushu Area Invited Reviewed

Ito Keitaro, Fujita Naoko, Manabe Tohru, Sudo Tomomi, Hanada Yurie, Itagaki Sayaka

Landscape Ecology and Management ( Japan Association for Landscape Ecology ) 20 ( 2 ) 149 - 154 2016.01

Vernacular Landscape design and regional planning Invited Reviewed

Ito Keitaro

Landscape Ecology and Management ( Japan Association for Landscape Ecology ) 21 ( 1 ) 1 - 3 2016.01

What are the brown/biodiverse roofs? : A conservation action for threatened brownfields supporting urban biodiversity Reviewed

Kazuhito ISHIMATSU, Keitaro ITO

Landscape and Ecological Engineering 9 ( 2 ) 299 - 304 2013.06

Developing urban green spaces for biodiversity : a review Reviewed

17 ( 2 ) 31 - 41 2012.12

Basic study on the heat release characteristics from Shikkui: A Japanese traditional architectural material Reviewed

Kazuhito ISHIMATSU, Keitaro ITO, Yasunori MITANI, Tetsuro OIKE, Nobuyoshi YUKIHIRA, Syuichi TAKATA, Yusuke IKEDA, Kyohei FUJITSUKA, Yusuke NISHIO

Journal of Habitat Engineering and Design 4 ( 1 ) 13 - 22 2012.03

Leaching of Lead Ions from Calcium Carbonate Compact with Sewage Sludge Ash Reviewed

19 ( 357 ) 37 - 43 2012.01

Safety Assessment for Casting Calcium Carbonate with shredder residue ash Reviewed

Tetsuro Oike, Keitaro Ito, Koji Kakimoto, Nobuyoshi Yukihira, Seiichi Manabe

Proceedings of the International Conference on Environmental Aspects of Bangladesh 173 - 175 2011.09

Phenomenological Analysis on Strength Development of Casting Calcium Carbonate Reviewed

18 ( 352 ) 123 - 127 2011.05

Development of an index to evaluate biodiversity and cultural asset through a landscape design for urban green and water areas Reviewed

Keitaro Ito

Journal of the Japanese Society of Revegetation Technology 36 ( 3 ) 387 - 389 2011.02

How green enviroments afford play habitats and promote healthy child development. A mutual approach from two different cultures: Norway and Japan Reviewed

46 - 61 2011.02

Green roofs for urban areas: effect of irrigated-soil covered roofs for cooling Reviewed

2010.10

Integrating ecological and cultural values toward conservation and utilization of shrine/temple forests as urban green space in Japanese cities Reviewed

6 307 - 315 2010.03

Evaluation of shrine forests as urban green space Reviewed

Tohru Manabe, Hiroaki Ishii, Keitaro Ito

12 ( 1 ) 1 - 8 2007.12

The consciousness structure of the Shinto priests for the management the shrine forests in urban area Reviewed

Daisuke Hashimoto, Keitaro Ito, Shuji Iijima

12 ( 1 ) 45 - 52 2007.12

Community structure of secondary evergreen broad-leaved forests in the urban area of Kitakyushu City, western Japan. Reviewed

Manabe T.,Ito K.,Hashimoto D.,Naito K.& Watanabe S.

Bull.of the Kitakyushu Mus.of Nat. His.and Human His. Series.A, 5 39 - 48 2007.03

Prediction of environment changes in urban green spaces at Kitakyushu city using vegetation geography Reviewed

Dai Isono, Keitaro Ito, Tohru Manabe, Takashi Umeno

5 33 - 38 2007.03

Current situation of urban green spaces and ecological engineering for nature restoration

Keitaro Ito

23 - 28 2007.02

Development of a new planting container made of Japanese traditional building materials "Tsuchi-shikkui" Reviewed

Keitaro Ito, Akinobu Taniyama, Koichiro Gyokusen, Susumu Harada, Shozaburo Takagi

The Japanese Society of Revegetation Technology 31 ( 4 ) 431 - 435 2006.05

Nature restoration and green roof in urban area

Keitaro Ito

1 - 6 2006.04

Research on the influence of city planning system for change in land covering with satellite images - A case study in Kitakyushu city - Reviewed

Takashi Umeno, Keitaro Ito, Tohru Manabe

Kyushu J. For. Res. 59 ( 1 ) 42 - 46 2006.03

A study on forest park planning for children's play and ecological education -Evaluation of the school children's images in the forest- Reviewed

Yuta Hashimoto, Keitaro Ito, Tomoji Ikeda, Shigejiro Yoshida

Kyushu J. For. Res. 59 23 - 27 2006.03

A study about area transition and connectivity evaluation of the urban forest -In the central part of Kitakyushu city- Reviewed

Dai Isono, Keitaro Ito, Suzuki Takeo, Takashi Umeno, Tohru Manabe

Kyushu J. For. Res. 59 47 - 51 2006.03

Study about the control of bamboo forest expansion in Nogata-city by the citizen's participation - By using the aero-photograph in 14 years- Reviewed

Takahiro Akashi, Keitaro Ito, Daisuke Hashimoto, Tomoji Ikeda, Tohru Manabe

Kyushu J. For. Res. 59 52 - 55 2006.03

Basic study on distributional patterns and ecological characteristics of shrine/temple forests in Kitakyushu city Reviewed

Daisuke Hashimoto, Keitaro Ito, Tohru Manabe, Dai Isono, Takashi Umeno

59 56 - 59 2006.03

Basic study about the evaluation of natural environment for the ecological education Reviewed

Tomokazu Koyanagi, Keitaro Ito, Takashi Umeno, Dai Isono, Ayaka Tomiyama

Kyushu J. For. Res. 59 28 - 32 2006.03

Examination of new sea engineering materials using dredging soil

Kohji Kakimoto, Keitaro Ito, Kazuya Matsuo

555 - 558 2006.01

Mehrsprachigkeit/Plurilingualismus in der EU : Zu Integrationsmoglichkeiten fremdsprachlicher und interkultureller Ausbildung Reviewed

Masako Sugitani, Hideaki Takahashi

Journal of Foreign Language Education and Research 10 35 - 66 2005.04

Practice study and field for development of professional knowledge

Keitaro Ito

2005.04

Study on the water quality purification and soil improvement by using the carbonized plum seed Reviewed

Megumi Yamagami, Keitaro Ito, Kohji Kakimoto, Tomonori Iwasaki

Kyushu J. For. Res. 58 84 - 87 2005.03

The using of the electric furnace as a materials for civil engineering Reviewed

Kohji Kakimoto, Kazuhito Ishimatsu, Keitaro Ito

Proceedings of the Conference on Energy, Economy, and Environment 21 139 - 142 2005.01

The study of the outlook on nature and forest environmental education in elementary school -In case of the schoolchildren and the guardians in Nogata city and Hita city- Reviewed

Masaru Aota, Shigejiro Yoshida, Takuhiko Murakami, Tomoji Ikeda, Keitaro Ito

Kyushu J. For. Res. 57 22 - 25 2004.04

A study about park planning for children's play and ecological education -Planning approach from space and human body scale- Reviewed

Keitaro Ito, Shigejiro Yoshida, Katsunori Fujiwara, Kentaro Masuda, Yasushi Mitsuda, Tomoji Ikeda, John Benson, Morio Imada

kyushu J. For. Res. 57 62 - 66 2004.04

Analysis of landscape changes by using digital vegetation map in mid-northern region in Kitakyushu city Reviewed

Takeo Suzuki, Tohru Manabe, Keitaro Ito, Takashi Umeno

2 79 - 85 2004.03

Basic study about the evaluation of urban green and the ecological networks -A case study on Murasaki River basin in Kitakyushu- Reviewed

Jingo Kaku, Keitaro Ito, Dai Isono, Yasushi Mitsuda, Takashi Umeno

Kyushu J. For. Res. 57 163 - 166 2004.03

Study on the workshop with process planning for the environmental education in a forest park Reviewed

Toshiya Oka, Keitaro Ito, Shigejiro Yoshida, Tomoji Ikeda, Morio Imada

Kyushu J. For. Res. 57 158 - 162 2004.03

A verification by practical vehicle driving experiment on a calculation method of noise reduction of stone wall and block fence Reviewed

Shingo Kuma, Yoshinori Watanabe, Keitaro Ito, Hiroyuki Sakata

Infrastructure Planning Review 20 269 - 276 2003.04

Study on the biotope planning for children's play and environmental education at a primary school -The workshop with process planning methods- Reviewed

Keitaro Ito, Kentaro Masuda, Nozomi Haruzono, Sachiko Tsuda, Tohru Manabe, Katsunori Fujiwara, John Benson, Maggie Roe

Japan Society of Civil Engineering 31 431 - 438 2003.04

Study on management for urban green areas by means of an understanding of landscape structure in Yamada Green Park in Kitakyushu City Reviewed

Hideko Kashima, Keitaro Ito, Tohru Manabe

Japan Association for Landscape Ecology 8 ( 1 ) 1 - 6 2003.04

The trial and consciousness of schools to environmental education Reviewed

Masaru Aota, Shigejiro Yoshida, Takuhiko Murakami, Morio Imada, Keitaro Ito, Tomoji Ikeda

Kyushu J. For. Res. 56 145 - 148 2003.04

Stand structure of a fragmented evergreen broad-leaved forest at a shrine and changes of landscape structures surrounding a suburban forest, in northern Kyushu Reviewed

Journal of Japanese Revegetation Technology 28 ( 3 ) 438 - 447 2003.04

The methods of making the digital vegetation maps by using digital orthophotographs -In the case of the Yamada Green Park in Kitakyushu City- Reviewed

Yasushi Mitsuda, Tohru Manabe Keitaro Ito, Hideko Kashima, Takeo Suzuki

1 ( 1 ) 57 - 65 2003.04

A discussion about concrete structure of the waterfront at the rivers Reviewed

Keitaro Ito

Concrete Engineering Series 45 1 - 4 2002.04

A study about vegetation planting on the porous concrete Reviewed

Concrete Engineering Series 45 ( 2 ) 35 - 40 2002.04

Improvement on traffic noise of arterial road through low walls with the opening Reviewed

Yoshinori Watanabe, Takafumi Konomi, Keitaro Ito, Shingo Kuma, Kayo Soga

Japan Society of Civil Engineering 18 ( 2 ) 213 - 221 2001.04

Basic study about the ecological evaluation index in the city park -A case study in Kitakyushu city- Reviewed

Yutaka Miyawaki, Keitaro Ito, Koichi Nakama

Japan Society of Civil Engineering 18 ( 2 ) 359 - 362 2001.04

A study on influence of riverside improvements on residents' behavior -a survey of Murasaki River in Kitakyushu city- Reviewed

Kimie Masuda, Keitaro Ito

Japan Society of Civil Engineering 28 227 - 232 2000.04

Ecological roles of stem sprouts and creeping sprouts of Aucuba japonica Thunb. Reviewed

Journal of Forest Research 4 ( 2 ) 137 - 143 1999.04

Growth of Aucuba japonica seedlings under four different light conditions Reviewed

47 123 - 124 1994.04

Growth of Aucuba japonica seedlings under the differat light condition Reviewed

Bulletin of kyushu Branch of the Japanese Forestry Society 47 123 - 124 1994.04

Seed dispersal and seedling surviral of Aucuba japonica in broad-leaved forest. Reviewed

Bulletion of Kyushu Branch of the Japanese Forestry Society 47 85 - 86 1994.04

Growth of Aucuba japonica seedlings under four different light conditions Reviewed

Bull. Kyushu Br. Jpn. For. Soc. 47 123 - 124 1994.04

Advantage of seed dispersal by birds in Aucuba japonica Reviewed

Proceedings of the International Congress of Ecology 297 - 297 1994.04

アオキ種子の果肉の有無が発芽に及ぼす影響

伊東啓太郎

41回日本生態学会講演要旨集 26 - 26 1994.04

アオキの種子散布様式と発芽特性 Reviewed

伊東　啓太郎

日本林学会九州支部論文集 46 109 - 110 1993.04

The Characteristics of seed dispersal and germination of Aucuba japonica Reviewed

Bulletin of Kyushu Branch of the Japanese Forestry Society 46 109 - 110 1993.04

Propageation Characteristics of Aucuba japonica in the warm temperate region in Japan Reviewed

International Botanical Congress 284 - 284 1993.04

Regeneration characteristics of Aucuba japonica in two different developing stages Reviewed

Bull. Kyushu Br. Jpn. For. Soc. 45 87 - 88 1992.04

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Papers - ITO Keitaro