HATA Kenji

Last updated: Nov 21, 2018 at 14:03

Name	HATA Kenji
Nickname	Kenji_HT
Affiliation	Nihon University
Section	College of Commerce

Research Interests

Ogasawara (Bonin) Islands(1) , plant ecology(83) , conservation biology(59) , exotic species(2) , island ecology(1) , ecosystem management(10) , forest management(44) , weed(23) , oceanic island(1) , matter flow(1)

Research Areas

Resource conservation science / Resource conservation science / biological invasion
Resource conservation science / Resource conservation science / conservation biology
Forestry / Forest science / forest dynamics
Resource conservation science / Resource conservation science / ecosystem management
Basic biology / Ecology/Environment / plant ecology

Academic & Professional Experience

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Apr 2018

Today

Associate Professor, College of Commerce, Nihon University

Oct 2013

Mar 2018

Post Doctoral Fellow, Graduate School of Science and Engineering, Tokyo Metropolitan University

Sep 2010

Mar 2011

Tokyo University of Pharmacy and Life Sciences

May 2010

Mar 2013

post doctoral fellow, Tokyo Metropolitan Unversity

Aug 2009

Mar 2010

post doctoral fellow, Tokyo Metropolitan Univesity

Jun 2009

Mar 2013

Tokai University

Sep 2008

Mar 2009

post doctoral fellow, Tokyo Metropolitan University

Apr 2008

Today

guest investigator, Tokyo Metropolitan University

Jul 2007

Mar 2008

post doctoral fellow, Tokyo Metropolitan University

Education

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Apr 2001

Mar 2007

Department of Biological Sciences, Graduate School of Science, Tokyo Metropolitan University

Apr 1999

Mar 2001

Graduate School of Science and Engineering, Ibaraki Universoty

Apr 1995

Mar 1999

Faculty of Science, Ibaraki Universoty

Published Papers

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Species-specific growth patterns of trees neighboring dead oak trees caused by Japanese oak wilt disease

Hata Kenji, Iwai Noriko, Sato Takanori, Sawada Haruo

JOURNAL OF FOREST RESEARCH 22(4) 248-255 2017 [Refereed]

Attack by Platypus quercivorus enhances diameter growth of surviving Quercus serrata

HATA Kenji, IWAI, Noriko, SAWADA, Haruo

Forest Science 60 1024-1028 2014 [Refereed]

Complex interrelationships among aboveground biomass, soil chemical properties, and events caused by feral goats and their eradication in a grassland ecosystem of an island

HATA Kenji, KOHRI, Mari, MORITA, Sayaka, HIRADATE, Syuntaro, KACHI, Naoki

Ecosystems 17 1082-1094 2014 [Refereed]

Fine-scale distribution of aboveground biomass of herbaceous vegetation and soil nutrients on an oceanic island after goat eradication are correlated with grazing damage and seabird nesting

HATA Kenji, KOHRI Mari, MORITA Sayaka, HIRADATE Syuntaro, KACHI Naoki

Pacific Conservation Biology 20 344-353 2014 [Refereed]

Seedlings of a native shrub can establish under forests dominated by an alien tree, Casuarina equisetifolia, on subtropical oceanic islands

Hata, K., Kato, H., Kachi, N.

Journal of Forest Research 17 208-212 2012 [Refereed]

Regulation of mitochondrial transport and inter-microtubule spacing by Tau phosphorylation at the sites hyperphosphorylated in Alzheimer’s disease

Shahpasand, K., Uemura, I., Saito, T., Asano, T., Hata, K., Shibata, K., Toyoshima, Y., Hasegawa, M. and Hisanaga, S.

The Journal of Neuroscience 32(7) 2430-2441 2012 [Refereed]

Leaf litter of the invasive Casuarina equisetifolia decomposes at the same rate as that of native woody species on oceanic islands but releases more nitrogen

Hata, K., Kato, H. and Kachi

Weed Research 52 542-550 2012 [Refereed]

Litterfall in forests dominated by an alien woody species, Casuarina equisetifolia, on Chichijima Island

Hata, K., Kato, H. and Kachi, N.

Ogasawara Research 35 1-14 Mar 2010 [Refereed]

Fine-scale spatial distribution of seedling establishment of the invasive plant, Leucaena leucocephala, on an oceanic island after feral goat extermination

Hata, K., Suzuki, J-I. and Kachi, N.

Weed Research 50(5) 472-480 2010 [Refereed]

Litter of an alien tree, Casuarina equisetifolia, inhibits seed germination and initial growth of a native tree on the Ogasawara Islands (subtropical oceanic islands)

Hata, K., Kato, H. and Kachi, N.

Journal of Forest Research 15(6) 384-390 2010 [Refereed]

Community structure of saplings of native woody species under forests dominated by alien woody species, Casuarina equisetifolia, in Chichijima Island

Hata, K., Kato, H. and Kachi, N.

Ogasawara Research 34 35-50 Mar 2009 [Refereed]

Invasion of an alien woody species, Leucaena leucocephala, on the Ogasawara Islands after feral goat eradication

Hata, K., Kachi, N.

Global Environmental Research 14(1) 65-72 2009 [Refereed]

Vegetation changes between 1978, 1991 and 2003 in the Nakoudojima island that had been disturbed by feral goats

Hata, K., Suzuki, J-I. and Kachi, N.

Ogasawara Research 32 1-8 Mar 2007 [Refereed]

Effects of an alien shrub species, Leucaena leucocephala, on establishment of native mid-successional tree species after disturbance in the national park in the Chichijima island, a subtropical oceanic island

Hata, K., Suzuki, J-I. and Kachi, N.

Tropics 16(3) 283-290 2007 [Refereed]

19-year study of dynamics of an alien tree, Bischofia javanica, on a subtropical oceanic island

Hata, K., Suzuki, J-I., Kachi, N. and Yamamura, Y.

Pacific Science 60(3) 455-470 2006 [Refereed]

Effectiveness of the weed risk assessment system for the Bonin Islands

29. Kato, H., Hata, K., Yamamoto, H. and Yoshioka, T.

Assessment and Control of Biological Invasion Risks 65-72 2006

Soil erosion alters soil chemical properties and limits grassland plant establishment on an oceanic island even after goat eradication

HATA Kenji

Restoration Ecology in press [Refereed]

Misc

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Eradication of feral goats enhances expansion of the invasive shrub Leucaena leucocephala on Nakoudo-jima, an oceanic island

T. Osawa, K. Hata, N. Kachi

Weed Research 56(2) 168-178 Apr 2016

© 2016 European Weed Research Society.Summary: Many introduced species can co-exist within the same ecosystem and sometimes interact with each other. Under such situations, eradication of one species may cause unexpected negative effects. Nakoudo-...

Establishment of early-stage planted seedlings of a native woody species under a closed canopy of invasive Casuarina equisetifolia in the subtropical oceanic Ogasawara Islands

Kenji Hata, Naoki Kachi

Journal of Forest Research 22 135-140 Jan 2017

© 2017 The Japanese Forest Society. Extirpation of invasive plants does not always result in successful restoration of native plant communities because it can alter ecosystem function or promote further incursion of other invasive plants. To test ...

Increases in soil water content after the mortality of non-native trees in oceanic island forest ecosystems are due to reduced water loss during dry periods

Kenji Hata, Kazuto Kawakami, Naoki Kachi

Science of the Total Environment 545/546 380-380 Mar 2016

© 2015 Elsevier B.V.The control of dominant, non-native trees can alter the water balance of soils in forest ecosystems via hydrological processes, which results in changes in soil water environments. To test this idea, we evaluated the effects of...

Higher Soil Water Availability after Removal of a Dominant, Nonnative Tree (Casuarina equisetifolia Forst.) from a Subtropical Forest

K. Hata, K. Kawakami, N. Kachi

Pacific Science 69(4) 445-460 Oct 2015

© 2015 by University of Hawai'i Press All rights reserved.The eradication of dominant, nonnative trees can alter soil conditions in forest ecosystems by changing the forest's water balance. To test this idea, we measured water in surface soil in f...

Effects of soil erosion and seabird activities on chemical properties of surface soils on an oceanic island in Ogasawara Islands, Japan

Syuntaro Hiradate, Sayaka Morita, Kenji Hata, Kenji Hata, Takeshi Osawa, Kyoko Sugai, Kyoko Sugai, Naoki Kachi

Catena 133 495-502 Jan 2015

© 2015 Elsevier B.V.To conserve indigenous natural ecosystem and help in the recovery of natural vegetation on Nakoudojima Island, which is a subtropical oceanic island in Ogasawara Islands in Japan, we clarified the mechanisms of the changes in s...

Conference Activities & Talks

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Impacts of eradication of alien species on island ecosystems: preferred and unpreferred eradication scenarios

Yoshida, K., Hata, K., Kohri, M., Kachi, N.

The 5th EAFES (East Asian Federation of Ecological Societies) International Congress Mar 2012

Impacts of eradication of alien species on island ecosystems: Spatial distributions of carbon, nitrogen and phosphorus in soils after goat eradication

Hata, K., Kohri, M., Hiradate, S., Morita, S., Kachi, N.

The 5th EAFES (East Asian Federation of Ecological Societies) International Congress Mar 2012

Litter of an alien tree inhibits seed germination and initial growth of a native tree on a subtropical oceanic island

Hata, K.

International Symposium "Alien vs. Researcher" Dec 2009

Spatial distribution of an alien shrub species in an oceanic island after the eradication of feral goats depends upon distances from its seed source and structure of herbaceous vegetation

Hata, K., Suzuki, J-I, Kachi, N., Kato, H

International Symposium on "Impacts of invasive alien species on biodiversity and mitigation of fragile ecosystems in the oceanic Ogasawara (Bonin) Islands" Dec 2007

Characteristics of mineral compositions of plants growing on Ogasawara Islands, Japan

Hiradate, S., Morita, S., Kusumoto, Y., Koyanagi, T., Hata, K., Sugai, K., Kato, H.

The 5th EAFES (East Asian Federation of Ecological Societies) International Congress Mar 2012

Association Memberships

ECOLOGY AND CIVIL ENGINEERING SOCIETY(78) , THE JAPANESE FORESTRY SOCIETY(198) , THE SOCIETY OF VEGETATION SCIENCE(42) , THE ECOLOGICAL SOCIETY OF JAPAN(526)

Research Grants & Projects

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Ten years changes of vegetation in an oceanic island after eradication of feral goats

The Japan Science Grant: Sasagawa Scientific Research Grant

Project Year: Apr 2011 - Mar 2012 Investigator(s): HATA Kenji

The Japan Science Grant: Sasagawa Scientific Research Grant

Project Year: Apr 2001 - Mar 2002 Investigator(s): HATA Kenji