List 2003- - 北海道大学大学院　農学院・農学研究院農学部造林学研究室

List of papers from the lab. 2003-2011 †

partly cited from the Research Group of Forest Dynamics (2003-2005)

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2012 †

Kim YS, Imori M, Watanabe M, Hatano R, Yi MJ, Koike T Simulated nitrogen inputs influence methane and nitrous oxide fluxes from a young larch plantation in northern Japan. Atmospheric Environment 46:36-44.
Makoto, K, Kamata N, Kamibayashi N, Koike T, Tani H. Bark-beetle-attacked trees produced more charcoal than unattacked trees during a forest fire on the Kenai Peninsula, Southern Alaska. Scandinavian Journal of Forest Research 27:30-35.
Makoto, K, Shibata H, Kim YS, Satomura T, Takagi K, Nomura M, Satoh F, Koike T. Contribution of charcoal to short-term nutrient dynamics after surface fire in the humus layer of a dwarf bamboo-dominated forest. Biology and Fertility of Soils. DOI: 10.1007/s00374-011-0657-y
Urata T, Shibuya M, Koizumi A, Torita H, Cha JY. Both stem and crown mass affect tree resistance to uprooting. Journal of Forest Research 17:65-71.

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2011 †

Kayama M, Satoh F, Koike T. Photosynthetic rate, needle longevity, and nutrient contents in Picea glehnii growing on strongly acidic volcanic ash soil in northern Japan. Photosynthetica 49:239-245.
Kim YS*, Makoto, K*, Takakai F, Shibata H, Satomura T, Takagi K, Hatano R, Koike T. (*these authors contributed equally) Greenhouse gas emissions after a prescribed fire in white birch-dwarf bamboo stands in northern Japan, focusing on the role of charcoal. European Journal of Forest Research 130:1031-1044.
Kim YS, Watanabe M, Imori M, Sasa K, Takagi K, Hatano R, Koike T. Reduced atmospheric CH4 consumption by two different forest soils in elevated CO2 concentrations in a FACE system in cool-temperate northern Japan. Journal of Japan Society for Atmospheric Environment 46:30-35.
Makoto, K, Choi DS, Hashidoko Y, Koike T. The growth of Larix gmelinii seedlings as affected by charcoal produced at two different temperatures. Biology and Fertility of Soils 47:467-472.
Makoto, K, Hirobe M, DeLuca? TH, Bryanin SV, Procopchuk VF, Koike T. Effects of fire-derived charcoal on soil properties and seedling regeneration in a recently burned Larix gmelinii/Pinus sylvestris forest. Journal of Soils and Sediments 11:1317-1322.
Watanabe M, Watanabe Y, Kitaoka S, Utsugi H, Kita K, Koike T. Growth and photosynthetic traits of hybrid larch F1 (Larix gmelinii var. japonica X L. kaempferi) under elevated CO2 concentration with low nutrient availability. Tree Physiology 31:965-975.
Watanabe M, Yamaguchi M, Matsumura H, Kohno Y, Koike T, Izuta T. A case study of risk assessment of ozone impact on forest tree species in Japan (2011) Asian Journal of Atmospheric Environment 5:205-215.

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2010 †

Aoyama C, Novriyanti E, Koike T. Induced defense in the leaves of Japanese White Birch Seedlings Grazed by Gypsy Moth Larvae. Eurasian Journal of Forest Research 13:49-55.
Makoto, K, Kim YS, Tamai Y, Koike T. Buried charcoal layer and ectomycorrhizae cooperatively promote the growth of Larix gmelinii seedlings. Plant and Soil 327:143-152.
Mao QZ, Watanabe M, Koike T. Growth characteristics of two promising tree species for afforestation, birch and larch in the northeastern part of Asia. Eurasian Journal of Forest Research 13:69-76.
Novriyanti E, Aoyama C, Watanabe M, Koike T. Plants Defense Characteristics and Hypothesis on the Birch species. Eurasian Journal of Forest Research 13:77-85.
Suetsugu N, Satoh F, Koike T. An Atlas of Collembola Species in the Sapporo Experimental Forest of Hokkaido University in Northern Japan. Eurasian Journal of Forest Research 13:57-67.
Takagi, K., Kotsuka, C., Fukuzawa, K., Kayama, M., Makoto, K., Nomura, M., Fukazawa, T., Takahashi, H., Hoyo, H., Ashiya, D., Naniwa, A., Sugata, S., Kamiura, T., Sugishita, Y., Sakai, R., Ito, K., Kobayashi, M., Maebayashi, M., Mizuno, M., Murayama, T., Kinoshita, K., Fujiwara, D., Hashida, S., Shibata, H., Yoshida, T., Sasa, K., Saigusa, N., Fujinuma, Y., Akibayashi, Y. (2010) Allometric relationships and carbon and nitrogen contents for three major tree species (Quercus crispira, Betula ermanii, and Abies sachalinensis) in northern Hokkaido, Japan. Eurasian Journal of Forest Research 13:1-7.
Watanabe Y, Satomura T, Sasa K, Funada R, Koike T. Differential anatomical responses to elevated CO2 in saplings of four hardwood species. Plant, Cell and Environment 33:1101-1111.
Watanabe M, Umemoto-Yamaguchi M, Koike T, Izuta T. Growth and photosynthetic response of Fagus crenata seedlings to ozone and/or elevated carbon dioxide. Landscape and Ecological Engineering 6:181-190.

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2009 †

Choi D, Makoto, K, Quoreshi AM, Qu L. Seed germination and seedling physiology of Larix kaempferi and Pinus densiflora in seedbeds with charcoal and elevated CO2. Landscape and Ecological Engineering 5:107-113.
Kayama M, Makoto, K, Nomura M, Sasa K, Koike T. Growth characteristics of Sakhalin spruce (Picea glehnii) planted on the northern Japanease hillsides exposed to strong winds. Trees 23:145-157.
Kayama M, Makoto, K, Nomura M, Satoh F, Koike T. Dynamics of elements in larch seedlings (Larix kaempferi) regenerated on serpentine soil in northern Japan. Landscape and Ecological Engineering 5:125-135.
Kim YS, Yi MJ, Lee YY, Makoto, K, Son Y. Estimation of carbon storage, carbon inputs and soil CO2 efflux of alder plantations on granite soil in central Korea: comparison with Japanese larch plantation. Landscape Ecological Engineering 5:157-166.
Kitahashi Y, Ichie T, Maruyama Y, Kenzo, T, Kitaoka S, Matsuki S, Nakashizuka T, Koike T. Photosynthetic water use efficiency in tree crowns of tropical emergent species in Sarawak, Malaysia. Photosynthetica 46:151-155.
Kitaoka S, Watanabe Y, Koike T. The effects of cleared larch canopy and nitrogen supply on gas exchange and leaf traits in deciduous broad-leaved tree seedlings. Tree Physiology 29:1503-1511.
Kitaoka S, Watanabe M, Watanabe Y, Kayama M, Nomura M, Sasa K. Growth of regenerated tree seedlings associated with microclimatic change in a mature larch plantation after harvesting. Landscape and Ecological Engineering 5:137-145.
Koike T. A trial of revegetation practices with larch species under changing environment. Landscape and Ecological Engineering 5:97-98.
Qu L, Kitaoka S, Makoto, K, Kuromaru M, Osaki M, Sasa K, Utsugi H, Koike T. Root-shoot communication of the seedlings of Japanese larch and a hybrid species grown in different soil temperature regimes. Landscape Ecological Engineering 5:115-123.
Ryu K, Watanabe M, Shibata H, Takagi K, Nomura M, Koike T. Ecophysiological responses of the larch species in northern Japan to environmental changes as a base for afforestation. Landscape and Ecological Engineering 5:99-106.
Takagi K, Fukuzawa K, Liang N, Kayama M, Nomura M, Hojyo H, Sugata S, Shibata H, Fukazawa T, Takahashi Y, Nakaji T, Oguma H, Mano M, Akibayashi Y, Murayama T, Koike T, Sasa K, Fujinuma Y. Change in the CO2 balance under a series of forestry activities in a cool-temperate mixed forest with dense undergrowth. Global Change Biology 15:1275-1288.

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2008 †

Choi DS, Jin HO, Chung DJ, Sasa K, Koike T. Growth and physiological activity in Larix kaempferi seedlings inoculated with ectomycorrhizae affected by soil acidification. Trees 22:729-735.
Eguchi N, Karatsu K, Ueda T, Funada R, Takagi K, Hiura T, Sasa K, Koike T. Photosynthetic responses of birch and alder saplings grown in a free air CO2 enrichment system in northern Japan. Trees 22:437-447.
Eguchi N, Morii N, Ueda T, Funada R, Takagi K, Hiura T, Sasa K, Koike T. Changes in petiole hydraulic structure and leaf water flow in birch and oak saplings in an enhanced CO2 environment. Tree Physiology 28:287-295.
Watanabe Y, Tobita H, Kitao M, Maruyama Y, Choi DS, Sasa K, Funada R, Koike T. Effects of elevated CO2 and nitrogen on wood structure related to water transport in seedlings of two deciduous broad-leaved tree species. Trees 22:403-411.

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Fiscal year of 2007 †

Kitaoka, S., Sakata, T., Koike, T., Tobita, H., Uemura, A., Kitao, M., Maruyama, Y., Sasa, K. and Utsugi, H. (2007) Methane emission from leaves of larch, birch and oak saplings grown under elevated CO2 in northern Japan　- A preliminary study-. J. Agr. Met. 62 (in press).
Kayama, M., Kitaoka, S., Choi, D.S. Wang, W. and Koike, T. (2007) Needle longevity and growth characteristics of eight spruce species planted in northern Japan. Tree Physiology (in press)
Ishii, H., Kitaoka, S., Fujisaki, T., Maruyama, Y. and Koike, T. (2007) Plasticity of shoot and needle morphology and photosynthesis of two Picea species with different site preferences in northern Japan. Tree Physiology 27, 1595–1605.
Stankova, T.V., and Shibuya, M. (2007) Stand density control diagrams for scots pine and Austrian black pine plantations in Bulgaria. New Forests.
Shin, C.S. and Shibuya, M. 2007. Spatial variation in tree seedling density after the site preparation for planting in a cleared coniferous plantation in Hokkaido, northern Japan. J. For. Res. 12: 57-62
Cho, H.K., Miyamoto, T., Takahashi, K., Hong, S.G., and Kim, J.J. 2007. Damage to Abies koreana seeds by soil-borne fungi on Mount Halla, Korea. Can. J. For. Res. 37: 371-382.
Shibuya, M., Yajima, T., Yoshida, M., and Sasaoka, E. (2007) Different biomass-allocation patterns among four tree species in heavily disturbed sites on a volcanic mountain in Hokkaido, northern Japan. Ecol. Res. 22: 177-182.
Iijima, H., Shibuya, M., and Saito, H. (2007) Effects of surface and light conditions of fallen logs on the emergence and survival of coniferous seedlings and saplings. J. For. Res. 12: 262-269
Koike, T., Kitaoka, S., Masyagina, O.V., Watanabe, Y., Ji, D.H., Maruyama, Y. and Sasa, K. (2007) Nitrogen dynamics in leaves of deciduous broad-leaved tree seedlings grown in a unmanaged larch plantation in northern Japan. Eurasian Journal of Forest Research 10: 115-119.
Kitao, M., Lei, T.T., Koike, T., Kayama, M., Tobita, H. and Maruyama, Y. (2007) Interaction of drought and elevated CO2 concentration on photosynthetic down-regulation and susceptibility to photoinhibition in Japanese white birch seedlings grown under limited N availability. Tree Physiology 27: 727-735.
Shinano, T., Yamamoto, T., Tawaraya, T., Tadokoro, M., Koike, T. and Osaki, M. (2007）Effects of enriched CO2 levels on the nutrient uptake characteristics of Larix Kaempferi. Tree Physiology, 27: 97-104.
Zyryanova, O.A., Yabarov, V.T., Tchikhacheva, T.L., Koike, T., Makoto, K., Matsuura, Y., Satoh, F., and Zyryanova, V. I. (2007) The structure and biodiversity after fire disturbance in Larix gmelinii (Rupr.) Rupr. forests, northeastern Asia. Eurasian Journal of Forest Research 10: 19-29.
Kayama, M., Choi, D.S., Nomura, M, Sasa, K., Satoh, F. and Koike, T. (2007) Reforestation trial with Sakhalin spruce after forest fires in northern Japan. Eurasian Journal of Forest Research 10: 31-39.
Makoto, K., Nemilostiv, Y.P., Zyryanova, O.A., Kajimoto, T., Matsuura, Y., Yoshida, T., Satoh, F., Sasa, K. and Koike, T. (2007) Regeneration after forest fires in mixed conifer broadleaved forests of the Amur region in Far Eastern Russia: the relationship between species specific traits against fire and recent fire regimes. Eurasian Journal of Forest Research 10: 51-58.
Makoto, K. and Koike, T. (2007) Effects of nitrogen supply on photosynthetic and anatomical changes in current-year needles of Pinus koraiensis seedlings grown under two irradiances. Photosynthetica 45:99-104
Fukuzawa, K., Shibata, H., Takagi, K., Satoh, F., Koike, T. and Sasa, K. (2007) Vertical distribution and seasonal pattern of fine-root dynamics in a cool-temperate forest in northern Japan: implication of the understory vegetation, Sasa dwarf bamboo. Ecological Research 22: 435-495,

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Fiscal year of 2006 †

Iijima, H., Shibuya, M., Saito, H. and Takahashi, K.( 2006) The water relations of Picea jezoensis seedlings on fallen logs. Canadian Journal of Forest Research 36: 664-670.
Yanagihara, Y., Shibata, H., Matsuura, Y. and Koike, T. (2006) Effects of soil and vegetation types on soil respiration rate in larch plantations and a mature deciduous broadleaved forest in northern Japan. Eurasian Journal of Forest Research 9:79-95.
Koike, T., Matsuki, S., Choi, D.S., Matsumoto, T. Watanabe, Y. and Maruyama, Y. (2006) Photosynthesis, leaf longevity and defense characteristics in trees of Betulaceae planted in Northern Japan. Eurasian Journal of Forest Research 9: 69-78.
Kajimoto, T., Matsuura, Y., Osawa, A., Abaimov, A.P., Zyryanova, O.A., Mori, S. and Koike, T. (2006) Size-mass allometry and biomass allocation of two larch species growing on the continuous permafrost region in Siberia. Forest Ecology and Management 222：314-325.
Choi, D.S., Kayama, M., Jin, H.O., Lee, C.H., Izuta, T. and Koike, T. (2006) Growth and photosynthetic responses of two pine species (Pinus koraiensis and Pinus rigida) in a polluted industrial region in Korea. Environmental Pollution 139:421-432
Wang, W., Y.G. Zu, X,Q. Zhang, X,Y. Li, T. Hirano and T. Koike (2006) Newly-formed photosynthates and the respiration rate of girdled stems of Korean pine (Pinus koraiensis Sieb. et Zucc.) . Photosynthetica 43: 147-150.
Kitao, M., Lei, T.T., Koike, T., Tobita, H. and Maruyama, Y. (2006) Tradeoff between shade adaptation and mitigation of photoinhibition in leaves of Querucus mongolica and Acer mono acclimated to deep shade. Tree Physiology 26: 441-448.
Koike, T., Tobita, H., Shibata, T., Mastuki, S., Konno, K., Kitao, M., Yamashita, N. and Maruyama, Y. (2006) Defense characteristics of seral deciduous broad-leaved tree seedlings grown under differing levels of CO2 and nitrogen. Population Ecology 48: 23-29.
Wang, W., Endo, I., Watanabe, Y., Ji, D.H. and Koike, T. (2006) Seasonal change in the photosynthetic capacity of cones at the canopy of Japanese larch trees. Photosynthetica 44:345-348
Masyagina O.V., Hirano T., Ji D.H., Choi D.S., Qu L., Fujinuma Y., Sasa K., Matsuura Y., Prokushkin S.G., and Koike T. (2006) Effect of spatial variation of soil respiration rates following disturbance by timber harvesting in a larch plantation in northern Japan. Forest Science and Technology 2: 80-91.
Kujansuu, J., Yasue, K., Koike, T., Abaimov, A.P., Kajimoto, T., Takeda, T., Tokumoto, M. and Matsuura, Y. (2006) Climatic responses of tree-ring widths of Larix gmelinii growing on the contrasting north-facing and south-facing slopes in central Siberia. Journal of Wood Science　DOI10.1007/s10086-006-0837-9.
Kujansuu, J., Yasue, K., Koike, T., Abaimov, A.P., Kajimoto, T., Takeda, T., Tokumoto, M. and Matsuura, Y. (2007) Responses of ring widths and maximum densities of Larix gmelinii to climate in contrasting north- and south-facing slopes in central Siberia. Ecological Research　DOI10.1007/s11284-006-0062-4
Matsuki, S. and Koike, T. (2006) Comparison of leaf lifespan, photosynthesis and defensive traits across seven species of deciduous broad-leaf tree seedlings. Annals of Botany 97: 813 - 817.
Wang, W., Zu, Y., Cui, S., Hirano, T., Takagi, K., Watanabe, Y. and Koike, T. (2006) Changes in CO2 exchange during the development of larch (Larix gmelinii (Rupr.) Rupr.) cones. Tree Physiology 26:1363–1368.
Kenzo, T., Ichie, T., Watanabe, Yoneda, R., Ninomiya I. and Koike, T. (2006) Changes in photosynthesis and leaf characteristics with tree height in five dipterocarp species in a tropical rain forest Tree Physiology 26: 865-873
Kayama, M., Choi, D.S., Tobita, H., Utsugi, H., Kitao, M., Maruyama, Y., Nomura, M. and Koike, T. (2006) Comparison of growth characteristics and tolerance to serpentine soil of three ectomycorrhizal spruce seedlings in northern Japan. Trees Structure and function 20: 430-440
Wang, W., Endo, I., Watanabe, Y., Ji, D.H. and Koike, T. (2006) Seasonal change in the photosynthetic capacity of cones at the canopy of Japanese larch trees. Photosynthetica 44: 344-348.
Kumagai, T., Ichie, T., Yoshimura, M., Yamashita, M., Kenzo, T., Saitoh, T. M., Ohashi, M., Suzuki, M., Koike, T. and Komatsu, H. (2006) Modeling CO2 exchange over a Bornean tropical rain forest using measured vertical and horizontal variations in leaf-level physiological parameters and leaf area densities. Journal of Geophysical Research -Atmospheres, 111: D10107, doi:10.1029/2005JD006676.
Koike, T., Tobita, H., Shibata, T., Mastuki, S., Konno, K., Kitao, M., Yamashita, N. and Maruyama, Y. (2006) Defense characteristics of seral deciduous broad-leaved tree seedlings grown under differing levels of CO2 and nitrogen. Population Ecology 48: 23-29
Wang, W., Y.G. Zu, X,Q. Zhang, X,Y. Li, T. Hirano and T. Koike (2006) Newly-formed photosynthates and the respiration rate of girdled stems of Korean pine (Pinus koraiensis) . Photosynthetica 43: 147-150.

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Fiscal year of 2005 †

Shibuya, M., Hasaba, H., Yajima, T., and Takahashi, K. (2005) Effect of thinning on allometry and needle-age distribution of trees in natural Abies stands of northern Japan. J. For. Res. 10: 15-20.
Eguchi, N, Ichie, T, Ji, D.H., Karatsu, K, and Koike, T. (2005) Accurate estimation of nitrogen concentration in deciduous tree leaves in a field study using a portable non-destructive nitrogen detector. Journal of Plant Physiology 163: 680-683.
Eguchi, N., Funada, R., Ueda, T., Takagi, K., Hiura, T. Sasa, K. and Koike, T. (2005) Soil moisture condition and growth of deciduous tree seedlings native to northern Japan raised under elevated CO2 with a FACE system . Phyton 45: 133-138.
Saito H., Shibuya M., Tuah SJ, Turjaman M., Takahashi K., Jamal Y., Segah H., Putir PE., and Limin SH. (2005) Initial screening of fast-growing tree species that can tolerate dry tropical peatlands in Central Kalimantan, Indonesia. J. Forestry Research 2, 107-115.
Koike, T. Shibata, T., Lei, T.T., Matsuki, S., Nomura, M., Tobita, H. Kitao, M. Quoreshi, A.M. and Maruyama, Y. (2005) Defense characteristics of mountain alder seedlings raised under elevated CO2 and nitrogen supply. Phyton 45: 163-168
Lei, T.T. and Koike, T. (2005) Effect of elevated CO2 on photosynthetic ability and wood density of birch, oak and maple seedlings. Phyton 45: 145-152
Choi, D.S., Kayama, M., Jin, H.O., Lee, C.H., Izuta, T. and Koike, T. (2005) Growth and photosynthetic responses of two pine species planted under a polluted industrial region in Korea. Environmental Pollution 139:421-432
Kim, H.H., Hirano, T., Koike, T. and Urano, S. (2005) Contribution of litter CO2 production to total soil respiration in two different deciduous forests. Phyton 45: (in press)
Tobita, H., Kitao, M., Koike, T. and Maruyama, Y. (2005) Effects of elevated CO2 and nitrogen availability on nodulation of Alnus hirsuta (Turcz.). Phyton 45: 125-131
Choi, D.S., Quoreshi A.M., Jin H.O, Maruyama Y. and Koike T. (2005) Mycorrhizal activities in Pinus densiflora, P. koraiensis and Larix kaempferi raised under high CO2 in relation to water use efficiency. Phyton 45: 139-144
Mogami, J., Hirano, T. Hirata, R., Koike, T. and Fujinuma, Y. (2005) Temporal variation in photosynthetic photon flux density on a larch forest floor. J. Agr. Meteor., 60: 1161-1164
Kayama, M., Quoreshi, A.M., Uemura, S. and Koike, T. (2005) Differences in growth characteristics and dynamics of elements absorbed in seedlings of three spruce species raised on serpentine soil in northern Japan. Annals of Botany 95: 661-672.
Shibata, H., Hiura, T., Tanaka, Y., Takagi, K. and Koike, T. (2005) Carbon cycling and budget in a forested basin of southwestern Hokkaido, northern Japan. Ecological Research 20: 325-331.
Choi, D.S., Quoreshi, A.M., Maruyama, Y., Jin, H.O. and Koike, T. (2005) Effect of ectomycorrhizal infection on growth and photosynthetic characteristics of Pinus densiflora seedlings grown under elevated CO2 concentrations. Photosynthetica 43: 223-229.
Takagi, K., Nomura, M., Fukuzawa, K., Kayama, M., Shibata, H., Sasa, K., Koike, T., Akibayashi, Y., Inukai, K and Maebayashi, M. (2005) Deforestation effects on the micrometeorology in a cool-temperate forest in northernmost Japan. Journal of Agricultural Meteorology 60: 1025-1028.
Takagi, K., Nomura, M., Ashiya, D., Takahashi, H., Sasa, K., Fujinuma, Y., Shibata, H., Akibayashi, Y. and Koike, T. (2005) Dynamic carbon dioxide exchange through snowpack by wind-driven mass transfer in a conifer-broadleaf mixed forest in northernmost Japan. Global Biogeochemical Cycles 19:BG2012:1-10
Kitao, M., T. Koike, H. Tobita, and Y. Maruyama (2005) Susceptibility to photoinhibition in leaves of Japanese white birch (Betula platyphylla var. japonica) grown under elevated CO2 and limited nitrogen nutrition. Physiologia Plantarum 125: 64-73.
Ichie, T. Kenzo, T., Kitahashi, Y. Koike, T. and Nakashizuka, T. (2005) How does Dryobalanops aromatica supply carbohydrate resources for reproduction in a masting year? Trees; Structure and Function 19: 703-710
Wang W.J., Zu Y.G., Wang H.M., Matsuura, Y., Sasa, K. and Koike, T. (2005) Plant Biomass and productivity of Larix gmelinii forest ecosystems in Northeast China: intra- and inter- species comparison. Eurasian Journal of Forest Research 8: 21-41
Qu Laiye, JI Donghun, Shi Fuchen, Sasa K. and Koike T. (2005) Growth and photosynthetic performance of two larch seedlings grown in shade conditions. Eurasian Journal of Forest Research 8: 43-51.
Kitaoka, S. and Koike, T. (2005) Seasonal and year-to-year variation in light use and nitrogen use of four deciduous broad-leaved tree seedling species invading larch plantations. Tree Physiol. 25: 25: 467-475
Wang, W.J., Zu, Y.G., Wang, H., Hirano, T., Sasa, K. and Koike, T. (2005) Effects of collar inserting and parameters selection on the soil respiration measurement by LI-6400 in a larch forest. J. For. Res., 10: 57 - 60
Zyryanova O.A., Yaborov V.T., Abaimov A.P., Koike T., Sasa K. and Terazawa M. (2005) Problems in the maintenance and sustainable use of forest resources in Priamurye in the Russian Far East. Eurasian J. For. Res. 8: 53-64.
Kayama, M., Quoreshi, A.M., Uemura, S. and Koike, T. (2005) Differences in growth characteristics and dynamics of elements absorbed in seedlings of three spruce species raised on serpentine soil in northern Japan. Ann. Bot., 94: 661-672.
Takagi, K., Nomura, M., Fukuzawa, k., Kayama, M., Shibata, H., Sasa, K., Koike, T., Akibayashi, Y., Inukai,K and Maebayashi, M. (2005) Deforestation effects on the micrometeorology in a cool-temperate forest in northernmost Japan. J. Agri. Meteol. 60: 1025-1028.

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Fiscal year of 2004 †

Shibuya, M., Saito, H., Sawamoto, T., Hatano, R., Yajima, T., Takahashi, K., Cha, J.Y., Isaev, A.P., and Maximov, T.C. (2004) Time trend in aboveground biomass, net primary production, and carbon storage of natural Larix gmelinii stands in Eastern Siberia. Eurasian J. For. Res. 7: 67-74.
Shibuya, M., Haga, N., Sasaki, T., Kikuchi, S., Haruki, M., Noda, M., Takahashi, K., and Matsuda, K. (2004) Stand and self-thinning dynamics in natural Abies stands in northern Hokkaido, Japan. Ecol. Res. 19: 301-310.
Ozaki K., Saito H., Yamamuro K. (2004) Compensatory photosynthesis as a response to partial debudding in ezo spruce, Picea jezoensis seedlings. Ecological Research 19: 225-231.
Matsuki, S., Sano, Y. and Koike, T. (2004) Chemical and physical defense in the early and late leaves in three heterophyllous birch species native to northern Japan. Ann Bot., 93: 141-147.
Liang, N., Nakadai T., Hirano T., Qu L., Koike T., Fujinuma Y. and Inoue G. (2004) In-situ comparison of four approaches to estimating soil CO2 efflux in a northern larch (Larix kaempferi Sarg.) forest. Agr. For. Meteorol., 123：97-117.
Kurokawa, H., Kitahashi, Y., Koike, T., Lai, J., and Nakashizuka, T. (2004) Allocation of net production to growth or defense? Defensive allocation at seedling stages in Borneo ironwood and two dipterocarp species. Oecologia 140:261-270.
Yazaki, K., S. Ishida, T., Kawagishi, E. Fukatsu, Y. Maruyama, M. Kitao, H. Tobita, T. Koike and R. Funada (2004) Effects of elevated CO2 on growth, annual ring structure and photosynthesis in Larix kaempferi seedlings Tree Physiol., 24: 941–949
Kitaoka, S. and Koike, T. (2004) Invasion of broadleaf tree species into a larch plantation: Seasonal light environment, photosynthesis, and nitrogen allocation．Physiol. Plant., 121: 604-611.
Eguchi, N. Fukatsu, E., Funada, R., Tobita, H., Kitao, M., Maruyama, Y., and Koike, T. (2004) Changes in morphology, anatomy and photosynthetic capacity of needles of Japanese larch (Larix kaempferi) seedlings grown in high CO2 concentrations. Photosynthetica 24: 173-178
Kenzo, T., Ichie, T., Yoneda, R., Watanabe, Y., Ninomiya, I. and Koike, T. (2004) Interspecific variation of photosynthesis and leaf characteristics in some canopy trees of Dipterocarpaceae in tropical rain forest. Tree Physiol., 24: 1187-1192
Izuta, T., Yamaoka, T., Nakaji, T., Yonekura, T., Yokoyama, M., Funada, R., Koike, T. and Totsuka, T. (2004). Growth, net photosynthesis and leaf nutrient status of Fagus crenata seedlings grown in brown forest soil acidified with H2SO4 or HNO3 solution. Trees 18: 677-685.
Qu Laiye, Kayama, M., Kitaoka, S., Akasaka, M. Sasa, K. and Koike, T. (2004) Micro-environmental analysis of natural regeneration of larch in northern Japan. Eurasian J. For. Res., 7: 43-51.
Jiang, L.F., Shi, F.C., Wang, H.T., Zu, Y.G., and Koike, T. (2004) Root respiration in Larix gmelinii plantations in northeast China. Plant Physiol. Comm. 40: 27-30．
Kitao, M., Koike, T., Qu Laiye, Tobita, H. and Maruyama, Y. (2004) Increased susceptibility to photoinhibition in pre-existing needles experiencing low temperature at spring budbreak in Sakhalin spruce (Picea glehnii Masters) seedlings. Physiol. Plant.122:226-232
Qu Laiye. Shinano, T., Quoreshi, A.M., Tamai, Y., Osaki, M. and Koike, T. (2004) Allocation of 14C-Carbon in infected with ectomycorrhizae of two species of larch seedlings. Tree Physiol. 24: 1369–1376

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Fiscal year of 2003 †

Kayama, M, Quoreshi, A.M., Kitaoka, S., Kitahashi, Y., Sakamoto, Y., Maruyama, Y., Kitao, M., and Koike, T. (2003) Effects of deicing salt on the vitality and health of two spruce species, Picea abies Karst. and P. glehnii Masters planted along roadsides in northern Japan. Environ. Pollut., 124: 127-137.
Ishii, H., Ooishi, M., Maruyama, Y. and Koike, T. (2003) Acclimation of shoot and needle morphology and photosynthesis of two Picea species to different soil nutrient availability. Tree Physiol., 23: 453-462.
Kitao, M., Lei, T.T., Koike, T., Tobita, H. and Maruyama, Y. (2003) Higher electron transport rate observed at low intercellular CO2 concentration in long-term drought-acclimated leaves of Japanese mountain birch (Betula ermanii). Physiol. Plant., 118: 406-413.
Wang, W., Osaki, M., Hirano, T., Hiura, T. and Koike, T. (2003) Stomatal and non-stomatal limitation of Sasa senanensis raised in balanced nutrition regimes. Bamboo J., 20: 19-32.
Qu Laiye, Quoreshi, A.M., Koike, T. (2003) Root growth characteristics, biomass and nutrient dynamics of seedlings of two larch species raised under different fertilization regimes. Plant Soil 255: 293-302
Fen, J.L., Shi F.C., Zu, Y.G., Wang, W. and Koike, T. (2003) Study on stem respiration of Larix gmelinii of different ages and its relationship to environmental factors. Bull. Bot. Res., 23: 296-301.
Koike, T., Kitao, M., Quoreshi, A.M. and Matsuura, Y. (2003) Growth characteristics of root-shoot relations of three birch seedlings raised under different water regimes. Plant Soil 255: 303-310.
Wang, W., Yang, F.J., Zu, Y., Wang H.M., Takagi K., Sasa, K. and Koike T. (2003) Stem respiration of a larch (Larix gmelinii) plantation in Northeast China. Acta Botanica Sinica 45: 1387-1397.
Kenzo, T., Ichie, T., Ninomiya, I. and Koike, T. (2003) Photosynthetic activity in seed wings of Dipterocarpaceae in a masting year: Does wing photosynthesis contribute to reproduction? Photosynthetica. 41: 551-557.
Qu Laiye, Quoreshi, A. M., Iwase, K., Tamai, Y., Funada, R. and Koike, T. (2003) In vitro ectomycorrhiza formation on larch seedlings with six different fungal species. Eurasian J. For. Res., 6:65-73
Koike, T., Matsuki, S., Matsumoto, T., Yamaji, K., Tobita, H., Kitao, M. and Maruyama, Y. (2003) Bottom-up regulation for protection and conservation of forest ecosystems in northern Japan under changing environment. Eurasian J. For. Res., 6: 177-189
Quoreshi, A.M., Maruyama, Y., Koike, T. (2003) The role of mycorrhiza in forest ecosystems under CO2-enriched atmosphere. Eurasian J. For. Res., 6: 171-176.