• Masaki, T., M. Mori, T. Kajimoto, G. Hitsuma, S. Sawata, M. Mori, K. Osumi, S. Sakurai and T. Seki. 2005. Long-term growth analyses of Japanese cedar trees in a plantation: Neighborhood competition and persistence of initial growth deviations. Journal of Forest Research, in press.

  • Masaki, T., K. Osumi, K. Takahashi, and K. Hoshizaki. 2005. Seedling dynamics of Acer mono and Fagus crenata : an environmental filter limiting their adult distributions. Plant Ecology 177: 189-199.

  • Suzuki, W., K. Osumi, and T. Masaki. 2005. Mast seeding and its spatial scale in Fagus crenata in northern Japan. Forest Ecology and Management 205:105-116.

  • Oka, T., S. Miura, T. Masaki, W. Suzuki, K. Osumi, and S. Saitoh. 2004. Relationship between changes in beechnut production and Asiatic black bears in northern Japan. Journal of Wildlife Management 68(4): 979-986.

  • Masaki, T., T. Ohta, H. Sugita, H. Oohara, T. Otani, T. Nagaike and S. Nakamura. 2004. Structure and dynamics of tree populations within unsuccessful conifer plantations near the Shirakami Mountains, a snowy region of Japan. Forest Ecology and Management 194:389-401.

  • Masaki, T. 2004. Effect of the shape of forest fragments on tree population dynamics. Plant Ecology 172: 275-286.

  • Nakashizuka, T., M. Saito, K. Matsui, A. Makita, T. Kanbayashi, T. Maski, T. Nagaike, H. Sugita, T. Kanazashi, T. Seki, T. Ohta, G. Hitsuma, T. Yagi, T. Hashimoto, A. Sakai, D. Kabeya, K. Takada, K. Hoshizaki, A. Ushimaru, M. Abe, S. Ohba, T. Hukuda, N. Arai, M. Kamisako, T. Kenta, T. Ichie, M. Suzuki, Y. Inui, M. Nakagawa, H. Kurokawa, N. Fujimori, H. Samejima, A. Hatada, M. Hori and Shinichi Sawada. 2003. Monitoring dynamics of beech forests with different structure in Shirakami Mountains. Tohoku Journal of Forest Science. 8: 67-74 (in Japanese with English summary).

        Primary beech forests in Shirakami Maountains

  • Masaki, T., S. Nakamura, T, Ota, T. Otani, H. Oohara, H. Sugita, M. Saitoh, T. Kanbayashi and T. Nagaike. 2003. Structure and 5-years change of tree communities of planted conifers and colonizing native trees in northern Japan. Tohoku Journal of Forestry Science 8: 75-83 (in Japanese with English summary).

        Plantation of Cryptomeria japonica bounded by stripes of remnant old-growth forests

  • Masaki, T., H. Sugita, T. Kanazashi, T. Nagaike, T. Ota, G. Hitsuma, A. Sakai, N. Arai, T. Ichie, M. Kamisako, T. Kambayashi, A. Hatada, K. Matsui, S. Sawada & T. Nakashizuka. 2003. Results of different managements for natural regeneration of two beech forests in Tohoku district and their ecological process. Journal of the Japanese Forestry Society 85: 259-264 (in Japanese with English summary).

        Remnant mature beech trees after shelter cutting

  • Masaki,T. & T Nakashizuka. 2002. Seedling demography of Swida controversa: effect of light and distance to conspecifics. Ecology 83: 3497-3507

        The Script for the simulation of seed and seedling dynamics used in this study (written in Perl).

  • Shibata,M., H.Tanaka, S.Iida, S.Abe, T.Masaki, K.Niiyama, & T.Nakashizuka. 2002. Synchronized annual seed production by 16 principal tree species in a temperate deceduous forest, Japan. Ecology 83: 1727-1742.


  • Abe,M., J.Izaki, H.Miguchi, T.Masaki, A.Makita, & T.Nakashizuka. 2002. The effects of Sasa and canopy gap formation on tree regeneration in an old beech forest. Journal of Vegetation Science 13: 565-574.


  • Suzuki,W., K.Osumi, T.Masaki, K.Takahashi, H.Daimaru, & K.Hoshizaki. 2002. Disturbance regimes and community structures of a riparian and an adjacent terrace stand in the Kanumazawa Riparian Research Forest, northern Japan. Forest Ecology and Management 157: 285-301.


  • Masaki,T. 2002. Structure and dynamics. In: Nakashizuka,T. & Matsumoto,Y. (eds.). Diversity and Interaction in a Temperate Forest Community, Ogawa Forest Reserve of Japan. pp. 53-65. Springer, Tokyo.


  • Masaki,T., Y.Matsuura, & M.Takahashi. 2002. Effect of soil conditions on the distribution and growth of trees. In: Nakashizuka, T. & Matsumoto, Y. (eds.). Diversity and Interaction in a Temperate Forest Community, Ogawa Forest Reserve of Japan. pp. 81-91. Springer, Tokyo.


  • Iida,S. & T.Masaki. 2002. Seed dynamics. In: Nakashizuka,T. & Matsumoto,Y. (eds.). Diversity and Interaction in a Temperate Forest Community, Ogawa Forest Reserve of Japan. pp. 127141-65. Springer, Tokyo.


  • Masaki,T., H.Tanaka, H.Tanouchi, T.Sakai, & T.Nakashizuka. 1999. Structure, dynamics and disturbance regime of temperate broad-leaved forests in Japan. Joournal of Vegetation Science 10: 805-814

        Species area curves of five temperate forests in Japan.

  • Masaki,T., H.Tanaka, M.Shibata, & T.Nakashizuka. 1998. Seed bank dynamics of Cornus controversa and their role in regeneration. Seed Science Research 8: 53-63

        Seed bank dynamics

        Field method used in this study.

  • Abe,S., T.Masaki, & T.Nakashizuka. 1995. Factors influencing sapling composition in canopy gaps of a temperate deciduous forest Vegetatio 120: 21-32


  • Nakashizuka,T., T.Masaki, M.Shibata, & H.Tanaka. 1995. Evaluating increased fitness through dispersal: A comparative study on tree populations in a temperate forest, Japan. Ecoscience 2: 245-251


  • Masaki,T., Y.Kominami, & T.Nakashizuka. 1994. Spatial and seasonal patterns of seed dissemination of Cornus controversa in a temperate forest. Ecology 75: 1903-1910

        Distribution maps of disseminated seeds

  • Nakashizuka,T., S.Iida, H.Tanaka, M.Shibata, S.Abe, T.Masaki, & K.Niiyama. 1992. Community dynamics of Ogawa Forest Reserve, a species rich deciduous forest, central Japan. Vegetatio 103: 105-112


  • Masaki,T., W.Suzuki, K.Niiyama, S.Iida, H.Tanaka, & T.Nakashizuka. 1992. Community structure of a species-rich temperate forest, Ogawa Forest Reserve, central Japan. Vegetatio 98: 97-111

        Distribution maps of representative species