[P2-168A] Time-lag between landscape change and biodiversity loss: an evidence of extinction debt　Soga, M. and Koike, S. (Tokyo Univ. Agri. Tech.)

[P2-169A] Relationship between the dragonfly communities and the environmental conditions in and around Nannophya pygmaea habitats in Kami-ina District, Nagano Prefecture　*Arakawa, M.（Grad. Sch. Agric., Shinshu Univ.）, Okubo, K., Oishi, Y. (Shinshu Univ.)

[P2-170A] The impact of bamboo thinning on ground beetle assemblage (Coleoptera: Carabidae)　*Kago, H. (Univ. Shiga Pref.), Yokogawa, M. (Kyoto Univ.), Fujisawa, T. (Osaka Pref. Univ.), Noma, N. (Univ. Shiga Pref.)

[P2-171A] Relationship between the structure of Orthoptera communities and the environmental conditions at paddy areas in the Kamiina district, Nagano Prefecture, Japan Ⅱ　*Sumigawa, M.（Grad. Sch. Agric., Shinshu Univ.）, Okubo, K., Oishi, Y. (Shinshu Univ.)

[P2-172A] Breeding avifauna influenced by insect abundance and lava substrate in Aokigahara primeval forest on Mt. Fuji.　Okahisa, Y.(Rikkyo Univ.) et al.

[P2-173A] Food web analyses using C and N stable isotopes: spiders shift their prey from aboveground to belowground origin through secondary succession　*Haraguchi, T.F., Tayasu, I. (Center for Ecol. Res., Kyoto Univ.)

[P2-174A] Feeding behaviors and food availability in soil determine community composition of oribatid mites in northern forests of Japan　*Ota T. A., Mori S. A., (Yokohama National Univ.), Osono T., (CER, Kyoto Univ.), Hobara S., (Rakuno Gakuen Univ.), Mizumachi, E., Hagiwara Y. (Kyoto Univ.)

[P2-175A] Does prey density affect strengths of top-down indirect effects of predators on algal community?　*Yoko Wada (Nara Women’s University), Keiji Iwasaki (Nara University), Yoichi Yusa (Nara Women’s University)

[P2-176A] Differences in fish assemblage structures between perennial and annual eelgrass (Zostera marina) beds in Lake Hamana, central Japan　Sato, M. (Univ. Tokyo), Horinouchi, M. (Shimane Univ.), Fujita, M. (Univ. Tokyo), Sano, M. (Univ. Tokyo)

[P2-177A] Succession of collembolan community during the decomposition of root and leaf litter: effects of litter type and litter position　*Fujii, S. (Kyoto Univ.), Takeda, H. (Doshisha Univ.)

[P2-178A] Distribution of Collembola and its determinants in the arboreal environment　Masashi,O.(Ryukoku Univ.)

[P2-179A] Spatial-temporal changes of butterfly assemblage in Afrotropical forest　Kimura, C. (Kanazawa Univ.)

[P2-180A] Seasonal changes in ladybird beetle communities along an urban-rural gradient　*Akiyama, H., Yoshida, T. (Tokyo Univ. Agri. Tech.)

[P2-181A] foraging behavior of yellow bittern and seasonal and diel changes environment in the irrigation pond　*Kanazawa, Y. (Hirosaki Univ.) et al.

[P2-182A] Life history traits and fishery impact on fishes’ variance-mean relationship 　KUO, T.C.*, Hsieh, C.H.

[P2-183J] Artificial lights in fishing port affect prey density and nocturnal foraging behavior of gulls　*Hirata, K., Watanuki, Y. (Hokkaido Univ.)

[P2-184J] Cantharidin world: a peculiar arthropod community with chemical networks of the monoterpene, cantharidin　Hashimoto, K., Hayashi, F. (Tokyo Metropolitan Univ.)

[P2-185J] Differences in the indirect effects of denudation by excessive deer browsing on macroinvertebrate communities between the first- and second-order streams　*Sakai, M. (Kyoto Univ.), Natuhara, Y (Nagoya Univ.), Fukushima, K (Kyoto Univ.), Miyashita, H (Kyoto Univ.), Kato, M (Kyoto Univ.)

[P2-186J] Determination of the attractive factors of Red-rumped Swallow during breeding in Hiroshima University by using their nests and droppings　*Taishin Kameoka, Nobukazu Nakagoshi, Kensuke Kawamura

[P2-187J] An analysis of the relationship between Song and body size of Graptpsaltria nigrofuscata among cicada communities　*Endo, N., Osawa, N. (Kyoto Univ.)

[P2-188J] The effects of environmental factors on foraging efficiency of the Japanese crested ibis.　*D. Terashima, C. Endo, T. Hayakawa, T. Sekijima(Niigata Univ.)

[P2-189J] Long-term impacts of volcanic activity on distribution and abundance of soil macro-fauna,an example of volcanic eruption on Miyake-jima,in 2000　*Hiragi,M.(Toho Univ.),Hiraiwa,M.(Toho Univ.),Nakajo,R.(ASIA AIR SUVEY CO.,LTD.),Hasegawa,M.(Toho Univ.)

[P2-190J] Comparisons of lifecycle and foraging pattern of bumblebee communities between urban and montane forests 　*Nakamura, S. (Hokkaido Univ.), Kudo, G.(Hokkaido Univ.)

[P2-191J] Macroinvertebrate communities in phytotelmata in vertical stratification of a deciduous forest　*Ban, Y., Yoshida, T. (Tokyo Univ. Agri. Tech.)

[P2-192J] Effects of selective logging on the species composition and ecological functions of dung beetle community in lower mountain rain forest, Peninsular Malaysia -Big difference near the forest edge-　*Niino, M.(Hiroshima Univ.), Okuda, T., Yamada, T., Hosaka, T., Erizabeth, B.(FRIM)

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