P-01

Noboru Okuda*, Takefumi Komiya, Yoshikazu Kato, Yutaka Okuzaki, Michio Hori, Ichiro Tayasu and Toshi Nagata

“Biological specimens tell us a centurial history of food web alterations in the ancient lake”

P-02

Takefumi Nakazawa*, Yoichiro Sakai, Chih-hao Hsieh, Tadatoshi Koitabashi, Ichiro Tayasu, Norio Yamamura and Noboru Okuda

“Is the relationship between body size and trophic niche position time-invariant in a predatory fish? First stable isotope evidence”

P-03

Ryo Sugimoto*, Takahisa Sato, Takehito Yoshida, Tomoyuki Kokita, Osamu Tominaga and Tadahisa Seikai

“Factors controlling seasonal variations inδ13C and δ15N of phytoplankton in Lake Mikata”

P-04

Mitsuo Toda*, Kazuya Uehara and Shinya Akita

“Food web of lake Sanaru : A small eutrophic brackish water lake located in high population density area of Japan”

P-05

Takahisa Sato*, Yoshihiro Yokoyama and Osamu Tominaga

“Decomposition and assimilation of terrestrial plants by marine benthic polychaetes”

P-06

Koetsu Kon*, Hisashi Kurokura and Prasert Tongnunui

“Food web structure of benthic faunal community in mangrove estuaries”

P-07

Hiroshi Morioka*, Akihide Kasai and Shingo Kimura

“Spatial variability of food environment for bivalves in a narrow strait using stable isotope analysis”

P-08

Kengo Kurata*, Masahiro Horinouchi and David L. Dettman

“Stable isotope ratios of molluscs in Lakes Shinji and Nakaumi”

P-09

Yeon-Jee Suh and Kyun-Hoon Shin*

“Identification of food sources in manila clam (Ruditapes philippinarum) with various shell lengths”

P-10

Bo hyung Choi, Yeon jung Lee, Min sub Kim, Jae-sung Lee and Kyung hoon Shin*

“Seasonal chang of food source for long line hanging cultured oyster (Crassostrea gigas)”

P-11

Nam-Il Won*, Tomohiko Kawamura, Tsukasa Waki, Jun Hayakawa, Toshihiro Miyajima and Yoshiro Watanabe

“Trophic structures of micromolluscan communities in subtidal rocky-shore benthic habitats”

P-12

Taiki Fuji*, Akihide Kasai, Keita W. Suzuki, Masahiro Ueno and Yoh Yamashita

“Migration and growth pattern of the temperate seabass Lateorabrax japonicus in the Yura River estuary revealed by δ13C”

P-13

Osamu Tominaga*, Yuichiro Hisada and Yohsuke Mizuno

“Annual change in food utilization by two sympatric mysid species on shallow sandy beach in Wakasa Bay, studied by combined stable isotope analyses and laboratory experiments”

P-14

Hsin-Ming Yeh*, Yi-Hui Chen, Don-Chung Liu, Long-Jing Wu and Wei-Chen Su

“Food web analysis of Sergia lucens (Hansen, 1922) fishing ground in the coastal water of southwestern Taiwan”

P-15

Toshiro Saruwatari

“Are males vampires??  A unique reproductive system in the deep sea”

P-16

Tetsuya Nanko*, Jun-ya Shibata, Hideki Hamaoka and Koji Omori

“The relationship between individual feeding habit and growth rate in Japanese jack mackerel, Trachurus japonicus: approach of a stable isotope analysis”

P-17

Yuta Yanagi*, Kazato Oishi, Masayuki Kitagawa, Hiroyuki Hirooka and Hajime Kumagai

“Turnover of stable carbon and nitrogen isotope in cattle tail hair”

P-18

Akinori Takeuchi*, Seiki Igarashi, Shin Fujie, Tatsuya Fukazawa, Hiroshi Kobayashi, Hirotsugu Minami, Hiromi Hamada and Atsushi Tanaka

“Stable isotope food web analysis and Hg biomagnification of an extreme oligotrophic lake (Lake Mashu) in the northeastern Japan”

P-19

Tomohiro Takeyama*, Mami Oh-ishi and Tsuneo Sekijima

“Seasonal food-web dynamics of aquatic community in paddy fields”

P-20

Yoichiro Sakai*, Kayoko Fukumori, Kiyono Nishimatsu, Ichiro Tayasu and Noboru Okuda

“Predator feeding functional diversity alters plankton trophic structure”

P-21

Hiromi Uno*, Yasuhiro Takemon, Kanehiro Kitayama and Noboru Okuda

“Heterogeneous resource use by benthic assemblages in a tropical mountain stream

~approach from habitat scale SI data~”

P-22

Giyoung Ock* and Yasuhiro Takemon

“Tracing three source contribution to particulate organic matter along downstream reaches of dam reservoirs”

P-23

Junya Naito*, Tetsuya Sumi and Yasuhiro Takemon

“Change of organic matter sources in reservoir ecosystem according to progress of reservoir sedimentation”

P-24

Kentaro Nakai*, Yasuhiro Takemon and Tetsuya Sumi

“Dam effects of POM dynamics on the diet of invertebrates”

P-25

Miyuki Nakajima*, Masao Minagawa, Kazutaka Shimoda, Hiroshi Kawamura and Tomoya Aoyama

“C-N stable isotope values of freshwater fishes in Hokkaido, Japan for the information on the isotope ecology”

P-26

Shiroh Yonezaki*, Hiroshi Minami and Masashi Kiyota

“Long-term changes in stable isotope ratios of northern fur seals in the northwestern Pacific”

P-27

Todd W. Miller*, Koji Omori, Hideki Hamaoka, Carl van der Lingen and Richard Brodeur

“Factors Related to Food Web Structure of Marine Ecosystems - A Stable Isotope Global Comparative Study”

P-28

Hideki Hamaoka*, Noboru Okuda, Toru Fukumoto, Hitoshi Miyasaka and Koji Omori

“Seasonal dynamics of a coastal food web: Stable isotope analysis of a higher consumer”

P-29

Jun-ya Shibata*, Hideki Hamaoka, Kazumasa Matsumoto, Tetsuya Nanko, Tadao Kunihiro, Todd W. Miller, Hidejiro Onishi and Koji Omori

“Regional characteristics of ecosystem structure in the Seto Inland Sea”

P-30

Eriko Ishimaru*, Ichiro Tayasu and Takakazu Yumoto

“Where was the fish of Heian-kyo site carried from?”

P-31

Maki Noguchi Aita*, Reiichiro Ishii, Nanako O. Ogawa and Eitaro Wada

“Trophic fractionation of carbon and nitrogen isotope ratios in the marine environment”

P-32

Yoshito Chikaraishi*, Nanako O. Ogawa, Yoshinori Takano and Naohiko Ohkouchi

“Estimation of trophic level based on nitrogen isotopic composition of amino acids”

P-33

Nanako O. Ogawa*, Yoshito Chikaraishi, Eitaro Wada and Naohiko Ohkouchi

“Ecosystem in Lake Baikal: Results from nitrogen isotopic analyses of amino acids”

P-34

Masamichi Machida*, Jun Nishikawa, Toshihiro Miyajima, Fatimah Md. Yusoff, Perumal Kuppan, Siti Balqis Bt Abd. Razak and Shuhei Nishida

“Qualification of trophic position of jellyfish using compound-specific isotope analysis”

P-35

Takanori Fujii* and Toshihiro Miyajima, Hiroshi Ogawa, Yasuaki Tanaka, Atsushi Watanabe and Kazuo Nadaoka

“Determination of nitrogen sources for scleratinian corals by compound-specific isotope ratios of amino acids”

P-36

Miki Kawase*, Yuko T. Hanba and Maki Katsuhara

“The role of ice plant aquaporin on the photosynthetic functions in tobacco”

P-37

Keisuke Nishida* and Yuko T. Hanba

“Leaf gas exchange and carbon isotope discrimination in some fern species subjected to drought”

P-38

Ko Noguchi*, Chun-Sim Go, Ichiro Terashima, Shingo Ueda and Tadashi Yoshinari

“In vivo activity of the cyanide-resistant respiratory pathway with 18O technique”

P-39

Ryo Banjo*, Naoko Matsuo, Ken Yoshikawa, Atushi Nakashima and Tomohiro Teraminami

“The effect of shoot length on carbon and oxygen isotope compositions of leaf organic matter in grey mangrove (Avicennia Marina) grown on the coast of Egyptian Red Sea”

P-40

Kenji Oki*, Tatsuya Ohashi and Naoko Matsuo

“Seasonal variation in the oxygen isotope composition of leaf cellulose in temperate broad-leaved trees”

P-41

Tatsuya Ohashi* and Naoko Matsuo

“Effect of nocturnal dew on oxygen isotope enrichment of leaf water in Sabina vulgaris grown in semi-arid land”

P-42

Shinta Ohashi*, Naoki Okada, Tadashi Nobuchi, Somkid Siripatanadilok and Teera Veenin

“Isotopic and wood anatomical approaches to detect annual rings of tropical trees”

P-43

Kenta Sato*, Yusuke Nakatani and Shuzo Nishida

“Influence of the Kuroshio meander on the water quality in the eastern part of the Seto Inland Sea”

P-44

Masahiro Niinomi*, Takashi Suzuki and Mitsuo Toda

“Hydrology of lake Sanaru : A small eutrophic brackish water lake located in high population density area of Japan”

P-45

Yu Tabayashi* and Ayumi Oda

“Tree-ring δ15N of softwood in mountainous area in the Kanto region, Japan”

P-46

Muneoki Yoh*, Hitoshi Kurata, Akihiko Naemura, Yoko Kitazawa, Susumu Miyamoto, Akiko Sakai, Rumiko Nakashita and Keisuke Koba

“Loading of atmospheric 15N-depleted nitrogen in remote sites: An unrecognized possible factor affecting nitrogen isotopic signatures in some ecosystems”

P-47

Xueyan Liu*, Keisuke Koba, Yu Takebayashi, Yunting Fang and Muneoki Yoh

“Nitrate concentration and stable isotopes in natural mosses and vascular plants”

P-48

Makita Tomoko*, Keisuke Koba, Chisato Kashiwabara, Yuji Sasaki, Masamichi Yamamoto, Karen Casciotti, Matthew McIlvin, Sakae Toyoda, Naohiro Yoshida and Muneoki Yoh

“Denitrification in Lake Kizaki as determined by analyzing stable isotopes of nitrite and nitrate”

P-49

Yu Takebayashi*, Keisuke Koba, Azusa Hokari, Asami Nakanishi, Yoshiyuki Inagaki and Muneoki Yoh

“Preferences for different nitrogen forms by plant species elucidated by 15N natural abundance”

P-50

Yunting Fang*, Keisuke Koba, Kayo Matsushita, Yu Takebayashi and Muneoki Yoh

“Nitrogen isotope composition of stream nitrate from the forested catchments along a nitrate gradient in western Tokyo, Japan”

P-51

Masayuki Itoh*, Yasuhiro Takemon, Akiko Makabe, Chikage Yoshimizu, Ayato Kohzu, Nobuhito Ohte, Dashzeveg Tumurskh, Ichiro Tayasu, Naohiro Yoshida and Toshi Nagata

“Evaluation of wastewater nitrogen transformation in a natural wetland (Ulaanbaatar, Mongolia) using dual-isotope analysis of nitrate”

P-52

Akiko Makabe*, Keisuke Koba, Chikage Yoshimizu, Ichiro Tayasu, Nanako O. Ogawa, Naohiko Ohkouchi, Sakae Toyoda, Toshi Nagata and Naohiro Yoshida

“Oxygen isotopic composition of nitrous oxide produced in Lake Biwa”

P-53

Jun Koarashi*, Mariko Atarashi-Andoh, Shigehiro Ishizuka, Atsunobu Kadono, Koichi Moriya and Takahiro Nakanishi

“How long do Japanese forest soils store carbon in their surface horizons?”

P-54

Hirotsugu Arai*and Naoko Tokuchi

“Factors contributing to greater soil organic carbon accumulation after afforestation in a Japanese coniferous plantation as determined by stable and radioactive isotopes”

P-55

Mariko Atarashi-Andoh*, Jun Koarashi, Koichi Moriya, Takahiro Nakanishi, Shigehiro Ishizuka and Keizo Hirai

“Seasonal and spatial variations in carbon isotopic ratios in CO2 respired from a beech forest floor”

P-56

Koichi Moriya*, Jun Koarashi,  Mariko Atarashi-Andoh, Jun Moriizumi, Hiromi Yamazawa and Keizo Hirai

“Identifying sizes and turnover times of rapidly-cycling soil organic carbon pools by thin-layered soil incubations and 14C measurements”

P-57

Takuya Hishinuma*, Masayo Minami and Takashi Osono

“Estimating the dead year and decomposition rate of coarse woody debris using radiocarbon (14C): a preliminary analysis”

P-58

Takahiro Nakanishi*, Jun Koarashi, Mariko Atarashi-Andoh and Keizo Hirai

“Dissolved organic carbon dynamics in a cool temperate forest soil: clues from 13C and 14C signatures”

P-59

Miwa Arai*, Ichiro Tayasu, Masakazu Komatsuzaki and Nobuhiro Kaneko

“Changes in aggregate carbon dynamics during conversion from tillage to no-tillage system revealed by radiocarbon analysis”

P-60

Takashi Haraguchi*, Masao Uchida, Yasuyuki Shibata and Ichiro Tayasu

“Arboreal spiders as integrator of grazing and detrital food chain: changes in the contribution rate of the detritivores during forest succession”

*Presenting author