北林美帆・戸田任重、安曇野わさび田湧水群・まつもと城下町湧水群でみられる硝酸態窒素の起源、信州大学環境科学年報 33号、64-67(2011)

Akamatsu, F. and Toda, H., 2011, Aquatic subsidies transport anthropogenic nitrogen to riparian spiders, Environmental Pollution, 159: 1390-1397.

Akamatsu, F. and H. Toda, 2011, Flow regime alters body size but not the use of aquatic subsidies in a riparian predatory arthropod, Ecol Res (2011) 26: 801-808.

Akamatsu, F., K. Ide, K. Shimano, H. Toda, 2011, Nitrogen stocks in a riparian area invaded by N-fixing black locust (Robinia pseudoacacia L.), Landscape Ecol. Eng. 7:109-115.

戸田任重・鈴木啓助・Wang Dexuan・Mo Jiangming・Fang Yunting・Feng Zhaozhong・張玉欣・楊柳、2010、中国森林地域における窒素沈着量と窒素溶脱量の実測、環境科学会誌23(4): 268-276.

Akamatsu, F., Yamamoto, M., Chikaraishi, Y., and Toda, H., 2010, Evaluation of algal contribution to aquatic insects based on 13C/12C and C/N ratios, Res. Org. Geochem. 26, 105-112.

Kunito, T., Akagi, Y., Park, H.-D., and Toda, H. (2009) Influences of nitrogen and phosphorus addition on polyphenol oxidase activity in a forested Andisol.  European Journal of Forest Research, 128(4): 361-366.

AKAMATSU Fumikazu, Shimano Koji, Masatoshi Denda, Ide Koichi, Masatsugu Ishihara, TODA Hideshige, 2008, Effects of sediment removal on nitrogen uptake by riparian plants in the higher floodplain of the Chikima River, Japan, Landscape Ecol Eng 4: 91-96.

AKAMATSU Fumikazu, TODA Hideshige, OKINO Tokio, 2007, Relating body size to the role of aquatic subsidies for the riparian spider Nephila clavata, Ecological Research, 22: 831-836.

Fukuhara, H., F. Nemoto, Y. Takeuchi and H. Toda, 2007, Nitrate dynamics in a reed belt of a shallow sand dune lake in Japan: Analysis of nitrate retention using stable nitrogen isotope ratios. Hydrobiologia, 584 (1): 49-58.

赤松史一・島野光司・戸田任重・沖野外輝夫、2007:千曲川河畔域植物の窒素利用と地形要因、応用生態工学雑誌、10(2): 191-198.

戸田任重・椎名未季枝・山崎未月・菅野万理子・今井響子、2006、長野県における渓流水・河川水の窒素濃度に及ぼす人間活動の影響、日本水文科学会誌、36(3): 117-122.

木平英一・新藤純子・吉岡崇仁・戸田任重、2006、わが国の渓流水質の広域調査、日本水文科学会誌、36(3): 145-149.

大浦典子・鈴木啓助・奈良麻衣子・村本美智子・麓多門・新藤純子・戸田任重、2006、貧栄養多雪地域における森林の窒素循環、環境科学会誌, 19(3): 217-231(2006).

Vu Thanh Lan Anh and H. Toda, 2005, Estimation of nitrogen load in Vietnam using native administrative data, J. JASS, 21 (2): 125-131.

Vu Thanh Lan Anh・戸田任重、2005,ベトナム北部Red River Deltaにおける河川水・井戸水の窒素・リン濃度、水環境学会誌, 28 (8): 523-527.

Akamatsu, F., H. Toda, and T. Okino, 2004, Food source of riparian spiders analysed by using stable isotope ratios, Ecological Research 19: 655-662.

新藤純子・岡本勝男・郭一令・戸田任重・川西琢也・田中恒夫・川島博之、2004、流域窒素循環モデルを用いた東アジアの窒素負荷の現状と環境影響の評価、地球環境、9 (1): 93-99.

戸田任重・椎名未季枝・平林明・新藤純子・川島博之・沖野外輝夫、2004、千曲川における窒素化合物の由来、地球環境、9 (1): 41-48.

稲冨素子・戸田任重・小泉博、2004、人為的な窒素負荷が冷温帯林の土壌呼吸に及ぼす影響, システム農学20 (2): 176-184.


Okamoto, K., Sakamoto, T., Shindo, J., Toda, H., and Kawashima, H., 2003, Detecting land-cover change using standardized multitemporal Landsat TM data. 1-8. In P. Aplin and P.M. Mather (eds), Proceedings of RSPSoc 2003: Scales and Dynamics in Observing the Environment, Nottingham, 10-12 September 2003, Nottingham: The Remote Sensing and Photogrammetry Society, ISBN: 0946226326), CD-ROM.


Toda, H., Y. Uemura, T. Okino, T. Kawanishi, and H. Kawashima, 2002. Use of nitrogen stable isotope ratio of periphyton for monitoring nitrogen sources in a river system. Water Science and Technology 46 (11-12): 431-435.

Toda, H., Y. Mochizuki, T. Kawanishi, and H. Kawashima. 2002. Denitrification in shallow groundwater in a coastal agricultural area in Japan. Nutrient Cycling in Agroecosytems 63: 167-173.

戸田任重・中佐錦・平野弘蔵・上村由加里・沖野外輝夫・川島博之、2002.流域のつなぎ手としての物質循環、システム農学、18(2): 90-99.(特集)

Koizumi, H., Kibe, T., Mariko, S., Ohtsuka, T., Nakadai, T., Mo, W., Toda, H., Nishimura, S., and Kobayashi, K. 2001. Effect of free-air CO2 enrichment (FACE) on CO2 excahnge at the flood-water surface in a rice paddy field. New Phytologist, 150: 231-239.

N. Oura, J. Shindo, T. Fumoto, H. Toda and H. Kawashima, 2001. Effects of nitrogen deposition on nitrous oxide emission from the forest floor. Water, Air and Soil Pollution 130: 673-678.

戸田任重・中佐錦・沖野外輝夫・川島博之、2000.千曲川流域における窒素負荷発生量の変遷、システム農学、16(2): 183-187.

川西琢也・林良茂・戸田任重・川島博之、2000、休耕田土壌・植生ポットによる硝酸態窒素除去−浸透方式と表面流方式の違い、植生の有無の影響−、システム農学16 (1): 79-82.

望月康秀・戸田任重・川島博之、2000. 海岸砂地畑の暗きょ排水ほ場における窒素溶脱量の推定,日本土壌肥料学雑誌71(4): 512-519.

Toda, H., Tanaka, S., Koizumi, H., Kobayashi, K., Okada, M., Kim, H.-Y., and Kawashima, H. 2000. Effects of CO2 enrichment on the nitrogen utilization by rice under field conditions-a result from Free-Air CO2 Enrichment with Rice-, J. J. Agri. Sys. Soc. 16 (1): 74-78.

川西琢也・戸田任重・野村信博・田中高志・林良茂・小泉 博・川島 博之、1998、湛水休耕田における炭素および窒素収支、環境科学会誌11: 123-130.

Yoh, M., M. Takeuchi, and H. Toda, 1998. Simultaneous measurement of N2, O2, Ar, CO2, CH4, H2 and CO in aqueous and gaseous samples: a detection of N2/Ar shifts in environments. Jpn. J. Limnol. 59: 147-157.

Yoh, M., H. Toda, K. Kanda, and H. Tsuruta. 1997. Diffusion analysis of N2O cycling in a fertilized soil. Nutrient Cycling in Agroecosystems 49: 29-33.

Toda, H., Mochizuki, Y., Kawanishi, T., Koizumi, H., and Kawashima, H. 1997. Nitrate removal by using paddy fields. Acta Hydrobiologica Sinica 21 (suppl.): 146-149.

戸田任重・望月康秀・川西琢也・川島博之、1997、静岡県牧ノ原における茶園−水田連鎖系による窒素流出負荷低減効果の推定、日本土壌肥料学雑誌68 (4): 369-375.

木平英一・楊宗興・戸田任重・八木一行・窪田順平・塚本良則、1997、森林流域谷底部土壌の脱窒作用−NO3--N窒素安定同位体比による解析−、日林誌79: 83-88.

戸田任重・日高伸、1996、高濃度硝酸態窒素含有地下水の流入する水田下層土における脱窒活性、水環境学会誌19 (2): 170-175.(和文)

Yamazaki, T., Matsumoto, M., Asano, J., and Toda, H. 1995. Yield improvement of vegetables by using a super-water-absorbent polymer in sandy soil. J. Arid Land Studies 沙漠研究 5S: 231-234.

川島博之・戸田任重、1995、畑地周辺浅層地下水中硝酸態窒素濃度の予測、システム農学 11 (2): 175-181.

戸田任重・楊宗興・日高伸、1995、高濃度硝酸態窒素含有地下水の流入するアシ湿地における脱窒速度の実測、水環境学会誌18 (5): 419-423.

戸田任重・松本英一・宮崎龍雄・芝野和夫・川島博之、1994、潅漑用溜池における硝酸態窒素の消失、日本土壌肥料学雑誌 65 (3): 266-273.

Toda, H., Yagi, K., Yoh, M. and Takeuchi, M. 1994. Measurement of methane and nitrous oxide emissions from the peatlands in northern Quebec, Canada. Polar Biology 7: 237-242.

Hirose, E., Toda, H., Saito, Y., and Watanabe, H. 1992. Formation of the multiple-layered fertilization envelope in the embryo of Calanus sinicus Brodsky (Copepoda: Calanoida). J. Crustacean Biol. 12: 186-192.

Toda, H. and Hirose, E. 1991. SEM and TEM observations on egg membranes of the two types of Calanus sinicus eggs. Bull. Plankton Soc. Japan, Spec. Vol.: 613-617.

Toda, H. and Wada, E. 1990. Use of 15N/14N ratios to evaluate the food source of the mysid, Neomysis intermedia Czerniawsky, in a eutrophic lake in Japan. Hydrobiologia 194: 85-90.Toda, H. and Hirose, E. 1991. SEM and TEM observations on egg membranes of the two types of Calanus sinicus eggs. Bull. Plankton Soc. Japan, Spec. Vol.: 613-617.

Toda, H. 1989. Surface distributions of copepods in relation to regional upwellings around the Izu Islands in summer of 1988. J. Oceanogr. Soc. Jpn. 45: 251-257.

Toda, H. T. Arima, M. Takahashi, & S. Ichimura. 1987. Physiological evaluation of temperature effect on the growth processes of the mysid, Neomysis intermedia Czerniawsky. J. Plankton Res. 9(1): 51-63.

Toda, H. & M. Takahashi. 1985. High mortality of juveniles during the summer decline of the mysid (Neomysis intermedia) population in Lake Kasumigaura. Bull. Plankton Soc. Japan 32(2): 141-148.

Toda, H., M. Takahashi., & S. Ichimura.1984. The effect of temperature on the post-embryonic growth of Neomysis intermedia Czerniawsky (Crustacea, Mysidacea) under laboratory conditions. J. Plankton Res. 6(4): 647-662.

Toda, H., M. Takahashi., & S. Ichimura.1983. Diel vertical movement of Neomysis intermedia Czerniawsky (Crustacea, Mysidacea) population in a shallow eutrophic lake. Jpn J. Limnol. 44(4): 277-282.

Toda, H., S. Nishizawa, M. Takahashi, & S. Ichimura. 1983. Temperature control on the post-embryonic growth of Neomysis intermedia Czerniawsky in a hypereutrophic temperate lake. J. Plankton Res. 5(3): 377-392.

Toda, H. & M. Takahashi. 1982. An application of sucrose-formalin preservation technique to Mysidacea. Bull. Plankton Soc. Japan 29(2): 129-130.

Toda, H., M. Takahashi., & S. Ichimura. 1982. Abundance and life history of Neomysis intermedia Czerniawsky in Lake Kasumigaura. Hydrobiologia 93: 31-39.

Toda, H., M. Hamada, & S. Ichimura, 1981. Acceleration of the eutrophic process and community changes in biotic structure due to human activities in Lake Kasumigaura. Verh. Internat. Verein. Limnology 21:646-651.