| 1. |
Liu YY, Chiwa M, Influence of surface soil chemistry on nutrient leaching from Japanese cedar plantations and natural forests, LANDSCAPE AND ECOLOGICAL ENGINEERING, 10.1007/s11355-023-00588-0, 20, 2, 187-194, 2024.04. |
| 2. |
Fu D, Chiwa M, Contrasting nitrate leaching from an abandoned Moso bamboo forest and a Japanese cedar plantation: role of vegetation in mitigating nitrate leaching, Plant and Soil, 10.1007/s11104-023-06167-4, 492, 1-2, 229-240, 2023.11. |
| 3. |
Yang R, Fukuzawa K, Nakayama M, Tateno R, Hishi T, Shibata H, Chiwa M, Nitrate leaching and its susceptibility in response to elevated nitrogen deposition in Japanese forests, Journal of Forest Research, https://doi.org/10.1080/13416979.2023.2242542, 未定, 2023.07. |
| 4. |
Mizuki, I., Sango, Y., Ishida, K., Hanba, Y. T., Chiwa, M., Uehara, Y., & Kume, A. , Effects of sex and soil water chemistry on leaf morphology and physiology of Myrica gale var. tomentosa, PLOS ONE, 10.1371/journal.pone.0275024, 17, 9, 2022.09. |
| 5. |
Ding W, Tsunogai U, Nakagawa F, Sambuichi T, Chiwa M, Kasahara T, Shinozuka K, Stable isotopic evidence for the excess leaching of unprocessed atmosphericnitrate from forested catchments under high nitrogen saturation, BIOGEOSCIENCES, 10.5194/bg-20-753-2023, 20, 3, 753-766, 2023.02. |
| 6. |
李 彦達，笠原 玉青，智和 正明, 山地渓流の河床と河川間隙水域における有機物分解速度の比較, 九州大学農学部演習林報告, 103, 7-12, 2022.03. |
| 7. |
Farahnak, Moein; Mitsuyasu, Keiji; Ide, Jun'Ichiro; Chiwa, Masaaki; Enoki, Tsutomu; Jeong, Seonghun; Otsuki, Kyoichi; Shimizu, Kuniyoshi; Kume, Atsushi, Soil pH and divalent cations after clear-cutting on a Japanese cypress plantation, JOURNAL OF FOREST RESEARCH, 10.1080/13416979.2022.2048987, 2022.03. |
| 8. |
Shimono, Kohei; Katayama, Ayumi; Kume, Tomonori; Enoki, Tsutomu; Chiwa, Masaaki; Hishi, Takuo, Differences in net primary production allocation and nitrogen use efficiency between Moso bamboo and Japanese cedar forests along a slope, JOURNAL OF FOREST RESEARCH, 10.1080/13416979.2021.1965280, 27, 1, 28-35, 2022.01. |
| 9. |
Shibata, Hideaki; Ban, Ryosuke; Hirano, Nanae; Eguchi, Sadao; Mishima, Shin-Ichiro; Chiwa, Masaaki; Yamashita, Naoyuki, Comparison of spatial and temporal changes in riverine nitrate concentration from terrestrial basins to the sea between the 1980s and the 2000s in Japan: Impact of recent demographic shifts, ENVIRONMENTAL POLLUTION, 10.1016/j.envpol.2021.117695, 288, 2021.11. |
| 10. |
Masaaki Chiwa, Long-term changes in atmospheric nitrogen deposition and stream water nitrate leaching from forested watersheds in western Japan, ENVIRONMENTAL POLLUTION, 10.1016/j.envpol.2021.117634, 287, 2021.10. |
| 11. |
Yang, Ru,Chiwa, Masaaki, Low nitrogen retention in a Japanese cedar plantation in a suburban area, western Japan, Scientific Reports, 10.1038/s41598-021-84753-1, 11, 1, 2021.03. |
| 12. |
Chiwa, Masaaki; Utsumi, Yasuhiro; Tashiro, Naoaki; Yasuda, Yuko; Shinozuka, Ken’ichi; Ru, Yang; Nagano, Nao; Murata, Shusuke; Nakamura, Takuma; Yamauchi, Kohei; Kabemura, Yuji; Ando, Tatsuro; Sawamura, Hiroshi, Nutrients exported from upland stream water enlarge perennial biomass crops, Scientific Reports, 10.1038/s41598-021-81191-x, 11, 1, 2200, 2021.01. |
| 13. |
Li, Yanda; Kasahara, Tamao; Chiwa, Masaaki; Fujimoto, Noboru, Effects of dams and reservoirs on organic matter decomposition in forested mountain streams in western Japan, RIVER RESEARCH AND APPLICATIONS, 10.1002/rra.3640, 36, 7, 1257-1266, 2020.09. |
| 14. |
Farahnak, Moein; Mitsuyasu, Keiji; Hishi, Takuo; Katayama, Ayumi; Chiwa, Masaaki; Jeong, Seonghun; Otsuki, Kyoichi; Sadeghi, Seyed Mohammad Moein; Kume, Atsushi, Relationship between Very Fine Root Distribution and Soil Water Content in Pre- and Post-Harvest Areas of Two Coniferous Tree Species, FORESTS, 10.3390/f11111227, 11, 11, 2020.11. |
| 15. |
Chiwa M., Haga H., Kasahara T., Tateishi M., Saito T., Kato H., Otsuki K., Onda Y. , Effect of forest thinning on hydrologic nitrate exports from a N-saturated plantation, JOURNAL OF FORESTRY RESEARCH, 10.1007/s11676-018-0784-5, 31, 2, 387-395, 2020.04. |
| 16. |
Chiwa M, Ten-year determination of atmospheric phosphorus deposition at three forested sites in Japan, ATMOSPHERIC ENVIRONMENT, 10.1016/j.atmosenv.2019.117247, 223, 2020.02. |
| 17. |
Chiwa M., Sheppard L. J., Leith I. D., Leeson S. R., Tang Y. S., Cape J. N., P and K additions enhance canopy N retention and accelerate the associated leaching, BIOGEOCHEMISTRY, 10.1007/s10533-019-00543-y, 142, 3, 413-423, 2019.02. |
| 18. |
Mizuki I., Ishida K., Chiwa M., Uehara Y., Shinozuka K., Kume A., Nutrient deficiency promotes male-biased apparent sex ratios at the ramet level in the dioecious plant Myrica gale var. tomentosa in oligotrophic environments in bogs, JOURNAL OF PLANT RESEARCH, 10.1007/s10265-018-1056-3, 131, 6, 973-985, 2018.11. |
| 19. |
Chiwa M., Tateno R., Hishi T., Shibata H., Nitrate leaching from Japanese temperate forest ecosystems in response to elevated atmospheric N deposition, JOURNAL OF FOREST RESEARCH, 10.1080/13416979.2018.1530082, 24, 1, 1-15, 2019.01. |
| 20. |
Chiwa M., Sheppard L. J., Leith I. D., Leeson S. R., Tang Y. S., Cape J. N., Long-term interactive effects of N addition with P and K availability on N status of Sphagnum, Environmental Pollution, 237, 468-472, 2018.03. |
| 21. |
智和正明， 村田秀介， 中村琢磨, 農耕地に囲まれた市街域とそれに隣接した森林域における大気沈着量の比較 −北海道足寄町における事例−, 九州大学農学部演習林報告, 99, 35-38, 2018.03. |
| 22. |
久保田勝義， 南木大祐， 中村琢磨， 村田秀介， 井上幸子， 緒方健人， 山内康平， 長慶一郎， 壁村勇二， 扇大輔， 安田悠子， 田代直明， 智和正明， 内海泰弘, カラマツの樹齢および成長量がエゾヤチネズミの食害頻度におよぼす影響, 九州大学農学部演習林報告, 99, 29-34, 2018.03. |
| 23. |
南木大祐， 井上幸子， 緒方健人， 久保田勝義， 長慶一郎， 中村琢磨， 村田秀介， 山内康平， 田代直明， 菱拓雄， 智和正明， 内海泰弘, 十勝平野北東部におけるエゾシカ生息数の年変動とミズナラ造林木への食害, 九州大学農学部演習林報告, 99, 25-28, 2018.03. |
| 24. |
Shinozuka, K., Chiwa M., Tayasu I., Yoshimizu C., Otsuki K., Kume A., Differences in Stream Water Nitrate Concentrations between a Nitrogen-Saturated Upland Forest and a Downstream Mixed Land Use River Basin, Hydrology, 10.3390/hydrology4030043, 4, 3, 43, 2017.09. |
| 25. |
Shinozuka Ken'ichi, Masaaki Chiwa, Koji Nakamura, Seiya Nagao, Atsushi Kume, Stream Water Nitrogen Eutrophication During Non-Irrigated Periods in a Paddy-Dominated Agricultural Basin in a Snowfall Area in Japan, WATER AIR AND SOIL POLLUTION, 10.1007/s11270-016-2906-z, 227, 7, 2016.07. |
| 26. |
Masaaki Chiwa, Sheppard, Lucy J., Leith, Ian D., Leeson, Sarah R., Tang, Y. Sim, Cape, J. Neil, Sphagnum can 'filter' N deposition, but effects on the plant and porewater depend on the N form, SCIENCE OF THE TOTAL ENVIRONMENT, 10.1016/j.scitotenv.2016.03.130, 559, 113-120, 2016.07. |
| 27. |
Masaaki Chiwa, Shoko Ikezaki, Katayama Ayumi, Tsutomu Enoki, Topographic Influence on Plant Nitrogen and Phosphorus Stoichiometry in a Temperate Forested Watershed, WATER AIR AND SOIL POLLUTION, 10.1007/s11270-015-2701-2, 227, 1, 2016.01. |
| 28. |
Masaaki Chiwa, Takami Saito, Hirokazu Haga, Hiroaki Kato, kyoichi otsuki, Yuchi Onda, A Nitrogen-Saturated Plantation of Cryptomeria japonica and Chamaecyparis obtusa in Japan Is a Large Nonpoint Nitrogen Source, JOURNAL OF ENVIRONMENTAL QUALITY, 10.2134/jeq2014.09.0401, 44, 4, 1225-1232, 2015.07. |
| 29. |
Yoshitoshi Uehara, Atsushi Kume, Masaaki Chiwa, H Honoki, J Zhang, K Watanabe, Atmospheric deposition and interactions with Pinus pumila Regal canopy on Mount Tateyama in the Northern Japanese Alps, ARCTIC ANTARCTIC AND ALPINE RESEARCH, 10.1657/AAAR0013-126, 47, 2, 389-399, 2015.05. |
| 30. |
Chiwa Masaaki, Inoue Sachiko, Tashiro Naoaki, Uehara Yoshitoshi, Shibata Hideaki, Kume Atsushi, Assessing the role of forests in mitigating eutrophication downstream of pasture during spring snowmelt, HYDROLOGICAL PROCESSES, 10.1002/hyp.10189, 29, 4, 615-623, 2015.02. |
| 31. |
Chiwa Masaaki, Higashi Naoko, Otsuki Kyoichi, Kodama Hiroki, Miyajima Tohru, Takeda Kazuhiko, Sakugawa Hiroshi, Sources of hydroxyl radical in headwater streams from nitrogen-saturated forest, CHEMOSPHERE, 10.1016/j.chemosphere.2014.02.046, 119, 1386-1390, 2015.01. |
| 32. |
Chiwa, Masaaki; Enoki, Tsutomu; Higashi, Naoko; Kumagai, Tomo'omi; Otsuki, Kyoichi, The Increased Contribution of Atmospheric Nitrogen Deposition to Nitrogen Cycling in a Rural Forested Area of Kyushu, Japan, WATER AIR AND SOIL POLLUTION, 10.1007/s11270-013-1763-2, 224, 11, 2013.11. |
| 33. |
Mizuki, Inoue; Kume, Atsushi; Chiwa, Masaaki; Uehara, Yoshitoshi; Ishida, Kiyoshi, Impact of soil water chemistry on the apparent sex ratio of the flowering ramets of the dioecious plant Myrica gale var. tomentosa, JOURNAL OF PLANT RESEARCH, 10.1007/s10265-012-0481-y, 125, 5, 631-641, 2012.09. |
| 34. |
Ide, Jun'ichiro; Chiwa, Masaaki; Higashi, Naoko; Maruno, Ryoko; Mori, Yasushi; Otsuki, Kyoichi, Determining storm sampling requirements for improving precision of annual load estimates of nutrients from a small forested watershed, ENVIRONMENTAL MONITORING AND ASSESSMENT, 10.1007/s10661-011-2299-9, 184, 8, 4747-4762, 2012.08. |
| 35. |
Chiwa, Masaaki; Uemura, Tomotaka; Otsuki, Kyoichi; Sakugawa, Hiroshi, Characteristics of Nitrogenous Air Pollutants at Urban and Suburban Forested Sites, Western Japan, WATER AIR AND SOIL POLLUTION, 10.1007/s11270-012-1294-2, 223, 8, 5473-5481, 2012.09. |
| 36. |
Chiwa, Masaaki; Matsuda, Toshihide; Nakatani, Nobutake; Kobayashi, Tsuyoshi; Kume, Atsushi; Sakugawa, Hiroshi, Effects of canopy N uptake on foliar CO2 assimilation rates and biomass production and allocation in Japanese red pine seedlings, CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE, 10.1139/X2012-091, 42, 7, 1395-1403, 2012.07. |
| 37. |
Chiwa M., Onikura N., Ide J., Kume A., Impact of N-saturated upland forests on downstream N pollution in the Tatara River Basin, Japan., Ecosystems, 15, 230-241, 15, 230-241, 2012.03. |
| 38. |
久保田勝義，壁村勇二，鍜治清弘，椎葉康喜，内海泰弘，智和正明，榎木勉, 宮崎演習林の学術参考保護林と見本林（III）, 九州大学演習林報告, 91, 24-28, 91,24-28, 2010.03. |
| 39. |
Chiwa M., Onozawa Y., Otsuki K. , Hydrochemical characteristics of throughfall and stemflow in moso bamboo forest, Hydrological Processes, 24, 2924–2933, 2010.06. |
| 40. |
Chiwa M., Characteristics of atmospheric nitrogen and sulfur containing compounds in an suburban-forested site in northern Kyushu, western Japan, Atmospheric Research, 96, 531-543, 2010.06. |
| 41. |
Chiwa, M., R. Maruno, J. Ide, T. Miyano, N. Higashi, and K. Otsuki, Role of stormflow in reducing N retention in a suburban forested watershed, western Japan, Journal of Geophysical Research , 10.1029/2009JG000944., 115, G02004, doi:10.1029/2009JG000944., 2010.04. |
| 42. |
篠原慶規，井手淳一郎，東直子，小松光，久米朋宣，智和正明，大槻恭一 , 管理放棄されたヒノキ人工林における樹冠遮断量の計測, 日本森林学会誌, 10.1007/s11284-009-0647-9, 92, 54-59., 2010.01. |
| 43. |
Kume A., Nagafuchi O., Akune S., Nakatani N., Chiwa M., Tetsuka K., Environmental factors influencing the load of long-range transported air pollutants on Pinus amamiana in Yakushima Island, Japan, Ecological Research, 10.1007/s11284-009-0647-9, 25, 233-243, 2010.01. |
| 44. |
Shinohara, Y., Onozawa Y., Chiwa M., Kume T., Komatsu H., Otsuki K. , Spatial variations in throughfall in a Moso bamboo forest: sampling design for the estimates of stand-scale throughfall, Hydrological Processes, in press, 2009.07. |
| 45. |
Chiwa M., Ide J., Maruno R, Higashi N, Otsuki K , Effects of storm flow samplings on the evaluation of inorganic nitrogen and sulfate budgets in a small forested watershed., Hydrological Processes, 24, 631-640., 2010.02. |
| 46. |
近藤宏壮，智和正明，佐久川弘, 東広島における大気エアロゾル抽出水中のヒドロキシルラジカルの光化学的生成および消失機構, 地球化学, 43，15-25, 2009.04. |
| 47. |
Ide J., Kume T., Wakiyama Y., Higashi N., Chiwa M., Otsuki K., Estimation of annual suspended sediment yield from a Japanese cypress (Chamaecyparis obtusa) plantation considering antecedent rainfalls., Forest Ecology and Management, 257 (9), 1955-1965, 2009.04. |
| 48. |
Onozawa Y., Chiwa M., Komatsu H., Otsuki K, Rainfall interception in a moso-bamboo (Phyllostachys pubescens) forest., Journal of Forest Research , 14, 111-116, 2009.03. |
| 49. |
Chiwa M., Miyake T., Kimura N., Sakugawa H., Organic acids and aldehydes in throughfall and dew in a Japanese pine forest, Journal of Environmental Quality, 37, 2397-2402, 2008.11. |
| 50. |
Ide J, Haga H, Chiwa M, Otsuki K, Factors affecting variations in relation between load and discharge for stream particulate phosphorus in a small afforested watershed of Chamaecyparis obtusa., Journal of Hydrology, 352, 322-335, 2008.05. |
| 51. |
東 直子，智和正明，熊谷朝臣，大槻恭一, シカ害のある流域における土壌の性質と渓流水質, 九州大学農学部演習林報告, 89, 29-38, 2008.05. |
| 52. |
井手淳一郎，智和正明，大槻恭一, 出水時における河川水中リンの濃度上昇を考慮したヒノキ人工林流域におけるリン収支, 水文水資源学会誌, 21, 205-214, 2008.05. |
| 53. |
Chiwa M., Kondo H., Ebihara N., Sakugawa H., Atmospheric concentrations of nitric acid, sulfur dioxide, particulate nitrate and particulate sulfate, and estimation of their dry deposition on the urban- and mountain-facing sides of Mt. Gokurakuji, western Japan., Environmental Monitoring and Assessment , 140, 349-360, 2008.05. |
| 54. |
小松光，井手淳一郎，篠原慶規，芳賀弘和，藤山洋介，宮野岳明，丸野亮子，智和正明，久米朋宣，東直子，大槻恭一, 非管理針葉樹人工林の蒸発散量, 水利科学, 297, 107-127, 2008.05. |
| 55. |
智和正明，井手淳一郎，扇大輔，田代直明，古賀信也，柴田英明，佐藤冬樹，大槻恭一 , 北海道演習林及び福岡演習林における降水，渓流水中の化学成分の特徴, 九州大学農学部演習林報告, 88, 33-43, 2007.05. |
| 56. |
Ide J., Nagafuchi O., Chiwa M., Kume A., Otsuki K., Ogawa S., Effects of discharge level on the load of dissolved and particulate components of stream nitrogen and phosphorus from a small afforested watershed of Japanese cypress (Chamaecyparis obtusa), Journal of Forest Research, Volume: 12 Issue: 1 Pages: 45-56 , 2007.02. |
| 57. |
Nakatani N., Akane S., Chiwa M., Kobayashi T., Sakugawa H., Roles of hydroxyl radical generating/scavenging mechanisms in pseudo polluted dew in reducing the foliar CO2 assimilation rate and biomass production of Japanese red pine (Pinus densiflora Sieb. et Zucc.) seedlings, Environmental and Experimental Botany, Volume: 60 Issue: 2 Pages: 159-169 , 2007.06. |
| 58. |
智和正明，田原康作，井田秀行，里村多香美，小林剛，堀越孝雄，佐久川弘, 広島県極楽寺山におけるアカマツ衰退度の異なる林分の土壌化学性, 森林応用研究, 印刷中. |
| 59. |
Chiwa M., Matsuda T., Nakatani N., Sueki Y., Kobayashi T., Sakugawa H., Physiological Effects of Hydroxyl Radical (OH) Generating Solution as Simulated Dew on the Needle Surfaces of Japanese Red Pine (Pinus densiflora Sieb. et Zucc.), Phyton, 45, 237-244, 2005.12. |
| 60. |
佐久川弘，新垣雄光，増田直樹，三宅隆之，智和正明, 神奈川県大山における大気中過酸化物濃度の測定, 大気環境学会誌, 40，84-93, 2005.03. |
| 61. |
Chiwa, M., Crossley, A., Sheppard, L. J., Sakugawa, H. and Cape, J. N., Throughfall chemistry and canopy interactions in a Sitka spruce plantation sprayed with six different simulated polluted mist treatments, Environmental Pollution, 127, 54-62, 2004.01. |
| 62. |
Chiwa, M., Kim, D. H. and Sakugawa, H., Rainfall, stemflow, and throughfall chemistry at urban- and mountain-facing sites at Mt. Gokurakuji, Hiroshima, western Japan, Water Air and Soil Pollution, 146, 93-109, 2003.06. |
| 63. |
Kume, A., Satomura, T., Tsuboi, N., Chiwa, M., Hanba, Y., Nakane, K., Horikoshi, T. and Sakugawa, H., Effects of understory vegetation on the photosynthesis of an overstory pine, Pinus densiflora Sieb. et Zucc, Forest Ecology and Management, 176, 195-203, 2003.03. |
| 64. |
Chiwa, M., Oshiro, N., Miyake, T., Nakatani, N., Kimura, N., Yuhara, T., Hashimoto, N. and Sakugawa, H., Dry deposition washoff and dew on the surfaces of pine foliage on the urban- and mountain-facing sides of Mt. Gokurakuji, western Japan, Atmospheric Environment, 37, 327-337, 2003.01. |
| 65. |
Kobayashi, T., Nakatani, N., Hirakawa, T., Suziki, M., Miyake, T., Chiwa, M., Yuhara, T., Hashimoto, N., Inoue, K., Yamamura, K., Agus, N., Sinogaya, J. R., Nakane, K., Kume, A., Arakaki, T., and Sakugawa H., Variation in CO2 assimilation rate induced by simulated dew waters with different sources of hydroxyl radical (・OH) on the needle surfaces of Japanese red pine (Pinus densiflora Sieb. et Zucc.), Environmental Pollution, 10.1016/S0269-7491(01)00289-5, 118, 3, 383-391, 118, 383-391, 2002.08. |
| 66. |
智和正明，平川剛，苗村晶彦，新垣雄光，佐久川弘, 広島県極楽寺山およびその周辺における二酸化硫黄、窒素酸化物、オゾン濃度と日変化, 日本化学会, 67-76, 2002.01. |
| 67. |
Nakatani, N., Miyake, T., Chiwa, M., Hashimoto, N., Arakaki, T., and Sakugawa, H., Photochemical formation of OH radicals in dew formed on the pine needles at Mt. Gokurakuji., Water, Airm and Soil Pollution, 130, 397-402, 2001.08. |
| 68. |
Kume, A., Tsuboi, N., Satomura, T., Suzuki, M., Chiwa, M., Nakane, K., Sakurai, N., Horikoshi, T., and Sakugawa, H., Physiological characteristics of Japanese red pine, Pinus densiflora Sieb. et Zucc. in declined forests at Mt. Gokurakuji in Hiroshima Prefecture, Japan., Trees, 14, 305-315, 2000.05. |
| 69. |
苗村晶彦，智和正明，竹田一彦，中根周歩，佐久川弘, 広島県極楽寺山におけるアカマツ葉枝上の酸性沈着物質, 日本生気象学会, 37，15−20, 2000.04. |
