Kyushu University Academic Staff Educational and Research Activities Database
List of Papers
Masaaki Chiwa Last modified date:2023.09.27

Associate Professor / Forest Science / Department of Agro-environmental Sciences / Faculty of Agriculture

1. 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,, 未定, 2023.07.
2. 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.
3. 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.
4. 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.
5. 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.
6. 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.
7. 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.
8. 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.
9. 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.
10. 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.
11. 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.
12. 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.
13. 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.
14. 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.
15. 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.
16. 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.
17. 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.
18. 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.
19. 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.
20. 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.
21. 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.
22. 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.
23. 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.
24. 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.
25. 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.
26. 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.
27. 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.
28. 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.
29. 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.
30. 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.
31. Chiwa M., Onozawa Y., Otsuki K. , Hydrochemical characteristics of throughfall and stemflow in moso bamboo forest, Hydrological Processes, 24, 2924–2933, 2010.06.
32. 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.
33. 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.
34. 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.
35. 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.
36. 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.
37. 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.
38. 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.
39. 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.
40. 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.
41. 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.
42. 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.
43. 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.
44. 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.
45. 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.
46. 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.