Works by Hirai, Keizo

Results: 17

Increased deadwood carbon stocks through planted forestry practices: insights from a Forest Inventory Survey in Japan.

Published in:

Carbon Management, 2024, v. 15, n. 1, p. 1, doi. 10.1080/17583004.2024.2315087

By:

Kawanishi, Ayumi;
Sakai, Yoshimi;
Ishizuka, Shigehiro;
Hashimoto, Shoji;
Komatsu, Masabumi;
Imaya, Akihiro;
Yamashita, Naoyuki;
Hirai, Keizo;
Furusawa, Hitomi;
Aizawa, Shuhei

Publication type:

Article

Long Term Seasonal Variability on Litterfall in Tropical Dry Forests, Western Thailand.

Published in:

Forests (19994907), 2023, v. 14, n. 10, p. 2107, doi. 10.3390/f14102107

By:

Marod, Dokrak;
Nakashizuka, Tohru;
Saitoh, Tomoyuki;
Hirai, Keizo;
Thinkampheang, Sathid;
Asanok, Lamthai;
Phumphuang, Wongsatorn;
Danrad, Noppakun;
Pattanakiat, Sura

Publication type:

Article

Short-Term Impacts of Harvesting Intensity on the Upper Soil Layers in High Karst Dinaric Fir-Beech Forests.

Published in:

Forests (19994907), 2021, v. 12, n. 5, p. 581, doi. 10.3390/f12050581

By:

Hukić, Emira;
Čater, Matjaž;
Marinšek, Aleksander;
Ferlan, Mitja;
Kobal, Milan;
Žlindra, Daniel;
Čustović, Hamid;
Simončič, Primož;
Hirai, Keizo

Publication type:

Article

Atypical Pattern of Soil Carbon Stocks along the Slope Position in a Seasonally Dry Tropical Forest in Thailand.

Published in:

Forests (19994907), 2019, v. 10, n. 2, p. 106, doi. 10.3390/f10020106

By:

Takahashi, Masamichi;
Hirai, Keizo;
Marod, Dokrak;
Anusontpornperm, Somchai;
Limtong, Pitayakon;
Leaungvutivirog, Chaveevan;
Panuthai, Samreong

Publication type:

Article

Variability in radiocesium activity concentration in growing hardwood shoots in Fukushima, Japan.

Published in:

PLoS ONE, 2023, v. 18, n. 12, p. 1, doi. 10.1371/journal.pone.0293166

By:

Itô, Hiroki;
Miura, Satoru;
Komatsu, Masabumi;
Kanasashi, Tsutomu;
Nagakura, Junko;
Hirai, Keizo

Publication type:

Article

Long-term changes in the chemical properties of Japanese cedar (<i>Cryptomeria japonica</i>) forest soils under high precipitation in southwest Japan.

Published in:

Journal of Forest Research, 2013, v. 18, n. 6, p. 466, doi. 10.1007/s10310-012-0381-y

By:

Yamada, Tsuyoshi;
Takenaka, Chisato;
Yoshinaga, Shuichiro;
Hirai, Keizo

Publication type:

Article

Nitrogen-fixing activity in decomposing litter of three tree species at a watershed in eastern Japan.

Published in:

Journal of Forest Research, 2011, v. 16, n. 1, p. 1, doi. 10.1007/s10310-010-0201-1

By:

Yamanaka, Takashi;
Hirai, Keizo;
Aizawa, Shuhei;
Yoshinaga, Shuichiro;
Takahashi, Masamichi

Publication type:

Article

Transport rates of surface materials on steep forested slopes induced by raindrop splash erosion.

Published in:

Journal of Forest Research, 2002, v. 7, n. 4, p. 201, doi. 10.1007/BF02763133

By:

Miura, Satoru;
Hirai, Keizo;
Yamada, Tsuyoshi

Publication type:

Article

Sustainable forest biomass: a review of current residue harvesting guidelines.

Published in:

Energy, Sustainability & Society, 2021, v. 11, n. 1, p. 1, doi. 10.1186/s13705-021-00281-w

By:

Titus, Brian D.;
Brown, Kevin;
Helmisaari, Heljä-Sisko;
Vanguelova, Elena;
Stupak, Inge;
Evans, Alexander;
Clarke, Nicholas;
Guidi, Claudia;
Bruckman, Viktor J.;
Varnagiryte-Kabasinskiene, Iveta;
Armolaitis, Kęstutis;
de Vries, Wim;
Hirai, Keizo;
Kaarakka, Lilli;
Hogg, Karen;
Reece, Pam

Publication type:

Article

Quantitative aspects of heterogeneity in soil organic matter dynamics in a cool-temperate Japanese beech forest: a radiocarbon-based approach.

Published in:

Global Change Biology, 2009, v. 15, n. 3, p. 631, doi. 10.1111/j.1365-2486.2008.01745.x

By:

KOARASHI, JUN;
ATARASHI-ANDOH, MARIKO;
ISHIZUKA, SHIGEHIRO;
MIURA, SATORU;
SAITO, TAKESHI;
HIRAI, KEIZO

Publication type:

Article

Near-infrared reflectance spectroscopy for the determination of lignin-derived compounds in the decomposed and humified litters of coniferous and deciduous temperate forests in Northern Kanto District, Central Japan.

Published in:

Soil Science & Plant Nutrition, 2008, v. 54, n. 2, p. 188, doi. 10.1111/j.1747-0765.2007.00239.x

By:

ONO, Kenji;
MIKI, Kouji;
AMARI, Masahiro;
HIRAI, Keizo

Publication type:

Article

Effects of vegetation and cultivation on δ<sup>13</sup>C values of soil organic carbon and estimation of its turnover in Asian tropics: A case study in Thailand.

Published in:

Soil Science & Plant Nutrition, 2006, v. 52, n. 1, p. 95, doi. 10.1111/j.1747-0765.2006.00001.x

By:

Yoneyama, Tadakatsu;
Okada, Hideki;
Chongpraditnum, Prapasri;
Ando, Shotaro;
Prasertsak, Praphan;
Hirai, Keizo

Publication type:

Article

Fate of organic carbon during decomposition of different litter types in Japan.

Published in:

Biogeochemistry, 2013, v. 112, n. 1-3, p. 7, doi. 10.1007/s10533-011-9682-z

By:

Ono, Kenji;
Hiradate, Syuntaro;
Morita, Sayaka;
Hirai, Keizo

Publication type:

Article

Biogeochemical nitrogen properties of forest soils in the Japanese archipelago.

Published in:

Ecological Research, 2015, v. 30, n. 1, p. 1, doi. 10.1007/s11284-014-1212-8

By:

Urakawa, Rieko;
Ohte, Nobuhito;
Shibata, Hideaki;
Tateno, Ryunosuke;
Hishi, Takuo;
Fukushima, Keitaro;
Inagaki, Yoshiyuki;
Hirai, Keizo;
Oda, Tomoki;
Oyanagi, Nobuhiro;
Nakata, Makoto;
Toda, Hiroto;
Kenta, Tanaka;
Fukuzawa, Karibu;
Watanabe, Tsunehiro;
Tokuchi, Naoko;
Nakaji, Tatsuro;
Saigusa, Nobuko;
Yamao, Yukio;
Nakanishi, Asami

Publication type:

Article

Floor Cover Percentage Determines Splash Erosion in Chamaecyparis obtusa Forests.

Published in:

Soil Science Society of America Journal, 2015, v. 79, n. 6, p. 1782, doi. 10.2136/sssaj2015.05.0171

By:

Satoru Miura;
Shin Ugawa;
Shuichiro Yoshinaga;
Tsuyoshi Yamada;
Keizo Hirai

Publication type:

Article

Sulfate and Nitrate Loads on a Forest Ecosystem in Kochi in Southwest of Japan.

Published in:

Water, Air & Soil Pollution, 2001, v. 130, n. 1-4, p. 1115, doi. 10.1023/A:1013979722790

By:

Yamada, Tsuyoshi;
Yoshinaga, Shuichiro;
Morisada, Kazuhito;
Hirai, Keizo

Publication type:

Article

Humification processes of needle litters on forest floors in Japanese cedar ( Cryptomeria japonica) and Hinoki cypress ( Chamaecyparis obtusa) plantations in Japan.

Published in:

Plant & Soil, 2011, v. 338, n. 1/2, p. 171, doi. 10.1007/s11104-010-0397-z

By:

Ono, Kenji;
Hiradate, Syuntaro;
Morita, Sayaka;
Ohse, Kenji;
Hirai, Keizo

Publication type:

Article