Staff_ Department of Plant Ecology

Masatake G. ARAKI

Position: Senior Researcher, Plant Production Laboratory

Mail address: gaku atmark ffpri.affrc.go.jp

Research Subjects: Forest Ecology; Tree Physiology; Silviculture

Seasonal and vertical variations in foliar respiration in relation to light and leaf N gradients in a young hinoki cypress canopy

Vertical difference in phenologies of stem radial growth and shoot elongation in young hinoki cypress

Effects of intensive thinnig on canopy structre and tree growth in Japanese cedar (sugi) and cypress (hinoki) stands

Seasonal variations and vertical gradient in stem CO₂ efflux in hinoki cypress

Publications

- Original articles -

Araki MG, Kajimoto T, Han Q, Kawasaki T, Utsugi H, Chiba Y (2015) Effect of stem radial growth on seasonal and spatial variations in stem CO2 efflux of Chamaecyparis obtusa. Trees 219: 499-514 (DOI 10.1007/s00468-014-1127-6)

Hirata R, Ito S, Araki MG, Mitsuda Y, Takagi M (2014) Growth recovery of young hinoki (Chamaecyparis obtusa) subsequent to late weeding. Journal of Forest Research 19:514-522 (DOI 10.1007/s10310-014-0450-5)

Han Q, Kabeya D, Saito S, Araki MG, Kawasaki T, Migita C, Chiba Y (2014) Thinning alters crown dynamics and biomass increment within aboveground tissues in young stands of Chamaecyparis obtusa. Journal of Forest Research 19:184-193 (DOI 10.1007/s10310-013-0405-2)

Noguchi K, Han Q, Araki MG, Kawasaki T, Kaneko S, Takahashi M, Chiba Y (2011) Fine-root dynamics in a young hinoki cypress (Chamaecyparis obtusa) stand for 3 years following thinning. Journal of Forest Research 16:284-291 (DOI 10.1007/s10310-010-0221-x)

Araki MG, Utsugi H, Kajimoto T, Han Q, Kawasaki T, Chiba Y (2010) Estimation of whole-stem respiration, incorporating vertical and seasonal variations in stem CO2 efflux rate, of Chamaecyparis obtusa trees. Journal of Forest Research 15:115-122 (DOI 10.1007/s1010-009-0163-3)

Mori S, Araki MG et al. (2010) Mixed-power scaling of whole-plant respiration from seedlings to giant trees. Proceedings of the National Academy of Sciences of the United States of America（PNAS) 107(4)：1447-1451 (DOI 10.1073/pnas.0902554107)

Han Q, Araki M, Chiba Y (2006) Acclimation to irradiance of leaf photosynthesis and associated nitorogen reallocation in photosynthetic apparatus in the year following thinning of a young stand of Chamaecyparis obtusa. PHOTOSYNTHETICA 44:523-529 (DOI 10.1007/s11099-006-0065-y)

Utsugi H, Araki M, Kawasaki T, Ishizuka M (2006) Vertical distributions of leaf area and inclination angle, and their relationship in a 46-year-old Chamaecyparis obtusa stand. Forest Ecology and Management 225：104-112 (DOI 10.1016/j.foreco.2005.12.028)

Utsugi H, Araki M, Kawasaki T, Ishizuka M (2001) Estimation of seasonal change in leaf area index for a Chamaecyparis obtusa stand. J. Jpn. For. Soc 83:359-362. (In Japanese with English summary)

Araki M, Tani N, Araki MG (1995) Comparison of mensuration methods for annual shoot elongation with adjacent bud scale marks on shoot of Siberian dwarf pine (Pinus pumila REGEL). Bulletin of Tsukuba University Forest 11: 71-83 (URI)

- Proceedings and Reports - in English only

Araki MG, Kajimoto T, Han Q, Chiba Y, Gyokusen K (2013) Carbon Balance between Growth and Respiration in Stems of Hinoki Cypress (Chamaecyparis obtusa), Central Japan. International Workshop "Monitoring of Forest Ecosystems: Where Do We Stand?" Abstracts P.39 (DOI 10.13140/2.1.1121.5043)

Sato T, Saito S, Nomiya H, Araki MG, Tanaka H (2009) Dynamics of NPP with typhoon disturbances in an old Castanopsis coppice, southwestern Japan. The 10th International Congress of Ecology Abstracts.

Saito S, Sato T, Kominami Y, Araki M, Kajimoto T (2008) Does partial removal of canopy trees improve productivity of an old secondary Castanopsis cuspidata forest?. 6th workshop of "uneven-aged silviculture" Abstracts of the conference on Feasibility of Silviculture for complex stand structures, 87p.

Araki M, Utsugi H, Han Q, Kawasaki T, Chiba Y (2006) Vertical variations and seasonal courses in stem respiration of Chamaecyparis obtusa trees. Abstracts of the 2nd. Scientific Congress of East Asian Federation of Ecological Societies 2:502.

Han Q, Araki M, Chiba Y (2005) Effect of thinning on photosynthetic acclimation and its relation to leaf nitrogen in young stands of Chamaecyparis obtusa. XVII International Botanical Congress, ABSTRACT 17：521.

Araki M, Utsugi H, Kawasaki T, Chiba Y (2001) Seasonal changes and vertical distribution of stem respiration in a Japanese cypress (Chamaecyparis obtusa) tree. IUFRO "Canopy processes" workshop, Linking the complexity of forest canopies to ecosystem and landscape function. Oregon, USA. 2p.

Kawasaki T, Chiba Y, Araki M (2001) The spatial branching structure at the crown of Pinus densiflora, measured with 3-D degitizer. IUFRO "Canopy processes" workshop, Linking the complexity of forest canopies to ecosystem and landscape function. Oregon, USA. 30p.

Ohtani Y, Mizoguchi Y, Watanabe T, Okano M, Yasuda Y, Toda M, Chiba Y, Kawasaki T, Araki M, Ohtsuka T, Abe Y, Nakano T, Mariko S (2001) Flux Observation Activities and Sites in Japan -Fujiyoshida Forest Meteorology Research Site-. CGER-Report M010-2001, Center for Global Environmental Research 134-135.

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