Forest Vegetation of Northern Japan and the Southern Kurils

Okitsu, Susumu

doi:10.1007/978-94-017-0143-3_7

Cited by 16 publications

(14 citation statements)

References 13 publications

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“…The n-beam T-T equation was derived in references [13,17] from Takagi's fundamental equation of the dynamical theory [19]. In section 2 of the present chapter, however, the n-beam E-L theory is described at first.…”

Section: Introductionmentioning

confidence: 90%

“…On the other hand, Okitsu and his coauthors [13,14,16,17] extended the Takagi-Taupin (T-T) dynamical diffraction theory [18][19][20] to n-beam cases (n ∈{ 3, 4, 5, 6, 8, 12})a n d presented a numerical method to solve the theory. They showed six-beam pinhole topographs experimentally obtained and computer-simulated based on the n-beam T-T equation, between which excellent agreements were found.…”

Section: Introductionmentioning

confidence: 99%

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X-Ray N-Beam Takagi-Taupin Dynamical Theory and N-Beam Pinhole Topographs Experimentally Obtained and Computer-Simulated

Okitsu¹,

Imai²,

Yoda³

2012

Recent Advances in Crystallography

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Section: Introductionmentioning

confidence: 90%

Section: Introductionmentioning

confidence: 99%

X-Ray N-Beam Takagi-Taupin Dynamical Theory and N-Beam Pinhole Topographs Experimentally Obtained and Computer-Simulated

Okitsu¹,

Imai²,

Yoda³

2012

Recent Advances in Crystallography

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“…일본 최북단 홋카이도(北海道)의 해양형에 가까운 섬형(중 간형)의 물참나무-사할린전나무군목(Abieti sachalinensis-Quercetalia grosseserratae Kim 1992) 삼림식생에 널리 분포한다 (Ishikawa and Ito, 1989;Kim, 1989a). 한편 홋카이도를 포함한 일 본 북부지역과 쿠릴열도 일대 냉온대 삼림식생 에 대한 기존 선행연구에서 물참나무림을 신 갈나무림으로 (Okitsu, 2003), 또는 신갈나무의 남방한계를 제주도로 보는 견해 (Yun et al, 2011;Song et al, 2014) 등은 보다 넓은 의미(廣義)의 계통분류학적 적용(Q. mongolica sensu lato)에서 비롯할 것이다. 반면 울릉도에서 신갈 나무와 상수리나무의 자생이 기재된 바 있으나 (Hong et al, 2002), 이는 심각한 학술적 오류이 다.…”

Section: 수리통계분석unclassified

Distributional Uniqueness of Deciduous Oaks(Quercus L.) in the Korean Peninsula

Kim¹,

Kim²

2017

Journal of the Korea Society of Environmental Restoration Techn

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The Korean peninsula belongs to the temperate forest biome dominated by many deciduous oaks. We quantitatively and qualitatively studied vertical and horizontal distributions and habitat characteristics on the major oak species such as Quercus mongolica, Q. serrata, Q. variabilis, Q. dentata, Q. aliena and Q. acutissima. A total of 5,278 samples were analyzed with a species coverage and 6 principal environmental variables extracted from public database of nationwide natural environment survey. Correlation analysis was accomplished by the CANOCO using Canonical Correspondence Analysis and the Pearson correlation coefficient using PASW Statistics. The hierarchical distribution tendency of six oaks was finalized using the Goodman-Kruskal lambda coefficient of non-metric multidimensional scaling by SYN-TAX 2000. The utmost factor on the distributional segregation of oak species was the elevation, i.e. temperature. Q. serrata and Q. mongolica show clearly a diametrical distribution patterns with zonal distribution. Q. variabilis was determined as a thermophilic and xerophilous species that is a component of not only natural pseudo-climax forest but also secondary forest. The highest frequency of the dominant forest was found Q. mongolica. Whereas, Q. serrata showed the highest frequency of individual tree but the relatively lower frequency of dominant forest, which is resulted from the original habitat loss. By the benefit 38 김윤하․김종원 of the traditional Soopjeong-E, Q. acutissima dominant forests were remained rather largely. Individuals of Q. dentata occurred horizontally nationwide, but its dominant forest was the poorest. Dominant forest of Q. aliena, which is a natural vegetation, was the most rare due to a limited potential habitat.

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“…This book includes chapters on the main vegetation regions by Krestov (2003) for eastern Russia, by Qian et al (2003) for Chinese Manchuria, by Okitsu (2003) for northern Japan, and by Kolbek et al (2003b) for northern Korea.…”

Section: B a C K G R O U N Dmentioning

confidence: 99%

A Comparative Look at Bioclimatic Zonation, Vegetation Types, Tree Taxa and Species Richness in Northeast Asia

Box¹,

Fujiwara²

2012

Bot Pac

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A b s t r A c tNortheast Asia includes the mainly temperate-deciduous and boreal forest areas of the Russian Far East, Manchuria, northern China, Korea, and northern Japan. In terms of global zonation, the region includes parts of the boreal, cool-temperate and typical-temperate zones, plus polar and the respective mountain belts. Zonation in Russia also recognizes sectoral subdivisions that represent the gradient from the ultra-continental interior to the maritime Pacific areas. Northeast Asia is compared herein with other regions of the Northern Hemisphere, within this zonal framework, in terms of bioclimatic conditions and zonation, vegetation types, main tree taxa, limiting mechanisms and ranges of taxa, and taxon richness. Northeast Asia has greater climatic extremes and climatic diversity, and species richness is generally seen as higher than in comparable areas of eastern North America and Europe. To some extent this results from the separation of Japan, Kamchatka, Sakhalin, and Korea from the East Asian mainland by the large marginal seas. Cool-temperate mixed forests seem strikingly similar in Northeast Asia and northeastern North America, although the extent of the former is truncated in some areas by the sudden appearance of permafrost. Some vegetation types of Northeast Asia are seen as more unique. Several research needs are identified by this cross-continental comparison, especially the need for more complete information on taxon ranges (including full range maps), a common zonation vocabulary, and better climate data. Consideration of the region as a whole also focuses attention on questions of just what really are different species and what factors limit them.

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Forest Vegetation of Northern Japan and the Southern Kurils

Cited by 16 publications

References 13 publications

X-Ray N-Beam Takagi-Taupin Dynamical Theory and N-Beam Pinhole Topographs Experimentally Obtained and Computer-Simulated

X-Ray N-Beam Takagi-Taupin Dynamical Theory and N-Beam Pinhole Topographs Experimentally Obtained and Computer-Simulated

Distributional Uniqueness of Deciduous Oaks(Quercus L.) in the Korean Peninsula

A Comparative Look at Bioclimatic Zonation, Vegetation Types, Tree Taxa and Species Richness in Northeast Asia

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