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Article type: Cover
2001 Volume 51 Issue 3 Pages
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Published: December 20, 2001
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Article type: Index
2001 Volume 51 Issue 3 Pages
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Noriyuki TAKAI, Akira HOSHIKA, Kentaro IMAMURA, Akemi YOROZU, Terumi T ...
Article type: Article
2001 Volume 51 Issue 3 Pages
177-191
Published: December 20, 2001
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The distribution of carbon and nitrogen stable isotope ratios in macroalgae in Hiroshima Bay was examined seasonally from June, 1999 to June, 2000. A total of 52 species including 109 samples were collected from the eutrophic northern area and the mesotrophic central area of the bay. The macroalgae were mainly distributed from -23.0 to -11.0‰ in δ
13C and from 7.0 to 12.0‰ in δ
15N. Both the macroalgal δ
13C and δ
15N were significantly more enriched in the northern area than in the central area with intraspecific local differences of 3.5±2.6‰ (mean±S. D. ) in δ
13C and 1.8±0.8‰ in δ
15N, and thus the distribution on the δ
13C-δ
15N map differed between these areas. It was therefore suggested that it would be possible to identify the feeding area of herbivorous animals grazing on a specific macroalgal species on the basis of the carbon and nitrogen stable isotope distribution. The macroalgal δ
13C and δ
15N also varied seasonally with an intraspecific maximum variation of 5.9‰ in δ
13C and 4.0‰ in δ
15N, Particularly the δ
15N in the macroalgae collected from the central area increased in winter. The δ
13C of particulate organic matter in the surface layer in the central bay averaged -20.1±1.7‰, ranging from -22.3 to -16.9‰, and overlapped with the macroalgal isotope distribution. We must pay attention to this isotopic overlap between POM and macroalgae for identifying carbon sources for local animals using analysis of stable isotopes.
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Hiroshi KUDOH
Article type: Article
2001 Volume 51 Issue 3 Pages
193-201
Published: December 20, 2001
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The growing interest in metapopulation dynamics has prompted recent studies on contemporary gene flow among plant populations in ecological space and time. These studies have revealed that a number of ecological factors, as well as the geographic distances separating local plant populations, play critical roles in determining the spatial and temporal dynamics of pollen and seed movement among the populations. In this article, I review recent studies of gene flow among plant populations with respect to extant ecological factors, such as landscape features, behavior of pollen/seed vectors, and variation in phenology and life-stage structure among local populations. Furthermore, I also focus on studies of populations in a non-equilibrium state, where metapopulation dynamics or the seed bank largely affect the genetic structure of local populations. Future studies aimed at clarifying the ecological and evolutionary consequences of plant dispersal in natural habitats are required.
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Article type: Appendix
2001 Volume 51 Issue 3 Pages
203-
Published: December 20, 2001
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Hiroyoshi HIGUCHI
Article type: Article
2001 Volume 51 Issue 3 Pages
205-214
Published: December 20, 2001
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Masatoshi DENDA, Yukihiro SHIMATANI, Takashi OZAWA, Toshitaka IWAMOTO, ...
Article type: Article
2001 Volume 51 Issue 3 Pages
215-222
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Yutaka WATANUKI
Article type: Article
2001 Volume 51 Issue 3 Pages
223-230
Published: December 20, 2001
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Masatoshi YASUDA, Kazuto KAWAKAMI, Yasuyoshi KIDERA
Article type: Article
2001 Volume 51 Issue 3 Pages
231-237
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Hiroshi MOMOSE
Article type: Article
2001 Volume 51 Issue 3 Pages
239-246
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Keitarou HARA
Article type: Article
2001 Volume 51 Issue 3 Pages
247-252
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Article type: Appendix
2001 Volume 51 Issue 3 Pages
253-
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KENTA Tanaka, Masato HORI
Article type: Article
2001 Volume 51 Issue 3 Pages
255-259
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Mahito KAMADA
Article type: Article
2001 Volume 51 Issue 3 Pages
261-267
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Hideaki SHIBATA
Article type: Article
2001 Volume 51 Issue 3 Pages
269-275
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Kosuke HOMMA
Article type: Article
2001 Volume 51 Issue 3 Pages
277-282
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Yuji HIROSE, Wakio KIMURA
Article type: Article
2001 Volume 51 Issue 3 Pages
283-289
Published: December 20, 2001
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William K. MICHENER, James W. BRUNT, Masato HORI, Kristin L. VANDERBIL ...
Article type: Article
2001 Volume 51 Issue 3 Pages
291-303
Published: December 20, 2001
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[in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
305-
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[in Japanese], [in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
306-
Published: December 20, 2001
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
306-
Published: December 20, 2001
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J. J. SANZ
Article type: Article
2001 Volume 51 Issue 3 Pages
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[in Japanese], [in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
306-
Published: December 20, 2001
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[in Japanese], [in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
307-
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
307-
Published: December 20, 2001
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[in Japanese], [in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
307-
Published: December 20, 2001
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[in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
307-
Published: December 20, 2001
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[in Japanese], [in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
308-
Published: December 20, 2001
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[in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
308-
Published: December 20, 2001
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Q GUO
Article type: Article
2001 Volume 51 Issue 3 Pages
308-
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[in Japanese], [in Japanese], [in Japanese], [in Japanese], [in Japane ...
Article type: Article
2001 Volume 51 Issue 3 Pages
308-
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V. K. PRASAD, Y. KANT, K. V. S. BADARINATH
Article type: Article
2001 Volume 51 Issue 3 Pages
308-309
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KUN-FANG CAO
Article type: Article
2001 Volume 51 Issue 3 Pages
309-
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C. V. CHITTIBABU, N. PARTHASARATHY
Article type: Article
2001 Volume 51 Issue 3 Pages
309-
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
309-
Published: December 20, 2001
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[in Japanese], [in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
309-
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[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
310-
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[in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
310-
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JING-YUN FANG, ZHANG MING WANG
Article type: Article
2001 Volume 51 Issue 3 Pages
310-
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
310-
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[in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
310-311
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Article type: Article
2001 Volume 51 Issue 3 Pages
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A. CHIARUCCI, D. ROCCHINI, C. LEONZIO, V. De DOMINICIS
Article type: Article
2001 Volume 51 Issue 3 Pages
311-
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
311-
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[in Japanese], [in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
311-312
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[in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
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[in Japanese], [in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
312-
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[in Japanese], [in Japanese], [in Japanese], [in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
312-
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[in Japanese], [in Japanese], [in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
312-313
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[in Japanese]
Article type: Article
2001 Volume 51 Issue 3 Pages
313-
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