The Affinity of Moss Floras of Japan, Taiwan and the Philippines Revisited : Old Problems, New Insight and More Questions

概要

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A review of the floristic affinity of moss floras of Japan, Taiwan and the Philippines is presented. The results show that as many as 50 genera of mosses in Japan do not disperse southward to Taiwan while there are only 28 genera from Taiwan not found in Japan. Japanese moss taxa not present in Taiwan are the arctic and boreal members whereas the Taiwan moss taxa not found in Japan are the Malesian, Himalayan and SW Chinese endemics. A comparison of the floristic affinity of the moss floras of the Philippines and Taiwan reveal the same uneven north/south exchange of moss taxa.57% of Philippine mosses are not found in Taiwan while a high 64% of Taiwan mosses are not found in the Philippines. The demarcation line between the Taiwan and the Philippine (Luzon) floras is shown to be a strong barrier and be renamed Merrill's Line. Climatic, biological and geological factors causing the differences in species composition and patterns of distribution among the moss floras of Japan, Taiwan and the Philippines are outlined. Lastly, the reported oceanic distribution pattern of mosses from Japan to Taiwan and northern Philippines is also discussed.
日本植物分類学会の論文
2002-06-29