Abstract
Alpha diversity, or species richness, of East Asian mainland evergreen broadleaved forests, expressed by indices of Fisher’s alpha (α) and S(100), a new index showing species number in a 100-individual sample, is significantly correlated with the climatic favorableness, expressed by Kira’s warmth index. On the contrary, diversity values of insular forests studied on Kyushu satellites of Japan, the Bonins, the Eastern Carolines of Micronesia, and the Galápagos in the eastern Pacific, are below those expected from the climate of respective oceanic islands. Species-individual curves, comparing mainland-and insular communities, also support clearly the above conclusion of species poverty in the insular communities studied.
Nomenclature
I. L. Wiggins & D. M. Porter 1971. Flora of the Galápagos Islands. Palo Alto; R. Kanehira 1972. Flora Micronesica. Tokyo
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Abbreviations
- WI:
-
Kira’s (1977) warmth index
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© 1988 Kluwer Academic Publishers, Dordrecht
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Itow, S. (1988). Species diversity of mainland- and island forests in the Pacific area. In: Miles, J., Schmidt, W., van der Maarel, E. (eds) Temporal and Spatial Patterns of Vegetation Dynamics. Advances in vegetation science, vol 9. Springer, Dordrecht. https://doi.org/10.1007/978-94-009-2275-4_21
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DOI: https://doi.org/10.1007/978-94-009-2275-4_21
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