Soil Seed Banks at Three Ecological Preservation Areas in Seoul

Soil seed banks at ecological preservation areas in Seoul, Jinkwannae-dong, Bangi-dong andBam-sum, were studied by seedling emergence method from May to October 2004. Total number of species and individuals in seed banks were 42 and 5,190 at Jinkwannae-dong, 39 and 2,290 at Bangi-dong, and 39 and 1,047 at Bamsum. Salix koreensis comunity at Jinkwannae-dong has the highest number of seedlings among all sites. The most abundant species were Lindernia procumbens in Jinkwannae-dong and Bam-sum and Typha re different from that of plant comunities such as Phragmites comunis community, Salix koreensis comunity, Persicaria thunbergii community, Phragmites japonica community, and Populus tomentiglandulosa community. However the dominant species of seed banks in Typha comunity was Typha spp. Total 63 species emerged in either the wet or submerged conditions. Fifty six species appeared in the wet condition and 25 in the submerged condition. Eighteen species appeared in both conditions. Numbers of species and individuals were much less in the submerged condition than in the wet condition but free-floating hydrophytes including Rorippa islandicaMonochoria vaginalis appeared only in the submerged condition. In the investigation of soil seed bank by distance from water edge (Bamsum), water side 3 (300~350m from water) edge, where water level is fluctuating frequently, has the highest number of seedlings.

keywords: Ecological preservation areas, Germination, Seedling emergence method, Soil seed bank, Wetland, Ecological preservation areas, Germination, Seedling emergence method, Soil seed bank, Wetland

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Article Contents

Vol.28 No.5

Soil Seed Banks at Three Ecological Preservation Areas in Seoul

Abstract

Reference

Journal of Ecology and Environment