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Table 2 Comparisons of numbers of seeds of the main species detected in soil seedbanks from two plant community types, either dominated by annuals or perennials, within the drawdown zone of the Soyangho Reservoir, South Korea. The elevations of the sampled communities and the Sorensen Similarity Indices calculated between the composition of the seedbank and their respective plant communities presented

From: Vertical and longitudinal variations in plant communities of drawdown zone of a monsoonal riverine reservoir in South Korea

Soil seedbank Plant community
Annual Perennial
Persicaria trigonocarpa Bidens frondosa Persicaria nodosa Total (mean ± SE) Carex orbicularis var. brachylepis Scirpus radicans Phalaris arundinacea Total (mean ± SE)
No. of seeds (m−2) 68,917 6583 19,417 31,639 ± 19,004a 10,750 24,833 7083 14,222 ± 5410a
No. of species 11 11 9 10.3 ± 0.7a 14 11 9 11.3 ± 1.5a
Sorensen Similarity (%) 50.0 28.6 31.6 36.7 ± 6.7a 16.7 10.0 23.5 16.7 ± 3.9b
Elevation (m a.s.l.) 169 172 166 169.0 ± 1.7a 186 188 181 185.0 ± 2.1b
  1. a, bThe different superscripts between values of the annual and perennial communities indicate the significant difference at α=0.05 by t test