Seed fall and field germination of needlerush, Juncus effusus L.
作者： Gary N. Ervin , Robert G. Wetzel
DOI: 10.1016/S0304-3770(01)00190-5
关键词: Growing season 、 Wetland 、 Biomass (ecology) 、 Botany 、 Germination 、 Juncus 、 Biology 、 Dry weight 、 Agronomy
摘要: Abstract Juncus effusus seed fall during one growing season was determined by use of traps in a freshwater emergent wetland. These observations provided situ estimates ∼4.0 million seeds per square m within the season, only 5% which germinated 3-month field study, presumably because unfavorable environmental conditions. Estimated biomass collected this study (29 g ash-free dry mass/m2) represents 0.27% J. annual net production, despite large numbers produced.
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