Net primary production of Numphoides peltata (Gmel.) O. Kuntze growing on Sandy sediment at Edosaki-iri Bay in Lake Kasumigaura, Japan.
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The seasonal maximum biomass of <I>Nymphoides peltata</I> growing on sandy sediment at the littoral zone of Edosaki-iri Bay in Lake Kasumigaura was only 47.6 g dry weight·m<SUP>-2</SUP> in late September. Leaf life span was 28 days and thus biomass turnover rate was estimated as 3.4 for 200 days, comparable with those reported for floating-leaved plants and much higher than other herbaceous plants. The yearly net production per unit ground area was estimated at 182 g dry weight·m<SUP>-2</SUP>. This value is smaller than that reported for phytoplankton at the same site and for floating-leaved plants growing at other regions of this lake.
- 日本陸水学会の論文
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