沉水植物群落是指整个植株都生活于水中，只在花期将花及少部分茎叶伸出水面的水生植物。
水盾草在所调查的大部分沉水植物群落中基本上为优势种或共优种，并且其优势度与物种数呈显著负相关。
Cabomba had been the dominant or co-dominant species in the most investigated submerged plant communities, and its dominance negatively correlated with the number of species markedly.
报道了滇池15个监测断面透明度和不同水深的光照强度，以及借助于沉水植物群落昼夜光补偿点所得到的沉水植物光补偿深度。
Studies were made on the transparency, the vertical distribution of light intensities and the light compensation depth of submerged macrophyte at the 15 monitoring sections in Lake Dianchi.
水生高等植物群落的优化，特别是沉水植物的恢复，是建立稳定健康的水生态系统的必要条件。
An optimization of the community of the aquatic higher plants is necessary to construct a steady water ecosystem, especially for the recovery of the submerged plants.
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