Impact of water depth and sediment type on root morphology of the submerged plant Vallisneria natans

摘要: The environment of Lake Taihu has changed a great deal in recent decades. Wetland plant restoration is considered an efficient way to keep it healthy. However, efforts are affected by environmental factors which have important influences on wetland growth. In order study the mutual effects water depth and sediment type growth aquatic plants, impacts two root morphology submerged Vallisneria natans were investigated outdoor pond experiment. Treatments included three levels (60, 120 180 cm) types (clay sandy loam). Results showed that root/leaf mass ratio morphological parameters (root diameter, length, area, volume, specific length area) generally decreased with increasing depth, reductions 12.64% diameter 97.40% clay 28.82% 97.98% volume sandy...