The Relationship of Vegetation and Environmental factors in Wangsuk Stream and Gwarim Reservoir: I. Water Environments
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Abstract
Understanding the relation of water environmental factors and vegetation is critical to restorationand management of wetlands. To reveal relationships between representative plant groups and water environments, we measured cover and abundance of plant species, water depth, temperature, pH, conductivity, dissolved oxygen, NH4-N, NO3-N, and PO4-P concentration in water in Wangsuk stream (WS) and Gwarim reservoir (GR). This study was conducted monthly from May to October, 2004. Six vegetation groups (W1~W6) in WS and five vegetation groups (G1~G5) in GR were identified using TWINSPAN. WS was characterized by Phragmites japonica, Digitaria sanguinalis, Phalaris arundinacea, Beckmannia syzigachne and Persicaria hydro-piper, Persicaria thunbergii, Typha angustifolia. GR was characterized by T. angustifolia, Scirpus tabernaemontani, P. thunbergi, Humulus japonicus and Scirpus fluviatilis, Typha orientalis, Zizania latifolia. The vegetation in WS major environmental factor influencing the distribution of most plants communities in both wetlands.
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