RIPARIAN PLANTS IN URABNIZATION OF KHONG-RANGSIT PAYULSAK, PATHUM THANI PROVINCE
The main cause of impact on biological diversity is land use change. The area along the Rangsit canal is the area to support the expansion of Bangkok. In addition to the problems of river bank erosion have been increased every year. Riparian plants are part of the maintenance of subsidence of the river bank. Therefore, this research explores the diversity of species of riparian plants at Klong Rangsit Prayoonsak in 32 samples in Pathum Thani province. The systematic surveying is line transect sampling, size 1 x 1 meter, and analyze including density, frequency, relative dominance, and important value index (IVI). 44 plants 17 families were found, and the top 5 riparian plants were Brachiaria mutica (Forssk.) Stapf, Cyperus mitis Steud, Alternanthera philoxeroides (Mart.) Griseb, Cleome rutidosperma DC. and Boerhavia diffusa L., respectively. The results found that the urbanization affects the number of species of riparian plants, which the number of species were decrease according to the density of habitat.
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