Diversity of Blue-Green Algae and Green Algae in the Deciduous Dipterocarp Forest at Huai Kha Khang Wildlife Sanctuary

บทคัดย่อ

Study on diversity of blue-green algae and green algae was carried out in Deciduous Dipterocarp Forest at Huai Kha Khang Wildlife Sanctuary. Samples were collected from nine spots in representative plot of 100x100 square meter during rainy, winter and summer. They were divided into two parts and the first part was immediately observed under microscope to study the morphological characteristics while the second portion was enriched with NS III medium and incubated for approximately one month prior to microscopic observation. Based on information obtained 18 genera of blue-green algae and 31 genera of green algae were identified. Distribution of blue-green algal genera was varied in different seasons, i.e. 18 in rainy season, 9 in winter and 14 in summer. Similar pattern was also noticed among green algae, i.e. 27 genera in rainy, 13 genera in winter and 13 genera in summer. Predominant blue-green algae were Oscillatoria and Lyngbya, while green algae were Chlorella and Ulothrix.