Study on plant type by a survey of water throughout each season. Record type plants discovered a life (life form) season. Collect plant samples to recognize in the laboratory.
Studies by surveying plants throughout the areas of water each season. Found a kind of plant life (life form) season crop samples to be classified in the laboratory.
Study of plant species by survey over the water in each season, save plant species found รูปชี life (life form) season, plant samples were collected to be classified in the laboratory.