Mangrove Rehabilitation on Highly Eroded Coastal Shorelines at Samut Sakhon, Thailand

Table 5

Results of phytoplankton (cell L⁻¹) measurement conducted in April 2001, December 2001, and June 2002.

			Density of phytoplankton (cell L^−1)
			April 2001		December 2001		June 2002
Phytoplankton group	No.	Genera	ST1	ST4	ST1	ST4	ST4
	1	Anabaenopsis	397
	2	Oscillatoria	1,008	336			225
Blue green algae	3	Gloeocapsa	14,463
	4	Lyngbya		140
	5	Spirulina	117				24
	1	Gonatozygon	332
Green algae	2	Schroederia	91	14
	3	Staurastrum	117
	1	Skeletonema	2,581	462			7,125
	2	Coscinodiscus	11,427	742	827	22	18
	3	Dactyliosolen				11	33
	4	Rhizosolenia	468	882	30,645	8,974	1,410
	5	Bacteriastrum				33	13,688
	6	Chaetoceros	273		7,425	22,000	8,250
	7	Odontella			281	28	51
	8	Thalassionema			6,210	72	1,185
	9	Gyrosigma			146		27
	10	Navicula	163	252	11	44
	11	Nitzschia	345
	12	Pseudonitzschia			17,145	35,132
Diatoms	13	Campylodiscus			11
	14	Dictyocha					3
	15	Noctiluca					1,050
	16	Ceratium					105
	17	Alexandrium					6
	18	Fragilaria	137	238
	19	Eucampia			11	6
	20	Melosira	245
	21	Hemiaulus			11	44
	22	Pleurosigma	124	98	114
	23	Pseudosolenia				550
	24	Thalassiosira				6
	25	Stephanodiscus	98