The Effects of Paddlewheel Aeration on the Pond Production of Associated Natural Food Organisms under the Monoculture System of Macrobrachium rosenbergii (de Man)

Appendix 1. Phytoplankton abundance (x 1000 plankter/liter) in the ponds during experiment period.

Date 1985 – 1986	Organisams group	With Paddle Wheel			Without Paddle Wheel
Date 1985 – 1986	Organisams group	Pond 1	Pond 2	Average	Pond 1	Pond 2	Average
09-Dec-85	Chlorophyta	15	30	23	48	279	164
	Chrysophyta	35	69	52	36	231	134
	Cyanophyta	12	31	21	16	14	15
	Euglenophyta	7	2	5	8	6	7
	Phyrophyta	0	0	0	0	0	0
	Total	69	132	100	108	529	318

24-Dec-85	Chlorophyta	279	43	161	48	23	35
	Chrysophyta	37	67	52	61	32	47
	Cyanophyta	12	22	17	25	51	38
	Euglenophyta	1	0	0	2	1	2
	Phyrophyta	0	0	0	0	0	0
	Total	329	132	230	135	107	121

07-Jan-86	Chlorophyta	36	27	31	105	11	58
	Chrysophyta	163	197	180	95	81	88
	Cyanophyta	56	109	83	99	30	64
	Euglenophyta	2	0	1	2	0	1
	Phyrophyta	0	1	1	1	0	1
	Total	257	334	295	301	121	211

21-Jan-86	Chlorophyta	770	175	472	67	120	93
	Chrysophyta	93	54	73	103	141	122
	Cyanophyta	27	29	28	7	33	20
	Euglenophyta	4	5	4	0	6	3
	Phyrophyta	3	21	12	1	5	3
	Total	896	282	589	178	303	240

04-Feb-86	Chlorophyta	45	21	33	15	316	165
	Chrysophyta	215	61	138	46	205	126
	Cyanophyta	705	681	693	178	452	315
	Euglenophyta	0	3	2	10	17	13
	Phyrophyta	6	16	11	11	42	27
	Total	971	781	876	259	1032	645

18-Feb-86	Chlorophyta	50	73	62	52	452	252
	Chrysophyta	33	76	54	79	340	209
	Cyanophyta	143	553	348	566	1402	984
	Euglenophyta	13	57	35	19	59	39
	Phyrophyta	0	31	16	19	49	34
	Total	238	789	514	735	2301	1518

04-Mar-86	Chlorophyta	75	90	82	89	53	71
	Chrysophyta	164	229	196	216	209	213
	Cyanophyta	1478	2259	1868	4041	2333	3187
	Euglenophyta	27	8	18	41	6	24
	Phyrophyta	0	2	1	5	1	3
	Total	1744	2586	2165	4391	2602	3496

18-Mar-86	Chlorophyta	175	160	167	27	39	33
	Chrysophyta	485	750	617	76	82	79
	Cyanophyta	3451	28102	15776	513	2364	1438
	Euglenophyta	138	100	119	4	7	5
	Phyrophyta	0	0	0	2	0	1
	Total	4248	29111	16680	621	2491	1556

02-Apr-86	Chlorophyta	1421	319	870	1797	188	992
	Chrysophyta	414	468	441	831	427	629
	Cyanophyta	4666	2360	3513	14702	3800	9251
	Euglenophyta	32	49	40	35	31	33
	Phyrophyta	28	28	28	5	0	2
	Total	6560	3223	4892	17369	4445	10907

15-Apr-86	Chlorophyta	233	210	221	410	187	299
	Chrysophyta	341	603	472	95	414	255
	Cyanophyta	4768	16796	10782	4091	14911	9501
	Euglenophyta	108	151	130	82	73	77
	Phyrophyta	0	0	0	0	0	0
	Total	5450	17759	11604	4678	15584	10131

29-Apr-86	Chlorophyta	87	10617	5352	56	295	175
	Chrysophyta	402	4424	2413	3439	295	1867
	Cyanophyta	9862	27574	18718	23551	5087	14319
	Euglenophyta	465	1770	1117	181	1475	828
	Phyrophyta	0	0	0	0	0	0
	Total	10815	44384	27600	27227	7152	17189

13-May-86	Chlorophyta	811	590	700	369	442	406
	Chrysophyta	885	1327	1106	295	885	590
	Cyanophyta	12829	17768	15299	15335	12239	13787
	Euglenophyta	369	811	590	295	73	184
	Phyrophyta	0	0	0	0	0	0
	Total	14893	20496	17695	16294	13639	14966

27-May-86	Chlorophyta	221	1622	922	516	295	406
	Chrysophyta	516	442	479	369	442	406
	Cyanophyta	11649	10543	11096	8921	20449	14685
	Euglenophyta	369	1032	700	811	221	516
	Phyrophyta	0	0	0	0	0	0
	Total	12755	13640	13197	10617	21408	16012

10-Jun-86	Chlorophyta	172	92	132	274	159	216
	Chrysophyta	305	217	261	360	480	420
	Cyanophyta	4857	9783	7320	15198	20053	17626
	Euglenophyta	22	174	98	130	205	168
	Phyrophyta	1	2	1	0	0	0
	Total	5356	10267	7811	15962	20897	18429

Appendix 2 Dominant phytoplankton group in the experimental ponds comprising at least 50 percent of total algae biomass

Date 1985–1986	With Paddle Wheel		Without Paddle Wheel
Date 1985–1986	Pond 1	Pond 2	Pond 1	Pond 2
9 Dec.	Chrysophyta	Chrysophyta	Chlorophyta	Chlorophyta
24 Dec.	Chlorophyta	Chrysophyta	Chrysophyta	Cyanophyta
7 Jan.	Chrysophyta	Chrysophyta	Chlorophyta	Chrysophyta
21 Jan.	Chlorophyta	Chlorophyta	Chrysophyta	Chrysophyta
4 Feb.	Cyanophyta	Cyanophyta	Cyanophyta	Cyanophyta
18 Feb.	Cyanophyta	Cyanophyta	Cyanophyta	Cyanophyta
4 Mar.	Cyanophyta	Cyanophyta	Cyanophyta	Cyanophyta
18 Mar.	Cyanophyta	Cyanophyta	Cyanophyta	Cyanophyta
2 Apr.	Cyanophyta	Cyanophyta	Cyanophyta	Cyanophyta
15 Apr.	Cyanophyta	Cyanophyta	Cyanophyta	Cyanophyta
29 Apr.	Cyanophyta	Cyanophyta	Cyanophyta	Cyanophyta
13 May	Cyanophyta	Cyanophyta	Cyanophyta	Cyanophyta
27 May	Cyanophyta	Cyanophyta	Cyanophyta	Cyanophyta
10 Jun.	Cyanophyta	Cyanophyta	Cyanophyta	Cyanophyta

Appendix 3. Dominant phytoplankton genera (comprising at least 10% of the total algal biomass, in order to decreasing abundance from left to right) in Pond no. 1 with paddle wheel as a treatment

Date	Phytoplankton genera
9 Dec. 85	Navicula	Closterium	Oscillatoria	Gyrosigma
24 Dec. 85	Protococcus	Sporastrum
7 Jan. 86	Navicula	Cyclotella	Anabaena
21 Jan. 86	Crucigenia
4 Feb. 86	Oscillatoria	Merismopodia	Synedra
18 Feb. 86	Oscillatoria
4 Mar. 86	Oscillatoria
18 Mar. 86	Oscillatoria
2 Apr. 86	Oscillatoria	Cosmarium
15 Apr. 86	Oscillatoria
29 Apr. 86	Oscillatoria	Lyngbya
13 May 86	Oscillatoria	Merismopodia	Synedra	Closterium
27 May 86	Oscillatoria	Merismopodia	Euglena
10 Jun. 86	Oscillatoria

Appendix 4. Dominant phytoplankton genera (comprising at least 10% of the total algal biomass, in order of decreasing abundance from left to right) in Pond no. 2 with paddle wheel as a treatment.

Date	Phytoplankton genera
9 Dec. 85	Navicula	Oscillatoria	Synedra	Closterium
24 Dec. 85	Cyclotella	Navicula	Protococcus	Oscillatoria
7 Jan. 86	Navicula	Chroococcus	Cyclotella
21 Jan. 86	Dispora	Protococcus	Oscillatoria	Navicula	Ceratium	Cyclotella
4 Feb. 86	Oscillatoria	Merismopodia
18 Feb. 86	Oscillatoria
4 Mar. 86	Oscillatoria
18 Mar. 86	Oscillatoria
2 Apr. 86	Merismopodia	Oscillatoria
15 Apr. 86	Oscillatoria
29 Apr. 86	Oscillatoria	Closterium	Anabaena	Lyngbya
13 May 86	Oscillatoria	Morismopodia
27 May 86	Oscillatoria	Closterium
10 Jun. 86	Oscillatoria

Appendix 5. Dominant phytoplankton genera (comprising at least 10% of the total algal biomass, in order to decreasing abundance from left to right) in Pond no.1 without paddle wheel as treatment.

Date	Phytoplankton genera
9 Dec. 85	Navicula	Dispora	Oscillatoria	Cosmarium
24 Dec. 85	Navicula	Protococcus	Oscillatoria	Cyclotella
7 Jan. 86	Oscillatoria	Navicula	Dispora
21 Jan. 86	Navicula	Crucigenia	Cyclotella
4 Feb. 86	Oscillatoria	Merismopodia
18 Feb. 86	Oscillatoria	Merismopodia
4 Mar. 86	Oscillatoria
18 Mar. 86	Oscillatoria
2 Apr. 86	Oscillatoria
15 Apr. 86	Oscillatoria	Lyngbya	Merismopodia
29 Apr. 86	Oscillatoria	Merismopodia	Synedra
13 May 86	Oscillatoria
27 May 86	Oscillatoria	Merismopodia
10 Jun. 86	Oscillatoria

Appendix 6. Dominant phytoplankton genera (comprising at least 10% of the total algal biomass, in order of decreasing abundance from left to right) in Pond No. 2 without paddle wheel as treatment.

Date	Phytoplankton genera
9 Dec. 86	Dispora	Navicula
24 Dec. 86	Merismopodia	Oscillatoria	Dinobryon
7 Jan. 86	Navicula	Oscillatoria
21 Jan. 86	Navicula	Protococcus	Oscillatoria
4 Feb. 86	Merismopodia	Protococcus
18 Feb. 86	Oscillatoria	Merismopodia	Cosmarium
4 Mar. 86	Oscillatoria
18 Mar. 86	Oscillatoria
2 Apr. 86	Oscillatoria
15 Apr. 86	Oscillatoria
29 Apr. 86	Oscillatoria	Euglena	Lyngbya
13 May 86	Oscillatoria
27 May 86	Oscillatoria
10 Jun. 86	Oscillatoria

Appendix 7. Genera composition of phytoplankton in Pond no. 1 with paddle wheel as a treatment. Subjective assessment: +++ = dominan, about 50%; ++ = common, about 5–49%; + = observed less that 5%; - = absence.

Organisms	Date 1985–1986
Organisms	9 Dec.	24 Dec.	7 Jan.	21 Jan.	4 Feb.	18 Feb.	4 Mar.	18 Mar.	2 Apr.	15 Apr.	29 Apr.	13 May.	27 May	10 June
(1)	(2)	(3)	(4)	(5)	(6)	(7)	(8)	(9)	(10)	(11)	(12)	(13)	(14)	(15)
CHLOROPHYTA

Ankistrodesmus	-	+	-	-	-	-	+	-	-	-	-	-	-	+
Closterium	++	-	-	+	-	++	+	+	++	+	+	++	+	+
Coelastrum	-	-	-	-	-	-	-	-	-	-	+	-	+	-
Cosmarium	-	+	++	-	+	++	+	+	++	+	-	+	-	+
Crucigenia	-	+	+	+++	+	+	-	+	+	+	-	+	-	-
Desmidium	-	-	-	-	+	-	-	-	-	-	+	-	-	-
Dispora	-	-	+	+	+	-	-	-	-	-	-	-	-	-
Golenkinia	-	-	+	-	-	-	-	-	-	-	-	-	-	-
Hormidium	-	+	-	-	-	-	-	-	-	-	-	-	-	-
Oocystis	-	-	-	-	+	-	-	+	+	-	-	+	-	+
Pediastrum	++	-	-	-	-	-	+	-	-	-	-	-	-	+
Planktosphaeria	-	+	-	-	-	-	-	-	-	-	-	-	-	-
Protococcus	-	+++	+	++	+	-	-	-	-	-	-	-	-	-
Scenedesmus	-	-	+	+	+	+	-	+	+	+	+	+	+	+
Spirogyra	+	+	-	-	-	-	-	-	-	-	-	-	-	-
Sporatium	-	++	-	-	-	-	-	-	-	-	-	-	-	-
Staurastrum	-	-	-	-	-	-	+	+	+	-	-	-	-	+
Ulothrix	-	-	-	-	-	-	+	-	-	-	-	-	-	-
Volvox	-	-	-	-	-	-	-	-	-	+	-	-	-	-

EUGLENOPHYTA

Euglena	++	-	+	+	-	+	+	+	+	+	+	++	+	+
Lepocinclis	-	+	-	-	-	-	-	-	-	-	-	-	-	-
Phacus	+	-	-	+	-	+	+	+	+	-	+	-	-	+

PHYROPHYTA

Ceratium	-	-	-	+	+	-	-	-	+	-	-	-	-	+

CRYSOPHYTA

Amphora	-	-	-	+	-	-	-	-	-	-	-	-	-	-
Chlorobotrys	-	-	+	-	-	-	-	-	-	-	-	-	-	-
Cyclotella	+	++	++	+	+	+	+	+	-	-	-	-	-	-
Cymbella	-	-	+	+	-	-	-	+	-	-	-	-	-	-
Dinobryon	-	-	+	+	+	-	-	+	-	-	-	-	-	-
Eunotia	-	-	-	-	-	-	-	+	-	-	-	-	-	-
Fragillaria	-	-	-	-	-	+	-	-	-	-	-	-	-	-
Frustilia	-	-	-	-	-	-	-	+	-	-	-	-	-	-
Gomphoneis	-	-	+	-	-	-	-	-	-	-	-	-	-	-
Gyrosigma	++	+	-	-	-	-	-	-	+	-	-	-	-	-
Navicula	++	+	++	+	+	+	+	+	+	+	+	+	+	+
Nitzschia	-	-	+	-	-	+	-	+	-	-	-	-	-	-
Pinnularia	+	-	-	-	-	-	-	-	+	-	-	-	-	-
Phopalodia	-	+	-	-	-	-	-	-	-	-	-	-	-	-
Surirella	-	-	-	-	-	+	-	-	-	-	-	-	-	-
Synedra	-	-	-	+	++	++	++	+	+	+	+	++	+	+

CYANOPHYTA

Anabaena	+	+	++	-	-	+	+	+	+	+	+	-	-	-
Chroococcus	-	-	-	-	-	-	+	-	-	-	-	-	-	-
Lyngbya	-	-	-	-	-	-	+	-	+	+	-	-	-	-
Merismopodia	-	-	-	-	++	+	+	+	+	+	+	++	++	+
Nodularia	-	-	-	-	-	-	+	-	-	+-	+	-	-	-
Oscillatoria	++	+	++	+	+++	+++	+++	+++	+++	+++	+++	+++	+++	+++
Spirulina	-	+	-	-	-	-	+	+	+	+	+	+	-	+