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Table 7a. Sawgrass biomass in the flume, October, 1996 [Plants are 21 months old; layer in centimeters above the sediment/water interface; sample biomass in grams dry weight per square meter (gdw/m²); dead includes all dead material.]

Sample biomass (gdw/m²)
Sample designation ----	1A			1B			1C
Layer	Live	Dead	Total	Live	Dead	Total	Live	Dead	Total
60-90	103.41	19.73	123.14	143.30	36.10	179.40	105.85	25.04	130.89
40-60	63.65	25.26	88.91	133.26	59.35	192.60	100.75	63.36	164.12
20-40	87.76	87.83	175.60	115.68	104.77	220.45	77.43	84.82	162.25
0-20	143.88	242.91	386.79	128.16	177.96	306.13	123.86	128.24	252.09
Totals	398.70	375.74	774.43	520.40	378.18	898.58	407.88	301.46	709.35

Sample biomass (gdw/m²)
Sample designation ----	2A			2B			2C
Layer	Live	Dead	Total	Live	Dead	Total	Live	Dead	Total
60-90	43.34	5.09	48.44	93.22	43.85	137.06	24.18	8.68	32.87
40-60	40.19	7.61	47.79	93.50	72.33	165.84	25.40	22.96	48.37
20-40	31.07	30.57	61.64	79.37	78.58	157.94	16.50	42.19	58.70
0-20	29.85	44.63	74.49	97.74	72.41	170.14	17.94	137.56	155.50
Totals	144.45	87.91	232.36	363.82	267.16	630.99	84.03	211.40	295.44

Sample biomass (gdw/m²)
Sample designation ----	3A			3B			3C
Layer	Live	Dead	Total	Live	Dead	Total	Live	Dead	Total
60-90	75.92	34.88	110.80	28.92	5.74	34.66	161.60	34.44	196.05
40-60	67.88	34.37	102.26	29.78	9.47	39.25	113.02	53.25	166.27
20-40	57.84	44.71	102.55	25.12	65.37	90.49	99.75	76.71	176.46
0-20	69.32	139.21	208.53	44.13	181.55	225.69	108.93	177.89	286.82
Totals	270.97	253.17	524.14	127.95	262.14	390.09	483.30	342.30	825.60

Sample biomass (gdw/m²)
Sample designation ----	4A			4B			4C
Layer	Live	Dead	Total	Live	Dead	Total	Live	Dead	Total
60-90	96.59	23.18	119.77	46.14	17.72	63.87	28.56	9.04	37.60
40-60	88.19	30.79	118.98	39.83	22.32	62.14	22.03	7.10	29.13
20-40	68.60	39.04	107.64	54.82	41.91	96.73	27.13	40.33	67.45
0-20	73.77	126.01	199.78	56.91	70.76	127.66	26.12	49.01	75.13
Totals	327.15	219.01	546.17	197.70	152.71	350.40	103.84	105.49	209.32

Table 7b. Summary of sawgrass biomass in the flume, October, 1996 [Plants are 21 months old; layer in centimeters above sediment/water interface; sample biomass in grams dry weight per square meter (gdw/m²); SD = standard deviation; N = number of samples; dead includes all dead material.]

Layer	Average live biomass	SD	N	Average dead biomass	SD	Average total biomass	SD
60-90	79.25	45.93	12	21.96	13.23	101.21	56.82
40-60	68.12	37.41	12	34.01	22.79	102.14	58.30
20-40	61.76	31.94	12	61.40	24.49	123.16	53.31
0-20	76.72	46.57	12	129.01	60.92	205.73	93.51
Totals	285.85	152.61	12	246.39	96.66	532.24	238.15

Table 7c. Sawgrass biomass (leaves, culms, dead) in the flume, October, 1996 [Plants are 21 months old; layer in centimeters above sediment/water interface; sample biomass in grams dry weight per square meter (gdw/m²); dead includes all dead material.]

Sample biomass (gdw/m²)
Sample designation ----	1A			1B			1C
Layer	Leaves	Culms	Dead	Leaves	Culms	Dead	Leaves	Culms	Dead
60-90	86.47	16.94	19.73	121.13	22.17	36.10	94.51	11.34	25.04
40-60	48.44	15.21	25.26	99.03	34.23	59.35	81.23	19.52	63.36
20-40	39.61	48.15	87.83	42.91	72.76	104.77	40.97	36.45	84.82
0-20		143.88	242.91	4.45	123.71	177.96	14.57	109.29	128.24
total	24.32	224.18	375.74	267.52	24.32	378.18	231.28	176.60	301.46

Sample biomass (gdw/m²)
Sample designation ----	2A			2B			2C
Layer	Leaves	Culms	Dead	Leaves	Culms	Dead	Leaves	Culms	Dead
60-90	34.23	9.11	5.09	78.36	14.85	43.85	19.45	4.74	8.68
40-60	26.19	13.99	7.61	65.45	28.06	72.33	17.94	7.46	22.96
20-40	17.65	13.42	30.57	21.38	57.98	78.58	6.60	9.90	42.19
0-20	6.17	23.68	44.63	3.88	93.86	72.41	1.29	16.65	137.56
total	84.25	60.21	87.91	169.07	194.76	267.16	45.28	38.75	211.40

Sample biomass (gdw/m²)
Sample designation ----	3A			3B			3C
Layer	Leaves	Culms	Dead	Leaves	Culms	Dead	Leaves	Culms	Dead
60-90	69.32	6.60	34.88	27.05	1.87	5.74	141.80	19.81	34.44
40-60	49.66	18.23	34.37	27.13	2.66	9.47	80.08	32.94	53.25
20-40	16.15	41.69	44.71	16.36	8.75	65.37	43.06	56.69	76.71
0-20	4.45	64.87	139.21	6.53	37.60	181.55	18.37	90.56	177.89
total	139.57	131.39	253.17	77.07	50.88	262.14	283.31	200.00	342.30

Sample biomass (gdw/m²)
Sample designation ----	4A			4B			4C
Layer	Leaves	Culms	Dead	Leaves	Culms	Dead	Leaves	Culms	Dead
60-90	77.43	19.16	23.18	37.24	8.90	17.72	25.83	2.73	9.04
40-60	64.94	23.25	30.79	21.74	18.08	22.32	16.36	5.67	7.10
20-40	26.26	42.34	39.04	12.70	42.12	41.91	4.88	22.25	40.33
0-20	11.63	62.14	126.01	3.30	53.60	70.76		26.12	49.01
total	180.26	146.89	219.01	74.99	122.71	152.71	47.07	56.76	105.49

Table 7d. Summary of biomass (leaves, culms) in flume in October, 1996 [Plants are 21 months old; layer in centimeters above sediment/water interface; sample biomass in grams dry weight per square meter (gdw/m².]

Layer	Average leaves	SD	N	Average culms	SD
60-90	67.74	39.78	12	11.52	6.97
40-60	49.85	28.28	12	18.27	10.18
20-40	24.05	14.21	12	37.71	20.47
0-20	6.22	5.79	12	70.50	41.78
total	135.33	90.26	12	118.95	70.71

Table 7e. Descriptive information on flume vegetation, October, 1996 [Plants are 21 months old; layer in centimeters above the sediment/water interface; average width in millimeters.]

Layer	Large leaves		Medium leaves		Small leaves		Large culms		Small culms
Layer	Average # leaves/m²	Average width	Average # leaves/m²	Average width	Average # leaves/m²	Average width	Average # culms/m²	Average width	Average # culms/m²	Average width
60-90	6.0	9.7	180.0	6.3	70.6	3.9			35.9	4.7
40-60	5.4	10.8	166.8	6.9	56.2	4.0	3.6	10.9	33.5	5.9
20-40	7.2	11.6	83.7	7.4	19.1	4.1	19.1	11.5	22.1	8.0
0-20	13.8	9.9	13.8	8.3	0.6	3.0	40.7	15.2	7.2	8.8

Table 7f. Summary of leaves and culms in the flume, October, 1996 [Plants are 21 months old; layer in centimeters above the sediment/water interface; SD = standard deviation; N = number of samples.]

Layer	Total leaves/m²	SD	N	Total culms/m²	SD
60-90	256.5	125.16	12	35.9	19.11
40-60	228.4	113.33	12	37.1	17.26
20-40	110.0	60.92	12	41.3	18.64
0-20	28.1	20.17	12	47.8	24.35

Table 7g. Leaf area index by layer for the flume, October, 1996 [Leaf area index is calculated for live leaves and culms only; layer in centimeters above the sediment-water interface; see text for formulas.]

Layer	Leaf Area Index	Corrected Leaf Area Index
60-90	0.488	0.624
40-60	0.333	0.499
20-40	0.237	0.472
0-20	0.191	0.511
Total	1.248	2.106

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