Periphyton Biomass

Location: Necker Aachsaege (47 21 49.99 N   9 07 24.54 E)

Column 1: Date
Column 2: Ash-free dry mass g/m2 (average, n=9)
Column 3: Ash-free dry mass standard deviation
Column 4: Chlorophyll a mg/m2 (average, n=9)
Column 5: Chlorophyll a standard deviation

27 February 1989	28.31	8.92	288.63	94.32
13 March 1989	31.20	13.02	352.24	167.53
3 April 1989	43.16	19.36	282.16	98.00
17 April 1989	38.69	11.21	227.46	61.71
26 April 1989	45.85	25.34	262.38	155.77
16 May 1989	57.18	29.59	423.41	237.04
29 May 1989	98.89	55.51	501.91	275.22
13 June 1989	61.02	30.01	303.38	184.27
26 June 1989	42.30	23.30	183.49	96.83
10 July 1989	13.59	11.91	59.64	46.91
24 July 1989	5.09	5.89	23.05	26.55
7 August 1989	2.29	2.35	8.27	9.04
22 August 1989	2.26	1.46	11.83	9.25
6 September 1989	4.66	3.63	23.82	17.93
14 September 1989	6.45	8.89	37.30	49.97
2 October 1989	21.50	21.05	159.66	160.91
16 October 1989	14.62	13.26	86.75	92.27
30 October 1989	31.83	32.84	194.69	189.17
13 November 1989	22.46	20.87	162.62	165.75
28 November 1989	37.96	32.18	290.18	268.25
6 December 1989	39.39	43.27	278.51	315.40
20 December 1989	25.87	26.87	184.02	185.45
3 January 1990	28.25	24.64	225.36	210.97
23 January 1990	33.80	23.23	326.55	257.15
5 February 1990	28.97	23.57	257.28	230.55
20 February 1990	1.77	1.46	6.92	6.78
26. Februar 1990	3.04	2.81	12.13	12.14
13. March 1990	4.35	5.18	21.25	26.00
22. March 1990	7.65	3.78	51.16	30.29