Table 1.

The parameters of Trophic State Index based on zooplankton (Ejsmont-Karabin 2012; Ejsmont-Karabin and Karabin 2013), total phosphorus, chlorophyll a and water transparency (the results were published—Rosińska et al. 2015) and parameters of trophic state based on zooplankton abundance (¹Andronikova 1996; ²Haberman and Haldna 2014)

	Parameter with formula	B	R1	R2	R3
	Rotifera
1	Rotifer numbers (N, ind. L−1) TSIROT1 = 5.38 ln(N) + 19.28	66.73	65.98	72.65	64.59
2	Total biomass of rotifer community (B, mg w.wt. L−1) TSIROT2 = 5.63 ln(B) + 64.47	70.35	64.83	73.81	68.55
3	Percentage of bacterivores in total rotifer numbers (BAC, %) TSIROT3 = 0.23 BAC + 44.30	57.56	61.21	61.24	57.56
4	Percentage of the tecta form in the population of Keratella cochlearis (TECTA, %) TSIROT4 = 0.187 TECTA + 50.38	68.54	66.99	68.57	61.85
5	Ratio of biomass to numbers (B/N, mg w.wt. ind.−1) TSIROT5 = 3.85 (B/N)−0.318	45.63	59.62	53.27	44.51
6	Contribution of species which indicate high trophic state in the indicatory group’s number (IHT, %) TSIROT6 = 0.203 IHT + 40.0	60.18	60.20	60.29	60.06
	TSIROT	61.50	63.14	64.97	59.52
	Trophy based on zooplankton (55–65—eutrophy)	Eutrophy
	Carlson’s Trophic State Index
1	TSITP	73.86	75.94	74.47	68.77
2	TSIChl	70.09	62.03	59.09	66.19
3	TSISD	61.35	56.43	57.37	56.79
	TSI mean value	70.80	65.60	65.20	66.40
	Trophy based on physicochemical parameters (50–70—eutrophy)	Hypertrophy	Eutrophy
	Parameters based on zooplankton abundance
1	The proportion of Rotifera and Cladocera in total numbers1	54	63	245	19
2	The ratio of numbers of Cladocera to numbers of Copepoda—NClad/NCop1	0.29	0.10	0.21	0.42
3	Rotifer abundance (ind. L−1)2	6761	5882	20,334	4545
4	The percentage share of rotifers in total zooplankton abundance2	92.48	84.87	97.68	84.60
5	The ratio of crustaceans abundance to rotifer abundance NCrust/NRot2	0.08	0.18	0.02	0.18