Koroleva I.M. The status of whitefish population from Chuna Lake in the Lapland Biosphere Reserve Russia. International Journal of Environmental Research. 2008, V.2, №2, p. 111-124.

Int. J. Environ. Res., 2(2): 111-124, Spring 2008 Table 1.Air-borne industrial pollutants load on the Lake Chuna ecosystem (tones) during 1980 - 2001 years s o 42- Ni Cu Total average Total average annual Total average annual (1980-2001) annual (1980-2001) (1980-2001) Fallouts to 37700 1700 376.4 17.1 412.9 18.8 catchments, tons Hydro-chemical 22600 1027 225.8 10.3 247.7 11.3 drainage , tons Table 2.Some hydro-chemical indices for Lake Chuna (sampling sites: 1 - a feeding area, 2 - a spawning area) Point of sampling Date pH Alkalinity Meq/L Al ^g/L Fe Cu Ni Zn Mn Chuna Lake 1 (surface) 12.09.00 6.87 106 26 8.7 1.1 1.1 1.2 0.5 Chuna Lake 2 (surface) 12.09.00 6.90 106 56 45.6 1.2 1.4 0.6 2.3 Chuna Lake 1 (surface) 30.10.00 7.00 116 50 13.0 1.5 2.2 1.9 1.1 Chuna Lake 1 (surface) 18.12.00 7.00 135 76 23.0 1.7 1.9 2.0 0.5 Chuna Lake 1 (bottom) 18.12.00 6.84 117 32 20.0 1.3 1.5 0.7 0.3 Chuna Lake 1 (surface) 05.02.01 6.86 175 27 28.0 2.0 2.2 1.6 0.9 Chuna Lake 1 (bottom) 05.04.01 6.93 195 28 14.0 1.9 2.0 6.0 1.4 Chuna Lake 1 (surface) 10.05.01 5.96 9 12 12.0 1.1 1.9 1.1 0.1 Chuna River 25.05.01 6.96 144 38 38.0 1.4 2.2 1.2 3.1 Chuna Lake 1 (surface) 31.05.01 7.02 159 52 34.0 1.7 1.5 2.7 3.1 Chuna Lake 2 (surface) 31.05.01 7.02 165 42 39.0 1.5 2.2 2.2 2.9 Mkg/g 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0.0 C u oonoOo IO ЧО ЧО ЧО ЧО 40 0. 0. 0. .0 0. 0 .0 '— 1 ’ 1 '— 1 fO 40 СЛ ° «О 00 00 40 Mkg/g 25 20 15 10 n N i n. _, Д . n , Л n П IO ^ 40 40 40 40 40 0. 0. 0. .0 0. 0 .0 CO 40 cK ° «О 00 00 40 5 0 Fig. 2. Seasonal change in the weighted mean of the Cu and Ni concentration in Lake Gornoe in 1997 (Kashulin, et al., 2007) Table 3.The values of contamination factor (Cf) of bottom sediments in Lake Chuna Area Cu Ni west part of the lake 1.7 1.8 (spawning area) central part of the lake 1.5 1.9 east part of the lake (feeding area) 3.5 5.8 east part of the lake (feeding area, near Central administration of reserve) 10.4 29.2 115