Lake İznik | Lake Manyas | SWQMR Classification | |||||||
---|---|---|---|---|---|---|---|---|---|
I1 | I2 | I3 | M1 | M2 | M3 | Class I | Class II | Class III | |
Water temperature (°C) | 16.20 | 17.40 | 16.80 | 15.40 | 19.30 | 18.90 | |||
pH | 7.80 | 7.90 | 8.00 | 7.40 | 7.60 | 7.90 | 6-9 | 6-9 | 6-9 |
Conductivity (µS cm−1) | 820 | 720 | 850 | 320 | 425 | 390 | <400 | 1000 | >1000 |
Dissolved oxygen (mg O2 l−1) | 6.20 | 7.30 | 8.10 | 4.50 | 5.25 | 5.75 | >8 | 6 | <6 |
Biological oxygen demand (mg l−1) | 14.60 | 11.20 | 7.96 | 16.50 | 18.23 | 15.32 | <4 | 8 | >8 |
Ammonium nitrogen (mg NH4+-N l−1) | 0.19 | 0.18 | 0.05 | 0.06 | 0.06 | 0.08 | <0.2 | 1 | >1 |
Nitrate nitrogen (mg NO3−-N l−1) | 0.11 | 0.13 | 0.10 | 0.13 | 0.15 | 0.13 | <3 | 10 | >10 |
Total phosphorus (mg P l−1) | 0.09 | 0.17 | 0.12 | 0.10 | 0.13 | 0.09 | <0.08 | 0.2 | >0.2 |
Bacteriological Parameters | |||||||||
Total fecal coliforms | 200 | 200 | 200 | 460-1100 | >1100 | 460-1100 | |||
Total coliforms | 20000 | 20000 | 20000 | 50000-90000 | >95000 | 50000-90000 | |||
Metrics and Indices | |||||||||
Abundance (ind. m−2) | 282.00 | 226.00 | 126.00 | 304.00 | 136.00 | 107.00 | |||
Number of taxa | 21.00 | 23.00 | 21.00 | 14.00 | 17.00 | 10.00 | |||
Average score per taxon | 5.06 |
4.95 |
5.00 |
4.00 |
4.79 |
4.13 |
|||
BMWP score | 80.00 |
85.00 |
81.00 |
43.00 |
63.00 |
28.00 |
|||
Shannon-Wiener index | 2.75 | 2.65 | 2.89 | 1.84 | 2.22 | 1.66 | |||
Margalef index | 3.55 | 4.06 | 4.14 | 2.27 | 3.26 | 1.93 | |||
Evenness | 0.90 | 0.85 | 0.95 | 0.70 | 0.78 | 0.72 | |||
EPT (%) | 30.85 | 30.53 | 22.22 | 7.24 | 9.56 | 1.87 | |||
Chironomidae (%) | 18.09 | 6.19 | 16.67 | 17.11 | 14.71 | 15.89 | |||
Oligochaeta (%) | 8.16 | 20.35 | 6.35 | 47.70 | 41.18 | 51.40 |
Station | Lake İznik | Lake Manyas | ||||||
---|---|---|---|---|---|---|---|---|
I1 | I2 | I3 | M1 | M2 | M3 | |||
Latitude and longitude coordinates |
29.357483- |
29.541077- |
29.692871- |
27.934875- |
27.989685- |
28.035095- |
||
Depth (m) | 3 | 6 | 2.4 | 2 | 4 | 1 | ||
Vegetation | sa, r | - | sa | sa, r | - | sa, r | ||
Substratum | m, p | m | m,s | m,s | m | m,s | ||
Dominance % | Mean dominance % | Dominance % | Mean dominance % | |||||
18.8 | 15.04 | 17.46 | 17.10 | 8.23 | 6.62 | 6.54 | 7.13 | |
Lymnaeidae | 4.26 | 1.77 | 4.76 | 3.60 | 1.32 | 1.47 | - | 0.93 |
Physidae | 6.03 | 3.54 | 5.56 | 1.40 | 6.91 | 3.68 | 5.61 | 0.31 |
Hydrobiidae | - | 1.77 | 2.38 | 5.00 | - | - | 0.93 | 5.40 |
Valvatidae | 8.51 | 7.96 | 4.76 | 7.10 | - | 1.47 | - | 0.49 |
Dreissenidae | - | 5.31 | 5.56 | 3.60 | 9.21 | 6.62 | 8.41 | 8.08 |
Naididae | 6.12 | 5.15 | 4.23 | 5.20 | 20.6 | 15.18 | 30.40 | 22.06 |
Tubificidae | 2.04 | 15.2 | 2.12 | 6.50 | 27.1 | 26.00 | 21.00 | 24.70 |
Erpobdellidae | - | - | - | - | 1.64 | - | 6.54 | 2.73 |
28.01 | 29.64 | 19.84 | 25.83 | 5.26 | 9.56 | 1.87 | 5.56 | |
Caenidae | 5.67 | 7.96 | 6.35 | 6.70 | 2.96 | - | - | 0.99 |
Baetidae | 19.86 | 19.03 | 11.90 | 16.90 | 2.30 | 8.09 | - | 3.46 |
Heptageniidae | 2.48 | - | 1.59 | 1.40 | - | 1.47 | - | 0.49 |
Ephemerellidae | - | 2.65 | - | 0.90 | - | - | 1.87 | 0.62 |
5.32 | 10.17 | 15.87 | 10.45 | 2.30 | 5.89 | 3.74 | 3.98 | |
Platycnemididae | 2.84 | 5.31 | 3.17 | 3.80 | 1.97 | 2.21 | 3.74 | 2.64 |
Libellulidae | 0.71 | - | 0.79 | 0.50 | - | 0.74 | - | 0.25 |
Coenagrionidae | - | 1.33 | 5.56 | 2.30 | 0.33 | - | - | 0.11 |
Calopterygidae | 1.77 | 0.88 | 6.35 | 3.00 | - | 2.94 | - | 0.98 |
Aeshnidae | - | 2.65 | - | 0.90 | - | - | - | - |
8.15 | 8.41 | 7.15 | 7.90 | 3.62 | 7.36 | 5.61 | 5.53 | |
Gerridae | 5.67 | 3.54 | 5.56 | 4.90 | 3.62 | 3.68 | 5.61 | 4.30 |
Micronectidae | - | 3.10 | 1.59 | 1.60 | - | - | - | - |
Nepidae | 2.48 | 1.77 | - | 1.40 | - | 3.68 | - | 1.23 |
2.84 | 0.88 | 6.35 | 3.36 | |||||
Dytiscidae | 1.42 | - | 6.35 | 2.60 | - | - | - | - |
Hydrophilidae | 1.42 | 0.88 | - | 0.80 | - | - | - | - |
19.52 | 6.19 | 16.66 | 14.12 | 17.1 | 14.71 | 15.88 | 15.90 | |
Tanypodinae | 8.87 | - | 2.38 | 3.70 | - | 4.41 | - | 1.47 |
Diamesinae | 2.13 | 0.88 | - | 1.00 | - | - | - | - |
Ortocladiinae | 2.84 | 2.21 | 9.52 | 4.90 | 2.30 | - | 2.80 | 1.70 |
Chironominae | 4.26 | - | 4.76 | 3.00 | 14.80 | 6.62 | 13.08 | 11.50 |
Tanytarsini | - | 3.10 | - | 1.00 | - | 3.68 | - | 1.23 |
Simuliidae | 1.42 | - | - | 0.50 | - | - | - | - |
2.84 | 0.88 | 2.38 | 2.00 | 1.97 | - | - | 0.66 | |
Hydropsychidae | 2.84 | - | 2.38 | 1.70 | 1.97 | - | - | 0.66 |
Hydroptilidae | - | 0.88 | - | 0.30 | - | - | - | - |
Asellidae | - | 1.33 | - | 0.40 | 2.96 | 2.94 | - | 1.97 |
Gammaridae | 6.38 | 1.77 | 2.38 | 3.50 | - | 5.15 | - | 1.72 |