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Does salinity affect body proportions and “size/mass” ratios of highly halotolerant Baeotendipes noctivagus larvae (Diptera, Chironomidae)?

Nickolai V. Shadrin
Nickolai V. Shadrin
, 
Victor P. Belyakov
Victor P. Belyakov
, 
Alexandra I. Bazhora
Alexandra I. Bazhora
 und 
Elena V. Anufriieva
Elena V. Anufriieva
   | 10. Dez. 2019
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Article Category: Research Article
Online veröffentlicht: 10. Dez. 2019
Seitenbereich: 305 - 315
Eingereicht: 23. März 2019
Akzeptiert: 17. Juni 2019
DOI: https://doi.org/10.2478/ohs-2019-0028
© 2019 Faculty of Oceanography and Geography, University of Gdańsk, Poland
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1

Distribution of Crimean water bodies surveyed in 2012– 2016
Distribution of Crimean water bodies surveyed in 2012– 2016

Figure 2

Relationship between the body length and width of the head capsule in B. noctivagus for all measured chironomid larvae in Crimean water bodies (triangles and squares represent values of two phenotypically separated groups of larvae)
Relationship between the body length and width of the head capsule in B. noctivagus for all measured chironomid larvae in Crimean water bodies (triangles and squares represent values of two phenotypically separated groups of larvae)

Figure 3

Relationship between salinity and the calculated width of the head capsule in 7 mm long larvae of B. noctivagus (triangles and squares represent values of two phenotypically separated groups of larvae in different salinity intervals)
Relationship between salinity and the calculated width of the head capsule in 7 mm long larvae of B. noctivagus (triangles and squares represent values of two phenotypically separated groups of larvae in different salinity intervals)

Figure 4

Relationship of the body length and width of the head capsule in C. gr. sylvestris for all measured chironomid larvae in Crimean water bodies (triangles and squares represent values of two phenotypically separated groups of larvae)
Relationship of the body length and width of the head capsule in C. gr. sylvestris for all measured chironomid larvae in Crimean water bodies (triangles and squares represent values of two phenotypically separated groups of larvae)

Crimean water bodies where samples were collected to measure chironomid larvae traits

Lake, date Coordinates Salinity, PSU Temperature,°C pH
Pond near the village of Chelyadinovo, 05.08.2012 45°12ʹ28ʹʹN; 36°21ʹ47ʹʹE 24 32 7.55
Lake Yanyshskoye, 05.08.2012 45°07ʹ57ʹʹN; 36°25ʹ25ʹʹE 166 36 8.01
Lake Dzharylhatch, 09.08.2012 45°33ʹ53ʹʹN; 32°51ʹ47ʹʹE 145 26 6.67
Lake Bolshoi Kipchak, 09.08.2012 45°22ʹ06ʹʹN; 32°31ʹ06ʹʹE 280 27 6.85
Lake Chersonesskoye, 23.05.2013 44°35ʹ10ʹʹN; 33°23ʹ33ʹʹE 43 28 –
Lake Aktashskoye, 05.08.2013 45°23ʹ35ʹʹN; 35°48ʹ18ʹʹE 130 29 8.77
Lake Aktashskoye, 05.08.2013 45°21ʹ05ʹʹN; 35°48ʹ39ʹʹE 40 28 8.55
Lake Aktashskoye, 05.08.2013 45°23ʹ17ʹʹN; 35°48ʹ16ʹʹE 220 17 –
Pond in the Kamysh-Burun iron ore quarry, 06.08.2013 45°16ʹ40ʹʹN; 36°23ʹ23ʹʹE 0 30 –
Pond near the village of Erofeevo, 08.08.2013 45°12ʹ05ʹʹN; 35°39ʹ01ʹʹE 9 28 9.71
Pond near Lake Kiyatskoye, 08.08.2013 45°58ʹ53ʹʹN; 33°57ʹ56ʹʹE 10 31 8.60
Lake Bolshoi Kipchak, 09.08.2013 45°22ʹ06ʹʹN; 32°31ʹ06ʹʹE 145 34 7.72
Lake Kiyatskoye, 01.10.2014 59ʹ48.01ʹʹN; 33°57ʹ11ʹʹE 180 15 –
Lake Dzharylhatch, 05.10.2014 45°33ʹ53ʹʹN; 32°51ʹ47ʹʹE 106 16 –
Lake Chersonesskoye, 12.07.2015 44°35ʹ10ʹʹN; 33°23ʹ33ʹʹE 122 24 –
Sivash Bay, 11.08.2015 45°31ʹ39ʹʹN; 35°10ʹ41ʹʹE 65 30 –
Lake Kiyatskoye, 15.08.2015 59ʹ48.01ʹʹN; 33°57ʹ11ʹʹE 185 27 –
Lake Kiyatskoye, 14.06.2016 59ʹ48.01ʹʹN; 33°57ʹ11ʹʹE 190 30 7.70
Lake Kuchuk-Adzhigol, 07.07.2016 45°06ʹ03ʹʹN; 35°27ʹ02 ʹʹE 10 23 9.50
Lake Sakskoye, 28.07.2016 45°07ʹ32ʹʹN; 33°35ʹ36ʹʹE 200 29 –

Coefficients of equation (2) describing the “body length–head capsule width” relationship for chironomid larvae from different Crimean water bodies

Lake, date Salinity, PSU Length range, mm Head capsule width range, mm n Coefficients of equation 2 С7, mm R
k m
Baeotendipes noctivagus
Pond near the village of Chelyadinovo, 05.08.2012 24 2.0–5.7 0.105–0.238 28 0.056 0.862 0.300 0.913
Lake Yanyshskoye, 05.08.2012 166 3.0–8.5 0.11–0.342 39 0.037 1.010 0.264 0.935
Lake Bolshoi Kipchak, 09.08.2012 280 3.0–9.0 0.133–0.300 65 0.057 0.752 0.245 0.992
Lake Chersonesskoye, 23.05.2013 43 1.3–3.5 0.120–0.231 15 0.070 0.851 0.367 0.584
Lake Aktashskoye, 05.08.2013 130 2.0–9.0 0.074–0.311 70 0.052 0.834 0.264 0.920
Lake Aktashskoye, 05.08.2013 40 1.5–12.0 0.067–0.308 41 0.055 0.705 0.217 0.987
Lake Aktashskoye, 05.08.2013 220 2.0–8.0 0.105–0.295 159 0.062 0.702 0.243 0.973
Lake Bolshoi Kipchak, 09.08.2013 145 2.5–9.0 0.107–0.342 25 0.047 0.902 0.272 0.960
Lake Kiyatskoye, 01.10.2014 180 3.5–7.5 0.118–0.276 101 0.031 1.123 0.276 0.968
Lake Dzharylhatch, 05.10.2014 106 2.0–9.0 0.081–0.321 50 0.040 0.961 0.259 0.992
Lake Chersonesskoye, 12.07.2015 122 2.0–10.0 0.074–0.355 25 0.052 0.837 0.265 0.873
Sivash Bay, 11.08.2015 65 0.8–6.0 0.071–0.213 11 0.082 0.500 0.217 0.927
Lake Kiyatskoye, 15.08.2015 185 2.0–7.5 0.089–0.271 178 0.045 0.886 0.252 0.973
Lake Kiyatskoye, 14.06.2016 190 1.5–8.0 0.084–0.289 64 0.060 0.726 0.246 0.960
Lake Sakskoye, 28.07.2016 200 2.3–7.5 0.232–0.574 26 0.133 0.721 0.541 0.928
Cricotopus gr. sylvestris
Pond near the village of Erofeevo, 08.08.2013 9 2.2–5.5 0.141–0.284 17 0.126 0.496 0.331 0.749
Pond near Lake Kiyatskoye, 08.08.2013 10 1.5–4.7 0.242–0.529 10 0.193 0.656 0.692 0.983
Lake Kuchuk-Adzhigol, 07.07.2016 10 2.3–6.5 0.105–0.269 38 0.072 0.636 0.248 0.869
Paratanytarsus confusus
Pond in the Kamysh-Burun iron ore quarry, 06.08.2013 0 1.6–3.7 0.09–0.144 12 0.078 0.479 0.198 0.752
Lake Kuchuk-Adzhigol, 07.07.2016 10 2.3–5.5 0.103–0.194 136 0.070 0.621 0.247 0.859

Coefficients of equation (3) “length–mass” for chironomid larvae from different Crimean water bodies

Lake, date Salinity, PSU Length range, mm Mass, mg n Coefficients of equation 3 W7 R
a b
Baeotendipes noctivagus
Pond near the village of Chelyadinovo, 05.08.2012 24 2.0–5.7 0.10–3.50 28 0.014 2.357 1.374 0.952
Lake Yanyshskoye, 05.08.2012 166 3.0–8.5 0.20–2.00 39 0.051 1.702 0.384 0.972
Lake Dzharylhatch, 09.08.2012 145 2.0–7.0 0.07–2.80 35 0.008 2.570 1.188 0.993
Lake Bolshoi Kipchak, 09.08.2012 280 3.0–9.0 0.12–1.83 65 0.007 2.570 1.040 0.994
Lake Chersonesskoye, 23.05.2013 43 1.3–3.5 0.04–0.40 13 0.021 2.376 2.139 0.951
Lake Aktashskoye, 05.08.2013 130 2.0–9.0 0.05–3.00 70 0.007 2.707 1.358 0.995
Lake Aktashskoye, 05.08.2013 40 1.5–12.0 0.03–4.00 41 0.009 2.518 1.208 0.976
Lake Aktashskoye, 05.08.2013 220 2.0–8.0 0.07–1.50 159 0.015 2.064 0.832 0.972
Lake Bolshoi Kipchak, 09.08.2013 145 2.5–9.0 0.07–2.60 25 0.003 3.057 1.150 0.974
Lake Kiyatskoye, 01.10.2014 180 3.5–7.5 0.20–1.30 101 0.008 2.595 1.248 0.971
Lake Dzharylhatch, 05.10.2014 106 2.0–9.0 0.06–1.80 50 0.008 2.351 0.776 0.978
Lake Chersonesskoye, 12.07.2015 122 2.0–10.0 0.20–3.50 25 0.053 1.693 1.429 0.966
Sivash Bay, 11.08.2015 65 0.8–6.0 0.07–2.80 11 0.064 1.556 1.322 0.998
Lake Kiyatskoye, 15.08.2015 185 2.0–7.5 0.04–0.95 178 0.007 2.427 0.787 0.995
Lake Kiyatskoye, 14.06.2016 190 1.5–8.0 0.08–1.00 64 0.035 1.425 0.560 0.936
Lake Sakskoye, 28.07.2016 200 2.3–7.5 0.10–1.20 26 0.036 1.425 0.576 0.923
Cricotopus gr. sylvestris
Pond near the village of Erofeevo, 08.08.2013 9 2.2–5.5 0.25–1.00 17 0.039 1.943 1.710 0.890
Pond near Lake Kiyatskoye, 08.08.2013 10 1.5–4.7 0.05–0.80 10 0.018 2.438 2.068 0.997
Lake Kuchuk-Adzhigol, 07.07.2016 10 2.3–6.5 0.125–2.00 38 0.012 2.592 1.861 0.969
Paratanytarsus confusus
Pond in the Kamysh-Burun iron ore quarry, 06.08.2013 0 1.6–3.7 0.10–0.50 12 0.026 2.067 1.451 0.879
Lake Kuchuk-Adzhigol, 07.07.2016 10 2.3–5.5 0.13–0.84 136 0.023 1.859 0.857 0.918

Coefficients of equation (4) describing the “head capsule width–mass” relationship for chironomid larvae from different Crimean water bodies

Lake, date Salinity, PSU Head capsule width range, mm Mass, mg n Coefficients of equation 4 W0.250, mg R
c d
Baeotendipes noctivagus
Pond near the village of Chelyadinovo, 05.08.2012 24 0.105–0.238 0.10–3.50 28 6.597 1.833 0.521 0.682
Lake Yanyshskoye, 05.08.2012 166 0.11–0.342 0.20–2.00 39 12.032 1.788 1.022 0.724
Lake Dzharylhatch, 09.08.2012 145 0.07–0.282 0.07–2.80 35 21.923 2.32 0.887 0.988
Lake Bolshoi Kipchak, 09.08.2012 280 0.133–0.300 0.12–1.83 65 113.630 3.378 1.023 0.994
Lake Chersonesskoye, 23.05.2013 43 0.076–0.381 0.04–0.40 15 1.203 1.182 0.233 0.738
Lake Aktashskoye, 05.08.2013 130 0.074–0.311 0.05–3.00 70 45.275 2.769 0.973 0.909
Lake Aktashskoye, 05.08.2013 40 0.067–0.306 0.03–4.00 41 281.190 3.557 2.025 0.984
Lake Aktashskoye, 05.08.2013 220 0.105–0.295 0.07–1.50 159 55.700 2.941 0.947 0.999
Lake Bolshoi Kipchak, 09.08.2013 145 0.107–0.342 0.07–2.60 25 89.186 3.311 0.901 0.960
Lake Dzharylhatch, 05.10.2014 106 0.08–0.320 0.06–1.80 50 21.001 2.443 0.714 0.983
Lake Chersonesskoye, 12.07.2015 122 0.074–0.355 0.20–3.50 25 7.079 1.425 0.984 0.807
Sivash Bay, 11.08.2015 65 0.07–0.215 0.05–1.00 11 77.266 2.752 1.700 0.926
Lake Kiyatskoye, 15.08.2015 185 0.09–0.271 0.04–0.95 178 30.982 2.648 0.790 0.989
Lake Kiyatskoye, 14.06.2016 190 0.08–0.289 0.08–1.00 64 4.178 1.571 0.472 0.845
Lake Sakskoye, 28.07.2016 200 0.232–0.61 0.10–1.20 28 3.344 1.853 0.257 0.799
Cricotopus gr. sylvestris
Pond near the village of Erofeevo, 08.08.2013 9 0.139–0.291 0.14–0.28 17 3.955 1.389 0.577 0.559
Pond near Lake Kiyatskoye, 08.08.2013 10 0.242–0.529 0.05–0.80 10 7.173 3.578 0.052 0.978
Lake Kuchuk-Adzhigol, 07.07.2016 10 0.105–0.269 0.11–0.27 38 124.62 3.277 1.371 0.896
Paratanytarsus confusus
Pond in the Kamysh-Burun iron ore quarry, 06.08.2013 0 0.090–0.144 0.10–0.50 12 10.193 1.914 0.718 0.519
Lake Kuchuk- Adzhigol, 07.07.2016 10 0.103–0.194 0.13–0.84 136 1.588 1.130 0.332 0.835
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