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

Nickolai V. Shadrin; Victor P. Belyakov; Alexandra I. Bazhora; Elena V. Anufriieva

doi:10.2478/ohs-2019-0028

Figures & Tables

Distribution of Crimean water bodies surveyed in 2012– 2016

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 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 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
Lake, date	Salinity, PSU	Length range, mm	Head capsule width range, mm	n	k	m	С₇, mm	R
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
Lake, date	Salinity, PSU	Length range, mm	Mass, mg	n	a	b	W₇	R
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		W_0.250, mg	R
Lake, date	Salinity, PSU	Head capsule width range, mm	Mass, mg	n	c	d	W_0.250, mg	R
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

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

Figures & Tables

Figure 1

Figure 2

Figure 3

Figure 4

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

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

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

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

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