Macroinvertebrate communities on various microhabitats of a saline coal mine settling pond

Figures & Tables

Higher taxa	Family	Species	Ruppia maritima		Phragmites australis		Bottom sediments
			D (%)	F (%)	D (%)	F (%)	D (%)	F (%)
			Diptera	Chironomidae		1.8	80	2.3	80	2.5	100
Stratiomyidae		0	Diptera	0	0	0	0.03	20
Lepidoptera	Crambidae		0	0	0.02	20	0	0
Heteroptera	Corixidae		3.2	100	0.2	80	40	80
Heteroptera	Veliidae		0.1	40	1.9	20	0.4	0.1
Odonata	Coenagrionidae	Ischnura elegans (Vander Linden, 1820) (Charpentier, 1840)	0.04	20	0.1	20	0.03	20
	Coenagrionidae	Enallagma cyathigerum (Charpentier, 1840)	0.1	20	0	0	0	0
	Libellulidae	Orthetrum albistylum (Selys, 1848)	0.03	20	0	0	0.01	0
Araneae	Cybaeidae	Argyroneta aquatica (Clerck, 1758)	0	0	0.02	20	0	0
Amphipoda	Gammaridae	Gammarus tigrinus Sexton, 1939	94.7	100	94.5	100	96.5	100
Oligochaeta	Naididae		0	0	0.02	20	0.03	20
		Limnodrilus hoffmeisteri Claparède, 1862	0	0	0.1	20	0	0
		Paranais litoralis (Müller, 1780)	0.02	20	0.7	60	0.5	80
Gastropoda	Hydrobiidae	Potamopyrgus antipodarum (Gray, 1843)	0	0	0.1	20	0.1	60
Total number of individuals			9683		4213		1295
Total number of families			8		11		10

Parameter	n	Minimum	Maximum	Mean	Standard deviation
Conductivity (μS cm^-1)	5	26 000.0	34 400.0	30 944.0	2948.1
pH	5	7.1	8.5	7.7	0.5
Alkalinity (mg CaCO₃ dm^-3)	5	150.0	250.0	185.8	45.1
Total dissolved solids (g dm^-3)	5	12.9	17 .1	15 .4	1.5
Dissolved oxygen (mg O₂ dm^-3)	5	10.2	17.6	13.4	2.9
Chlorides (mg Cl^- dm^-3)	5	7840.0	14 650.0	10 782.5	2463.8
Iron (mg dm^-3)	5	0.07	0.26	0.14	0.1
Nitrates (mg NO3− $\begin{array}{} \rm NO_{3}\,^{-} \end{array}$ dm^-3)	5	3.1	11.96	6.2	3.6
Nitrites (mg NO2− $ \begin{array}{} \rm NO_{2}\,^{-} \end{array}$dm^-3)	5	0.0	1.04	0.67	0.4
Ammonium (mg dm^-3)	5	1.08	6.97	2.4	2.3
Phosphates (mg PO43− $\begin{array}{} \rm PO_{4}\,^{3-} \end{array}$dm^-3)	5	0.001	1.2	0.24	0.5
Potassium (mg dm^-3)	5	40.8	68.0	54.3	13.6
Sulfates (mg dm^-3)	5	902.0	1530.0	1197.3	315.7
Temperature (°C)	5	13.8	25.1	21.1	4.7