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

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Figure 1

Location of the study area and investigated microhabitats
Location of the study area and investigated microhabitats

Figure 2

Three microhabitats occurring in the studied settling pond
Three microhabitats occurring in the studied settling pond

Figure 3

Seasonal changes in the abundance of Gammarus tigrinus on different microhabitats
Seasonal changes in the abundance of Gammarus tigrinus on different microhabitats

Figure 4

Seasonal changes in the abundance of Corixidae on different microhabitats
Seasonal changes in the abundance of Corixidae on different microhabitats

Structure of macroinvertebrate communities on the microhabitats in the coal mine settling pond

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 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
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
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

Parameters of the water in the investigated settling pond

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
eISSN:
1897-3191
Lingua:
Inglese
Frequenza di pubblicazione:
4 volte all'anno
Argomenti della rivista:
Chemistry, other, Geosciences, Life Sciences