Figure 1

Figure 2

Figure 3

Figure 4

Comparison of selected chemical water parameters in the Upper Vistula over 50 years (based on literature data, min_–max values)
| Parameter | Study period | ||||
|---|---|---|---|---|---|
| 1962–1963 after Bombówna, Wróbel 1966; | 1982–1983 after Kasza 1988; | 1988–1994 after Krokowski et al. 1994; | 1996–1997 after Kasza, Galas 2002 | ||
| km from the sources | 96–158 | 128–153 | 160 | 116–248 | |
| Conductivity | μS cm−1 | 200–1300 | no data | 2000–5600 | 400–4300 |
| Cl− | mg dm−3 | 33–747 | 250–1400 | 65–2200 | 500–1300 |
| O2 | 0.4–10.0 | 1.6–13.1 | no data | 4–12 | |
| BOD5 | mg O2 dm−3 | 3–60 | 4.0–28 | no data | 4–10 |
Chemical characteristics of water at the studied localities in 2014
| Parameter | Locality | |||||||
|---|---|---|---|---|---|---|---|---|
| Gostynka R. | Oświęcim | Czernichów | Szczucin | |||||
| 14 July | 14 July | 16 Dec. | 14 July | 16 Dec. | 14 July | 16 Dec. | ||
| km from the sources | 91 | 96 | 140 | 283 | ||||
| Conductivity | μS cm−1 | 21 200 | 1500 | 2540 | 1600 | no data | 650 | 1500 |
| Na+ | mg dm−3 | 3223.2 | 99.0 | 379.7 | 161.4 | 389.9 | 56.8 | 145.8 |
| Cl− | 5741.8 | 162.1 | 705.8 | 284.1 | 719.9 | 94.7 | 263.1 | |
| Ca2+ | 99.59 | 50.62 | 97.99 | 61.88 | 118.31 | 54.64 | 57.69 | |
| Mg2+ | 307.5 | 11.77 | 36.47 | 19.46 | 49.03 | 13.35 | 18.47 | |
| K+ | 89.66 | 9.08 | 11.72 | 7.69 | 14.61 | 5.46 | 6.66 | |
| HCO3− | 416.25 | 196.14 | 255.6 | 190.85 | 350.16 | 154.86 | 202.34 | |
| SO42− | 342.6 | 35.14 | 97.12 | 52.85 | 160.67 | 44.73 | 57.87 | |
| NO3− | 3.58 | 0.4 | 6.79 | 3.52 | 7.88 | 3.29 | 3.79 | |
| NH4+ | 1.33 | 0.03 | 0.36 | 0.18 | 0.38 | 0.02 | 0.04 | |
| PO4− | 0.80 | 0.20 | 0.21 | 0.53 | 0.03 | 0.14 | 0.19 | |
| Dry residue | 947.7 | 944.9 | no data | 894.3 | no data | 747.2 | no data | |
| COD | mg O2 dm−3 | 115.70 | 56.20 | no data | 24.79 | no data | 36.36 | no data |
Distribution of Amphipoda species in the Upper Vistula in different years
| Study period | ||||||
|---|---|---|---|---|---|---|
| 1962–1963 after Zięba, Zaćwilichowska 1966 – species incorrectly identified as Gammarus pulex, found in the mouth of the Bachórz stream following into the Vistula downstream of Oświęcim; | 1982–1983 after Dumnicka, Kownacki 1988; | 2014 | 2014 | 2014 | 2014 | |
| Locality | Bachórz st. | Czernichów | Gostynka R. | Oświęcim | Czernichów | Szczucin |
| km from the sources | 115 | 140 | 91 | 96 | 140 | 283 |
| Gammarus fossarum Koch in Panzer | + | + | ||||
| Gammarus tigrinus Sexton | +++ | ++ | ++ | ++ | ||
| Dikerogammarus haemobaphes (Eichwald) | ++ | |||||
| Chelicorophium curvispinum (G.O. Sars) | + | |||||
Changes in the benthic fauna composition in the Upper Vistula over 50 years (based on literature data and our study)
| Study period | |||||
|---|---|---|---|---|---|
| 1962–1963 after Zięba, Zaćwilichowska 1966; | 1962–1963 after Zięba, Zaćwilichowska 1966; | 1982–1983 after Dumnicka, Kownacki 1988 | 2014 | 2014 | |
| Localities | Oświęcim–Spytkowice | Tyniec | Okleśna–Jeziorzany | Oświęcim | Czernichów |
| km from the sources taxa | 96–128 | 158 | 128–153 | 96 | 140 |
| Tubificidae | +++ | +++ | +++ | + | + |
| Chironomidae | + | + | + | +++ | +++ |
| Naididae | + | + | + | + | |
| Physidae | + | + | |||
| Erpobdellidae | + | + | + | ||
| Glossiphonidae | + | + | |||
| Simuliidae | + | + | |||
| Lymnaeidae | + | + | + | ||
| Gammaridae | + | + | + | ||
| Enchytraeidae | + | + | + | ||
| Ancylidae | + | + | |||
| Psychodidae | + | ||||
| Chaoboridae | + | ||||
| Lumbricidae | + | ||||
| Coleoptera | + | ||||
| Hydropsychidae | + | + | |||
| Baetidae | + | + | |||
| Bithyniidae | + | + | |||
| Acroloxidae | + | ||||
| Pontogammaridae | + | ||||
| Caenidae | + | ||||
| Ceratopogonidae | + | ||||
| Number of taxa | 2 | 6 | 15 | 11 | 14 |
Distribution of alien mollusk species in the Upper Vistula in different years
| Study period | |||||
|---|---|---|---|---|---|
| 1962–1963 after Zięba, Zaćwilichowska 1966; | 1962–1963 after Zięba, Zaćwilichowska 1966; | 1982–1983 after Dumnicka, Kownacki 1988; | 2011 after Maćkiewicz 2013; | 2017 | |
| Locality | Skawinka mouth | Tyniec | Czernichów | Kraków | Skawinka mouth |
| km from the sources | 150 | 158 | 140 | 96 | 150 |
| Physa acuta Draparnaud | +++ | ++ | + | ||
| Potamopyrgus antipodarum (J.E. Gray) | ++ | ||||
| Corbicula fluminea (O.F. Müller) | ++ | ++ | |||
Changes in oligochaete species composition in the Upper Vistula over 50 years
| Study period | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1962–1963 – after Zięba, Zaćwilichowska 1966; | 1982–1983 after Dumnicka, Kownacki 1988; | 1997–1998 after Dumnicka 2002; | 2014 | ||||||||
| km from the sources | 96–128 | 158 | 128–153 | 115–165 | 248 | 337 | 91 mouth of the Gostynka River | 96 | 140 | 283 | |
| Limnodrilus hoffmeisteri Claparède | + | + | + | + | + | + | + | + | + | ||
| Limnodrilus udekemianus Claparède | + | + | + | + | + | + | + | ||||
| Tubifex sp. Lamarck | + | + | |||||||||
| Naididae gen. spp. | + | ||||||||||
| Quistadrilus multisetosus (Smith) | A | + | |||||||||
| Spirosperma ferox Eisen | + | ||||||||||
| Aulophorus furcatus (Oken) | + | ||||||||||
| Dero digitata (O.F. Müller) | + | ||||||||||
| Tubifex tubifex (O.F. Müller) | + | + | + | + | + | + | + | ||||
| Nais elinguis (O.F. Müller) | + | + | + | + | + | + | + | ||||
| Limnodrilus claparedeanus Ratzel | + | + | + | + | + | + | |||||
| Chaetogaster diastrophus (Gruithuisen) | + | + | + | + | |||||||
| Marionina riparia Bretscher | + | + | + | + | + | ||||||
| Stylaria lacustris (L.) | + | + | + | + | + | ||||||
| Enchytraeus buchholzi Vejdovský | + | + | + | + | |||||||
| Chaetogaster diaphanus (Gruithuisen) | + | + | + | + | |||||||
| Lumbricillus rivalis Levinsen | + | + | + | ||||||||
| Nais barbata (O.F. Müller) | + | + | + | + | |||||||
| Limnodrilus profundicola (Verrill) | + | + | + | ||||||||
| Paranais frici Hrabě | AB | + | + | + | + | ||||||
| Psammoryctides albicola (Michaelsen) | A | + | + | + | + | ||||||
| Eiseniella tetraedra (Savigny) | + | + | + | ||||||||
| Propappus volki Michaelsen | + | ||||||||||
| Nais communis Piguet | + | + | + | ||||||||
| Ophidonais serpentina (O.F. Müller) | + | + | + | ||||||||
| Uncinais uncinata (Oersted) | + | + | + | + | |||||||
| Dero spp. Oken | + | + | + | + | |||||||
| Vejdovskyella intermedia (Bretscher) | + | + | + | ||||||||
| Nais pardalis Piguet | + | + | + | ||||||||
| Potamothrix moldaviensis Vejd. et Mrázek | A | + | + | ||||||||
| Potamothrix hammoniensis (Michaelsen) | A | + | + | ||||||||
| Nais christinae Kasprzak | + | ||||||||||
| Psammoryctides barbatus (Grube) | A | + | + | ||||||||
| Aulodrilus pluriseta (Piguet) | + | ||||||||||
| Vejdovskyella comata (Vejdovský) | + | ||||||||||
| Amphichaeta leydigi Tauber | + | + | |||||||||
| Paranais litoralis (O.F. Müller) | AB | + | + | + | |||||||
| Limnodrilus sp. juv. Claparède | + | ||||||||||
| Aulodrilus limnobius Bretscher | + | ||||||||||
| Slavina appendiculata (Udekem) | + | ||||||||||
| Gianius aquaedulcis (Hrabě) | + | ||||||||||
| Chaetogaster setosus Svetlov | + | ||||||||||
| Tubifex blanchardi Vejdovský | AB | + | |||||||||
| Number of taxa | 3 | 3 | 20 | 22 | 19 | 22 | 2 | 9 | 17 | 11 | |