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Upper Vistula River: Response of Aquatic Communities to Pollution and Impoundment I

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Upper Vistula River: Response of Aquatic Communities to Pollution and Impoundment I POLISH JOURNAL OF ECOLOGY 50 2 107-122 2002 (Pol. J, Ecol.) Regular research paper 1 Roman ZUREK , Henryk KASZA 2 1Karol Starmach Institute of Freshwater Biology, Polish Academy of Sciences, str. Slawkowska 17, 31-016 Cracow, Poland, e-mail: [email protected] 2Present address:Technical University of LodZ, Faculty of Textile Engineering and Environmental Protection, Textile Institute, 43-309 Bielsko-Bia!a, Poland, e-mail: [email protected] UPPER VISTULA RIVER: RESPONSE OF AQUATIC COMMUNITIES TO POLLUTION AND IMPOUNDMENT I. PROBLEM, OUTLINE OF RESEARCH AND STUDY AREA Investigations were carried out in the period ABSTRACT: The main disturbancies in hy­ 111 drological and chemical features of the Upper Vi­ between 3rd March 1997 and March 4 1998. Also stula River were discussed as well as geological the present state of investigations of the Vistula Ri­ structure and soils of its drainage basin. Examined ver is discussed. section of the river is 337 km long. Catchment area In 1997 in the period from 7th to 15th of July of 28 000 km2 inhabited by 50 to 800 residents extreme and disastrous flood in the Vistula occur­ 2 red. Flows, which usually in Cracow (on 165 km ) km- Three main problems concerning the river 3 1 3 1 provide 50 to 100m s- , grew up to 1430 m s- were considered: salinity, pollution and water ma­ 3 1 nagement. Between 89 and 95 km the river obtai­ and during the culmination of wave up to 2400 m s- . nes salty water from coal mines and down the 95 km of the river - huge load of pollution by the Prze­ KEY WORDS: river, water pollution, drainage msza Ri ver. The inflow supplying 91% of Vistulian basin flow at this point. This unusual proportion is caused by far transfer of drinking water from submontaino­ us part of the Vistula or its tributaries. Polluted wa­ ter comes back to the river by Przemsza River. Vi­ 1. INTRODUCTION stula had here too much of suspension, phosphorus, nitrite and ammonia, and sometimes zinc. Water Hydrobiological investigations of the quality between 90 and 170 km was useless for cy­ Upper Vistula (Figs 1, 2, 3) were carried out prinid fishes according to EC directive. for over 120 years and had a rich literature. History of the Vistula investigations until Vistula River and its aftluents flow through 1986 was described in details by Dumni cka holocenic river terraces - covered with alluvial and Kownacki (1988a). Review of historic and fluvioglacial deposits. In the region of Cracow works shows deterioration of water quality there are small areas of upper Jurassic origin (marls below the Przemsza outlet in XIX-th. century and lime) and from the Cretaceous period. Holoce­ and in the first half ofXX-th century. It was nic terrace of the river is covered by alluvial soils. connected with the development ofindustry, On the left bank, between the Przemsza and Nida mostly in the Przemsza catchment. In SO's rivers, there are large areas of loesses. water of the Vistula was poisoned by raw 280 0 00 Goczalkowice 240 E E 200c c 0 0 ~ fi5 8 > > Q) Q) jjJ jjJ 160 0 20 40 100 200 300 400 Distance from springs [km] Distance from springs [km] C. I I rx( I I l M A M J -J A s 0 N D J F 0 N 1997 1998 1999 •••• RESERVOIR IS FI L L ED RESERVOIR IS EMPTY USAGE CONSERVATION MANAGEMENT OF WISt.A CZARNE DAM RESERVOIR Fig. I. Longitudinal profi les of the Vistula on water- level (measured on 9'h of May 1998). A - the upper part from springs to the Goczalkowice dam, B - the lower part from the Goczalkowice dam reservoir to the end of Upper Yistula section (393 .8 km of river course). The weirs are marked with the ir local names. I - 9 - sampling stations for this study. The scheme of water management in the Wisla Czarne dam reservoir in 1997/99 is given below (C). An arrow indicate that after repairing in November 1999 the reservoir is filled until these days. trlbuta~es 16.01 Mg BOD5 waste discharge 37.06 Mg COD .. 0.27 Mg p dams municipal wastes 18.65 Mg suspension sampling sites @) (see Table 1) towns li 0 ~ 111 "0 li ~ z 111 E § ~ & u .. ! "' Blahl "E ~~~R~. ~--..----~~.... [ ~ a li ]! a:: ~ c distance from springs [km] ~ c5l 0 50 300 350 400 11 . 12 Mg BOD5 0.146 Mg BOD5 37.82 MgCOD 0.41 Mg COD 0.266 Mg P 0.003 Mg P 20.35 Mg suspension Fig. 2. Scheme of the Upper Vistula River along the increase of flow. Localisation of sampling sites, main tributaries, dams, towns are given with their 0 respective local names as well as the values of daily load of pollution. \0 51 @ sa'll*lg sites @) to.vns .. waste~ ~ rlller 49 -r---r------;:r;.,.,.'I#Z1:2Z:...._--+-----t-l TT777T drarllCIQ8 border 19 20 21 22 23 LONGITUDE EAST Fig. 3. Catchment area of the Upper Vistula River, its main tributaries waste input and sampling sites. The inset is a map of Poland. Examined section has an area of 3 I 846 km2 Upper Vistula River: problem, outline of research and study area 111 1536 1500 7e "0 Oil e 1000 C3 c:Cll 0 ~ 500 422 Bc: 0 59.6 () 145.9 0 1875 1900 1925 1950 1975 2000 years Fig. 4. Historical analyses of chlorides in Cracow on 165 km of the Vistula River course. Last 10 points are the mean values for a given year. Values according to Olszewski 1871 , Bujwid 1912, Starmach 1938, Bomb6wna and Wr6bel 1966, Kasza 1988, Krokowski et al. 1994, Wojtan et al. 2000, Kasza and Galas 2002, Turzanski 1999, for 1998 Zurek, unpubl. , Turzanski and Wertz 2000, and for the year 2000 - State Inspectorate for Environmental Protection (unpubl.). sewage rich in phenols from the chemical Cracow. Hydrochemistry was worked out by factory in Oswi~cim (on 96 km). Mentioned Kasza (1988), and lately by Wojtan et al. town until these days did not have a waste pu­ (2000). The trophic state of water was esti­ rification plant. However, since 80's some mated with alga tests method by Bednarz water quality indices were improved, (1988) showing high fertility of the water whereas other become worse. Phenol concen­ between 125 and 150 km. Starzecka trations diminished from 0.3 mg dm-3, in (1988) investigated the bacterial decomposi­ 60 's to 0.005 presently. High amounts of tion of organic matter. She found increase in coal particles present until 70's, vanished proteolytes bacteria biomass downstream. In along with progress in technology in the coal this shortsectorBednarz andZurek (1988) mines and afterwards with liquidation ofsev­ found 210 taxa of algae and 83 taxa ofplank­ eral mines in 90's. In these years paper fac­ tonic animals. They noted brackish species in tory discharging sulphite wastes through the bioseston. Sessile algae were analysed by Bren River was eliminated. Mean values of Kwandrans (1988), ciliata by Grabacka COD observed in Cracow (165 km) grew up (1988), macroinvertebrates by Dumnicka from the range 35 .4-78.4 in 1964 to 70.6-247 and Kownacki (1988b). Detritivorous ben­ 3 mg 0 2 dm- in 1997/98 . In 1999 purification tic animals were found at 128 km, whereas plant in Cracow began to work. It has effi­ farther algivorous species were more numer­ ciency of70 000 m3 day-1. In the first year, it ous. Wlodek and Sk6ra ( 1988) stated that purified biologically 9 669 000 m3 ofmunici­ increase in pollution has contributed to the re­ pal wastes from Cracow, so, the amount of cession from the Vistula above Cracow, not biologically treated wastes increased from only of the most predatory fishes but also of 1% before 1998 to 12 %. The rest 41 % some species of the cyprinid family. The wastes is treated only mechanically and 47 % problem of acidification on the first 10 km is discharged without treatment (Turzanski long section of the river (Czarna Vistula and W ertz 2000). In 1998 the river obtained stream), and the effect of dolomitization on in the investigated sector, directly or through its bottom was examined by Wr6bel (1995, the tributaries 200 hm3 of municipal wastes 1998). Load of iodine and its concentrations and 249 hm3 of industrial wastes. The new were interesting for Slizowski (1996), who waste purification plants in the drainage area stated in the Vistula on 79 km 337 11g J dm-3 , began to work in 1996-1999. They are able to and on 91.9 km - 620 11g J dm-3, whereas in 3 purify 88 300m daily (Turzanski 1999). Cracow (on 155.3 km) only 15- 20 11gJ dm-3. In the years 1982-83 the Vistula River was The most of iodine was discharged by examined by hydrobiologists and hydro­ Gostynka stream on 89 km. In this stream 856 chemists starting from the Przemsza outlet to 11g J dm-3 was noted. All the coal mines dis- 112 Roman Zurek, Henryk Kasza sharged 166 Mg iodine yearly. On 95 km Vistula between 10.9 km and 336.7 km of its Slizowski (1996) stated 3 mg Br dm-3 in course (Fig. 3). The name "Upper Vistula" is water and 18 mg kg-1 in sediments. used for the Vistula section from its sources Since 90's, in the region ofour investiga­ to the water-gauge at Zawichost, and is 393.8 tions two new dams were constructed, first km long (Fig. 2). There are six dams or weirs one on the first kilometre below the on this section: the Czama Vistula (9.6 km of Goczalkowice dam (H= 1.75 m, 61.2 km) river course) dam; small retarding reservoir and the second "Kosciuszko" weir on the (10.6 km); Goczalkowice dam (62 km), 155 .3 km (damming 4.5 m).
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