Korytarz ekologiczny doliny Odry pdf

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Summary place in two ways. In the first case, individuals of a certain species gradually, generation after generation, occupy neighbouring areas or sites, thus moving slowly along the corridor. In the second case, the corridor serves only for „rapid” migration of individuals either because it is an unsuitable habitat for the breeding of a given species, or because all sites appropriate for this purpose have already been occupied. The best ecological corridors, those of linear character, stretching over tens or even hundreds of kilometres were created by rivers and their valleys, therefore their progressing fragmentation raises an understandable concern. Some stretches of certain rivers and their valleys have remained relatively unchanged, close by resembling their natural character and having high ecological value. Tracts of the largest Polish rivers: the Vistula and the Oder have such value. The state of the Vistula is far more natural state, while in the case of the Oder river valley ecosystems have been better preserved, as large patches of riverside carrs were preserved during regulation works. Therefore our opinion is that everything should be done to maintain the still existing areas of high natural value in the Oder valley and begin the restoration of the ecological values of its degraded parts. This would enable the establishment of a better-defined ecological corridor (stretching from the northern to the southern end of Poland), being one of the two main axes of ESOCH, an Ecological System of Protected Areas whose creation in Poland is now under way. Thanks to its location near Poland’s western border it will also constitute an important element of EECONET (European Ecological Network). Physiographic description of the Oder valley The part of the Oder valley which lies on Polish territory, is characterised by a significant landscape differentiation resulting from the intersection of many different physiographic units, which, in their turn, have a different geological structure, surface features and age. The age differentiation of the stretches of the Oder valley is significant: the upper stretch from the state border to the Œcinawa Depression was finally created after the continental glacier created during the Oder glaciation period had withdrawn, about 300-280 thousand years ago, while the reach between Siekierki and the mouth of Szczecin Bay is only 13-15,000 years old. Water resources and pollution of the Oder catchment area The Oder catchment area covers 118 861 sq km (of which 10.8 per cent lies outside Polish borders) and can be divided into three areas of distinct hydrographic characteristics: the basin of the Upper and Middle Oder extending over 53 536 sq km, including 9 235 sq km outside Polish borders; the basin of the Warta River, the main tributary of the Oder, covering 54 529 sq km and the Lower Oder basin (10 796 sq km, of which 3 548 sq km lies on German territory). Intensification of human economic activity in the catchment basin of the Oder, expressed through the significant industrialization and urbanization of this area constitutes the main threat to the water quality in this region. This is particularly visible in the Upper and Middle Oder basin, where the most environmentally arduous industrial projects have been localized. This has its reflection in the water quality of the Oder. Waters of the lowest unclassified quality, are carried in the Upper and Middle Oder catchment area, while downstream 205
Korytarz ekologiczny doliny Odry Physical and geographical classification of the Oder valley on the levels of: subprovince, macro- and mezoregions is as follow: Stretch Mezoregion Macroregion Subprovince 1. State border – Krapkowice 2. Krapkowice – Lubi¹¿ Racibórz Basin Wroc³aw Proglacial Stream Valley Silesian Lowland 3. Lubi¹¿ – Chobienia Œcinawa Depression Trzebnica Bar Middle–Poland Lowlands 4. Chobienia – Stany n. Nowa Sól G³ogów Proglacial Stream Valley Milicz–G³ogów Depression 5. Stany n. Nowa Sól – Cigacice 6. Cigacice – Rybocice n. S³ubice 7. Rybocice n. S³ubice – Górzyca Kargów Basin Middle Oder Valley Lubuski Water Gap Warta–Oder Proglacial Stream Valley Lubuski Lowland South Baltic Lakelands 8. Górzyca – Osinów Dolny n. Cedynia Freienwalde Basin Toruñ–Eberswald Proglacial Stream Valley 9. Osinów Dolny – Szczecin Bay Lower Oder Valley Szczecin Coast South Baltic Coast their quality systematically rises. The analysis of long-term quality changes shows a systematic improvement in the Oder River’s waters in the region of the Polish- German border; in some cases indicators achieved standards which are close to the required levels. This denotes that with further regulation of the water supply and sewage disposal management in the Upper and Middle Oder basin we should expect a water quality improvement in the upper and middle reaches. Technical facilities in The Oder valley As far as the character of its technical facilities is concerned, the Oder might be divided into the following parts: • 8 kilometres-long tract of the Upper Oder, unregulated and forming the border with the Czech Republic, • 70 km-long stretch of the Upper Oder, from the mouth of the Olza River to the town of KoŸle; regulated by the means of groins, locally embanked and unsuitable for permanent navigation, • 187 km-long stretch of the Upper Oder from KoŸle to the town of Brzeg Dolny; regulated by the means of groins and channelized by 23 dams with the transit depth of a streamway of 1.8 m. This part is classified as a class II waterway, according to Polish regulations, 206
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IUCN Program Europy Korytarz ekolog
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Fundacja IUCN Poland dziêkuje Mini
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Spis treœci Od Wydawcy ...........
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IX. Charakterystyka i ocena wybrany
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Contents From the editor ..........
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2. Forest in Oder valley ..........
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Przedmowa ¯ycie ludzi od zarania d
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I. Wstêp Opracowanie wykonano na z
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Funkcja i znaczenie korytarzy ekolo
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Funkcja i znaczenie korytarzy ekolo
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Charakterystyka fizjograficzna i ge
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Fot. 1. Dolina Odry na Dolnym Œl¹
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Fot. 5. Dolina Odry w Kotlinie Frei
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Zasoby wodne dorzecza Odry i stopie
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Tabela 4. Obci¹¿enie wód powierz
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Rysunek 7. Klasyfikacja jakoœci w
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Istniej¹ca i projektowana zabudowa
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Fot. 11. Ró¿ne typy starorzeczy w
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Fot. 16. Zarastaj¹ce starorzecza O
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Szata roœlinna Odry i jej doliny D
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Szata roœlinna Odry i jej doliny
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Szata roœlinna Odry i jej doliny r
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Szata roœlinna Odry i jej doliny n
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Szata roœlinna Odry i jej doliny 1
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Szata roœlinna Odry i jej doliny 1
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Szata roœlinna Odry i jej doliny Z
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Szata roœlinna Odry i jej doliny d
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Szata roœlinna Odry i jej doliny w
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Szata roœlinna Odry i jej doliny z
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VII. Odra jako korytarz ekologiczny
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Odra jako korytarz ekologiczny - an
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Fot. 19. £êg wierzbowo topolowy W
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Fot. 23. Stadia przejœciowe miêdz
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Wody Odry i jej dolina jako œrodow
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Fot. 25. Gr¹dy niskie w dolinie Od
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Fot. 29. Remiz (Remiz pendulinus) j
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Charakterystyka i ocena wybranych w
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Page 182 and 183: Obszary chronione w dolinie Odry st
Page 184 and 185: Obszary chronione w dolinie Odry
Page 190 and 191: Obszary chronione w dolinie Odry Ko
Page 196 and 197: XI. Waloryzacja korytarza ekologicz
Page 198 and 199: Waloryzacja korytarza ekologicznego
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Page 204 and 205: Kierunki ochrony przyrody i korytar
Page 224 and 225: Summary • 336 km-long tract of th
Page 226 and 227: Summary the bream) the natural livi
Page 228 and 229: Summary An evaluation of waterfowl
Page 230 and 231: Summary nate here, but there are al
Page 232 and 233: Summary Œcinawa Depression (class
Page 234 and 235: Summary 1. Taking over from the Age
Page 236 and 237: Summary taken under consideration.
Page 238 and 239: Summary barges and, related to this
Page 240 and 241: Summary 2. The State Treasury’s A
Page 242 and 243: Bibliografia ADAMSKI A. 1993 . Wart
Page 244 and 245: Bibliografia BERDOWSKI W. 1976. Mch
Page 246 and 247: Bibliografia CELIÑSKI F. 1967. Not
Page 248 and 249: Bibliografia CZWA£GA T., WOLSKI D.
Page 250 and 251: Bibliografia FRIEDRICH S. 1980. Och
Page 252 and 253: Bibliografia JANKOWSKI W. 1993a. Oc
Page 254 and 255: Bibliografia Komunikat o jakoœci w
Page 256 and 257: Bibliografia KU NIEWSKI E. 1989. Ro
Page 258 and 259: Bibliografia MICHALAK S. 1979 . Zag
Page 260 and 261: Bibliografia PIOTROWSKA H. 1957b. Z
Page 262 and 263: Bibliografia SCHALOW H. 1919. Beitr
Page 264 and 265: Bibliografia TOMIA£OJÆ L., DYRCZ
Page 266: Bibliografia ¯AK L. 1974. Stan zag
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