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10
1.Thecharacteristicsofthestudyarea
Province51.WesternCarpathianswithWesternandNorthernSubcarpathia
(KarpatyZachodniezPodkarpaciemZachodnimiPółnocnym)
Subprovince512.NorthernPrykarpattia(PodkarpaciePółnocne)
Macroregion512.2.OświęcimBasin(KotlinaOświęcimska)
Mesoregion512.22.UpperVistulaValley(DolinaGórnejWisły)
Fromtheadministrativepointofview,thesouth-westernpartoftheareais
apartoftheSilesianprovince(Cieszyn,Pszczyna,BielskoandBieruń-Lędziny
counties)andapartofthenorth-easternprovinceofMałopolska(Oświęcim
andChrzanówcounties).
AccordingtothegeobotanicalregionalisationSZAFer(1972a),thestudyarea
wassectionedoffastheOświęcimDistrictandincludedintotheSandomierz
Basintotheeast,intoonegeobotanicalland,alsocalledtheSandomierzBasin.
Theincreasinginfluenceofthecontinentalclimatewasdetectedeastward.In
contrast,theOświęcimDistricthasthemostoceanictypeofclimate,similar
totheSilesianBasin(SZAFer1972b).Accordingtothegeobotanicalregionali-
sation,theOświęcimDistrictshouldbeassignedtothefollowingunitswithin
theEuro-SiberianArea:
Province:Middle-EuropeanLowland-UplandProvince
(Niżowo-Wyżynna,Środkowoeuropejska)
A.Divide:Baltic(Bałtycki)
A
3.Subdivide:BeltofSubmontaneBasins(PasKotlinPodgórskich)
12.Syntaxonomicalregion:SandomierzBasin(KotlinaSandomierska)
a.Landscaperegion:Oświęcimski
TakingintoaccountthelimitsofthegeobotanicalregionalisationofPo-
land,thesouth-westernpartofthestudyareashouldbeincludedintotheGe-
obotanicalDivideKarpatyZachodnie(WesternCarpathians)(moreprecisely
intotheBeskidylandscaperegion),whichisapartoftheMountain,Central
EuropeanProvince.However,duetothescaleofthecartographicapproach
totheissueandthegeneraliseddelimitationofboundaries,thisaffiliation
canbeomitted.
ThegeobotanicalregionalisationofPolandhasadifferentcharacter
(MATuSZkIeWICZ1993,2008).Incontrasttothedeductivedivisionthatwas
proposedbySZAFer(1972a),thisdivisionisinductiveandwasformed
throughthemergerofsmallerregionsintolargerones.Thebasicunitsare
landscapesubregions,whichareisolatedonthebasisofthediversityof
potentialnaturalvegetationandsomehabitatfactorssuchasareaswithaho-
mogeneousvegetationlandscape.Higherunitswereseparatedbygrouping
basicunitsthatwerebasedonthedifferentcriteriathatresultedfromthe
landscape,syntaxonomicandbiogeographicalcharacteristics(MATuSZkIeWICZ