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1.Introduction
‘Itisnotthestrongestofspeciesthatsurvive,orthemostintelli-
gent,buttheonesmostresponsivetochange.’
CharlesR.Darwin(1859)
Servingasamodelfortheanalysisofanthropopression,treesenablelong-
termresearchduetotheirlongevityandlong-lastingrelationshipinapar-
ticularhabitat.Theyconstituteasourceofinformationaboutchangesoccur-
ringintheenvironmentoveraspanofmanyyears.Nevertheless,thesead-
vantagesmayberecognizedasflawswhenthesubjectofresearchincludes
theinfluenceofenvironmentalfactorsinthecourseofmicro-evolutionary
processesintreepopulations.Itrequiresobservationsspanningoverafew
generations.Reconcilingbothresearchsubjectsissomewhatproblematic.
Accordingtomultiplesuggestions(Linhart&Grant1996;Markertetal.
2012),acomplexapproachtotheproblemsconnectedwiththeadaptation
oflivingorganismstoahighlypollutedenvironment,allowsabetterinter-
pretationofevolutionarystrategiesutilizedbytheobservedspecies.The
researchonspeciesusedinbio-indicationisparticularlyimportantinthis
contextduetolargeamountsofstandardizeddataavailableonthetopic.
Bioindicatorsaredefinedasorganismswhichcarryinformationaboutthe
qualityoftheenvironment.TheScotspine(PinussylvestrisL.)isoneofthe
mostfrequentlyusedbioindicatorsinPolandandcontaminationbyheavy
metals(HM)isoneofthemostfrequentlymonitoredpollutionsstudiedby
meansofthespecies.
Apositivedirectionofchangesoccurringintheenvironmentisindi-
catedintheannuallypublishedIReportsontheStateofForestsinPoland’.
Since2005,therehasbeenastabilizationofemissionsofgaseousanddust
pollutionsatalowlevel.Despitethis,thelocalindustryisstillappearingto
exertnegativeinfluenceonforestareas.UpperSilesiaisaregionwhere
amassiveextinctionofforests,particularlyaffectingthepineecosystems,
wasobservedintheearly80s.Hence,constantmonitoringofforestecosys-
temscontinuestobenecessary.Currently,naturalregenerationofforestsin
thisregionenablesresearchontheinfluenceofanthropopressiononthe
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