天然紅松種群遺傳生態(tài)學(xué)的研究.pdf

1、東北林業(yè)大學(xué)博士學(xué)位論文天然紅松種群遺傳生態(tài)學(xué)的研究姓名：馮富娟申請(qǐng)學(xué)位級(jí)別：博士專業(yè)：生態(tài)學(xué)指導(dǎo)教師：王鳳友20030601AbstractThisdissertationfoCUSonthevariationandadaptabitityinmorphologyanatomyandgeneticcharacterofnaturalKoreanpinepopulationsinChangbaiMountainsTangwangheco

2、nservancydistrict。Shengshanforestrycenterin辯eiheandVladivostok，moreovertheISSRPCRreactionsystemiSoriginatedtheadaptabilityof’KoreanpinetOelevationiSdiscussedandthedifieFenceofgeneticstructurebetweentheKoreanpinewithcoars

3、ebarkandtheindividualswithfinebarkiScompared，1’糖eanalysisresultoftheneedlelength氆eannualbranchlengthandtheweightofthousandseedsis：thedifieFencesofannualbranchlengthandweightofthousandseedsiSnotobviousinthreedifferentpopu

4、lations；onthecontrarythed澄jrenceoftheneedleierlgthiSremarkableinthementionedgroupsthemeanlengthofneedleiStrendtoshorterwiththelatitudeincreasing，thepercentageofneedlelenlgthin10werclass(6—9era)increasesandtheneedlelength

5、inhigherclass(1l16cm)iSOnthecontrarywiththeelevationraising2TheoptimalISSRPCRreactionsystemforKoreanpineisinstitutedinthestudy3，ThemeanPPSvalueof87individualswith15primersiS60。7％。eachprimershas36polymorphicsinaverageThes

6、equenceforgeneticdiversityofthementionedKoreanpinepopulationis：thepopulationinTangwangheconservancydistrictthepopulationinChangbaiMountains、氆epopulationinShengshanforestrycenterofHeiheandthegroupinVladivostoknlegeneticdi

7、versityofKoreanpineincentraldistributionareaiSnotablethaninedgeofdistributionarea4ThepercentageofgeneticdiversitywithinKoreanpinepopulationis7299％inthetotalvalue，ThepercentageofgeneticdiversitybeamongtheKoreanpinepopulat

8、ionsisonly27％，thatmeansthegeneticvariationismainlyoccurredinnerKoreanpiliepopulation5ThegeneticdiversityofKoreanpinewilldecreasewi曲meelevationrisingThegeneticdistanceandgeographicdistanceofthespecieshavetheclearpositiver

9、elation，andthegeneticcontinuityiSobviousandtheelevationfactorsaffecttheisolationofKoreanpinelightlyamongthepopulationsindifferentelevation6拍eISSRanalysisofKoreanpinewi啦co鑫lSeandfinebarkindifferentregionsindicates：thereis

10、nemarkablegeneticdifleFencesinthetwogroupsThebarkdif鳧renceiStheresultofenvironmentalalteration。oritiSnotshowedattheunitedpositionofSSRprimer7Comparingwiththeotherconiferoustree，thegeneticdiversityofKoreanpineisnotable，an

11、dthegeneticdifferentiationamongthennturnlpopulationscausesthediversityThedecreasingofthenaturalKoreanpinepopulationisresultofartificiaIandnaturaldestroyegforestfireandstormAllresultsofthisstudywillprovidethetheoreticalhe