4 : 71 χ 2 [5] [6] [7-8] (Compositae) (Gra- mineae) (Convolvulaceae) (Chenopodi- aceae) [9] [10] [11] (Tamarixchinensis) (Ziz- [12] [13] iphusjujuba)

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1 BuletinofSoiland WaterConservation Vol.34No.4 Aug ( ; ) : χ2 Spearman χ ; Spearman χ2 Spearman (279 ) (780) 35.77% 40 3 : ; ; ; :A : X(2014) DOI: /j.cnki.stbctb :Q948 NumericalAnalysisofPlantsInterspecificRelationshipsinQilihaiWetland LILan-lan 1 XU Nuo 1 MO Xun-qiang 2 LIHong-yuan 1 (1.Colegeof EnvironmentalScienceand EngineeringNankai UniversityTianjin300071China; 2.Colegeof Urbanand EnvironmentalScienceTianjin Normal UniversityTianjin300387China) Abstract:Basedonthedataresourcesinvestigatedfromthefieldtheinterspecificrelationshipsamong780 speciespairswhichbelongto40dominantplantspeciesofqilihaiwetlandvegetationwereanalyzedbyusing methodsofχ 2 -testandspearman srankcorrelationanalysis.theresultsshowedthat:(1)analyzedbyχ 2 - testtherewerepositivecorrelationfor357pair-speciesandnegativecorrelationfor423pair-species.(2)by applyingspearman srankcorrelationanalysistherewerepositivecorrelationsfor356pair-speciesandnega- tivecorrelationsfor424pair-speciesanalyzedby.itclearlydemonstratedthatthe2testmethodsderived pendentlydistributedandhadalooserelationshipwitheachother.thisfurtherindicatedthatthevegetation mightbeinastateofdegradation.the40dominantspeciesweredividedinto3ecologicalspeciesgroups. similarresults.comparedwithχ 2 -testspearman scorrelationcoeficientwasmoresensitive.thepropor- tionofsignificantcorrelatedspeciespairwas35.77%whichindicatedthatmostofthespecieswereinde- Speciesinthesameecologicalspeciesgrouphadthesamewayofresourcesutilizationandbiologyrequire- ment.howeverweobservedthatspeciesbelongingtodiferentgroupshadthetrendofsuccessionand transformintoeachother. Keywords:Qilihaiwetland;plantcommunity;interspecificassociation;ecologicalspeciesgroup [1-2] [4] ; : : : ( ); (11JCZDJC24500) : (1989 )( ) xiangtianju2013@ 163.com : (1963 )( ) eialee@ nankai.edu.cn [3]

2 4 : 71 χ 2 [5] [6] [7-8] (Compositae) (Gra- mineae) (Convolvulaceae) (Chenopodi- aceae) [9] [10] [11] (Tamarixchinensis) (Ziz- [12] [13] iphusjujuba) (Lespedeza davuri- [14] ca) (Lycium chinense)4 [15] 样地调查 [16] [17] [18] [19-20] m 1 m >5%40 (1) 种间联结性 χ ( N E) 130km 40km 15km abcd 5 χ 2 Yates : X 2 = N ( ad-bc -0.5N) 2 (a+b)(b+d)(a+b)(c+d) 3 :N ;a hm 2 2m 4800hm hm 2 2/10000 ad<bc 2~2.4 m [17] ( ) ad>bc ad=bc X 2 < X (1) X (1)=3.841 ;X (1)<X 2 <X (1) ;X 2 >X (1) X (1)= Spearman 秩相关分析 500~600mm 80% Spearman Spearman ; ;b B A ; c A B ;d SPSS17.0

3 (Humulusscandens) (Xanthium strumarium) 35 2 (Polygonum aviculare) (Bidenspilosa) 8 3 (Portulacaoleracea) (Artemisiacapilaris 9 4 (Kochiascoparia) (Artemisiascoparia) 17 5 (Suaeda glauca) (Cirsium setosum) 16 6 (Chenopodium urbicum) 8 26 (Ixerispolycephala) 15 7 (Chenopodium album) (Eclipta prostrata) 30 8 (Amaranthuspaniculatus) (Hemisteptalyrata) 10 9 (Lepidium apetalum) (Mulgedium tataricum) (Glycinesoja) (Echinochloacrusgali) 9 11 (Acalyphaaustralis) (Echinochloacrusgali) (Rubiacordifolia) (Echinochloacaudata) 9 13 (Hibiscustrionum) (Eleusineindica) (Abutilontheophrasti) (Setariaviridis) (Cynanchum chinense) (Setaria pumila) 8 16 (Calystegiahederacea) (Chlorisvirgata) (Pharbitisnil) (Phragmitesaustralis) (Pharbitispurpurea) (Digitariasanguinalis) (Leonurusjaponicus) (Panicum miliaceum) 7 20 (Solanum nigrum) (Sonchus wightianus) 23 : =( + + )/3 =( / ) 100% =( / ) 100% Spearman : [1] N 6 d 2 k k=1 r(ij)=1- N 3 -N :r(ij) Spearman ;N χ2 15 ;d k=x ik-x jk x ik x jk i j 15 37( ) k ( ) 4 7( )5 7( ) χ % 31 38( ) %; 0.84 χ 2 ( ) 70cm 8.46% 5.77% 15 30; 2.69% %40

4 4 : 73 ) ( ; ; 27 34( ) χ2 Spearman χ 2 Spearman 2.2 χ2 01 χ2 Spearman SPSS 17.0 Spearman (2) Spearman (2) 356 Spearman χ % % 35.77% ( ) Spearman ( ) χ 2 Spearman χ2 Spearman 27.31% Spearman 2 χ 2 Spearman χ 2 χ Spearman puscompactus) (Polygonum hydropiper) (Lemna minor) 中生植物种组 ; 旱生植物种组 χ 2 Spearman 湿生植物种组 χ 2 Spearman >5% (Typhaorientalis) (Schoenoplectustabernaemontani) (Scir-

5 :(1) ;(2) 3.1 ;(3) χ 2 Spearman 40 [923] 780 Pear- son χ ; 40 Spearman 3 [9] :(1) [21] ;(2) ;(3) ;(4) ;(5) ; (6) 5 [22] ( ) (279 ) (780) 35.77% 0.84; χ2 (5.77%) (2.69%)40

6 4 : 75 [ ] [1]. [M]. : [12] [2] GreigSP.QuantitativePlantEcology [M].Oxford: BlackwelScientificPublications1983. [3]. [J] [J] (1):1-7. [4] MooreP DChapmanSB.Methodsinplantecology [M].2nd.London:BlackwelScientific Publications [5] DiceLR.Measureoftheamountofecologicalassocia- tionbetweenspecies[j].ecology194526(3): [6] SchluterD.Avariancetestfordetectingspeciesassocia- tion with some example applications[j]. Ecology (3): shipsof Astragalusspeciesin Egyptassessed bythe morphoanatomicalcharacters ofthe pod[j].feddes Repertorium (1/2): [8] MysterR WPicketST A.Dynamicsofassociations [7] Mourad M MSharawyS W.Theinterspecificrelation- betweenplantsintenoldfieldsduring31yearsofsuc- cession[j].journalofecology199280(2): [9]. [21]. [J] (5): [10]. [J] (4): [J] (4): [11]. [J] (6): [J] (3): [J] (1):1-5. [13]. (12): [14]. [J] (6): [15]. [J] (10): [16]. [J] (2): [17]. [J] (5): [18]. [J] (21): [19]. [J] (3): [20]. [J]. 2012(6): [J] (3): [22] [23] 櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍櫍 ( 上接第 69 页 ) [15]. [19]. [J] (3): [16] (4): [J] [21]. 3 (3): [J]. [17]. : (10): [J] (4): (5): [18]. [J] (6): [J] [J] (3): [20] [J]. [22].

A. B. C. D. 2. A. B. C. D. 3. A. 4 N B. 18 N C. 40 N D N 1

1 1 3 5 5 8 9 9 11 13 14 16 17 17 19 21 23 25 26 26 29 31 32 32 33 34 35 37 38 1 1. 2. 3. 1. 2. 3. 4. 5. 1 2 3 1. A. B. C. D. 2. A. B. C. D. 3. A. 4 N B. 18 N C. 40 N D. 23. 5 N 1 1 2 3 1. A. B. C. D.