ACTA ECOLOGICA SIN ICA

28 12 2008 12 ACTA ECOLOGICA SIN ICA Vol. 28, No. 12 Dec., 2008 1, 2, 1, 3, 3, 1, 4, 1 (1., 100101; 2., 100049; 3., 100085; 4., 100045) : 35 7,, R, R ;,,,,, ;, ; 70%, ;, : ; ; ; R ; : 100020933 (2008) 1226060210 : Q948 : A Quan tita tive rela tion sh ips between surface pollen and spores a ssem blages and vegeta tion in the Southern Subtrop ics of Y unnan Prov ince, Ch ina PAN Tao 1, 2, WU Shao2Hong 1, 3, 3, DA I Er2Fu 1, WANG Hao 4, ZHAO Dong2Sheng 1 1 Institute of Geographic Sciences and N atural Resources Research, Chinese Academ y of Sciences, B eijing 100101, China 2 Graduate University of Chinese Academ y of Sciences, B eijing 100049, China 3 Institute of Tibetan Plateau Research, Chinese Academ y of Sciences, B eijing 100085, China 4 S tandards Press of China, B eijing 100045, China A cta Ecologica S in ica, 2008, 28 (12) : 6060 6069. Abstract: Based on the pollen and spores analysis results of thirty2five surface samp les and vegetation investigation of seven samp ling fields which are distributed latitudinally along the southern subtrop ical zone of Yunnan Province, the percentage and concentration of typ ical pollen and spores types as well as the common R values were calculated, and the factors influencing R values were analyzed. Meanwhile the coefficients of sim ilarity between p lant communities and samp le fields were studied. Results show that the p roduction of pollen and spores are rich with relatively high p roduction of fern spores in southern subtrop ics of Yunnan, which has typ ical subtrop ical characteristics and distinct vertical differentiations. surface woody and herbage pollen can basically rep resent the p lant components of the region, while the fern spores are super2rep resentative. The coefficients of sim ilarity between p lant communities and samp le fields are mostly over 70%, which shows that the surface assemblages can reflect the p lant community features. The The conclusion believes that there s a good corresponding relationship between surface pollen and spores and local vegetation, which has great significance for : (2003CB415101) : 2007208227; : 2008206217 : (1984 ),,,,. E2mail: pant. 06b@ igsnrr. ac. cn 3 Corresponding author. E2mail: wush@ igsnrr. ac. cn Founda tion item : The p roject was financially supported by National Basic Research Program of China (No. 2003CB415101) Rece ived date: 2007208227; Accepted da te: 2008206217 B iography: PAN Tao, Ph. D. candidate, mainly engaged in land surface pattern and global change. E2mail: pant. 06b@ igsnrr. ac. cn http: / /www. ecolog ica. cn

12 : 6061 restoring past vegetation and reconstructing paleoclimate quantitatively using fossil pollen and spores data of the region. Key W ords: subtrop ics of Yunnan; pollen and spores assemblages; vegetation; R value; coefficient of sim ilarity, 2 2 [ 1 ],,, [ 2 ], [ 3 ],, [ 4 ],,, [ 5 ] 20 80, [ 6 ] Davies Fall [ 7 ] 2 2, [ 8 ] 2 [ 9 ] 2 2 [ 7, 10 ] [ 11 ] [ 12 ] [ 13 ] [ 14 ], [ 8, 10, 15 ] [ 16 18 ] [ 19 ] [ 20 ] [ 21 ] [ 22, 23 ], [ 24 ],,,, 1, 98 40 53 106 11 33 E 22 26 34 24 27 35 N, 7 ( 1),, [ 25 ],,, 16 19, 10 300d ; > 10, 10 12 ; 22 24, 18 170d, 1000mm, 1000 1500mm,,, [ 26 ] :, 500m, (L annea) (A ristida) (B om bax) (D iphylla) (A cacia) ( Panicum ) (D iospyros) ( Euphovbia) (Grew ia) ( Im pera ta), 1100 1500m, 500 1000m, ( Fagaceae) (Castanopsis) (L ithocarpus) ( Theaceae) (S ch im a), (Castanopsis indica) (L ithocarpus truncatus) (S ch im a w allichii), 1500 2500m,, (Castanopsis delavayi) (Cyclobalanopsis glaucoides

6062 28 S chotky) (Q uercus rubra) (L ithoca rpus dealbatus) (M agnolia delavayi), 1 2 2 3, 1600 2600m,, ( Fagaceae) (Lauraceae) ( Theaceae) (Magnoliaceae) (Hamameli2 daceae), 2600m,, (A bies) ( P icea) ( Tsuga) (L arix) ( P inus) Fig. 1 1 D istribution of samp les in study area 2 2. 1, 600km, 200km, 7,, 1500 3000m, 1, 5, 35, 20m 20m ( ) [ 10 ],,, 2. 2, [ 27 ] : 6 15g, 10% 15%,,, 40, 12h 4, 40%,, 7 m 3m in,,,,, 7

12 : 6063 10642, 304,, 540 /, 229 /, 89, 2 2. 3, 7,,,,,,,, : P 1 = Q 1 X 1 100% (1), P 1 ( % ), Q 1 ( ), X 1 ( ) ( ) P 2 = Q 2 X 2 100% (2), P 2 ( % ), Q 2 ( ), X 2 ( ) ( ), : C = L 1 L f Q M 0 (3), C ( /g), L t ( ), L f ( ), Q ( ),M 0 ( g) 2. 4 R R [ 4 ], R : R = P /V (4), P ( % ) ; V ( % ) R > 1, R < 1, R = 1 2. 5 (Coefficient of Sim ilarity, CS), : Fig. 2 2 Surface pollen and spores diagram in southern subtrop ics of Yunnan

6064 28 CS = 2A X (A X + P X ) + (A X +V X ), A x ( ) ; P x ( ) ; V x ( ) 3 3. 1, 35 1, 7 4 : (1) 46, 29 14 7, 75%, (5) 1 Table 1 M a in Surface pollen and spores taxa percen tage of Southern Subtrop ics from Y unan ( % ) Spore2pollen taxa S1 S2 S3 S4 S5 S6 S7 Woody P inus 6. 23 1. 23 23. 94 11. 89 3. 50 3. 53 6. 21 Tsuga 0. 09 6. 89 5. 45 0. 07 A lnus 5. 87 2. 12 15. 38 10. 23 9. 96 5. 74 9. 53 Carpinus 1. 28 3. 07 1. 75 0. 37 0. 32 7. 29 1. 33 Fagus 3. 67 0. 14 0. 08 0. 09 0. 21 Q uercus 26. 40 55. 73 4. 15 4. 79 8. 90 7. 07 19. 89 Castanopsis 17. 87 28. 26 16. 41 12. 18 0. 15 11. 09 Hamamelidaceae 2. 47 1. 30 0. 58 2. 67 5. 19 13. 92 0. 89 Chionanthus 1. 47 2. 16 12. 53 5. 08 4. 42 6. 58 M yrica 1. 56 4. 37 0. 50 2. 40 0. 64 1. 03 1. 55 Elaeocarpaceae 2. 02 4. 64 1. 66 0. 65 1. 17 0. 44 4. 36 Ericaceae 0. 37 7. 31 0. 33 1. 20 2. 12 3. 39 0. 37 Theaceae 2. 38 1. 08 L lex 0. 64 0. 61 0. 42 0. 28 3. 81 8. 84 1. 63 Herb A rtem isia 4. 40 2. 73 1. 33 1. 66 2. 86 3. 17 2. 14 Gram ineae 1. 37 0. 14 0. 33 0. 83 4. 45 5. 52 1. 26 A raliaceae 2. 29 0. 07 1. 00 2. 58 5. 72 8. 10 1. 18 Rubiaceae 1. 65 0. 08 0. 83 1. 91 0. 81 1. 33 Fern Cyatheaceae 2. 88 8. 21 1. 27 2. 65 9. 55 11. 22 Cibotium 6. 31 5. 13 0. 36 0. 44 1. 92 Davalliaceae 1. 26 25. 13 44. 23 11. 39 15. 93 9. 55 14. 42 D icranopteris 57. 84 31. 28 0. 96 0. 36 2. 21 3. 02 1. 60 Lepisorus 1. 08 2. 56 3. 85 2. 51 9. 29 A thyrium 0. 72 0. 64 Selaginella 0. 18 11. 54 Lycopodium 0. 36 2. 56 3. 52 0. 64 O nychium 25. 63 0. 32 Thelyp teridaceae 0. 18 Dennstaedtiaceae 5. 77 8. 65 (2) ( Fagaceae ) (Hamamelidaceae) ( Theaceae) (Magnoliaceae),, ( Elaeocarpaceae) (L lex) ( Ericaceae)

12 : 6065 (A raliaceae),, (3) 7 1500m 3000m,,,,, ( Fagaceae) ( Theaceae) (Lauraceae) (Magnoliaceae),, ( Ericaceae) ( Pinaceae), ( Fagaceae) ( Theaceae) (M agnolia),,,, ( Castanopsis) ( Hamamelidaceae ) ( Theaceae) (M agnolia), (Q uercus) ( Elaeocarpaceae) ( Ericaceae), (M yrica) (L ithocarpus), ( Tsuga) ( P icea), (Castanopsis) (Q uercus) (Hamamelidaceae) ( Tsuga), (4) 7,,,, (Cyatheaceae) (C ibotium ) (Davalliaceae) (D icranopteris) (L episorus) (A thyri2 um ) (S elaginella) (L ycopodium ) (O nychium ) ( Thelyp teridaceae) (Dennstaedtiaceae) 3. 2,,,,,,, Davis [ 28 ],,,, ( 3),,, 5, 99 48 43. 2 E, 23 42 07. 0 N, 2624m,,,,,,,,,,, 3. 3 R, R 1, ; R 1,, R,,, R, R, R 21, R 21 0

6066 28,, 2 Pollen and spores taxa 2 R21 Table 2 The R21 va lue of typ ica l surface pollen and spores taxa in southern subtrop ics of Y unnan Evergreen broad2leaved forest R R - 1 value of typ ical p lants communities Quercus forest Montane moist broad2leaved forest Pinus Yunnanens Abies fabri forest R Mean R 21value P inus 1. 13 1. 47 0. 92-0. 07-0. 03 0. 68 Tsuga 0. 17 0. 78 0. 48 A lnus 0. 21 0. 34 0. 07 0. 01 0. 18 0. 16 Carpinus - 0. 13-0. 08-0. 21-0. 34-0. 19 Fagus 0. 42 0. 28 0. 35 Q uercus - 0. 24-0. 13-0. 37-0. 25 Castanopsis 0. 18 0. 24-0. 08 0. 11 Hamamelidaceae 0. 56 0. 25 0. 41 Chionanthus 0. 27 0. 19 0. 38 0. 28 Myrica - 0. 55-0. 33-0. 61-0. 49 Elaeocarpaceae - 0. 11-0. 35-0. 26-0. 24 Ericaceae - 0. 09-0. 14-0. 12-0. 24-0. 11-0. 14 Theaceae - 0. 61-0. 55-0. 58 L lex - 0. 23-0. 29-0. 32-0. 33-0. 29 A rtem isia 0. 35 0. 66 0. 44 0. 86 0. 58 Gram ineae - 0. 32-0. 25-0. 28-0. 31-0. 29 A raliaceae - 0. 17-0. 22-0. 33-0. 37-0. 27 Rubiaceae 0. 12 0. 25 0. 36 0. 09 0. 21 Cyathea 4. 78 4. 36 5. 13 6. 81 5. 27 A thyrium 15. 01 7. 34 11. 18 Selaginella 20. 84 18. 37 19. 61 Lycopodium 11. 35 11. 35 B lank area means that there isn t corresponding taxon in the p lants community or surface soil pollen and spores investigation 2, R (A lnus) ( Ca rpinus) ( Fagus) (Castanopsis) (Chionanathus), R, 1. 20, (Myrica) ( Elaeocarpaceae) ( Ericaceae) ( Theaceae) (L lex),,, R 0. 9 3 R (A rtem isia), R 1. 58, (Rubiaceae), R 1. 2, ( Gram ineae) (A raliaceae), R 0. 71 0. 73,,, R, (Cya thea) R 6. 27, 12. 18, (L ycopodium ) 12. 35, 20. 61,, ( P teris) (A rth rom eria) (D icranopteris) (C ibotium ), [ 22 24 ],, R, R,, R

12 : 6067 3 Fig. 3 Comparison of surface pollen and spores percentage and concentration in southern subtrop ics from Yunnan, R R R,, R,, R 1;, R 1 [ 19 ], R 0. 87 1. 18, 0192 1. 24, 0. 79 0. 92,,, 3. 4 ( coefficient of sim ilarity, CS), (4) 4 4 4 Fig. 4 Coefficients of Sim ilarity between surface pollen and spores assemblages and p lants communities, 6 70%, 4 35,

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