1 Table S2. Details of datasets included in meta-analysis 2 3 Plant species, pollinator mobility, life form and mating system information included in the meta-analysis (nfamilies, 4 total number of families per group; tm, multilocus outcrossing rate; tm-ts, biparental inbreeding estimate; rp, multilocus 5 correlated paternity; ± one standard deviation). Forest or 'best on offer' group Species Pollinator mobility Life form Acacia anfractuosa Non-mobile Shrub 10 Banksia oligantha Mobile Shrub 10 Banksia sphaerocarpa var. caesia Mobile Shrub 11 Calothamnus quadrifidus Mobile Shrub 20 Carapa guianensis Non-mobile Tree 21 Carapa guianensis Non-mobile Tree 20 Carapa procera Non-mobile Tree 33 nfamilies Caryocar brasiliense Mobile Tree 14 Cavanillesia platanifolia Mobile Tree 20 Ceiba ausculifolia Mobile Tree 36 tm 0.89 ± 0.20 1.00 ± 0.20 0.99 ± 0.34 0.70 ± 0.22 0.94 ± 0.12 0.97 ± 0.10 0.85 ± 0.05 1.00 ± 0.00 0.57 ± 0.11 0.96 ± 0.27 tm-ts 0.01 ± 0.20 0.01 ± 0.20 0.04 ± 0.13 0.02 ± 0.09 0.02 ± 0.07 rp 0.15 ± 0.20 0.09 ± 0.20 0.33 ± 0.10 0.27 ± 0.27 0.05 ± 0.06 Fragmented group nfamilies 10 10 10 20 21 20 0.11 ± 0.02 0.21 ± 0.03 14 0.19 ± 0.19 10 11 31 tm 0.85 ± 0.20 0.98 ± 0.20 0.91 ± 0.04 0.54 ± 0.45 0.93 ± 0.15 0.99 ± 0.13 0.63 ± 0.08 1.00 ± 0.00 0.35 ± 0.08 0.97 ± 0.03 tm-ts 0.05 ± 0.20 0.03 ± 0.20 0.04 ± 0.19 0.01 ± 0.13 0.03 ± 0.08 rp 0.06 ± 0.20 0.03 ± 0.20 0.34 ± 0.10 0.08 ± 0.09 0.05 ± 0.06 Reference (Coates et al, 2007) (Coates et al, 2007) (Llorens et al, 2011) (Yates et al, 2007) (Cloutier et al, 2007) (Hall et al, 1994) 0.06 ± 0.02 0.23 ± 0.03 (Doligez and Joly, 1997) 0.17 ± 0.05 (Collevatti et al, 2001) (Murawski and Hamrick, 1992) (Quesada et al, 2004) Ceiba grandiflora Mobile Tree 12 Dinizia excelsa Mobile Tree 14 Dipteryx panamensis Mobile Tree 31 Dryobalanops aromatica Non-mobile Tree 10 Dryobalanops aromatica Non-mobile Tree 10 Embotrium coccineum Mobile Tree 18 Enterolobium cyclocarpum Mobile Tree 20 Eucalyptus benthamii Non-mobile Tree 16 Eucalyptus globulus (Tasmania) Non-mobile Tree 20 Eucalyptus globulus (Victoria) Non-mobile Tree 20 Eucalyptus gracilis Non-mobile Tree 20 Eucalyptus incrassata Mobile Tree 8 Eucalyptus marginata Non-mobile Tree 10 Eucalyptus rameliana Mobile Tree 10 Eucalyptus socialis Non-mobile Tree 16 Grevillea iaspicula Mobile Shrub 10 Hakea carinata Non-mobile Shrub 6 Helicteres brevispira Mobile Shrub 19 Lambertia orbifolia Mobile Shrub 10 Magnolia stellata Non-mobile Tree 20 0.90 ± 0.59 0.90 ± 0.08 0.93 ± 0.15 0.86 ± 0.34 0.92 ± 0.04 0.84 ± 0.34 1.00 ± 0.16 0.68 ± 0.05 0.89 ± 0.09 0.86 ± 0.14 0.98 ± 0.01 0.96 ± 0.07 0.80 ± 0.28 0.93 ± 0.20 0.84 ± 0.04 1.00 ± 0.05 0.12 ± 0.50 0.65 ± 0.05 0.65 ± 0.20 0.74 ± 0.55 18 6 0.03 ± 0.13 31 29 0.08 ± 0.03 0.08 ± 0.88 0.02 ± 0.10 0.17 ± 0.11 0.04 ± 0.06 0.06 ± 0.07 0.11 ± 0.02 0.08 ± 0.04 0.08 ± 0.06 0.05 ± 0.20 0.20 ± 0.03 0.04 ± 0.05 0.11 ± 0.06 0.18 ± 0.38 0.10 ± 0.16 0.43 ± 0.35 0.12 ± 0.09 0.20 ± 0.14 0.06 ± 0.01 0.10 ± 0.03 0.92 ± 0.32 0.11 ± 0.20 0.32 ± 0.10 0.44 ± 0.05 10 2 20 11 20 20 12 16 10 10 13 10 8 0.02 ± 0.02 0.05 ± 0.20 0.04 ± 0.66 22 0.11 ± 0.20 10 10 0.91 ± 0.04 0.86 ± 0.01 0.87 ± 0.18 0.79 ± 0.04 0.77 ± 0.06 0.73 ± 0.27 1.00 ± 0.25 0.50 ± 0.12 0.65 ± 0.21 0.79 ± 0.27 0.74 ± 0.08 0.94 ± 0.03 0.71 ± 0.35 0.51 ± 0.20 0.73 ± 0.09 0.96 ± 0.05 0.09 ± 0.50 0.49 ± 0.04 0.38 ± 0.20 0.62 ± 0.10 (Quesada et al, 2004) (Dick et al, 2003) 0.06 ± 0.15 (Hanson et al, 2008) (Hall et al, 1994) 0.04 ± 0.01 0.00 ± 0.16 0.02 ± 0.10 0.31 ± 0.30 0.06 ± 0.07 0.11 ± 0.09 0.16 ± 0.03 0.19 ± 0.03 0.14 ± 0.13 0.04 ± 0.20 0.23 ± 0.05 0.03 ± 0.05 0.39 ± 0.08 0.07 ± 0.51 0.19 ± 0.30 0.29 ± 0.11 0.06 ± 0.07 0.03 ± 0.05 0.32 ± 0.06 0.16 ± 0.03 0.78 ± 0.28 0.13 ± 0.20 0.13 ± 0.04 0.31 ± 0.05 (Lee, 2000) (Mathiasen et al, 2007) (Rocha and Aguilar, 2001) (Butcher et al, 2005) (Mimura et al, 2009) (Mimura et al, 2009) this study this study (Millar et al, 2000) (Coates et al, 2007) this study (Hoebee and Young, 2001) (Starr and Carthew, 1998) 0.02 ± 0.02 0.03 ± 0.20 0.08 ± 0.12 (Franceschinelli and Bawa, 2000) 0.12 ± 0.20 (Coates et al, 2007) (Hirayama et al, 2007) Magnolia stellata Non-mobile Tree 35 Myrtus communis Non-mobile Shrub 22 Pachira quinata Mobile Tree 15 Platypodium elegans Tree 5 Prunus avium Non-mobile Tree 10 Psychotria tenuinervis Non-mobile Shrub 18 Samanea saman Mobile Tree 20 Senna miltijuga Mobile Tree 22 Shorea curtisii Non-mobile Tree 11 Shorea megistophylla Mobile Tree 8 Sorocea affinis Non-mobile Tree 7 Non-mobile Tree 23 Non-mobile Tree 24 Mobile Tree 30 Swietenia macrophylla (dry provenances) Swietenia macrophylla (mesic provenances) Symphonia globulifera Verticordia fimbrilepis 6 Non-mobile Non-mobile Shrub 10 0.68 ± 0.69 0.34 ± 0.09 0.92 ± 0.17 0.90 ± 0.10 0.50 ± 0.44 0.99 ± 0.01 0.54 ± 0.34 0.96 ± 0.03 0.87 ± 0.16 0.97 ± 0.05 0.99 ± 0.05 0.99 ± 0.04 0.85 ± 0.20 0.73 ± 0.20 0.09 ± 0.27 0.02 ± 0.02 0.33 ± 0.67 0.19 ± 0.42 0.74 ± 0.46 39 10 15 5 0.07 ± 0.13 0.05 ± 0.08 0.14 ± 0.05 0.15 ± 0.24 0.12 ± 0.41 0.31 ± 0.58 24 17 14 22 8 0.28 ± 0.08 0.45 ± 0.09 0.11 ± 0.20 0.14 ± 0.20 0.11 ± 0.60 0.02 ± 0.05 12 12 30 10 0.37 ± 0.05 0.91 ± 0.01 0.84 ± 0.04 0.52 ± 0.02 0.71 ± 0.10 1.00 ± 0.13 0.99 ± 0.10 0.85 ± 0.04 0.74 ± 0.20 0.62 ± 0.20 0.05 ± 0.10 0.11 ± 0.13 0.47 ± 0.33 (Tamaki et al, 2009) (González-Varo et al, 2010) (Fuchs et al, 2003) (Murawski and Hamrick, 1991) 10 5 0.15 ± 0.06 0.15 ± 0.05 0.65 ± 0.09 0.13 ± 0.10 0.78 ± 0.07 0.92 ± 0.10 0.05 ± 0.10 0.11 ± 0.13 0.09 ± 0.05 0.07 ± 0.21 0.03 ± 0.19 0.25 ± 0.72 (Jolivet et al, 2011) (Ramos et al, 2008) (Cascante et al, 2002) (Ribeiro and Lovato, 2004) (Obayashi et al, 2002) (Murawski et al, 1994) (Murawski and Hamrick, 1991) 0.21 ± 0.09 0.31 ± 0.03 0.15 ± 0.03 0.25 ± 0.05 0.06 ± 0.20 0.29 ± 0.20 (Breed et al, 2012) (Breed et al, 2012) (Aldrich and Hamrick, 1998) (Coates et al, 2007) 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 References Aldrich PR, Hamrick JL (1998). Reproductive dominance of pasture trees in a fragmented tropical forest mosaic. Science 281(5373): 103-105. Breed MF, Gardner MG, Ottewell K, Navarro C, Lowe A (2012). Shifts in reproductive assurance strategies and inbreeding costs associated with habitat fragmentation in Central American mahogany Ecol Lett 15(5): 444-452. Butcher PA, Skinner AK, Gardiner CA (2005). Increased inbreeding and interspecies gene flow in remnant populations of the rare Eucalyptus benthamii. Conserv Genet 6: 213-226. Cascante A, Quesada M, Lobo JJ, Fuchs EA (2002). Effects of dry tropical forest fragmentation on the reproductive success and genetic structure of the tree Samanea saman. Conserv Biol 16(1): 137-147. Cloutier D, Kanashiro M, Ciampi AY, Schoen DJ (2007). Impact of selective logging on inbreeding and gene dispersal in an Amazonian tree population of Carapa guianensis Aubl. Mol Ecol 16(4): 797-809. Coates DJ, Sampson JF, Yates CJ (2007). Plant mating systems and assessing population persistence in fragmented landscapes. Aust J Bot 55(3): 239-249. Collevatti RG, Grattapaglia D, Hay JD (2001). High resolution microsatellite based analysis of the mating system allows the detection of significant biparental inbreeding in Caryocar brasiliense, an endangered tropical tree species. Heredity 86(1): 60-67. Dick CW, Etchelecu G, Austerlitz F (2003). Pollen dispersal of tropical trees (Dinizia excelsa: Fabaceae) by native insects and African honeybees in pristine and fragmented Amazonian rainforest. Mol Ecol 12(3): 753-764. Doligez A, Joly H (1997). Mating system of Carapa procera (Meliaceae) in the French Guiana tropical forest. Am J Bot 84(4): 461. Franceschinelli EV, Bawa KS (2000). The effect of ecological factors on the mating system of a South American shrub species (Helicteres brevispira). Heredity 84(1): 116-123. Fuchs E, Lobo J, Quesada M (2003). Effects of forest fragmentation and flowering phenology on the reproductive success and mating patterns of the tropical dry forest tree Pachira quinata. Conserv Biol 17(1): 149-157. González-Varo JP, Albaladejo RG, Aparicio A, Arroyo J (2010). Linking genetic diversity, mating patterns and progeny performance in fragmented populations of a Mediterranean shrub. J Appl Ecol 47(6): 1242-1252. Hall P, Orrell LC, Bawa KS (1994). Genetic diversity and mating system in a tropical tree, Carapa guianensis (Meliaceae). Am J Bot 81(9): 1104-1111. 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 Hanson TR, Brunsfeld SJ, Finegan B, Waits LP (2008). Pollen dispersal and genetic structure of the tropical tree Dipteryx panamensis in a fragmented Costa Rican landscape. Mol Ecol 17(8): 2060-2073. Hirayama K, Ishida K, Setsuko S, Tomaru N (2007). Reduced seed production, inbreeding, and pollen shortage in a small population of a threatened tree, Magnolia stellata. Biol Conserv 136(2): 315-323. Hoebee SE, Young AG (2001). Low neighbourhood size and high interpopulation differentiation in the endangered shrub Grevillea iaspicula McGill (Proteaceae). Heredity 86(4): 489-496. Jolivet C, Höltken AM, Liesebach H, Steiner W, Degen B (2011). Mating patterns and pollen dispersal in four contrasting wild cherry populations (Prunus avium L.). European Journal of Forest Research 131(4): 1-15. Lee SL (2000). Mating system parameters of Dryobalanops aromatica Gaertn. f. (Dipterocarpaceae) in three different forest types and a seed orchard. Heredity 85: 338-345. Llorens TM, Byrne M, Yates CJ, Nistelberger HM, Coates DJ (2011). Evaluating the influence of different aspects of habitat fragmentation on mating patterns and pollen dispersal in the bird-pollinated Banksia sphaerocarpa var. caesia. Mol Ecol 21(2): 314-328. Mathiasen P, Rovere AE, Premoli AC (2007). Genetic structure and early effects of inbreeding in fragmented temperate forests of a self-incompatible tree, Embothrium coccineum. Conserv Biol 21(1): 232-240. Millar MA, Byrne M, Coates DJ, Stukely MJC, McComb JA (2000). Mating system studies in jarrah, Eucalyptus marginata (Myrtaceae). Aust J Bot 48(4): 475-479. Mimura M, Barbour RC, Potts BM, Vaillancourt RE, Watanabe KN (2009). Comparison of contemporary mating patterns in continuous and fragmented Eucalyptus globulus native forests. Mol Ecol 18(20): 4180-4192. Murawski DA, Gunatilleke IAUN, Bawa KS (1994). The effects of selective logging on inbreeding in Shorea megistophylla (Dipterocarpaceae) from Sri Lanka. Conserv Biol 8(4): 997-1002. Murawski DA, Hamrick JL (1991). The effect of the density of flowering individuals on the mating systems of nine tropical tree species. Heredity 67(2): 167-174. Murawski DA, Hamrick JL (1992). The mating system of Cavanillesia platanifolia under extremes of flowering-tree density : a test of predictions. Biotropica 24: 99101. Obayashi K, Tsumura Y, Ihara-Ujino T, Niiyama K, Tanouchi H, Suyama Y et al (2002). Genetic diversity and outcrossing rate between undisturbed and selectively logged forests of Shorea curtisii (Dipterocarpaceae) using microsatellite dna analysis. Int J Plant Sci 163(1): 151-158. 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 Quesada M, Stoner KE, Lobo JA, Herrerias-Diego Y, Palacios-Guevara C, Munguía-Rosas MA et al (2004). Effects of forest fragmentation on pollinator activity and consequences for plant reproductive success and mating patterns in bat-pollinated Bombacaceous trees. Biotropica 36(2): 131-138. Ramos F, Zucchi M, Solferini V, Santos F (2008). Mating systems of Psychotria tenuinervis (Rubiaceae): distance from anthropogenic and natural edges of Atlantic forest fragment. Biochem Genet 46(1): 88-100. Ribeiro RA, Lovato MB (2004). Mating system in a neotropical tree species, Senna multijuga (Fabaceae). Genet Mol Biol 27(3): 418-424. Rocha OJ, Aguilar G (2001). Reproductive biology of the dry forest tree Enterolobium cyclocarpum (guanacaste) in Costa Rica: a comparison between trees left in pastures and trees in continuous forest. Am J Bot 88(9): 1607-1614. Starr GJ, Carthew SM (1998). Genetic differentiation in isolated populations of Hakea carinata (Proteaceae). Aust J Bot 46(6): 671-682. Tamaki I, Ishida K, Setsuko S, Tomaru N (2009). Interpopulation variation in mating system and late-stage inbreeding depression in Magnolia stellata. Mol Ecol 18(11): 2365-2374. Yates CJ, Coates DJ, Elliott C, Byrne M (2007). Composition of the pollinator community, pollination and the mating system for a shrub in fragments of species rich kwongan in south-west Western Australia. Biodivers Conserv 16: 1379-1395.