02609naa a2200625 a 450000100080000000500110000800800410001902200140006002400330007410000210010724501180012826000090024652009510025565000190120665000180122565300190124365300200126265300250128265300230130770000230133070000220135370000230137570000180139870000190141670000150143570000130145070000140146370000150147770000110149270000180150370000160152170000280153770000200156570000160158570000220160170000160162370000220163970000130166170000150167470000150168970000280170470000200173270000160175270000200176870000200178870000140180870000170182270000150183970000190185470000170187370000170189070000150190770000130192277300480193520351042016-04-05       2016    bl uuuu     u00u1 u    #d  a1095-92037 a10.1126/science.aac72872DOI1 aGARIBALDI, L. A.  aMutually beneficial pollinator diversity and crop yield outcomes in small and large farms.h[electronic resource]  c2016  aEcological intensification, or the improvement of crop yield through enhancement of biodiversity, may be a sustainable pathway toward greater food supplies. Such sustainable increases may be especially important for the 2 billion people reliant on small farms, many of which are undernourished, yet we know little about the efficacy of this approach. Using a coordinated protocol across regions and crops, we quantify to what degree enhancing pollinator density and richness can improve yields on 344 fields from 33 pollinator-dependent crop systems in small and large farms from Africa, Asia, and Latin America. For fields less than 2 hectares, we found that yield gaps could be closed by a median of 24% through higher flower-visitor density. For larger fields, such benefits only occurred at high flower-visitor richness. Worldwide, our study demonstrates that ecological intensification can create synchronous biodiversity and yield outcomes.  aBiodiversidade  aPolinização  aGrande fazenda  aPequena fazenda  aPollinator diversity  aVisitantes florais1 aCARVALHEIRO, L. G.1 aVAISSIÈRE, B. E.1 aGEMMILL-HERREN, B.1 aHIPÓLITO, J.1 aFREITAS, B. M.1 aNGO, H. T.1 aAZZU, N.1 aSÁEZ, A.1 aASTROM, J.1 aAN, J.1 aBLOCHTEIN, B.1 aBUCHORI, D.1 aCHAMORRO GARCÍA, F. J.1 aSILVA, F. O. da1 aDEVKOTA, K.1 aRIBEIRO, M. de F.1 aFREITAS, L.1 aGAGLIANONE, M. C.1 aGOSS, M.1 aIRSHAD, M.1 aKASINA, M.1 aPACHECO FILHO, A. J. S.1 aKIILL, L. H. P.1 aKWAPONG, P.1 aNATES PARRA, G.1 aPIRES, C. S. S.1 aPIRES, V.1 aRAWAL, R. S.1 aRIZALI, A.1 aSARAIVA, A. M.1 aVELDTMAN, R.1 aVIANA, B. F.1 aWITTER, S.1 aZHAN, H.  tSciencegv. 351, n. 6271, p. 388-391, 2016.