01822naa a2200349 a 450000100080000000500110000800800410001910000150006024500870007526000090016252009650017165000160113665000140115265000110116665000090117765000160118665000160120265000130121865000140123165000180124565000210126365000090128465300160129365300150130965300120132465300170133665300220135365300100137570000180138570000190140377300500142216110801995-06-27       1987    bl ---       0--  u    #d1 aDAY, L. D.  aInteractions among vesicular-arbuscular mycorrhizae, soil, and landscape position.  c1987  aThe interrelationships among mycorrhizae, soil and landscape position were investigated for a bahiagrass pasture (Paspalum notatum Flugge) in northern Florida. A significant effect of landscape position was found for spore number, root colonization, root lenght, the ratio of Acaulospora and Glomus to Gigaspora spores, and number of spores per centimeter of colonized root. Root colonization and propagule numbers were least in the most crosive positions (shulder and backstope) of the landscape. This impklied that the population density of vesicular-arbuscular myccorrhizae (VAM) fungi may be reduced by soil erosion even if erosion in not severe enough to affect plant cover. The pattern of soil across the landscape influenced the distribution of general of VAM fungi: soils in footstope positions had sandier surface textures as a consequence of erosional/depositional processes and favored higher populations of Gigaspora than of Acaulospora and Glomus.  aAcaulospora  aGigaspora  aGlomus  asoil  asporulation  aBioquímica  aEcologia  aMicorriza  aMicrobiologia  aPaspalum Notatum  aSolo  aAcaulaspora  aDeposition  aErosion  aMICORRIZA/VA  aRoot colonization  aSlope1 aSYLVIA, D. M.1 aCOLLINS, M. E.  tSoil Sci. Soc. Am. J.gv.51, p.635-639, 1987.