00827naa a2200217 a 450000100080000000500110000800800410001910000200006024500640008026000090014452002710015365300160042465300140044065300200045465300200047465300150049465300130050965300120052265300110053477300640054517871471996-02-07       1971    bl ---       0--  u    #d1 aWILLIAMS, W. T.  aStrategy and tactics in the acquisition of ecological data.  c1971  aThe sampling unit; Disposition in space; Points, lines and areas; Quadrats and transects; Compound and variables quadrats; Number of sampling units; The attributes; Floristic data; Scale of project; Scale of sample; Sensitivity of numerical model; Environmental data  aAcquisition  aAquisicao  aDado ecologicoa  aEcological data  aEstrategia  aStrategy  aTactics  aTatica  tProceedings Ecology Society Australiangv.6, p.57-62, 1971.