VERTICAL DISTRIBUTION OF CHAETOGNATHS IN THE EAST CHINA SEA IN SUMMER OF 1978 STUDIES ON DYNAMICS AND REGULATION OF PROPAGATIVE MODULE OF PLEIOBLASTUS MACULATA CLONE POPULATION Structure of the clone populations of Leymus chinensis under different utilization conditions in the Xiliao River Plains Fitness analysis of seed- and vegetative reproduction of clonal tree Symplocos laurina Growth and development patterns of clone population of Neosinocalamus affinis The Bioma ss Structure and the Pa ttern of Subterranean Stem Growth ofCh im onobam busa angustifolia f. reple tea Clone Popula tion Studies on the Structure and Dynamics of Biomass of Qiongzhuea tumidinoda Clone Population Studies on the Features of Energy Value and the Factors of Affecting Measuring Energy Value of Neosinocalamus affinis Clone Population Clonal growth pattern of Pleioblastus maculata clone population Age-structure dynamics and genetic consequences of Hippophea rhamnoides Lsubsp sinensis clone population in Mu Su sandland