Presence and significance of naturally occurring chemical elements of the periodic system in the plant organism and consequences for future investigations on inorganic environmental chemistry in ecosystems B. Markert OriginalPaper Pages: 1 - 30
Microenvironmental variability and species diversity in treefall gaps in a sub-tropical broadleaved forest S. K. BarikH. N. PandeyP. Rao OriginalPaper Pages: 31 - 40
Competitive ability of the bunchgrass Schizachyrium scoparium as affected by grazing history and defoliation D. D. BriskeV. J. Anderson OriginalPaper Pages: 41 - 49
Identification and study of growth and nitrogenase activity of nitrogen fixing cyanobacteria from tropical soil J. JeanfilsJ. P. Tack OriginalPaper Pages: 59 - 66
Disparate distribution patterns between canopy and subcanopy life-forms in two temperate North American forests R. D. Rheinhardt OriginalPaper Pages: 67 - 77
Plant communities of the rocky outcrops of the northern Orange Free State, South Africa E. R. FulsG. J. BredenkampN. van Rooyen OriginalPaper Pages: 79 - 92