Biological diversity 1 Botanical survey 1 Climatic changes-Environmental aspects 1 Eco-botanical survey 1 Epiphytes 1 Foliar litter decomposition 1 Forest ecology 1 Forestry 1 Grassland 1 Modeling develops to estimate leaf area and leaf biomass 1 Soil survey 1 Using the contingent grouping method to value forest attributes 1 Vegetation response to climate change-usambara mountains 1 Vulnerability of trees to climate events in temperate forests of West Germany 1 tropical mangroove forests 1