Search for dissertations about: "Per-Göran Tapper"
Found 1 swedish dissertation containing the words Per-Göran Tapper.
1. On ash : a 12-year population ecological study of Fraxinus excelsior L., with special reference to some of its inter-specific interactions, in the deciduous woodland of the outer archipelago of StockholmUniversity dissertation from Stockholm : Stockholm University
Abstract : Fruiting in ash was irregular over the years. Years with abundant fruit production occurred as well as more or less barren years. The resource status of the trees had no decisive influence. READ MORE