Esponenti endofitici, epifitici e fitosaprobi del Lago Trasimeno: Facies autunnale

摘要: Summary The progressive developement of hydrophytie colonies has increased the importance phytopbil communities existing in Lake Trasimeno and transformed whole lake into a single, extended, homogeneous, litoral region. Observations carried out month October on single species water plants have brought to light series phytophil animals, analysis wich aims establish their exact relationship with substratum. present work stresses particular representatives zoological world neglecting those algal, will be dedicated further note. communities, from specimens taken at stated distances, shows certain wealth composition, but same time notable monotony distribution. types founded (Protozoa, Rotifera, Nematoda, Crustacea, Hydrachnida. Insecta, Mollusca) are more evidence epiphylon periphyton, there exist also number endophytic forms especially Potamo...