Charcoal ; Climatic variation ; Forest ; Forest fire ; Oregon ; Palaeo-ecology ; Palaeo-environment ; Palynology ; Postglacial ; Quaternary ; United States of America ; Vegetation dynamics
the sensitivity of the Siskiyou forests to known climate variations during the late-glacial and Holocene periods and to identify the timing of establishment of the present-day forests; to compare the Bolan Lake results with other paleoecological records