The Impact of European Settlement on Oak Woodlands and Fire: Pollen and Charcoal Evidence from the Transverse Ranges, CaliforniaUniversity of California, Berkeley, 1993 - 432 Seiten |
Inhalt
Location map of study sites | 2 |
Santa Barbara Basin location | 3 |
Reconstruction of recent changes in oak woodlands | 4 |
Urheberrecht | |
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Häufige Begriffe und Wortgruppen
abundance Artemisia average Baja California Berkeley blue oak blue oak seedling Byrne California grassland California oaks Canyon chaparral charcoal accumulation rate Charcoal Charcoal Charcoal charcoal influx charcoal record charcoal/pollen ratio chronology cm depth coast live oak coastal sage scrub Compositae core section correlation Cruciferae Cyperaceae decline density Ecology Erodium cicutarium Erodium pollen Eucalyptus European impacts Figure fire frequency fire history fire suppression grass grassland grazing identified increase lack of regeneration laminations large charcoal livestock meters mm²/cm²/year oak pollen oak woodlands OOOOOO peaks percent percentage pine Pinus Platanus pollen accumulation rate pollen analysis pollen counts cont'd pollen record pollen type pre-European period principal component Quercus douglasii radiocarbon dates recruitment Rhamnaceae riparian Roger Byrne Salix sample Santa Barbara Basin Santa Barbara County sedimentation rate sediments small charcoal spore suggests surface taxa total pollen trees University of California valley oak varved vegetation change willows