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Filtering by: Subject Clearcutting -- Environmental aspects

Deposition and persistence of polynuclear aromatic hydrocarbons after slash burning clear-cut sites in Oregon

Creator:

Sullivan, Timothy Joseph

Abstract:

Research has been completed which identifies qualitatively and quantitatively the deposition, persistence and fate of polynuclear aromatic hydrocarbons (PNAH) on burned clear-cut sites in Oregon. Eight PNAH were identified and quantified in post-burn litter samples taken from four slash-burned sites. Deposition of lower molecular weight, 3-4 ring compounds was considerably...

Resource Type:

Dissertation
Edge effects of clearcut harvesting on ground arthropod species composition and predator community structure in old-growth Douglas-fir forests

Creator:

Work, Timothy Theron

Abstract:

Edge effects resulting from forest fragmentation are likely to alter the distributions and interactions of resident species. I evaluated changes in species composition, species turnover, and relative abundance of ground arthropods across replicated transects extending from regenerating clearcuts into old-growth Douglas-fir forests. Arthropods were collected from 3-August to 14-September in...

Resource Type:

Dissertation
Diurnal bird use of snags on clearcuts in central coastal Oregon

Creator:

Schreiber, Barry

Abstract:

The effect of snag retention on clearcuts on breeding bird populations was evaluated in the Douglas-fir (Pseudotsuga menziesii) dominated forest in central coastal Oregon. Diurnal bird species on 14 clearcut sites (< 4 years old) were censused during two breeding seasons. On clearcuts containing high numbers of snags, cavity-nesting birds...

Resource Type:

Masters Thesis