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Filtering by: Subject Soil heating -- Environmental aspects Academic Affiliation Fisheries and Wildlife Language English [eng]

Impacts of forest-to-agriculture conversion on aboveground and soil carbon and nitrogen stocks along a bioclimatic gradient in Costa Rica

Creator:

Jobse, Judith C.

Abstract:

Tropical forest-to-agriculture conversions contribute to ~20% of contemporary global C emissions. Current global C flux estimates assume C is lost from vegetation and soils over time due to this conversion, and that C stocks in agricultural lands are fairly uniform across the tropics. Global C stock and flux estimates may...

Resource Type:

Dissertation

Full Text:

Soil Carbon and Nitrogen Stocks along a Bioclimatic Gradient in Costa Rica. Abstract approved
The effects of natural fire and recreational disturbance on montane forest ecosystem composition, structure and nitrogen dynamics, Crater Lake National Park, Oregon

Creator:

Wilson, John K. (John Kevin)

Abstract:

Disturbance, whether natural or of human origin, modifies to varying degrees many ecosystem attributes. Fire is a natural process in the montane forests of southern Oregon but for much of the 20th century fire was viewed as an apocalypse and thus fervently suppressed. Effective natural resource management requires an understanding...

Resource Type:

Dissertation

Full Text:

and soil recovery in wilderness campsites closed to visitor use. Environmental Management 10(3):375
Impacts of agricultural drainwater and contaminants on wetlands at Kesterson Reservoir, California

Creator:

Schuler, Carol Ann, 1946-

Abstract:

Kesterson Reservoir (Kesterson) received subsurface agricultural drainwater containing high levels of salts and other minerals from farmland in the San Joaquin Valley of California. Aquatic plants and invertebrates were sampled at Kesterson in May, August, and December of 1984. The reservoir supported a different biota and lower species diversity than...

Resource Type:

Masters Thesis

Full Text:

produce a 0.1 m2 plot. In this way plants, seeds, and invertebrates in the water column and on the soil

ScholarsArchive@OSU

Impacts of forest-to-agriculture conversion on aboveground and soil carbon and nitrogen stocks along a bioclimatic gradient in Costa Rica

The effects of natural fire and recreational disturbance on montane forest ecosystem composition, structure and nitrogen dynamics, Crater Lake National Park, Oregon

Impacts of agricultural drainwater and contaminants on wetlands at Kesterson Reservoir, California

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