Index Catalog // ScholarsArchive@OSU

A biogeographical analysis of some relationships between man, land, and wildlife in Belize (British Honduras)

Creator:: Frost, Marvin D.
Abstract:: This thesis research consists of an investigation of the human influences on wildlife in Belize. The study was accomplished by the collection and analysis of data with respect to land use, habitat characteristics, and wildlife status in Belize. Requirements and status of many species are tabulated in order to give...
Resource Type:: Dissertation
Full Text:: , as a result of habitat modification. More game species were reported to be present in parts of the

The evolution of Mexican forest policy and its influence upon forest resources

Creator:: Crocker, Marvin D., 1934-
Abstract:: During the Colonial Period, in Mexico there was no rational forest development policy and, as a result, forest resources were squandered and to a considerable extent destroyed. During the Nineteenth Century, a rational forest policy began to be promoted, but in the end, it was translated into a policy of...
Resource Type:: Dissertation
Full Text:: was enacted in 1960 and in reality is little more than a refining of previous documents, especially

The geomorphic significance of log steps in forest streams of the Oregon Coast Range

Creator:: Marston, Richard A.
Abstract:: A log step develops when large woody debris extends across the active channel, creating a change in the water surface elevation as the stream spills over the log step. By forming a series of vertical falls, log steps reduce the amount of potential energy available for conversion to kinetic energy...
Resource Type:: Dissertation
Full Text:: morphometric erosion factor is used to estimate mean annual sediment yield for each basin. The estimated mean

Watershed and climate influences on flood frequency distributions in the Willamette River basin

Creator:: Tolle, Timothy Victor
Abstract:: Problem areas identified are: The needs a) to develop curve fitting procedures to estimate flood flow distributions; b) to incorporate precipitation data into frequency analysis procedures; and c) to better define flood potentials for ungauged streams. Closely related to the above, it is noted that variables commonly used to estimate...
Resource Type:: Dissertation
Full Text:: distribution. The mean of the logarithms of the annual peak flows describes numerically the position of a

Bayocean Spit, Tillamook, Oregon; early economic development and erosion history

Creator:: Terich, Thomas
Abstract:: Bayocean sand spit lies along the northern Oregon coast approximately 70 miles south of the Columbia River. Work was begun on the construction of a large recreational resort on the spit in the early 1900's. At the outset, the resort appeared to have a promising future. However, a three-year delay...
Resource Type:: Dissertation
Full Text:: transport with a near- zero net annual drift. The shoreline conditions at 13ayocean demon- strate that

Analysis of streamflow variability in Oregon for regional water quality monitoring programs

Creator:: Saligoe-Simmel, Julia L.
Abstract:: Streamflow variability can provide valuable information for nonpoint source pollution monitoring program planning. The research papers presented in this thesis examine selected properties of streamflow variability in Oregon to advance its application in regional planning of water quality monitoring programs. The products of this research depict Oregon streams by their...
Resource Type:: Dissertation
Full Text:: . Spatial and temporal analysis reveal a weak relationship between annual and monthly streamflow

An investigation into modeling snow cover elements at Crater Lake National Park and surrounding environs as an improved "ground truth" method for satellite snow observations

Creator:: Hamilton, William L.
Abstract:: Streamflow forecasts are essential to the optimal operation of hydroelectric and irrigation reservoirs in the Pacific Northwest. Satellite snow cover observations would aid in these streamflow forecasts by providing snow cover data at regular time intervals. Unfortunately, satellite capability to remotely sense mountain snow cover conditions is indeterminate due to...
Resource Type:: Dissertation
Full Text:: snow cover on a monthly and annual basis. 6 7 0 0 1950 51 57 53 5 1955 56 57 50 59 1960 61

Simulating past, present, and future changes in ENSO : a model evaluation and data-model comparison

Creator:: Alder, Jay R.
Abstract:: This thesis presents the results of a formal evaluation of a new AOGCM, GENMOM, demonstrating its ability to simulate present-day climate and ENSO dynamics. The model is applied to simulate climate for the Last Glacial Maximum, deglacial, and Holocene time periods. The model output is evaluated against the best available...
Resource Type:: Dissertation
Full Text:: spatial distributions of annual surface temperature and precipitation and the simulations are on par

Selected factors affecting the pattern of agricultural land conversion in Washington County, Oregon, 1963-1973

Creator:: Furuseth, Owen J., 1949-
Abstract:: In recent years the conversion of agricultural lands to more intensive non-rural land uses has become a focus of increasing public awareness and concern. The growing attention to farmland conversion is manifested in increasing public policies and legilsation to protect agricultural and forestry land uses. Nevertheless, our understanding of the...
Resource Type:: Dissertation
Full Text:: importance. During the 1950-1960's, the major problem in American agriculture was thought to revolve around

Biogeography of nonindigenous species: from description to prediction

Creator:: Reusser, Deborah A.
Abstract:: Nonindigenous species are a major threat to the ecological integrity and biodiversity of marine and estuarine ecosystems. To become a successful invader, species must pass through four phases: (1) survive transport, (2) survive release, (3) establish a population, and (4) expand their range. To better understand these processes, an integrated...
Resource Type:: Dissertation

ScholarsArchive@OSU

A biogeographical analysis of some relationships between man, land, and wildlife in Belize (British Honduras)

The evolution of Mexican forest policy and its influence upon forest resources

The geomorphic significance of log steps in forest streams of the Oregon Coast Range

Watershed and climate influences on flood frequency distributions in the Willamette River basin

Bayocean Spit, Tillamook, Oregon; early economic development and erosion history

Analysis of streamflow variability in Oregon for regional water quality monitoring programs

An investigation into modeling snow cover elements at Crater Lake National Park and surrounding environs as an improved "ground truth" method for satellite snow observations

Simulating past, present, and future changes in ENSO : a model evaluation and data-model comparison

Selected factors affecting the pattern of agricultural land conversion in Washington County, Oregon, 1963-1973

Biogeography of nonindigenous species: from description to prediction

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